diff --git a/bin/shaderbin/shader_gen.h b/bin/shaderbin/shader_gen.h
deleted file mode 100644
index 2f8ceca..0000000
--- a/bin/shaderbin/shader_gen.h
+++ /dev/null
@@ -1,269 +0,0 @@
-#pragma once
-/*
-    #version:1# (machine generated, don't edit!)
-
-    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
-
-    Cmdline:
-        sokol-shdc -i ./projects/examples/samples/offscreen-sapp.glsl -o F:\dev\luajit\repos\sokol-luajit\bin\shaderbin\shader_gen.h -l glsl410 -f sokol
-
-    Overview:
-    =========
-    Shader program: 'default':
-        Get shader desc: default_shader_desc(sg_query_backend());
-        Vertex Shader: vs_default
-        Fragment Shader: fs_default
-        Attributes:
-            ATTR_default_position => 0
-            ATTR_default_normal => 1
-            ATTR_default_texcoord0 => 2
-    Shader program: 'offscreen':
-        Get shader desc: offscreen_shader_desc(sg_query_backend());
-        Vertex Shader: vs_offscreen
-        Fragment Shader: fs_offscreen
-        Attributes:
-            ATTR_offscreen_position => 0
-            ATTR_offscreen_normal => 1
-    Bindings:
-        Uniform block 'vs_params':
-            C struct: vs_params_t
-            Bind slot: UB_vs_params => 0
-        Image 'tex':
-            Image type: SG_IMAGETYPE_2D
-            Sample type: SG_IMAGESAMPLETYPE_FLOAT
-            Multisampled: false
-            Bind slot: IMG_tex => 0
-        Sampler 'smp':
-            Type: SG_SAMPLERTYPE_FILTERING
-            Bind slot: SMP_smp => 0
-*/
-#if !defined(SOKOL_GFX_INCLUDED)
-#error "Please include sokol_gfx.h before shader_gen.h"
-#endif
-#if !defined(SOKOL_SHDC_ALIGN)
-#if defined(_MSC_VER)
-#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
-#else
-#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
-#endif
-#endif
-#define ATTR_default_position (0)
-#define ATTR_default_normal (1)
-#define ATTR_default_texcoord0 (2)
-#define ATTR_offscreen_position (0)
-#define ATTR_offscreen_normal (1)
-#define UB_vs_params (0)
-#define IMG_tex (0)
-#define SMP_smp (0)
-#pragma pack(push,1)
-SOKOL_SHDC_ALIGN(16) typedef struct vs_params_t {
-    hmm_mat4 mvp;
-} vs_params_t;
-#pragma pack(pop)
-/*
-    #version 410
-
-    uniform vec4 vs_params[4];
-    layout(location = 0) in vec4 position;
-    layout(location = 0) out vec4 nrm;
-    layout(location = 1) in vec4 normal;
-
-    void main()
-    {
-        gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * position;
-        nrm = normal;
-    }
-
-*/
-static const uint8_t vs_offscreen_source_glsl410[280] = {
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-    0x61,0x6c,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
-};
-/*
-    #version 410
-
-    layout(location = 0) out vec4 frag_color;
-    layout(location = 0) in vec4 nrm;
-
-    void main()
-    {
-        frag_color = vec4((nrm.xyz * 0.5) + vec3(0.5), 1.0);
-    }
-
-*/
-static const uint8_t fs_offscreen_source_glsl410[166] = {
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-    0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
-};
-/*
-    #version 410
-
-    uniform vec4 vs_params[4];
-    layout(location = 0) in vec4 position;
-    layout(location = 1) out vec2 uv;
-    layout(location = 2) in vec2 texcoord0;
-    layout(location = 0) out vec4 nrm;
-    layout(location = 1) in vec4 normal;
-
-    void main()
-    {
-        mat4 _22 = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]);
-        gl_Position = _22 * position;
-        uv = texcoord0;
-        nrm = _22 * normal;
-    }
-
-*/
-static const uint8_t vs_default_source_glsl410[400] = {
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-
-};
-/*
-    #version 410
-
-    uniform sampler2D tex_smp;
-
-    layout(location = 1) in vec2 uv;
-    layout(location = 0) in vec4 nrm;
-    layout(location = 0) out vec4 frag_color;
-
-    void main()
-    {
-        frag_color = vec4(texture(tex_smp, uv * vec2(20.0, 10.0)).xyz * fma(clamp(dot(nrm.xyz, vec3(0.57735025882720947265625, 0.57735025882720947265625, -0.57735025882720947265625)), 0.0, 1.0), 2.0, 0.25), 1.0);
-    }
-
-*/
-static const uint8_t fs_default_source_glsl410[379] = {
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-};
-static inline const sg_shader_desc* default_shader_desc(sg_backend backend) {
-    if (backend == SG_BACKEND_GLCORE) {
-        static sg_shader_desc desc;
-        static bool valid;
-        if (!valid) {
-            valid = true;
-            desc.vertex_func.source = (const char*)vs_default_source_glsl410;
-            desc.vertex_func.entry = "main";
-            desc.fragment_func.source = (const char*)fs_default_source_glsl410;
-            desc.fragment_func.entry = "main";
-            desc.attrs[0].glsl_name = "position";
-            desc.attrs[1].glsl_name = "normal";
-            desc.attrs[2].glsl_name = "texcoord0";
-            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
-            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
-            desc.uniform_blocks[0].size = 64;
-            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
-            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4;
-            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_params";
-            desc.images[0].stage = SG_SHADERSTAGE_FRAGMENT;
-            desc.images[0].image_type = SG_IMAGETYPE_2D;
-            desc.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
-            desc.images[0].multisampled = false;
-            desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT;
-            desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
-            desc.image_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT;
-            desc.image_sampler_pairs[0].image_slot = 0;
-            desc.image_sampler_pairs[0].sampler_slot = 0;
-            desc.image_sampler_pairs[0].glsl_name = "tex_smp";
-            desc.label = "default_shader";
-        }
-        return &desc;
-    }
-    return 0;
-}
-static inline const sg_shader_desc* offscreen_shader_desc(sg_backend backend) {
-    if (backend == SG_BACKEND_GLCORE) {
-        static sg_shader_desc desc;
-        static bool valid;
-        if (!valid) {
-            valid = true;
-            desc.vertex_func.source = (const char*)vs_offscreen_source_glsl410;
-            desc.vertex_func.entry = "main";
-            desc.fragment_func.source = (const char*)fs_offscreen_source_glsl410;
-            desc.fragment_func.entry = "main";
-            desc.attrs[0].glsl_name = "position";
-            desc.attrs[1].glsl_name = "normal";
-            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
-            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
-            desc.uniform_blocks[0].size = 64;
-            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
-            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4;
-            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_params";
-            desc.label = "offscreen_shader";
-        }
-        return &desc;
-    }
-    return 0;
-}
diff --git a/bin/shaderbin/shader_gen_dbg.h b/bin/shaderbin/shader_gen_dbg.h
new file mode 100644
index 0000000..991e1ed
--- /dev/null
+++ b/bin/shaderbin/shader_gen_dbg.h
@@ -0,0 +1,624 @@
+#pragma once
+/*
+    #version:1# (machine generated, don't edit!)
+
+    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
+
+    Cmdline:
+        sokol-shdc -i ./projects/examples/samples/shadows-sapp.glsl -o F:\dev\luajit\repos\sokol-luajit\bin\shaderbin\shader_gen_dbg.h -l glsl410 -f sokol
+
+    Overview:
+    =========
+    Shader program: 'dbg':
+        Get shader desc: dbg_shader_desc(sg_query_backend());
+        Vertex Shader: vs_dbg
+        Fragment Shader: fs_dbg
+        Attributes:
+            ATTR_dbg_pos => 0
+    Shader program: 'display':
+        Get shader desc: display_shader_desc(sg_query_backend());
+        Vertex Shader: vs_display
+        Fragment Shader: fs_display
+        Attributes:
+            ATTR_display_pos => 0
+            ATTR_display_norm => 1
+    Shader program: 'shadow':
+        Get shader desc: shadow_shader_desc(sg_query_backend());
+        Vertex Shader: vs_shadow
+        Fragment Shader: fs_shadow
+        Attributes:
+            ATTR_shadow_pos => 0
+    Bindings:
+        Uniform block 'vs_display_params':
+            C struct: vs_display_params_t
+            Bind slot: UB_vs_display_params => 0
+        Uniform block 'fs_display_params':
+            C struct: fs_display_params_t
+            Bind slot: UB_fs_display_params => 1
+        Uniform block 'vs_shadow_params':
+            C struct: vs_shadow_params_t
+            Bind slot: UB_vs_shadow_params => 0
+        Image 'dbg_tex':
+            Image type: SG_IMAGETYPE_2D
+            Sample type: SG_IMAGESAMPLETYPE_FLOAT
+            Multisampled: false
+            Bind slot: IMG_dbg_tex => 0
+        Image 'shadow_map':
+            Image type: SG_IMAGETYPE_2D
+            Sample type: SG_IMAGESAMPLETYPE_FLOAT
+            Multisampled: false
+            Bind slot: IMG_shadow_map => 0
+        Sampler 'dbg_smp':
+            Type: SG_SAMPLERTYPE_FILTERING
+            Bind slot: SMP_dbg_smp => 0
+        Sampler 'shadow_sampler':
+            Type: SG_SAMPLERTYPE_FILTERING
+            Bind slot: SMP_shadow_sampler => 0
+*/
+#if !defined(SOKOL_GFX_INCLUDED)
+#error "Please include sokol_gfx.h before shader_gen_dbg.h"
+#endif
+#if !defined(SOKOL_SHDC_ALIGN)
+#if defined(_MSC_VER)
+#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
+#else
+#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
+#endif
+#endif
+#define ATTR_dbg_pos (0)
+#define ATTR_display_pos (0)
+#define ATTR_display_norm (1)
+#define ATTR_shadow_pos (0)
+#define UB_vs_display_params (0)
+#define UB_fs_display_params (1)
+#define UB_vs_shadow_params (0)
+#define IMG_dbg_tex (0)
+#define IMG_shadow_map (0)
+#define SMP_dbg_smp (0)
+#define SMP_shadow_sampler (0)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_display_params_t {
+    hmm_mat4 mvp;
+    hmm_mat4 model;
+    hmm_mat4 light_mvp;
+    hmm_vec3 diff_color;
+    uint8_t _pad_204[4];
+} vs_display_params_t;
+#pragma pack(pop)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct fs_display_params_t {
+    hmm_vec3 light_dir;
+    uint8_t _pad_12[4];
+    hmm_vec3 eye_pos;
+    uint8_t _pad_28[4];
+} fs_display_params_t;
+#pragma pack(pop)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_shadow_params_t {
+    hmm_mat4 mvp;
+} vs_shadow_params_t;
+#pragma pack(pop)
+/*
+    #version 410
+
+    uniform vec4 vs_shadow_params[4];
+    layout(location = 0) in vec4 pos;
+    layout(location = 0) out vec2 proj_zw;
+
+    void main()
+    {
+        gl_Position = mat4(vs_shadow_params[0], vs_shadow_params[1], vs_shadow_params[2], vs_shadow_params[3]) * pos;
+        proj_zw = gl_Position.zw;
+    }
+
+*/
+static const uint8_t vs_shadow_source_glsl410[284] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x73,0x68,
+    0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x34,0x5d,0x3b,0x0a,
+    0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,
+    0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,
+    0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
+    0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x32,0x20,
+    0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x3b,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,
+    0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x67,0x6c,0x5f,0x50,
+    0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x6d,0x61,0x74,0x34,0x28,0x76,
+    0x73,0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,
+    0x30,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,
+    0x72,0x61,0x6d,0x73,0x5b,0x31,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x73,0x68,0x61,0x64,
+    0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x32,0x5d,0x2c,0x20,0x76,0x73,
+    0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x33,
+    0x5d,0x29,0x20,0x2a,0x20,0x70,0x6f,0x73,0x3b,0x0a,0x20,0x20,0x20,0x20,0x70,0x72,
+    0x6f,0x6a,0x5f,0x7a,0x77,0x20,0x3d,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,
+    0x69,0x6f,0x6e,0x2e,0x7a,0x77,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    layout(location = 0) in vec2 proj_zw;
+    layout(location = 0) out vec4 frag_color;
+
+    vec4 encode_depth(float v)
+    {
+        vec4 _23 = fract(vec4(1.0, 255.0, 65025.0, 16581375.0) * v);
+        return fma(-_23.yzww, vec4(0.0039215688593685626983642578125, 0.0039215688593685626983642578125, 0.0039215688593685626983642578125, 0.0), _23);
+    }
+
+    void main()
+    {
+        float param = proj_zw.x / proj_zw.y;
+        frag_color = encode_depth(param);
+    }
+
+*/
+static const uint8_t fs_shadow_source_glsl410[437] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
+    0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x70,0x72,0x6f,0x6a,0x5f,
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+    0x2e,0x30,0x30,0x33,0x39,0x32,0x31,0x35,0x36,0x38,0x38,0x35,0x39,0x33,0x36,0x38,
+    0x35,0x36,0x32,0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,0x31,0x32,0x35,
+    0x2c,0x20,0x30,0x2e,0x30,0x30,0x33,0x39,0x32,0x31,0x35,0x36,0x38,0x38,0x35,0x39,
+    0x33,0x36,0x38,0x35,0x36,0x32,0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,
+    0x31,0x32,0x35,0x2c,0x20,0x30,0x2e,0x30,0x29,0x2c,0x20,0x5f,0x32,0x33,0x29,0x3b,
+    0x0a,0x7d,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,
+    0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x20,0x70,0x61,0x72,0x61,
+    0x6d,0x20,0x3d,0x20,0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x2e,0x78,0x20,0x2f,0x20,
+    0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x2e,0x79,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,
+    0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x65,0x6e,0x63,0x6f,
+    0x64,0x65,0x5f,0x64,0x65,0x70,0x74,0x68,0x28,0x70,0x61,0x72,0x61,0x6d,0x29,0x3b,
+    0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    uniform vec4 vs_display_params[13];
+    layout(location = 0) in vec4 pos;
+    layout(location = 1) out vec4 light_proj_pos;
+    layout(location = 2) out vec4 world_pos;
+    layout(location = 3) out vec3 world_norm;
+    layout(location = 1) in vec3 norm;
+    layout(location = 0) out vec3 color;
+
+    void main()
+    {
+        gl_Position = mat4(vs_display_params[0], vs_display_params[1], vs_display_params[2], vs_display_params[3]) * pos;
+        light_proj_pos = mat4(vs_display_params[8], vs_display_params[9], vs_display_params[10], vs_display_params[11]) * pos;
+        mat4 _39 = mat4(vs_display_params[4], vs_display_params[5], vs_display_params[6], vs_display_params[7]);
+        world_pos = _39 * pos;
+        world_norm = normalize((_39 * vec4(norm, 0.0)).xyz);
+        color = vs_display_params[12].xyz;
+    }
+
+*/
+static const uint8_t vs_display_source_glsl410[777] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x64,0x69,
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+};
+/*
+    #version 410
+
+    uniform vec4 fs_display_params[2];
+    uniform sampler2D shadow_map_shadow_sampler;
+
+    layout(location = 3) in vec3 world_norm;
+    layout(location = 1) in vec4 light_proj_pos;
+    layout(location = 2) in vec4 world_pos;
+    layout(location = 0) out vec4 frag_color;
+    layout(location = 0) in vec3 color;
+
+    float decodeDepth(vec4 rgba)
+    {
+        return dot(rgba, vec4(1.0, 0.0039215688593685626983642578125, 1.5378700481960549950599670410156e-05, 6.0308629201699659461155533790588e-08));
+    }
+
+    float sample_shadow(vec2 uv, float compare, sampler2D SPIRV_Cross_Combinedtexsmp)
+    {
+        vec4 param = texture(SPIRV_Cross_Combinedtexsmp, vec2(uv.x, uv.y));
+        return step(compare, decodeDepth(param));
+    }
+
+    float sample_shadow_pcf(vec3 uv_depth, vec2 sm_size, sampler2D SPIRV_Cross_Combinedtexsmp)
+    {
+        float result = 0.0;
+        for (int x = -2; x <= 2; x++)
+        {
+            for (int y = -2; y <= 2; y++)
+            {
+                vec2 param = uv_depth.xy + (vec2(float(x), float(y)) / sm_size);
+                float param_1 = uv_depth.z;
+                result += sample_shadow(param, param_1, SPIRV_Cross_Combinedtexsmp);
+            }
+        }
+        return result * 0.039999999105930328369140625;
+    }
+
+    vec4 gamma(vec4 c)
+    {
+        return vec4(pow(c.xyz, vec3(0.4545454680919647216796875)), c.w);
+    }
+
+    void main()
+    {
+        vec3 _161 = normalize(fs_display_params[0].xyz);
+        vec3 _166 = normalize(world_norm);
+        float _170 = dot(_166, _161);
+        if (_170 > 0.0)
+        {
+            vec3 _184 = light_proj_pos.xyz / vec3(light_proj_pos.w);
+            vec3 param = vec3((_184.xy + vec2(1.0)) * 0.5, _184.z);
+            vec2 param_1 = vec2(textureSize(shadow_map_shadow_sampler, 0));
+            float _202 = sample_shadow_pcf(param, param_1, shadow_map_shadow_sampler);
+            frag_color = vec4(vec3((pow(max(dot(reflect(-_161, _166), normalize(fs_display_params[1].xyz - world_pos.xyz)), 0.0), 2.2000000476837158203125) * _170) * _202) + (color * (max(_170 * _202, 0.0) + 0.25)), 1.0);
+        }
+        else
+        {
+            frag_color = vec4(color * 0.25, 1.0);
+        }
+        vec4 param_2 = frag_color;
+        frag_color = gamma(param_2);
+    }
+
+*/
+static const uint8_t fs_display_source_glsl410[2060] = {
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+    0x72,0x61,0x6d,0x5f,0x32,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    layout(location = 0) in vec2 pos;
+    layout(location = 0) out vec2 uv;
+
+    void main()
+    {
+        gl_Position = vec4((pos * 2.0) - vec2(1.0), 0.5, 1.0);
+        uv = pos;
+        gl_Position.y = -gl_Position.y;
+    }
+
+*/
+static const uint8_t vs_dbg_source_glsl410[210] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
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+    0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x70,0x6f,0x73,0x3b,0x0a,
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+    0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x32,0x20,0x75,0x76,
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+    0x75,0x76,0x20,0x3d,0x20,0x70,0x6f,0x73,0x3b,0x0a,0x20,0x20,0x20,0x20,0x67,0x6c,
+    0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x2e,0x79,0x20,0x3d,0x20,0x2d,0x67,
+    0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x2e,0x79,0x3b,0x0a,0x7d,0x0a,
+    0x0a,0x00,
+};
+/*
+    #version 410
+
+    uniform sampler2D dbg_tex_dbg_smp;
+
+    layout(location = 0) in vec2 uv;
+    layout(location = 0) out vec4 frag_color;
+
+    float decodeDepth(vec4 rgba)
+    {
+        return dot(rgba, vec4(1.0, 0.0039215688593685626983642578125, 1.5378700481960549950599670410156e-05, 6.0308629201699659461155533790588e-08));
+    }
+
+    void main()
+    {
+        vec4 param = texture(dbg_tex_dbg_smp, uv);
+        float _40 = decodeDepth(param);
+        frag_color = vec4(_40, _40, _40, 1.0);
+    }
+
+*/
+static const uint8_t fs_dbg_source_glsl410[450] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x73,0x61,0x6d,0x70,0x6c,0x65,0x72,0x32,0x44,0x20,
+    0x64,0x62,0x67,0x5f,0x74,0x65,0x78,0x5f,0x64,0x62,0x67,0x5f,0x73,0x6d,0x70,0x3b,
+    0x0a,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
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+    0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,0x31,0x32,0x35,0x2c,0x20,0x31,
+    0x2e,0x35,0x33,0x37,0x38,0x37,0x30,0x30,0x34,0x38,0x31,0x39,0x36,0x30,0x35,0x34,
+    0x39,0x39,0x35,0x30,0x35,0x39,0x39,0x36,0x37,0x30,0x34,0x31,0x30,0x31,0x35,0x36,
+    0x65,0x2d,0x30,0x35,0x2c,0x20,0x36,0x2e,0x30,0x33,0x30,0x38,0x36,0x32,0x39,0x32,
+    0x30,0x31,0x36,0x39,0x39,0x36,0x35,0x39,0x34,0x36,0x31,0x31,0x35,0x35,0x35,0x33,
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+    0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,
+    0x20,0x20,0x20,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x61,0x72,0x61,0x6d,0x20,0x3d,
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+    0x65,0x63,0x6f,0x64,0x65,0x44,0x65,0x70,0x74,0x68,0x28,0x70,0x61,0x72,0x61,0x6d,
+    0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,
+    0x72,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x5f,0x34,0x30,0x2c,0x20,0x5f,0x34,
+    0x30,0x2c,0x20,0x5f,0x34,0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,
+    0x0a,0x00,
+};
+static inline const sg_shader_desc* dbg_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_dbg_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_dbg_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.images[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
+            desc.images[0].multisampled = false;
+            desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
+            desc.image_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.image_sampler_pairs[0].image_slot = 0;
+            desc.image_sampler_pairs[0].sampler_slot = 0;
+            desc.image_sampler_pairs[0].glsl_name = "dbg_tex_dbg_smp";
+            desc.label = "dbg_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
+static inline const sg_shader_desc* display_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_display_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_display_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.attrs[1].glsl_name = "norm";
+            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
+            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[0].size = 208;
+            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 13;
+            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_display_params";
+            desc.uniform_blocks[1].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.uniform_blocks[1].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[1].size = 32;
+            desc.uniform_blocks[1].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[1].glsl_uniforms[0].array_count = 2;
+            desc.uniform_blocks[1].glsl_uniforms[0].glsl_name = "fs_display_params";
+            desc.images[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
+            desc.images[0].multisampled = false;
+            desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
+            desc.image_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.image_sampler_pairs[0].image_slot = 0;
+            desc.image_sampler_pairs[0].sampler_slot = 0;
+            desc.image_sampler_pairs[0].glsl_name = "shadow_map_shadow_sampler";
+            desc.label = "display_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
+static inline const sg_shader_desc* shadow_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_shadow_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_shadow_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
+            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[0].size = 64;
+            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4;
+            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_shadow_params";
+            desc.label = "shadow_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
diff --git a/bin/shaderbin/shader_gen_display.h b/bin/shaderbin/shader_gen_display.h
new file mode 100644
index 0000000..90f6350
--- /dev/null
+++ b/bin/shaderbin/shader_gen_display.h
@@ -0,0 +1,624 @@
+#pragma once
+/*
+    #version:1# (machine generated, don't edit!)
+
+    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
+
+    Cmdline:
+        sokol-shdc -i ./projects/examples/samples/shadows-sapp.glsl -o F:\dev\luajit\repos\sokol-luajit\bin\shaderbin\shader_gen_display.h -l glsl410 -f sokol
+
+    Overview:
+    =========
+    Shader program: 'dbg':
+        Get shader desc: dbg_shader_desc(sg_query_backend());
+        Vertex Shader: vs_dbg
+        Fragment Shader: fs_dbg
+        Attributes:
+            ATTR_dbg_pos => 0
+    Shader program: 'display':
+        Get shader desc: display_shader_desc(sg_query_backend());
+        Vertex Shader: vs_display
+        Fragment Shader: fs_display
+        Attributes:
+            ATTR_display_pos => 0
+            ATTR_display_norm => 1
+    Shader program: 'shadow':
+        Get shader desc: shadow_shader_desc(sg_query_backend());
+        Vertex Shader: vs_shadow
+        Fragment Shader: fs_shadow
+        Attributes:
+            ATTR_shadow_pos => 0
+    Bindings:
+        Uniform block 'vs_display_params':
+            C struct: vs_display_params_t
+            Bind slot: UB_vs_display_params => 0
+        Uniform block 'fs_display_params':
+            C struct: fs_display_params_t
+            Bind slot: UB_fs_display_params => 1
+        Uniform block 'vs_shadow_params':
+            C struct: vs_shadow_params_t
+            Bind slot: UB_vs_shadow_params => 0
+        Image 'dbg_tex':
+            Image type: SG_IMAGETYPE_2D
+            Sample type: SG_IMAGESAMPLETYPE_FLOAT
+            Multisampled: false
+            Bind slot: IMG_dbg_tex => 0
+        Image 'shadow_map':
+            Image type: SG_IMAGETYPE_2D
+            Sample type: SG_IMAGESAMPLETYPE_FLOAT
+            Multisampled: false
+            Bind slot: IMG_shadow_map => 0
+        Sampler 'dbg_smp':
+            Type: SG_SAMPLERTYPE_FILTERING
+            Bind slot: SMP_dbg_smp => 0
+        Sampler 'shadow_sampler':
+            Type: SG_SAMPLERTYPE_FILTERING
+            Bind slot: SMP_shadow_sampler => 0
+*/
+#if !defined(SOKOL_GFX_INCLUDED)
+#error "Please include sokol_gfx.h before shader_gen_display.h"
+#endif
+#if !defined(SOKOL_SHDC_ALIGN)
+#if defined(_MSC_VER)
+#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
+#else
+#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
+#endif
+#endif
+#define ATTR_dbg_pos (0)
+#define ATTR_display_pos (0)
+#define ATTR_display_norm (1)
+#define ATTR_shadow_pos (0)
+#define UB_vs_display_params (0)
+#define UB_fs_display_params (1)
+#define UB_vs_shadow_params (0)
+#define IMG_dbg_tex (0)
+#define IMG_shadow_map (0)
+#define SMP_dbg_smp (0)
+#define SMP_shadow_sampler (0)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_display_params_t {
+    hmm_mat4 mvp;
+    hmm_mat4 model;
+    hmm_mat4 light_mvp;
+    hmm_vec3 diff_color;
+    uint8_t _pad_204[4];
+} vs_display_params_t;
+#pragma pack(pop)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct fs_display_params_t {
+    hmm_vec3 light_dir;
+    uint8_t _pad_12[4];
+    hmm_vec3 eye_pos;
+    uint8_t _pad_28[4];
+} fs_display_params_t;
+#pragma pack(pop)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_shadow_params_t {
+    hmm_mat4 mvp;
+} vs_shadow_params_t;
+#pragma pack(pop)
+/*
+    #version 410
+
+    uniform vec4 vs_shadow_params[4];
+    layout(location = 0) in vec4 pos;
+    layout(location = 0) out vec2 proj_zw;
+
+    void main()
+    {
+        gl_Position = mat4(vs_shadow_params[0], vs_shadow_params[1], vs_shadow_params[2], vs_shadow_params[3]) * pos;
+        proj_zw = gl_Position.zw;
+    }
+
+*/
+static const uint8_t vs_shadow_source_glsl410[284] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x73,0x68,
+    0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x34,0x5d,0x3b,0x0a,
+    0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,
+    0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,
+    0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
+    0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x32,0x20,
+    0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x3b,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,
+    0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x67,0x6c,0x5f,0x50,
+    0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x6d,0x61,0x74,0x34,0x28,0x76,
+    0x73,0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,
+    0x30,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,
+    0x72,0x61,0x6d,0x73,0x5b,0x31,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x73,0x68,0x61,0x64,
+    0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x32,0x5d,0x2c,0x20,0x76,0x73,
+    0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x33,
+    0x5d,0x29,0x20,0x2a,0x20,0x70,0x6f,0x73,0x3b,0x0a,0x20,0x20,0x20,0x20,0x70,0x72,
+    0x6f,0x6a,0x5f,0x7a,0x77,0x20,0x3d,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,
+    0x69,0x6f,0x6e,0x2e,0x7a,0x77,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    layout(location = 0) in vec2 proj_zw;
+    layout(location = 0) out vec4 frag_color;
+
+    vec4 encode_depth(float v)
+    {
+        vec4 _23 = fract(vec4(1.0, 255.0, 65025.0, 16581375.0) * v);
+        return fma(-_23.yzww, vec4(0.0039215688593685626983642578125, 0.0039215688593685626983642578125, 0.0039215688593685626983642578125, 0.0), _23);
+    }
+
+    void main()
+    {
+        float param = proj_zw.x / proj_zw.y;
+        frag_color = encode_depth(param);
+    }
+
+*/
+static const uint8_t fs_shadow_source_glsl410[437] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
+    0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x70,0x72,0x6f,0x6a,0x5f,
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+    0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,0x31,0x32,0x35,0x2c,0x20,0x30,
+    0x2e,0x30,0x30,0x33,0x39,0x32,0x31,0x35,0x36,0x38,0x38,0x35,0x39,0x33,0x36,0x38,
+    0x35,0x36,0x32,0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,0x31,0x32,0x35,
+    0x2c,0x20,0x30,0x2e,0x30,0x30,0x33,0x39,0x32,0x31,0x35,0x36,0x38,0x38,0x35,0x39,
+    0x33,0x36,0x38,0x35,0x36,0x32,0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,
+    0x31,0x32,0x35,0x2c,0x20,0x30,0x2e,0x30,0x29,0x2c,0x20,0x5f,0x32,0x33,0x29,0x3b,
+    0x0a,0x7d,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,
+    0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x20,0x70,0x61,0x72,0x61,
+    0x6d,0x20,0x3d,0x20,0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x2e,0x78,0x20,0x2f,0x20,
+    0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x2e,0x79,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,
+    0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x65,0x6e,0x63,0x6f,
+    0x64,0x65,0x5f,0x64,0x65,0x70,0x74,0x68,0x28,0x70,0x61,0x72,0x61,0x6d,0x29,0x3b,
+    0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    uniform vec4 vs_display_params[13];
+    layout(location = 0) in vec4 pos;
+    layout(location = 1) out vec4 light_proj_pos;
+    layout(location = 2) out vec4 world_pos;
+    layout(location = 3) out vec3 world_norm;
+    layout(location = 1) in vec3 norm;
+    layout(location = 0) out vec3 color;
+
+    void main()
+    {
+        gl_Position = mat4(vs_display_params[0], vs_display_params[1], vs_display_params[2], vs_display_params[3]) * pos;
+        light_proj_pos = mat4(vs_display_params[8], vs_display_params[9], vs_display_params[10], vs_display_params[11]) * pos;
+        mat4 _39 = mat4(vs_display_params[4], vs_display_params[5], vs_display_params[6], vs_display_params[7]);
+        world_pos = _39 * pos;
+        world_norm = normalize((_39 * vec4(norm, 0.0)).xyz);
+        color = vs_display_params[12].xyz;
+    }
+
+*/
+static const uint8_t vs_display_source_glsl410[777] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x64,0x69,
+    0x73,0x70,0x6c,0x61,0x79,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,0x33,0x5d,
+    0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
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+    0x5b,0x32,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x64,0x69,0x73,0x70,0x6c,0x61,0x79,0x5f,
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+};
+/*
+    #version 410
+
+    uniform vec4 fs_display_params[2];
+    uniform sampler2D shadow_map_shadow_sampler;
+
+    layout(location = 3) in vec3 world_norm;
+    layout(location = 1) in vec4 light_proj_pos;
+    layout(location = 2) in vec4 world_pos;
+    layout(location = 0) out vec4 frag_color;
+    layout(location = 0) in vec3 color;
+
+    float decodeDepth(vec4 rgba)
+    {
+        return dot(rgba, vec4(1.0, 0.0039215688593685626983642578125, 1.5378700481960549950599670410156e-05, 6.0308629201699659461155533790588e-08));
+    }
+
+    float sample_shadow(vec2 uv, float compare, sampler2D SPIRV_Cross_Combinedtexsmp)
+    {
+        vec4 param = texture(SPIRV_Cross_Combinedtexsmp, vec2(uv.x, uv.y));
+        return step(compare, decodeDepth(param));
+    }
+
+    float sample_shadow_pcf(vec3 uv_depth, vec2 sm_size, sampler2D SPIRV_Cross_Combinedtexsmp)
+    {
+        float result = 0.0;
+        for (int x = -2; x <= 2; x++)
+        {
+            for (int y = -2; y <= 2; y++)
+            {
+                vec2 param = uv_depth.xy + (vec2(float(x), float(y)) / sm_size);
+                float param_1 = uv_depth.z;
+                result += sample_shadow(param, param_1, SPIRV_Cross_Combinedtexsmp);
+            }
+        }
+        return result * 0.039999999105930328369140625;
+    }
+
+    vec4 gamma(vec4 c)
+    {
+        return vec4(pow(c.xyz, vec3(0.4545454680919647216796875)), c.w);
+    }
+
+    void main()
+    {
+        vec3 _161 = normalize(fs_display_params[0].xyz);
+        vec3 _166 = normalize(world_norm);
+        float _170 = dot(_166, _161);
+        if (_170 > 0.0)
+        {
+            vec3 _184 = light_proj_pos.xyz / vec3(light_proj_pos.w);
+            vec3 param = vec3((_184.xy + vec2(1.0)) * 0.5, _184.z);
+            vec2 param_1 = vec2(textureSize(shadow_map_shadow_sampler, 0));
+            float _202 = sample_shadow_pcf(param, param_1, shadow_map_shadow_sampler);
+            frag_color = vec4(vec3((pow(max(dot(reflect(-_161, _166), normalize(fs_display_params[1].xyz - world_pos.xyz)), 0.0), 2.2000000476837158203125) * _170) * _202) + (color * (max(_170 * _202, 0.0) + 0.25)), 1.0);
+        }
+        else
+        {
+            frag_color = vec4(color * 0.25, 1.0);
+        }
+        vec4 param_2 = frag_color;
+        frag_color = gamma(param_2);
+    }
+
+*/
+static const uint8_t fs_display_source_glsl410[2060] = {
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+};
+/*
+    #version 410
+
+    layout(location = 0) in vec2 pos;
+    layout(location = 0) out vec2 uv;
+
+    void main()
+    {
+        gl_Position = vec4((pos * 2.0) - vec2(1.0), 0.5, 1.0);
+        uv = pos;
+        gl_Position.y = -gl_Position.y;
+    }
+
+*/
+static const uint8_t vs_dbg_source_glsl410[210] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
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+    0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x2e,0x79,0x3b,0x0a,0x7d,0x0a,
+    0x0a,0x00,
+};
+/*
+    #version 410
+
+    uniform sampler2D dbg_tex_dbg_smp;
+
+    layout(location = 0) in vec2 uv;
+    layout(location = 0) out vec4 frag_color;
+
+    float decodeDepth(vec4 rgba)
+    {
+        return dot(rgba, vec4(1.0, 0.0039215688593685626983642578125, 1.5378700481960549950599670410156e-05, 6.0308629201699659461155533790588e-08));
+    }
+
+    void main()
+    {
+        vec4 param = texture(dbg_tex_dbg_smp, uv);
+        float _40 = decodeDepth(param);
+        frag_color = vec4(_40, _40, _40, 1.0);
+    }
+
+*/
+static const uint8_t fs_dbg_source_glsl410[450] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x73,0x61,0x6d,0x70,0x6c,0x65,0x72,0x32,0x44,0x20,
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+    0x39,0x39,0x35,0x30,0x35,0x39,0x39,0x36,0x37,0x30,0x34,0x31,0x30,0x31,0x35,0x36,
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+    0x30,0x31,0x36,0x39,0x39,0x36,0x35,0x39,0x34,0x36,0x31,0x31,0x35,0x35,0x35,0x33,
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+    0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,
+    0x72,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x5f,0x34,0x30,0x2c,0x20,0x5f,0x34,
+    0x30,0x2c,0x20,0x5f,0x34,0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,
+    0x0a,0x00,
+};
+static inline const sg_shader_desc* dbg_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_dbg_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_dbg_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.images[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
+            desc.images[0].multisampled = false;
+            desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
+            desc.image_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.image_sampler_pairs[0].image_slot = 0;
+            desc.image_sampler_pairs[0].sampler_slot = 0;
+            desc.image_sampler_pairs[0].glsl_name = "dbg_tex_dbg_smp";
+            desc.label = "dbg_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
+static inline const sg_shader_desc* display_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_display_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_display_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.attrs[1].glsl_name = "norm";
+            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
+            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[0].size = 208;
+            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 13;
+            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_display_params";
+            desc.uniform_blocks[1].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.uniform_blocks[1].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[1].size = 32;
+            desc.uniform_blocks[1].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[1].glsl_uniforms[0].array_count = 2;
+            desc.uniform_blocks[1].glsl_uniforms[0].glsl_name = "fs_display_params";
+            desc.images[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
+            desc.images[0].multisampled = false;
+            desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
+            desc.image_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.image_sampler_pairs[0].image_slot = 0;
+            desc.image_sampler_pairs[0].sampler_slot = 0;
+            desc.image_sampler_pairs[0].glsl_name = "shadow_map_shadow_sampler";
+            desc.label = "display_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
+static inline const sg_shader_desc* shadow_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_shadow_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_shadow_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
+            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[0].size = 64;
+            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4;
+            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_shadow_params";
+            desc.label = "shadow_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
diff --git a/bin/shaderbin/shader_gen_shadow.h b/bin/shaderbin/shader_gen_shadow.h
new file mode 100644
index 0000000..0a0434a
--- /dev/null
+++ b/bin/shaderbin/shader_gen_shadow.h
@@ -0,0 +1,624 @@
+#pragma once
+/*
+    #version:1# (machine generated, don't edit!)
+
+    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
+
+    Cmdline:
+        sokol-shdc -i ./projects/examples/samples/shadows-sapp.glsl -o F:\dev\luajit\repos\sokol-luajit\bin\shaderbin\shader_gen_shadow.h -l glsl410 -f sokol
+
+    Overview:
+    =========
+    Shader program: 'dbg':
+        Get shader desc: dbg_shader_desc(sg_query_backend());
+        Vertex Shader: vs_dbg
+        Fragment Shader: fs_dbg
+        Attributes:
+            ATTR_dbg_pos => 0
+    Shader program: 'display':
+        Get shader desc: display_shader_desc(sg_query_backend());
+        Vertex Shader: vs_display
+        Fragment Shader: fs_display
+        Attributes:
+            ATTR_display_pos => 0
+            ATTR_display_norm => 1
+    Shader program: 'shadow':
+        Get shader desc: shadow_shader_desc(sg_query_backend());
+        Vertex Shader: vs_shadow
+        Fragment Shader: fs_shadow
+        Attributes:
+            ATTR_shadow_pos => 0
+    Bindings:
+        Uniform block 'vs_display_params':
+            C struct: vs_display_params_t
+            Bind slot: UB_vs_display_params => 0
+        Uniform block 'fs_display_params':
+            C struct: fs_display_params_t
+            Bind slot: UB_fs_display_params => 1
+        Uniform block 'vs_shadow_params':
+            C struct: vs_shadow_params_t
+            Bind slot: UB_vs_shadow_params => 0
+        Image 'dbg_tex':
+            Image type: SG_IMAGETYPE_2D
+            Sample type: SG_IMAGESAMPLETYPE_FLOAT
+            Multisampled: false
+            Bind slot: IMG_dbg_tex => 0
+        Image 'shadow_map':
+            Image type: SG_IMAGETYPE_2D
+            Sample type: SG_IMAGESAMPLETYPE_FLOAT
+            Multisampled: false
+            Bind slot: IMG_shadow_map => 0
+        Sampler 'dbg_smp':
+            Type: SG_SAMPLERTYPE_FILTERING
+            Bind slot: SMP_dbg_smp => 0
+        Sampler 'shadow_sampler':
+            Type: SG_SAMPLERTYPE_FILTERING
+            Bind slot: SMP_shadow_sampler => 0
+*/
+#if !defined(SOKOL_GFX_INCLUDED)
+#error "Please include sokol_gfx.h before shader_gen_shadow.h"
+#endif
+#if !defined(SOKOL_SHDC_ALIGN)
+#if defined(_MSC_VER)
+#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
+#else
+#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
+#endif
+#endif
+#define ATTR_dbg_pos (0)
+#define ATTR_display_pos (0)
+#define ATTR_display_norm (1)
+#define ATTR_shadow_pos (0)
+#define UB_vs_display_params (0)
+#define UB_fs_display_params (1)
+#define UB_vs_shadow_params (0)
+#define IMG_dbg_tex (0)
+#define IMG_shadow_map (0)
+#define SMP_dbg_smp (0)
+#define SMP_shadow_sampler (0)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_display_params_t {
+    hmm_mat4 mvp;
+    hmm_mat4 model;
+    hmm_mat4 light_mvp;
+    hmm_vec3 diff_color;
+    uint8_t _pad_204[4];
+} vs_display_params_t;
+#pragma pack(pop)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct fs_display_params_t {
+    hmm_vec3 light_dir;
+    uint8_t _pad_12[4];
+    hmm_vec3 eye_pos;
+    uint8_t _pad_28[4];
+} fs_display_params_t;
+#pragma pack(pop)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_shadow_params_t {
+    hmm_mat4 mvp;
+} vs_shadow_params_t;
+#pragma pack(pop)
+/*
+    #version 410
+
+    uniform vec4 vs_shadow_params[4];
+    layout(location = 0) in vec4 pos;
+    layout(location = 0) out vec2 proj_zw;
+
+    void main()
+    {
+        gl_Position = mat4(vs_shadow_params[0], vs_shadow_params[1], vs_shadow_params[2], vs_shadow_params[3]) * pos;
+        proj_zw = gl_Position.zw;
+    }
+
+*/
+static const uint8_t vs_shadow_source_glsl410[284] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x73,0x68,
+    0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x34,0x5d,0x3b,0x0a,
+    0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,
+    0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,
+    0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
+    0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x32,0x20,
+    0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x3b,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,
+    0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x67,0x6c,0x5f,0x50,
+    0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x6d,0x61,0x74,0x34,0x28,0x76,
+    0x73,0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,
+    0x30,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,
+    0x72,0x61,0x6d,0x73,0x5b,0x31,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x73,0x68,0x61,0x64,
+    0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x32,0x5d,0x2c,0x20,0x76,0x73,
+    0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x33,
+    0x5d,0x29,0x20,0x2a,0x20,0x70,0x6f,0x73,0x3b,0x0a,0x20,0x20,0x20,0x20,0x70,0x72,
+    0x6f,0x6a,0x5f,0x7a,0x77,0x20,0x3d,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,
+    0x69,0x6f,0x6e,0x2e,0x7a,0x77,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    layout(location = 0) in vec2 proj_zw;
+    layout(location = 0) out vec4 frag_color;
+
+    vec4 encode_depth(float v)
+    {
+        vec4 _23 = fract(vec4(1.0, 255.0, 65025.0, 16581375.0) * v);
+        return fma(-_23.yzww, vec4(0.0039215688593685626983642578125, 0.0039215688593685626983642578125, 0.0039215688593685626983642578125, 0.0), _23);
+    }
+
+    void main()
+    {
+        float param = proj_zw.x / proj_zw.y;
+        frag_color = encode_depth(param);
+    }
+
+*/
+static const uint8_t fs_shadow_source_glsl410[437] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
+    0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x70,0x72,0x6f,0x6a,0x5f,
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+    0x34,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x0a,0x76,
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+    0x33,0x37,0x35,0x2e,0x30,0x29,0x20,0x2a,0x20,0x76,0x29,0x3b,0x0a,0x20,0x20,0x20,
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+    0x2e,0x79,0x7a,0x77,0x77,0x2c,0x20,0x76,0x65,0x63,0x34,0x28,0x30,0x2e,0x30,0x30,
+    0x33,0x39,0x32,0x31,0x35,0x36,0x38,0x38,0x35,0x39,0x33,0x36,0x38,0x35,0x36,0x32,
+    0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,0x31,0x32,0x35,0x2c,0x20,0x30,
+    0x2e,0x30,0x30,0x33,0x39,0x32,0x31,0x35,0x36,0x38,0x38,0x35,0x39,0x33,0x36,0x38,
+    0x35,0x36,0x32,0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,0x31,0x32,0x35,
+    0x2c,0x20,0x30,0x2e,0x30,0x30,0x33,0x39,0x32,0x31,0x35,0x36,0x38,0x38,0x35,0x39,
+    0x33,0x36,0x38,0x35,0x36,0x32,0x36,0x39,0x38,0x33,0x36,0x34,0x32,0x35,0x37,0x38,
+    0x31,0x32,0x35,0x2c,0x20,0x30,0x2e,0x30,0x29,0x2c,0x20,0x5f,0x32,0x33,0x29,0x3b,
+    0x0a,0x7d,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,
+    0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x20,0x70,0x61,0x72,0x61,
+    0x6d,0x20,0x3d,0x20,0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x2e,0x78,0x20,0x2f,0x20,
+    0x70,0x72,0x6f,0x6a,0x5f,0x7a,0x77,0x2e,0x79,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,
+    0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x65,0x6e,0x63,0x6f,
+    0x64,0x65,0x5f,0x64,0x65,0x70,0x74,0x68,0x28,0x70,0x61,0x72,0x61,0x6d,0x29,0x3b,
+    0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    uniform vec4 vs_display_params[13];
+    layout(location = 0) in vec4 pos;
+    layout(location = 1) out vec4 light_proj_pos;
+    layout(location = 2) out vec4 world_pos;
+    layout(location = 3) out vec3 world_norm;
+    layout(location = 1) in vec3 norm;
+    layout(location = 0) out vec3 color;
+
+    void main()
+    {
+        gl_Position = mat4(vs_display_params[0], vs_display_params[1], vs_display_params[2], vs_display_params[3]) * pos;
+        light_proj_pos = mat4(vs_display_params[8], vs_display_params[9], vs_display_params[10], vs_display_params[11]) * pos;
+        mat4 _39 = mat4(vs_display_params[4], vs_display_params[5], vs_display_params[6], vs_display_params[7]);
+        world_pos = _39 * pos;
+        world_norm = normalize((_39 * vec4(norm, 0.0)).xyz);
+        color = vs_display_params[12].xyz;
+    }
+
+*/
+static const uint8_t vs_display_source_glsl410[777] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x64,0x69,
+    0x73,0x70,0x6c,0x61,0x79,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,0x33,0x5d,
+    0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
+    0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,
+    0x6f,0x73,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,
+    0x69,0x6f,0x6e,0x20,0x3d,0x20,0x31,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,
+    0x34,0x20,0x6c,0x69,0x67,0x68,0x74,0x5f,0x70,0x72,0x6f,0x6a,0x5f,0x70,0x6f,0x73,
+    0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
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+    0x33,0x20,0x6e,0x6f,0x72,0x6d,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,
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+};
+/*
+    #version 410
+
+    uniform vec4 fs_display_params[2];
+    uniform sampler2D shadow_map_shadow_sampler;
+
+    layout(location = 3) in vec3 world_norm;
+    layout(location = 1) in vec4 light_proj_pos;
+    layout(location = 2) in vec4 world_pos;
+    layout(location = 0) out vec4 frag_color;
+    layout(location = 0) in vec3 color;
+
+    float decodeDepth(vec4 rgba)
+    {
+        return dot(rgba, vec4(1.0, 0.0039215688593685626983642578125, 1.5378700481960549950599670410156e-05, 6.0308629201699659461155533790588e-08));
+    }
+
+    float sample_shadow(vec2 uv, float compare, sampler2D SPIRV_Cross_Combinedtexsmp)
+    {
+        vec4 param = texture(SPIRV_Cross_Combinedtexsmp, vec2(uv.x, uv.y));
+        return step(compare, decodeDepth(param));
+    }
+
+    float sample_shadow_pcf(vec3 uv_depth, vec2 sm_size, sampler2D SPIRV_Cross_Combinedtexsmp)
+    {
+        float result = 0.0;
+        for (int x = -2; x <= 2; x++)
+        {
+            for (int y = -2; y <= 2; y++)
+            {
+                vec2 param = uv_depth.xy + (vec2(float(x), float(y)) / sm_size);
+                float param_1 = uv_depth.z;
+                result += sample_shadow(param, param_1, SPIRV_Cross_Combinedtexsmp);
+            }
+        }
+        return result * 0.039999999105930328369140625;
+    }
+
+    vec4 gamma(vec4 c)
+    {
+        return vec4(pow(c.xyz, vec3(0.4545454680919647216796875)), c.w);
+    }
+
+    void main()
+    {
+        vec3 _161 = normalize(fs_display_params[0].xyz);
+        vec3 _166 = normalize(world_norm);
+        float _170 = dot(_166, _161);
+        if (_170 > 0.0)
+        {
+            vec3 _184 = light_proj_pos.xyz / vec3(light_proj_pos.w);
+            vec3 param = vec3((_184.xy + vec2(1.0)) * 0.5, _184.z);
+            vec2 param_1 = vec2(textureSize(shadow_map_shadow_sampler, 0));
+            float _202 = sample_shadow_pcf(param, param_1, shadow_map_shadow_sampler);
+            frag_color = vec4(vec3((pow(max(dot(reflect(-_161, _166), normalize(fs_display_params[1].xyz - world_pos.xyz)), 0.0), 2.2000000476837158203125) * _170) * _202) + (color * (max(_170 * _202, 0.0) + 0.25)), 1.0);
+        }
+        else
+        {
+            frag_color = vec4(color * 0.25, 1.0);
+        }
+        vec4 param_2 = frag_color;
+        frag_color = gamma(param_2);
+    }
+
+*/
+static const uint8_t fs_display_source_glsl410[2060] = {
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+};
+/*
+    #version 410
+
+    layout(location = 0) in vec2 pos;
+    layout(location = 0) out vec2 uv;
+
+    void main()
+    {
+        gl_Position = vec4((pos * 2.0) - vec2(1.0), 0.5, 1.0);
+        uv = pos;
+        gl_Position.y = -gl_Position.y;
+    }
+
+*/
+static const uint8_t vs_dbg_source_glsl410[210] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
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+    0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x32,0x20,0x75,0x76,
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+    0x0a,0x00,
+};
+/*
+    #version 410
+
+    uniform sampler2D dbg_tex_dbg_smp;
+
+    layout(location = 0) in vec2 uv;
+    layout(location = 0) out vec4 frag_color;
+
+    float decodeDepth(vec4 rgba)
+    {
+        return dot(rgba, vec4(1.0, 0.0039215688593685626983642578125, 1.5378700481960549950599670410156e-05, 6.0308629201699659461155533790588e-08));
+    }
+
+    void main()
+    {
+        vec4 param = texture(dbg_tex_dbg_smp, uv);
+        float _40 = decodeDepth(param);
+        frag_color = vec4(_40, _40, _40, 1.0);
+    }
+
+*/
+static const uint8_t fs_dbg_source_glsl410[450] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
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+    0x30,0x31,0x36,0x39,0x39,0x36,0x35,0x39,0x34,0x36,0x31,0x31,0x35,0x35,0x35,0x33,
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+    0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,
+    0x72,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x5f,0x34,0x30,0x2c,0x20,0x5f,0x34,
+    0x30,0x2c,0x20,0x5f,0x34,0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,
+    0x0a,0x00,
+};
+static inline const sg_shader_desc* dbg_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_dbg_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_dbg_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.images[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
+            desc.images[0].multisampled = false;
+            desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
+            desc.image_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.image_sampler_pairs[0].image_slot = 0;
+            desc.image_sampler_pairs[0].sampler_slot = 0;
+            desc.image_sampler_pairs[0].glsl_name = "dbg_tex_dbg_smp";
+            desc.label = "dbg_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
+static inline const sg_shader_desc* display_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_display_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_display_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.attrs[1].glsl_name = "norm";
+            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
+            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[0].size = 208;
+            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 13;
+            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_display_params";
+            desc.uniform_blocks[1].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.uniform_blocks[1].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[1].size = 32;
+            desc.uniform_blocks[1].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[1].glsl_uniforms[0].array_count = 2;
+            desc.uniform_blocks[1].glsl_uniforms[0].glsl_name = "fs_display_params";
+            desc.images[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
+            desc.images[0].multisampled = false;
+            desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
+            desc.image_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT;
+            desc.image_sampler_pairs[0].image_slot = 0;
+            desc.image_sampler_pairs[0].sampler_slot = 0;
+            desc.image_sampler_pairs[0].glsl_name = "shadow_map_shadow_sampler";
+            desc.label = "display_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
+static inline const sg_shader_desc* shadow_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_shadow_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_shadow_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "pos";
+            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
+            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[0].size = 64;
+            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4;
+            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_shadow_params";
+            desc.label = "shadow_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
diff --git a/bin/shaderbin/shader_gen_shapes.h b/bin/shaderbin/shader_gen_shapes.h
new file mode 100644
index 0000000..2fb7ff5
--- /dev/null
+++ b/bin/shaderbin/shader_gen_shapes.h
@@ -0,0 +1,168 @@
+#pragma once
+/*
+    #version:1# (machine generated, don't edit!)
+
+    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
+
+    Cmdline:
+        sokol-shdc -i ./projects/examples/samples/shapes-sapp.glsl -o F:\dev\luajit\repos\sokol-luajit\bin\shaderbin\shader_gen_shapes.h -l glsl410 -f sokol
+
+    Overview:
+    =========
+    Shader program: 'shapes':
+        Get shader desc: shapes_shader_desc(sg_query_backend());
+        Vertex Shader: vs_shapes
+        Fragment Shader: fs_shapes
+        Attributes:
+            ATTR_shapes_position => 0
+            ATTR_shapes_normal => 1
+            ATTR_shapes_texcoord => 2
+            ATTR_shapes_color0 => 3
+    Bindings:
+        Uniform block 'vs_params':
+            C struct: vs_params_t
+            Bind slot: UB_vs_params => 0
+*/
+#if !defined(SOKOL_GFX_INCLUDED)
+#error "Please include sokol_gfx.h before shader_gen_shapes.h"
+#endif
+#if !defined(SOKOL_SHDC_ALIGN)
+#if defined(_MSC_VER)
+#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
+#else
+#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
+#endif
+#endif
+#define ATTR_shapes_position (0)
+#define ATTR_shapes_normal (1)
+#define ATTR_shapes_texcoord (2)
+#define ATTR_shapes_color0 (3)
+#define UB_vs_params (0)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_params_t {
+    hmm_mat4 mvp;
+    float draw_mode;
+    uint8_t _pad_68[12];
+} vs_params_t;
+#pragma pack(pop)
+/*
+    #version 410
+
+    uniform vec4 vs_params[5];
+    layout(location = 0) in vec4 position;
+    layout(location = 0) out vec4 color;
+    layout(location = 1) in vec3 normal;
+    layout(location = 2) in vec2 texcoord;
+    layout(location = 3) in vec4 color0;
+
+    void main()
+    {
+        gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * position;
+        if (vs_params[4].x == 0.0)
+        {
+            color = vec4((normal + vec3(1.0)) * 0.5, 1.0);
+        }
+        else
+        {
+            if (vs_params[4].x == 1.0)
+            {
+                color = vec4(texcoord, 0.0, 1.0);
+            }
+            else
+            {
+                color = color0;
+            }
+        }
+    }
+
+*/
+static const uint8_t vs_shapes_source_glsl410[621] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x70,0x61,
+    0x72,0x61,0x6d,0x73,0x5b,0x35,0x5d,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,
+    0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,
+    0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,
+    0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,
+    0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x63,0x6f,
+    0x6c,0x6f,0x72,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,
+    0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x31,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,
+    0x33,0x20,0x6e,0x6f,0x72,0x6d,0x61,0x6c,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,
+    0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x32,0x29,0x20,0x69,
+    0x6e,0x20,0x76,0x65,0x63,0x32,0x20,0x74,0x65,0x78,0x63,0x6f,0x6f,0x72,0x64,0x3b,
+    0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,
+    0x20,0x3d,0x20,0x33,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x63,0x6f,
+    0x6c,0x6f,0x72,0x30,0x3b,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,
+    0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,
+    0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x6d,0x61,0x74,0x34,0x28,0x76,0x73,0x5f,0x70,
+    0x61,0x72,0x61,0x6d,0x73,0x5b,0x30,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x70,0x61,0x72,
+    0x61,0x6d,0x73,0x5b,0x31,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,
+    0x73,0x5b,0x32,0x5d,0x2c,0x20,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,
+    0x33,0x5d,0x29,0x20,0x2a,0x20,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,
+    0x20,0x20,0x20,0x20,0x69,0x66,0x20,0x28,0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,
+    0x73,0x5b,0x34,0x5d,0x2e,0x78,0x20,0x3d,0x3d,0x20,0x30,0x2e,0x30,0x29,0x0a,0x20,
+    0x20,0x20,0x20,0x7b,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x63,0x6f,0x6c,
+    0x6f,0x72,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x28,0x6e,0x6f,0x72,0x6d,0x61,
+    0x6c,0x20,0x2b,0x20,0x76,0x65,0x63,0x33,0x28,0x31,0x2e,0x30,0x29,0x29,0x20,0x2a,
+    0x20,0x30,0x2e,0x35,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,
+    0x7d,0x0a,0x20,0x20,0x20,0x20,0x65,0x6c,0x73,0x65,0x0a,0x20,0x20,0x20,0x20,0x7b,
+    0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x69,0x66,0x20,0x28,0x76,0x73,0x5f,
+    0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x34,0x5d,0x2e,0x78,0x20,0x3d,0x3d,0x20,0x31,
+    0x2e,0x30,0x29,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x7b,0x0a,0x20,0x20,
+    0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x20,
+    0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x74,0x65,0x78,0x63,0x6f,0x6f,0x72,0x64,0x2c,
+    0x20,0x30,0x2e,0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,
+    0x20,0x20,0x20,0x20,0x7d,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x65,0x6c,
+    0x73,0x65,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x7b,0x0a,0x20,0x20,0x20,
+    0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,
+    0x20,0x63,0x6f,0x6c,0x6f,0x72,0x30,0x3b,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
+    0x20,0x7d,0x0a,0x20,0x20,0x20,0x20,0x7d,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #version 410
+
+    layout(location = 0) out vec4 frag_color;
+    layout(location = 0) in vec4 color;
+
+    void main()
+    {
+        frag_color = color;
+    }
+
+*/
+static const uint8_t fs_shapes_source_glsl410[135] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
+    0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x66,0x72,0x61,0x67,
+    0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,
+    0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,
+    0x76,0x65,0x63,0x34,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x0a,0x76,0x6f,0x69,
+    0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,
+    0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x63,0x6f,0x6c,0x6f,
+    0x72,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+static inline const sg_shader_desc* shapes_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_shapes_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_shapes_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "position";
+            desc.attrs[1].glsl_name = "normal";
+            desc.attrs[2].glsl_name = "texcoord";
+            desc.attrs[3].glsl_name = "color0";
+            desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
+            desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
+            desc.uniform_blocks[0].size = 80;
+            desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 5;
+            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_params";
+            desc.label = "shapes_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
diff --git a/bin/shaderbin/shader_gen_triangle.h b/bin/shaderbin/shader_gen_triangle.h
new file mode 100644
index 0000000..6de300a
--- /dev/null
+++ b/bin/shaderbin/shader_gen_triangle.h
@@ -0,0 +1,102 @@
+#pragma once
+/*
+    #version:1# (machine generated, don't edit!)
+
+    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
+
+    Cmdline:
+        sokol-shdc -i ./projects/examples/samples/triangle-sapp.glsl -o F:\dev\luajit\repos\sokol-luajit\bin\shaderbin\shader_gen_triangle.h -l glsl410 -f sokol
+
+    Overview:
+    =========
+    Shader program: 'triangle':
+        Get shader desc: triangle_shader_desc(sg_query_backend());
+        Vertex Shader: vs_triangle
+        Fragment Shader: fs_triangle
+        Attributes:
+            ATTR_triangle_position => 0
+            ATTR_triangle_color0 => 1
+    Bindings:
+*/
+#if !defined(SOKOL_GFX_INCLUDED)
+#error "Please include sokol_gfx.h before shader_gen_triangle.h"
+#endif
+#if !defined(SOKOL_SHDC_ALIGN)
+#if defined(_MSC_VER)
+#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
+#else
+#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
+#endif
+#endif
+#define ATTR_triangle_position (0)
+#define ATTR_triangle_color0 (1)
+/*
+    #version 410
+
+    layout(location = 0) in vec4 position;
+    layout(location = 0) out vec4 color;
+    layout(location = 1) in vec4 color0;
+
+    void main()
+    {
+        gl_Position = position;
+        color = color0;
+    }
+
+*/
+static const uint8_t vs_triangle_source_glsl410[194] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
+    0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x30,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,0x69,0x74,
+    0x69,0x6f,0x6e,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,
+    0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,
+    0x63,0x34,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,
+    0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x31,0x29,0x20,0x69,
+    0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x30,0x3b,0x0a,0x0a,
+    0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,
+    0x20,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x20,0x20,0x20,0x20,0x63,0x6f,
+    0x6c,0x6f,0x72,0x20,0x3d,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x30,0x3b,0x0a,0x7d,0x0a,
+    0x0a,0x00,
+};
+/*
+    #version 410
+
+    layout(location = 0) out vec4 frag_color;
+    layout(location = 0) in vec4 color;
+
+    void main()
+    {
+        frag_color = color;
+    }
+
+*/
+static const uint8_t fs_triangle_source_glsl410[135] = {
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x6c,0x61,
+    0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,
+    0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x66,0x72,0x61,0x67,
+    0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,
+    0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x69,0x6e,0x20,
+    0x76,0x65,0x63,0x34,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x0a,0x76,0x6f,0x69,
+    0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x66,
+    0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x63,0x6f,0x6c,0x6f,
+    0x72,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+static inline const sg_shader_desc* triangle_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vertex_func.source = (const char*)vs_triangle_source_glsl410;
+            desc.vertex_func.entry = "main";
+            desc.fragment_func.source = (const char*)fs_triangle_source_glsl410;
+            desc.fragment_func.entry = "main";
+            desc.attrs[0].glsl_name = "position";
+            desc.attrs[1].glsl_name = "color0";
+            desc.label = "triangle_shader";
+        }
+        return &desc;
+    }
+    return 0;
+}
diff --git a/engine/platform.lua b/engine/platform.lua
new file mode 100644
index 0000000..3dc3bd1
--- /dev/null
+++ b/engine/platform.lua
@@ -0,0 +1,306 @@
+
+local ffi = require("ffi")
+
+win = {}
+
+-- --------------------------------------------------------------------------------------
+-- Windows stuff
+if ffi.os == "Windows" then
+local shell32   = ffi.load("shell32")
+
+-- TODO: Need equivalents for OSX and Linux - probably should go in a systems utils.
+ffi.cdef[[
+    typedef char CHAR;
+    typedef uint8_t BYTE;
+    typedef uint32_t UINT;
+    typedef unsigned short WORD;
+    typedef unsigned long DWORD;
+    typedef void* HINSTANCE;
+    typedef void* LPARAM;
+    typedef const char* LPCSTR;
+    typedef char* LPSTR;
+    typedef const void * HWND;
+    typedef void* LPVOID;
+    typedef int BOOL;
+
+    typedef struct RECT {
+        int x, y, w, h;
+    } RECT;
+
+    typedef struct _ITEMIDLIST {
+        BYTE mkid[1];
+    } ITEMIDLIST, *LPITEMIDLIST;
+    
+    typedef int (__stdcall *BFFCALLBACK)(HWND, UINT, LPARAM, LPARAM);
+    
+    typedef struct {
+        HWND        hwndOwner;
+        LPCSTR      pidlRoot;
+        LPSTR       pszDisplayName;
+        LPCSTR      lpszTitle;
+        UINT        ulFlags;
+        BFFCALLBACK lpfn;
+        LPARAM      lParam;
+        int         iImage;
+    } BROWSEINFOA;   
+
+    typedef struct tagOPENFILENAMEA {
+    DWORD        lStructSize;
+    HWND         hwndOwner;
+    HINSTANCE    hInstance;
+    LPCSTR       lpstrFilter;
+    LPSTR        lpstrCustomFilter;
+    DWORD        nMaxCustFilter;
+    DWORD        nFilterIndex;
+    LPSTR        lpstrFile;
+    DWORD        nMaxFile;
+    LPSTR        lpstrFileTitle;
+    DWORD        nMaxFileTitle;
+    LPCSTR       lpstrInitialDir;
+    LPCSTR       lpstrTitle;
+    DWORD        Flags;
+    WORD         nFileOffset;
+    WORD         nFileExtension;
+    LPCSTR       lpstrDefExt;
+    LPARAM       lCustData;
+    void*        lpfnHook;
+    LPCSTR       lpTemplateName;
+    void*        pvReserved;
+    DWORD        dwReserved;
+    DWORD        FlagsEx;
+    } OPENFILENAMEA;
+
+    bool GetOpenFileNameA(OPENFILENAMEA *ofn);
+    
+    LPITEMIDLIST SHBrowseForFolderA(BROWSEINFOA *bi);
+    BOOL SHGetPathFromIDListA(LPITEMIDLIST pidl, LPSTR pszPath);
+
+    void Sleep(uint32_t ms);
+
+    // Get the size of screen to the variable desktop
+    HWND GetDesktopWindow();
+    int GetWindowRect(HWND hwnd, RECT *hrect);    
+    int ShowWindow(HWND hWnd, int nCmdShow);
+    int SetWindowPos( HWND hWnd, int hWndInsertAfter, int X, int Y, int cx, int cy, uint32_t uFlags);
+]]
+
+local HWND_TOP          = 0x00 
+
+local SWP_NOSIZE        = 0x01
+local SW_SHOWMINIMIZED  = 0x02
+local SW_MAXIMIZE       = 0x03
+
+local comdlg32 = ffi.load("comdlg32")
+local shell32 = ffi.load("shell32")
+
+win.ShowWindow  = function(hwnd, cmd)
+    if(cmd == 0) then
+        ffi.C.ShowWindow(hwnd, SW_SHOWMINIMIZED)
+    else 
+        ffi.C.ShowWindow(hwnd, SW_MAXIMIZE)
+    end
+end
+win.Sleep       = ffi.C.Sleep
+
+win.SetWindowPos = function(hwnd, x, y, w, h) 
+    ffi.C.SetWindowPos(hwnd, HWND_TOP, x, y, w, h, 0)
+end
+
+win.DetectDisplay = function()
+    local desktop = ffi.new("RECT[1]")
+    -- Get a handle to the desktop window
+    local hDesktop = ffi.C.GetDesktopWindow()
+    ffi.C.GetWindowRect(hDesktop, desktop)
+    return desktop[0].w, desktop[0].h
+end 
+
+win.FileSelect  = function()
+    -- buffer for returned file path
+    local pathBuf = ffi.new("char[260]")  -- MAX_PATH
+
+    local ofn = ffi.new("OPENFILENAMEA")
+    ofn.lStructSize = ffi.sizeof(ofn)
+    ofn.hwndOwner = nil
+    ofn.lpstrFilter = "All Files\0*.*\0\0"   -- Double null terminated
+    ofn.lpstrFile = pathBuf
+    ofn.nMaxFile = 260
+    ofn.Flags = 0x00080000 + 0x00001000     -- OFN_EXPLORER + OFN_FILEMUSTEXIST
+
+    local result = comdlg32.GetOpenFileNameA(ofn)
+
+    if result then
+        pprint("Selected file:", ffi.string(pathBuf))
+        return ffi.string(pathBuf)
+    else
+        pprint("No file selected (or dialog canceled).")
+        return nil
+    end
+end
+
+win.FolderSelect  = function()
+
+    local pathBuf = ffi.new("char[260]")  -- MAX_PATH
+    local displayBuf = ffi.new("char[260]")
+    
+    local bi = ffi.new("BROWSEINFOA")
+    bi.hwndOwner = nil
+    bi.pidlRoot = nil                     -- start at Desktop
+    bi.pszDisplayName = displayBuf
+    bi.lpszTitle = "Select a folder:"
+    bi.ulFlags = 0x0001 + 0x00000040 + 0x00000100
+    
+    local pidl = shell32.SHBrowseForFolderA(bi)
+    
+    if pidl ~= nil then
+        if shell32.SHGetPathFromIDListA(pidl, pathBuf) ~= 0 then
+            pprint("Selected folder:", ffi.string(pathBuf))
+            return ffi.string(pathBuf)
+        else
+            pprint("Folder picked, but path could not be retrieved.")
+            return nil
+        end
+    else
+        pprint("User canceled.")
+        return nil
+    end
+end    
+
+end
+
+
+-- --------------------------------------------------------------------------------------
+-- Linux stuff
+if ffi.os == "Linux" then
+
+ffi.cdef[[
+typedef unsigned long Colormap;
+
+typedef struct _Screen {
+    int width;           /* width of the screen in pixels */
+    int height;          /* height of the screen in pixels */
+    int mwidth;          /* width of the screen in millimeters */
+    int mheight;         /* height of the screen in millimeters */
+    int root;            /* the root window of the screen */
+    int root_depth;      /* the depth of the root window */
+    void *root_visual;   /* the root window visual */
+    Colormap default_colormap;  /* the default colormap */
+    int white_pixel;     /* white pixel value */
+    int black_pixel;     /* black pixel value */
+    int my_num;          /* screen number */
+    bool is_installed;   /* indicates whether the screen is installed */
+    void *saver;         /* screen saver properties (if any) */
+} Screen;
+
+typedef unsigned long Atom;
+typedef unsigned long Window;
+typedef struct _XDisplay Display;
+typedef struct _XEvent {
+    union {
+        struct {
+            unsigned long window;
+            int type;
+            int format;
+            Atom message_type;
+            long data[5];
+        } xclient;
+    };
+} XEvent;
+
+void usleep(unsigned int usec);
+
+Display* XOpenDisplay(const char* display_name);
+Window XRootWindow(Display* display, int screen_number);
+int XGetWindowProperty(Display* display, Window w, Atom property, long long_offset,
+    long long_length, int delete, Atom req_type, Atom* actual_type,
+    int* actual_format, unsigned long* nitems,
+    unsigned long* bytes_after, unsigned char** prop);
+int XSendEvent(Display* display, Window w, int propagate, long event_mask, XEvent* event);
+Atom XInternAtom(Display* display, const char* name, int only_if_exists);
+int XCloseDisplay(Display* display);
+Screen *DefaultScreenOfDisplay(Display *display);
+
+// Constants
+#define AnyPropertyType 0
+]]
+
+-- Load the X11 library
+local X11 = ffi.load("X11")
+
+win.Sleep       = function(ms) ffi.C.usleep(ms * 1000) end
+
+
+-- Function to maximize a window
+local function maximizeWindow(win)
+    -- Open the display
+    local display = X11.XOpenDisplay(nil)
+    if display == nil then
+        error("Unable to open X display")
+    end
+
+    -- Create the event structure
+    local ev = ffi.new("XEvent[1]")
+
+    -- Set up the event for the window maximize
+    ev[0].xclient.window = win
+    ev[0].xclient.type = 33  -- ClientMessage event type
+    ev[0].xclient.format = 32
+    ev[0].xclient.message_type = X11.XInternAtom(display, "_NET_WM_STATE", 0)
+    ev[0].xclient.data[0] = 1  -- Set to 1 to indicate we want to add the state
+    ev[0].xclient.data[1] = X11.XInternAtom(display, "_NET_WM_STATE_MAXIMIZED_HORIZ", 0)
+    ev[0].xclient.data[2] = X11.XInternAtom(display, "_NET_WM_STATE_MAXIMIZED_VERT", 0)
+    ev[0].xclient.data[3] = 1  -- 1 means "active" or "add" to the state
+
+    -- Send the event to the root window
+    X11.XSendEvent(display, 0, false, 0x00000008, ev)  -- SubstructureNotifyMask
+    X11.XCloseDisplay(display)
+end
+
+-- --------------------------------------------------------------------------------------
+-- TODO: ShowWindow not working properly on Linux yet
+win.ShowWindow  = function(hwnd, state)
+    -- Open the display
+    local display = X11.XOpenDisplay(hwnd)
+    if display == nil then
+        error("Unable to open X display")
+    end
+
+    -- auto display = XOpenDisplay(NULL);
+    -- Get the root window (or get the window ID through other methods if needed)
+    local root_window = X11.XRootWindow(display, 0)
+
+    -- Example usage: Get the active window and maximize it
+    local NET_ACTIVE_WINDOW = X11.XInternAtom(display, "_NET_ACTIVE_WINDOW", 0)
+    local prop = ffi.new("unsigned char*[1]")
+    local actual_type = ffi.new("Atom[1]")
+    local actual_format = ffi.new("int[1]")
+    local nitems = ffi.new("unsigned long[1]")
+    local bytes_after = ffi.new("unsigned long[1]")
+
+    -- Fetch the active window ID
+    local result = X11.XGetWindowProperty(display, root_window, NET_ACTIVE_WINDOW, 0, 1024, 0, 0,
+                                        actual_type, actual_format, nitems, bytes_after, prop)
+
+    if result == 0 then  -- Success
+        -- Dereference the window ID
+        local window_id = ffi.cast("Window", ffi.cast("intptr_t", ffi.cast("void*", prop[0])))
+
+        -- Call the maximizeWindow function
+        maximizeWindow(window_id)
+        pprint("Window maximized successfully!")
+
+    else
+        pprint("Failed to fetch active window.")
+    end
+    pprint("Window resized successfully.")
+end
+
+win.DetectDisplay = function()
+    local display = X11.XOpenDisplay(hwnd)
+    if display == nil then
+        error("Unable to open X display")
+    end
+    local s = X11.DefaultScreenOfDisplay(display)
+    return s.width, s.height
+end 
+
+end
diff --git a/engine/renderer.lua b/engine/renderer.lua
index 8369267..85c5779 100644
--- a/engine/renderer.lua
+++ b/engine/renderer.lua
@@ -3,7 +3,7 @@ local stb           = require("stb")
 local nk            = sg
 
 local utils         = require("lua.utils")
--- require("engine.nuklear")
+require("src.nuklear")
 
 local ffi           = require("ffi")
 
@@ -34,6 +34,7 @@ renderer = {
     ctx             = nil,
     all_fonts       = {},
     cursor          = { name = "arrow", rect = { position = {x=0,y=0}, size ={x=1,y=1} } },
+    dt              = 1.0 / 60.0,
 }
 
 renderer.font = {
@@ -83,9 +84,9 @@ end
 
 -- --------------------------------------------------------------------------------------
 
-local function fix_tab_glyph(glyph, space)
+local function fix_tab_glyph(glyph, space_size)
 
-    glyph[0].xadvance = space * 4
+    glyph[0].xadvance = space_size
     glyph[0].w, glyph[0].h = 0, 0
     glyph[0].x0, glyph[0].y0, glyph[0].x1, glyph[0].y1 = 0, 0, 0, 0
     glyph[0].u0, glyph[0].v0, glyph[0].u1, glyph[0].v1 = 0, 0, 0, 0
@@ -96,13 +97,12 @@ end
 local rune_ranges = ffi.new("nk_rune[9]", {
     0x0009, 0x000A, -- tab
     0x0020, 0x00FF, -- basic Latin + Latin-1
-    0x2500, 0x2BFF, -- box-drawing, arrows
     0xE000, 0xF8FF, -- private use / Nerd Font symbols
     0
 })
 
 local fa_rune_ranges = ffi.new("nk_rune[9]", {
-    0xE000, 0xF8FF, -- private use / Nerd Font symbols
+    0xE000, 0xF8FF, -- only font awesome glyph ranges
     0
 })
 
@@ -176,7 +176,7 @@ local function load_font(font_path, font_size)
         
         local glyph = find_glyph(font.font, 9)
         local space = get_glyph_xadvance(font.font.handle.userdata, 32)    
-        if(glyph) then fix_tab_glyph(glyph, space) end
+        if(glyph) then fix_tab_glyph(glyph, space * 4) end
         
         -- atlas[0].config.range = rune_ranges -- nk.nk_font_default_glyph_ranges()
     end 
@@ -189,7 +189,7 @@ local function load_font(font_path, font_size)
     image = nk.nk_font_atlas_bake(atlas, master_img_width, master_img_height, nk.NK_FONT_ATLAS_RGBA32)
     local glyph = find_glyph(new_font, 9)
     local space = get_glyph_xadvance(new_font.handle.userdata, 32)    
-    if(glyph) then fix_tab_glyph(glyph, space) end
+    if(glyph) then fix_tab_glyph(glyph, space * 4) end
 
 
     local nk_img = font_atlas_img(image, true)
@@ -202,7 +202,14 @@ local function load_font(font_path, font_size)
     local tab_size = get_glyph_xadvance(new_font.handle.userdata, 9)
 
     -- print(master_img_width[0], master_img_height[0], tab_size)
-    local new_font_tbl = { tab_width = tab_size, font = new_font, path = font_path, size = font_size, cfg = nil }
+    local new_font_tbl = { 
+        tab_width = tab_size, 
+        tab_glyph = glyph,
+        font = new_font, 
+        path = font_path, 
+        size = font_size, 
+        cfg = nil 
+    }
     tinsert(fonts, new_font_tbl)
 
     return new_font_tbl
@@ -221,14 +228,14 @@ renderer.font.load = function(path, size)
     if(new_font == nil) then return nil end
     new_font.set_tab_width = function(self, width) 
         if(width == self.tab_width) then return end
-        adjust_glyph( self.font.handle.userdata, 9, width )
+        fix_tab_glyph( self.tab_glyph, width )
         self.tab_width = width
     end
     new_font.get_tab_width = function(self, width)
         return self.tab_width 
     end
     new_font.get_width = function(self, text) 
-        if(text==nil) then print(debug.traceback()) end
+        if(text==nil) then pprint(debug.traceback()) end
         local text = checkstring(text)
         return self.font.handle.width(self.font.handle.userdata, self.font.handle.height, text, #text)
     end
@@ -248,6 +255,7 @@ end
 -- --------------------------------------------------------------------------------------
 
 renderer.show_debug     = function(enable) 
+    -- rencache.rencache_show_debug(enable)
 end
 
 -- --------------------------------------------------------------------------------------
@@ -259,30 +267,44 @@ end
 -- --------------------------------------------------------------------------------------
 -- Not really needed
 renderer.begin_frame    = function()
+    -- rencache.rencache_begin_frame()
 end
 
 -- --------------------------------------------------------------------------------------
 -- Hrm.. needed?
 renderer.end_frame      = function() 
-
+    -- rencache.rencache_end_frame()
 end
 
 -- --------------------------------------------------------------------------------------
 
 renderer.set_clip_rect  = function(x, y, w, h) 
     nuklear_renderer.set_clip_rect(x, y, w, h)
+    -- rencache.rencache_set_clip_rect(x, y, w, h)
 end
 
 -- --------------------------------------------------------------------------------------
 
 renderer.draw_rect      = function(x, y, w, h, color) 
     nuklear_renderer.draw_rect(x, y, w, h, color)
+    -- rencache.rencache_draw_rect(x, y, w, h, color)
 end
 
 -- --------------------------------------------------------------------------------------
 
 renderer.draw_text      = function(font, text, x, y, color) 
     return nuklear_renderer.draw_text(font, text, x, y, color)
+    -- return rencache.rencache_draw_text(font, text, x, y, color)
+end
+
+-- --------------------------------------------------------------------------------------
+
+renderer.enable_cursor   = function(enable)
+    if(enable == true) then 
+        nk.nk_style_show_cursor(renderer.ctx)
+    else 
+        nk.nk_style_hide_cursor(renderer.ctx)
+    end
 end
 
 -- --------------------------------------------------------------------------------------
@@ -298,6 +320,7 @@ end
 renderer.load_image      = function(filename, no_ui) 
     local img, img_info = nuklear_renderer.load_image(filename, no_ui) 
     return img, img_info
+    -- return rencache.rencache_draw_text(font, text, x, y, color)
 end
   
 -- --------------------------------------------------------------------------------------
@@ -305,18 +328,29 @@ end
 renderer.load_image_buffer = function(name, buf, bufsize, no_ui) 
     local img, img_info = nuklear_renderer.load_image_buffer(name, buf, bufsize, no_ui) 
     return img, img_info
+    -- return rencache.rencache_draw_text(font, text, x, y, color)
 end
   
+renderer.make_nk_handle  = function( sg_img_desc )
+    local new_img = sg.sg_make_image(sg_img_desc) 
+    local img_desc = ffi.new("snk_image_desc_t[1]")
+    img_desc[0].image = new_img
+    local snk_img = nk.snk_make_image(img_desc)
+    local nk_hnd = nk.snk_nkhandle(snk_img)
+    return nk.nk_image_handle(nk_hnd)
+end
 -- --------------------------------------------------------------------------------------
 
 renderer.draw_image      = function(image, x, y, w, h) 
     return nuklear_renderer.draw_image(image, x, y, w, h) 
+    -- return rencache.rencache_draw_text(font, text, x, y, color)
 end
   
 -- --------------------------------------------------------------------------------------
 
-renderer.load_model      = function(filename) 
-    return threed_renderer.load_model(filename) 
+renderer.load_model      = function(filename, params) 
+    return threed_renderer.load_model(filename, params) 
+    -- return rencache.rencache_draw_text(font, text, x, y, color)
 end
 
 -- --------------------------------------------------------------------------------------
@@ -328,6 +362,13 @@ end
 
 -- --------------------------------------------------------------------------------------
 
+renderer.hide_model      = function(model) 
+
+    return threed_renderer.hide_model(model)
+end 
+
+-- --------------------------------------------------------------------------------------
+
 renderer.set_cursor      = function()
     nuklear_renderer.set_cursor()
 end
diff --git a/engine/system.lua b/engine/system.lua
new file mode 100644
index 0000000..c313ebe
--- /dev/null
+++ b/engine/system.lua
@@ -0,0 +1,223 @@
+local dirtools  = require("tools.vfs.dirtools").init("worldbuilder")
+
+-- --------------------------------------------------------------------------------------
+
+local sapp        = require("sokol_app")
+local stb         = require("stb")
+local nk          = sg
+
+local platform    = require("src.platform")
+
+local ffi         = require("ffi")
+
+local tinsert     = table.insert
+local tremove 	  = table.remove
+
+-- --------------------------------------------------------------------------------------
+
+local function fuzzy_match(needle, haystack, file_mode)
+  -- Convert to lowercase for case‑insensitive match
+  local n = needle:lower()
+  local h = haystack:lower()
+
+  local nlen = #n
+  local hlen = #h
+
+  if nlen == 0 then
+      return 1  -- empty needle matches with highest score
+  end
+
+  local score = 0
+  local j = 1
+
+  for i = 1, nlen do
+      local c = n:sub(i,i)
+      local found = h:find(c, j, true)
+      if not found then
+          return 0  -- no match
+      end
+      -- reward a match early in the haystack
+      if found == j then
+          score = score + 1
+      end
+      j = found + 1
+  end
+
+  -- normalize score: divide by the haystack length (or some heuristic)
+  local norm = score / hlen
+  return norm
+end
+
+-- --------------------------------------------------------------------------------------
+
+system = {
+	event_queue 		= {}, -- Back buffer events are always collected in.
+	has_focus 			= true,
+    iconified           = false,
+    
+    keychanges          = {},       -- A buffer of most recent key pressed
+    mousechanges        = {},       -- A buffer of most recent mouse button presses
+}
+
+-- --------------------------------------------------------------------------------------
+
+system.push_event = function( ev )
+
+	-- print(ev.type, ev.a, ev.b, ev.c, ev.d)
+	tinsert(system.event_queue, ev)
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.events_clear = function()
+	for i = #system.event_queue, 1, -1 do
+		if system.event_queue[i].processed == true then
+			tremove(system.event_queue, i)
+		end
+	end
+end
+
+-- --------------------------------------------------------------------------------------
+-- This is a double buffered event queue in case events come in while processing
+system.events_buffer = function()
+	local tmp = {}
+	for i, ev in ipairs(system.event_queue) do
+		tinsert(tmp, ev)
+		ev.processed = true 
+	end 
+	system.events_clear()
+	return tmp
+end 
+
+-- --------------------------------------------------------------------------------------
+-- blocking: wait for event, simplified with coroutine or a condition var
+system.wait_event         = function(timeout) 
+	local ticker_end = os.clock() + timeout
+	while #system.event_queue == 0 and os.clock() < ticker_end do
+	end
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.set_cursor         = function(cursor_name, rect) 
+    renderer.cursor = { name = cursor_name, rect = rect }
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.set_window_title   = function(title) 
+    sapp.sapp_set_window_title(title)
+end
+
+-- --------------------------------------------------------------------------------------
+-- Set fullscreen, minimized and maximized etc
+system.set_window_mode    = function(mode, width, height) 
+    -- sapp_is_fullscreen()
+    -- sapp_toggle_fullscreen()
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.window_has_focus   = function() 
+    return system.has_focus
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.show_confirm_dialog= function(title, message) 
+    return false 
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.chdir              = function(path) 
+    -- dirtools.change_dir(path)
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.list_dir           = function(path) 
+	-- print("list_dir", path)
+    return dirtools.get_dir_names(path)
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.absolute_path      = function(path) 
+	-- print("absolute_path")
+    local abspath = dirtools.get_absolute_path(path)
+	return abspath
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.get_file_info      = function(path) 
+	return dirtools.get_fileinfo(path)
+    -- return { modified=0, size=0, type="file" } 
+end
+
+-- --------------------------------------------------------------------------------------
+-- Opens native file selection dialog
+system.file_select      = function(start_path)
+
+    local filename = win.FileSelect()
+    return filename
+end
+
+-- --------------------------------------------------------------------------------------
+-- Opens native file selection dialog
+system.folder_select      = function(start_path)
+
+    return win.FolderSelect()
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.get_clipboard      = function() 
+    return ffi.string(sapp.sapp_get_clipboard_string())
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.set_clipboard      = function(text) 
+    sapp.sapp_set_clipboard_string(ffi.string(text))
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.get_time           = function() 
+    return os.clock()
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.sleep              = function(seconds) 
+    win.Sleep(seconds * 1000) 
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.exec               = function(cmd) 
+	-- cmd = string.format("cmd /c \"%s 2>&1\"", cmd)
+	-- print(cmd)
+    local fh = io.popen(cmd, "r")
+	local results = ""
+	if(fh) then 
+		results = fh:read("*a")
+		fh:close()
+	end 
+	return results
+end
+
+-- --------------------------------------------------------------------------------------
+
+system.fuzzy_match        = function(str, pattern) 
+    return fuzzy_match( pattern, str, false)
+end
+
+-- --------------------------------------------------------------------------------------
+
+-- /* gets the total number of dropped files (after an SAPP_EVENTTYPE_FILES_DROPPED event) */
+-- SOKOL_APP_API_DECL int sapp_get_num_dropped_files(void);
+-- /* gets the dropped file paths */
+-- SOKOL_APP_API_DECL const char* sapp_get_dropped_file_path(int index);
\ No newline at end of file
diff --git a/engine/threed.lua b/engine/threed.lua
new file mode 100644
index 0000000..a122a71
--- /dev/null
+++ b/engine/threed.lua
@@ -0,0 +1,246 @@
+
+local sapp          = require("sokol_app")
+local nk            = sg
+local stb           = require("stb")
+
+local hmm           = require("hmm")
+local hutils        = require("hmm_utils")
+
+local ffi           = require("ffi")
+
+local utils         = require("lua.utils")
+
+local cameramgr     = require("lua.engine.camera_manager")
+local geomutils     = require("lua.loaders.geometry-utils")
+
+local tinsert       = table.insert
+local tremove       = table.remove
+
+-- --------------------------------------------------------------------------------------
+-- TODO: Make better handler for this.
+local MAX_STATES            = 1024
+local CAM_DISTANCE          = 6.0 
+
+-- --------------------------------------------------------------------------------------
+-- This is a global - prob not a great idea, but there should only ever be one per process!
+threed_renderer     = {
+    render_queue        = {},
+    model_load_queue    = {},
+
+    -- A mapped list of model files by the file name
+    --  These indicate whether a model is loaded, if it has an id and if it 
+    --  has had its data initialised
+    model_files         = {},
+
+    default_cam         = cameramgr.add("default", 60.0, 1, 0.01, CAM_DISTANCE * 2),
+} 
+
+-- --------------------------------------------------------------------------------------
+
+local shc       = require("tools.shader_compiler.shc_compile").init( "worldbuilder", false )
+local shader    = nil
+
+-- --------------------------------------------------------------------------------------
+
+threed_renderer.make_cube = function()
+
+    shader    = shader or shc.compile("lua/engine/shaders/cube_simple.glsl")
+    -- Make a fake model to use for testing
+    local state = ffi.new("internal_state[1]")
+    local binding = ffi.new("sg_bindings[1]", {})   
+
+    local vertices = ffi.new("float[168]", {
+        -1.0, -1.0, -1.0,   1.0, 0.0, 0.0, 1.0,
+         1.0, -1.0, -1.0,   1.0, 0.0, 0.0, 1.0,
+         1.0,  1.0, -1.0,   1.0, 0.0, 0.0, 1.0,
+        -1.0,  1.0, -1.0,   1.0, 0.0, 0.0, 1.0,
+
+        -1.0, -1.0,  1.0,   0.0, 1.0, 0.0, 1.0,
+         1.0, -1.0,  1.0,   0.0, 1.0, 0.0, 1.0,
+         1.0,  1.0,  1.0,   0.0, 1.0, 0.0, 1.0,
+        -1.0,  1.0,  1.0,   0.0, 1.0, 0.0, 1.0,
+
+        -1.0, -1.0, -1.0,   0.0, 0.0, 1.0, 1.0,
+        -1.0,  1.0, -1.0,   0.0, 0.0, 1.0, 1.0,
+        -1.0,  1.0,  1.0,   0.0, 0.0, 1.0, 1.0,
+        -1.0, -1.0,  1.0,   0.0, 0.0, 1.0, 1.0,
+
+        1.0, -1.0, -1.0,    1.0, 0.5, 0.0, 1.0,
+        1.0,  1.0, -1.0,    1.0, 0.5, 0.0, 1.0,
+        1.0,  1.0,  1.0,    1.0, 0.5, 0.0, 1.0,
+        1.0, -1.0,  1.0,    1.0, 0.5, 0.0, 1.0,
+
+        -1.0, -1.0, -1.0,   0.0, 0.5, 1.0, 1.0,
+        -1.0, -1.0,  1.0,   0.0, 0.5, 1.0, 1.0,
+         1.0, -1.0,  1.0,   0.0, 0.5, 1.0, 1.0,
+         1.0, -1.0, -1.0,   0.0, 0.5, 1.0, 1.0,
+
+        -1.0,  1.0, -1.0,   1.0, 0.0, 0.5, 1.0,
+        -1.0,  1.0,  1.0,   1.0, 0.0, 0.5, 1.0,
+         1.0,  1.0,  1.0,   1.0, 0.0, 0.5, 1.0,
+         1.0,  1.0, -1.0,   1.0, 0.0, 0.5, 1.0
+    }) 
+    
+    local buffer_desc           = ffi.new("sg_buffer_desc[1]")
+    buffer_desc[0].data.ptr     = vertices
+    buffer_desc[0].data.size    = ffi.sizeof(vertices)
+    buffer_desc[0].label        = "cube-vertices"
+    local vbuf = sg.sg_make_buffer(buffer_desc)
+
+    local indices = ffi.new("uint16_t[36]", {
+        0, 1, 2,  0, 2, 3,
+        6, 5, 4,  7, 6, 4,
+        8, 9, 10,  8, 10, 11,
+        14, 13, 12,  15, 14, 12,
+        16, 17, 18,  16, 18, 19,
+        22, 21, 20,  23, 22, 20
+    })
+
+    local ibuffer_desc          = ffi.new("sg_buffer_desc[1]", {})
+    ibuffer_desc[0].type        = sg.SG_BUFFERTYPE_INDEXBUFFER
+    ibuffer_desc[0].data.ptr    = indices
+    ibuffer_desc[0].data.size   = ffi.sizeof(indices) 
+    ibuffer_desc[0].label       = "cube-indices"
+    local ibuf = sg.sg_make_buffer(ibuffer_desc)
+
+    local shd = sg.sg_make_shader(shader)
+
+    local pipe_desc = ffi.new("sg_pipeline_desc[1]", {})
+    pipe_desc[0].layout.buffers[0].stride = 28
+    pipe_desc[0].layout.attrs[0].format = sg.SG_VERTEXFORMAT_FLOAT3
+    pipe_desc[0].layout.attrs[1].format = sg.SG_VERTEXFORMAT_FLOAT4
+    pipe_desc[0].shader         = shd
+    pipe_desc[0].index_type     = sg.SG_INDEXTYPE_UINT16
+    pipe_desc[0].cull_mode      = sg.SG_CULLMODE_BACK
+    pipe_desc[0].depth.write_enabled = true
+    pipe_desc[0].depth.compare  = sg.SG_COMPAREFUNC_LESS_EQUAL
+    pipe_desc[0].label          = "cube-pipeline"
+    state[0].pip = sg.sg_make_pipeline(pipe_desc)
+
+    binding[0].vertex_buffers[0] = vbuf
+    binding[0].index_buffer     = ibuf
+    state[0].bind               = binding
+
+    return { state = state, binding = binding }
+end
+
+-- --------------------------------------------------------------------------------------
+
+local function render_model( dt, model_rect )
+
+    local aabb = model_rect.model.data.mesh.aabb
+    local maxx = aabb.max.x - aabb.min.x
+    local maxy = aabb.max.y - aabb.min.y
+    local maxz = aabb.max.z - aabb.min.z
+    local maxsize = math.sqrt( maxx * maxx + maxy * maxy + maxz * maxz)
+    local sc = CAM_DISTANCE * 0.85 / maxsize * model_rect.model.scale
+
+    local offset = hmm.HMM_V3(aabb.min.x + maxx * 0.5, aabb.min.y + maxy * 0.5, aabb.min.z + maxz * 0.5)
+    offset.x, offset.y, offset.z = offset.x * sc, offset.y * sc, offset.x * sc
+
+    local w, h      = model_rect.w, model_rect.h
+    -- Dont render if there is no width or height?
+    if(w <= 0 or h <= 0) then return end 
+
+    cameramgr.set_nearfar( model_rect.cam, 0.01, CAM_DISTANCE * 2 * model_rect.model.scale )
+    cameramgr.set_aspect( model_rect.cam, w/h )
+    cameramgr.lookat( model_rect.cam, hmm.HMM_V3(0.0, (offset.y + 1.5), -CAM_DISTANCE), hmm.HMM_V3(0.0, offset.y, 0.0), hmm.HMM_V3(0.0, -1.0, 0.0))
+    local view_proj = cameramgr.get_view_proj(model_rect.cam)
+    local view = cameramgr.get_view(model_rect.cam)
+
+    local model_all_geom = model_rect.model.data.mesh.all_geom
+    model_rect.model.data.mesh.camera = model_rect.cam
+
+    cameramgr.update_viewport( model_rect.cam, hmm.HMM_V4(0, 0, 1024, 1024))
+    cameramgr.update_scissor( model_rect.cam, hmm.HMM_V4(0, 0, 1024, 1024))
+    local thiscam = cameramgr.get_id( model_rect.cam )
+
+    for i, geom_id in ipairs(model_all_geom) do 
+
+        local geom      = geomutils.all_objs[geom_id]
+        geom.rx        = 0.0
+        geom.ry        = geom.ry + dt * 3.0
+        -- geom.fs_params[0].alpha_cutoff = 0.9
+        -- geom.fs_params[0].alpha_mode = 2
+        geom.dstate[0].state = 0x01
+
+        local pos = hmm.HMM_V3(0, 0, 0)
+        local angles = hmm.HMM_V3(geom.rx, geom.ry, 0.0)
+        local model = geomutils.model_matrix( geom.transform, pos, angles, sc)
+        geom.vs_params[0].mvp    = hmm.HMM_MulM4(view_proj, model)
+    end
+end
+
+-- --------------------------------------------------------------------------------------
+-- Hides all the vertex buffers associated with this model
+threed_renderer.hide_model = function(model)
+    if (model.loaded == true) then 
+        local model_all_geom = model.data.mesh.all_geom
+        for i, geom_id in ipairs(model_all_geom) do 
+            local geom      = geomutils.all_objs[geom_id]
+            geom.dstate[0].state = 0x0
+        end
+    end
+end
+
+-- --------------------------------------------------------------------------------------
+-- This doesnt directly load a model in case it happens during an incorrent phase of rendering
+threed_renderer.load_model = function(filename, params)
+
+    -- Check first if it hasnt been loaded already! 
+    local is_loaded = threed_renderer.model_load_queue[filename]
+    if(is_loaded) then 
+        return is_loaded
+    end
+
+    local new_model = { loaded = nil, filename = filename, params = params }
+    threed_renderer.model_load_queue[filename] = new_model
+    return new_model
+end
+
+-- --------------------------------------------------------------------------------------
+-- Draw the model based on an xy rect position (not 3d space).
+--  This queues model rects for drawing in the correct phase of the frame. 
+threed_renderer.draw_model = function(model, x, y, w, h)
+
+    if (model.loaded == true) then 
+        tinsert(threed_renderer.render_queue, { cam=model.data.camera, model=model, x=x, y=y, w=w, h=h })
+    end
+end
+
+-- --------------------------------------------------------------------------------------
+-- Iterate the queued rects and render models into them
+-- Rects should _not_ be here if they are hidden (ie in a hidden tab)
+threed_renderer.load_models = function()
+
+    if(utils.tcount(threed_renderer.model_load_queue) == 0) then return end
+
+    -- print("queued models", count)
+    for k,model_load in pairs(threed_renderer.model_load_queue) do
+        if(model_load.loaded == nil and model_load.params.do_load) then
+            model_load.data = model_load.params.do_load( model_load )
+            if(model_load.data) then 
+                -- model_load.data = threed_renderer.make_cube()
+                model_load.loaded = true
+            else 
+                -- Remove model that cant be loaded.
+                threed_renderer.model_load_queue[k] = nil 
+            end
+        end
+    end
+end
+
+-- --------------------------------------------------------------------------------------
+-- Iterate the queued rects and render models into them
+-- Rects should _not_ be here if they are hidden (ie in a hidden tab)
+threed_renderer.render_rects = function( dt )
+
+    local count = #threed_renderer.render_queue 
+    -- print("queued models", count)
+    for i=1, count do
+        local model_rect = threed_renderer.render_queue[i]
+        render_model(dt, model_rect)
+    end
+end
+
+-- --------------------------------------------------------------------------------------
diff --git a/projects/cube_sapp/cube_sapp.slp b/projects/cube_sapp/cube_sapp.slp
deleted file mode 100644
index 5b1c04f..0000000
--- a/projects/cube_sapp/cube_sapp.slp
+++ /dev/null
@@ -1 +0,0 @@
-{"audio":{"master_volume":{"vmin":0,"vmax":1,"vstep":0.02,"vinc":0.1,"ffi":null,"value":1,"ptype":"float","index":1},"effects_volume":{"vmin":0,"vmax":1,"vstep":0.02,"vinc":0.1,"ffi":null,"value":1,"ptype":"float","index":2},"music_volume":{"vmin":0,"vmax":1,"vstep":0.02,"vinc":0.1,"ffi":null,"value":1,"ptype":"float","index":3}},"options":{"build_relative":{"ffi":null,"value":false,"ptype":"check","index":2},"build_bytecode":{"ffi":null,"value":true,"ptype":"check","index":3},"build_type":{"plist":["Release","Debug","Release Remotery","Debug Remotery"],"ffi":null,"value":1,"ptype":"combo","index":1}},"assets":{"shaders":[],"images":[],"lua":[],"data":[]},"sokol":{"sokol_ffi":{"ffi":null,"key":"sokol_ffi","slen":256,"len_ffi":null,"value":"D:\\dev\\luajit\\sokol-luajit\\ffi","ptype":"path","index":3},"sokol_lua":{"ffi":null,"key":"sokol_lua","slen":256,"len_ffi":null,"value":"D:\\dev\\luajit\\sokol-luajit\\lua","ptype":"path","index":4},"sokol_examples":{"ffi":null,"key":"sokol_examples","slen":256,"len_ffi":null,"value":"D:\\dev\\luajit\\sokol-luajit\\examples","ptype":"path","index":5},"sokol_path":{"ffi":null,"key":"sokol_path","slen":256,"len_ffi":null,"value":"D:\\dev\\luajit\\sokol-luajit","ptype":"path","index":1},"sokol_bin":{"ffi":null,"key":"sokol_bin","slen":256,"len_ffi":null,"value":"D:\\dev\\luajit\\sokol-luajit\\bin","ptype":"path","index":2}},"graphics":{"fullscreen":{"ffi":null,"key":"fullscreen","value":false,"ptype":"check","index":6},"antialias":{"ffi":null,"key":"antialias","slen":16,"len_ffi":null,"value":"fxaa","ptype":"string","index":5},"display_height":{"value":768,"key":"display_height","vmin":480,"vmax":8192,"vstep":32,"vinc":0.1,"ffi":null,"ptype":"int","index":3},"display_fps":{"value":60,"key":"display_fps","vmin":25,"vmax":200,"vstep":5,"vinc":0.1,"ffi":null,"ptype":"int","index":4},"display_res":{"plist":["Auto-detect","4096×2160","3840×2160","3440×1440","2560×1600","2560x1440","1920x1080","1680x1050","1600x900","1440x900","1376x768","Custom"],"ffi":null,"key":"display_res","value":1,"ptype":"combo","index":1},"display_width":{"value":1024,"key":"display_width","vmin":640,"vmax":8192,"vstep":32,"vinc":0.1,"ffi":null,"ptype":"int","index":2}},"platform":{"os":{"plist":["Windows","Linux","OSX","BSD","POSIX","Other"],"ffi":null,"value":1,"ptype":"combo","index":3},"arch":{"plist":["x86","x64","arm","arm64","arm64be","ppc","mips","mipsel","mips64","mips64el","mips64r6","mips64r6el"],"ffi":null,"value":2,"ptype":"combo","index":2},"target":{"plist":["Win64","MacOS","Linux","IOS64"],"ffi":null,"value":1,"ptype":"combo","index":1},"performance":{"plist":["None","Level 1","Level 2","Level 3"],"ffi":null,"value":1,"ptype":"combo","index":4}},"rbuilder":{"version":{"value":"00.01.snow","slen":32,"index":2},"appname":{"value":"rbuild","slen":7,"index":1}},"remote":{"remote_build":{"value":"https://mybuildserver.com/sokol_build","slen":256,"index":1},"remote_data":{"value":"https://myremotedata.com/data","slen":256,"index":2}},"project":{"project_start":{"ptype":"file","ffi":null,"pfilter":"*.lua","slen":128,"len_ffi":null,"value":"D:\\dev\\luajit\\sokol-luajit\\projects\\examples\\samples\\cube_sapp.lua","key":"project_start","index":3},"project_name":{"ffi":null,"key":"project_name","slen":64,"len_ffi":null,"value":"cube_sapp","ptype":"string","index":1},"build_path":{"ffi":null,"key":"build_path","slen":256,"len_ffi":null,"value":"D:\\dev\\luajit\\sokol-builds","ptype":"path","index":2}}}
\ No newline at end of file
diff --git a/projects/examples/samples/cimgui_sapp.lua b/projects/examples/samples/cimgui_sapp.lua
index fc934db..49f2865 100644
--- a/projects/examples/samples/cimgui_sapp.lua
+++ b/projects/examples/samples/cimgui_sapp.lua
@@ -13,6 +13,8 @@ local hutils    = require("hmm_utils")
 
 local ffi       = require("ffi")
 
+require("engine.platform")
+
 -- --------------------------------------------------------------------------------------
 
 ffi.cdef[[
@@ -34,6 +36,7 @@ local function init(void)
     sg_desc[0].environment = slib.sglue_environment()
     sg_desc[0].logger.func = slib.slog_func
     sg.sg_setup( sg_desc )
+    win.Sleep(10)
 
     -- // use sokol-imgui with all default-options (we're not doing
     -- // multi-sampled rendering or using non-default pixel formats)
diff --git a/projects/examples/samples/clay_sapp.lua b/projects/examples/samples/clay_sapp.lua
index d7241a3..33acff2 100644
--- a/projects/examples/samples/clay_sapp.lua
+++ b/projects/examples/samples/clay_sapp.lua
@@ -15,6 +15,7 @@ local clay      = require("clay")
 local cutils    = require("clay_utils")
 
 local utils     = require("utils")
+require("engine.platform")
 
 -- --------------------------------------------------------------------------------------
 
@@ -50,6 +51,7 @@ local function init()
     desc[0].logger.func = slib.slog_func
     desc[0].disable_validation = false
     sg.sg_setup( desc )
+    win.Sleep(10)
     print("Sokol Is Valid: "..tostring(sg.sg_isvalid()))
 
     -- Initialize Sokol GP, adjust the size of command buffers for your own use.
diff --git a/projects/examples/samples/cube-sapp.glsl b/projects/examples/samples/cube-sapp.glsl
index 5717528..3da5732 100644
--- a/projects/examples/samples/cube-sapp.glsl
+++ b/projects/examples/samples/cube-sapp.glsl
@@ -1,6 +1,6 @@
 @ctype mat4 hmm_mat4
 
-@vs vs
+@vs vs_cube
 layout(binding = 0, std140) uniform vs_params {
     mat4 mvp;
 };
@@ -16,7 +16,7 @@ void main() {
 }
 @end
 
-@fs fs
+@fs fs_cube
 in vec4 color;
 out vec4 frag_color;
 
@@ -25,4 +25,4 @@ void main() {
 }
 @end
 
-@program cube vs fs
+@program cube vs_cube fs_cube
diff --git a/projects/examples/samples/cube_sapp.lua b/projects/examples/samples/cube_sapp.lua
index 1dc6be3..e752866 100644
--- a/projects/examples/samples/cube_sapp.lua
+++ b/projects/examples/samples/cube_sapp.lua
@@ -10,6 +10,7 @@ local hmm       = require("hmm")
 local hutils    = require("hmm_utils")
 
 local utils     = require("utils")
+require("engine.platform")
 
 local ffi       = require("ffi")
 
@@ -27,7 +28,7 @@ typedef struct state {
 -- --------------------------------------------------------------------------------------
 -- The nice way to take a glsl shader and load, compile and return a shader description
 local shc       = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", true )
-local shader    = shc.compile("./projects/examples/samples/cube-sapp.glsl")
+local shader    = shc.compile("./projects/examples/samples/cube-sapp.glsl", "cube")
 
 -- --------------------------------------------------------------------------------------
 
@@ -49,6 +50,7 @@ local function init()
     desc[0].logger.func = slib.slog_func
     desc[0].disable_validation = false
     sg.sg_setup( desc )
+    win.Sleep(10)
     print("Sokol Is Valid: "..tostring(sg.sg_isvalid()))
 
     local vertices = ffi.new("float[168]", {
diff --git a/projects/examples/samples/nuklear_multifont.lua b/projects/examples/samples/nuklear_multifont.lua
index 2a7bac9..edd7bbd 100644
--- a/projects/examples/samples/nuklear_multifont.lua
+++ b/projects/examples/samples/nuklear_multifont.lua
@@ -16,6 +16,7 @@ local stb       = require("stb")
 local ffi       = require("ffi")
 
 local utils     = require("utils")
+require("engine.platform")
 
 -- --------------------------------------------------------------------------------------
 
@@ -30,6 +31,7 @@ local function init(void)
     sg_desc[0].environment = slib.sglue_environment()
     sg_desc[0].logger.func = slib.slog_func
     sg.sg_setup( sg_desc )
+    win.Sleep(10)
 
     -- // use sokol-nuklear with all default-options (we're not doing
     -- // multi-sampled rendering or using non-default pixel formats)
diff --git a/projects/examples/samples/nuklear_png_sapp.lua b/projects/examples/samples/nuklear_png_sapp.lua
index eb0bac4..6f2b5fc 100644
--- a/projects/examples/samples/nuklear_png_sapp.lua
+++ b/projects/examples/samples/nuklear_png_sapp.lua
@@ -12,6 +12,7 @@ local hmm       = require("hmm")
 local hutils    = require("hmm_utils")
 
 local stb       = require("stb")
+require("engine.platform")
 
 local ffi       = require("ffi")
 
@@ -60,6 +61,7 @@ local function init(void)
     sg_desc[0].environment = slib.sglue_environment()
     sg_desc[0].logger.func = slib.slog_func
     sg.sg_setup( sg_desc )
+    win.Sleep(10)
 
     -- // use sokol-nuklear with all default-options (we're not doing
     -- // multi-sampled rendering or using non-default pixel formats)
diff --git a/projects/examples/samples/nuklear_sapp.lua b/projects/examples/samples/nuklear_sapp.lua
index d8944c8..c9aa949 100644
--- a/projects/examples/samples/nuklear_sapp.lua
+++ b/projects/examples/samples/nuklear_sapp.lua
@@ -11,6 +11,8 @@ local slib      = require("sokol_libs") -- Warn - always after gfx!!
 local hmm       = require("hmm")
 local hutils    = require("hmm_utils")
 
+require("engine.platform")
+
 local ffi = require("ffi")
 
 -- --------------------------------------------------------------------------------------
@@ -21,6 +23,7 @@ local function init(void)
     sg_desc[0].environment = slib.sglue_environment()
     sg_desc[0].logger.func = slib.slog_func
     sg.sg_setup( sg_desc )
+    win.Sleep(10)
 
     -- // use sokol-nuklear with all default-options (we're not doing
     -- // multi-sampled rendering or using non-default pixel formats)
diff --git a/projects/examples/samples/offscreen_nuklear_sapp.lua b/projects/examples/samples/offscreen_nuklear_sapp.lua
index 17f4492..19d7f4e 100644
--- a/projects/examples/samples/offscreen_nuklear_sapp.lua
+++ b/projects/examples/samples/offscreen_nuklear_sapp.lua
@@ -13,6 +13,7 @@ local hmm       = require("hmm")
 local hutils    = require("hmm_utils")
 
 local stb       = require("stb")
+require("engine.platform")
 
 local ffi       = require("ffi")
 
@@ -103,6 +104,7 @@ local function init()
     sg_desc[0].environment = slib.sglue_environment()
     sg_desc[0].logger.func = slib.slog_func
     sg.sg_setup( sg_desc )
+    win.Sleep(10)
 
     -- // use sokol-nuklear with all default-options (we're not doing
     -- // multi-sampled rendering or using non-default pixel formats)
diff --git a/projects/examples/samples/offscreen_sapp.lua b/projects/examples/samples/offscreen_sapp.lua
index aa7df8d..c0b247f 100644
--- a/projects/examples/samples/offscreen_sapp.lua
+++ b/projects/examples/samples/offscreen_sapp.lua
@@ -12,6 +12,8 @@ local hutils    = require("hmm_utils")
 
 local ffi       = require("ffi")
 
+require("engine.platform")
+
 -- --------------------------------------------------------------------------------------
 -- The nice way to take a glsl shader and load, compile and return a shader description
 local shc       = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", false )
@@ -61,6 +63,7 @@ local function init()
     sg_desc[0].logger.func = slib.slog_func
     sg.sg_setup( sg_desc )
 
+    win.Sleep(10)
     local offscreen_shader = sg.sg_make_shader(offscreen)
     local default_shader = sg.sg_make_shader(default)  
 
diff --git a/projects/examples/samples/remotery_cube.lua b/projects/examples/samples/remotery_cube.lua
index efb32a4..cc9d4fb 100644
--- a/projects/examples/samples/remotery_cube.lua
+++ b/projects/examples/samples/remotery_cube.lua
@@ -9,6 +9,8 @@ local hmm       = require("hmm")
 local hutils    = require("hmm_utils")
 local rmt       = require("remotery")
 
+require("engine.platform")
+
 local ffi = require("ffi")
 
 -- --------------------------------------------------------------------------------------
@@ -27,7 +29,7 @@ local rmt_ctx   = nil
 -- --------------------------------------------------------------------------------------
 -- The nice way to take a glsl shader and load, compile and return a shader description
 local shc       = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", false )
-local shader    = shc.compile("./projects/examples/samples/cube-sapp.glsl")
+local shader    = shc.compile("./projects/examples/samples/cube-sapp.glsl", "cube")
 
 -- --------------------------------------------------------------------------------------
 
@@ -51,6 +53,7 @@ local function init()
     desc[0].logger.func = slib.slog_func
     desc[0].disable_validation = false
     sg.sg_setup( desc )
+    win.Sleep(10)
     print("Sokol Is Valid: "..tostring(sg.sg_isvalid()))
 
     local vertices = ffi.new("float[168]", {
@@ -160,6 +163,7 @@ local function frame()
     pass[0].swapchain = slib.sglue_swapchain()
 
 
+    rmt._rmt_EndCPUSample()
     rmt._rmt_BeginCPUSample(sample2_str, rmt.RMTSF_Aggregate, sample2_hash)
 
     sg.sg_begin_pass(pass)
@@ -178,7 +182,7 @@ local function frame()
     sg.sg_commit()
 
     rmt._rmt_EndCPUSample()
-    rmt._rmt_EndCPUSample()
+    rmt._rmt_MarkFrame()
 
     -- Display frame stats in console.
     -- hutils.show_stats()
@@ -187,8 +191,8 @@ end
 -- --------------------------------------------------------------------------------------
 
 local function cleanup()
-    sg.sg_shutdown()
     rmt.DestroyGlobalInstance(rmt_ctx)
+    sg.sg_shutdown()
 end
 
 -- --------------------------------------------------------------------------------------
diff --git a/projects/examples/samples/sapp_gp.lua b/projects/examples/samples/sapp_gp.lua
index 6a3d9c3..7250e3e 100644
--- a/projects/examples/samples/sapp_gp.lua
+++ b/projects/examples/samples/sapp_gp.lua
@@ -12,6 +12,7 @@ local hmm       = require("hmm")
 local hutils    = require("hmm_utils")
 
 local utils     = require("utils")
+require("engine.platform")
 
 local ffi       = require("ffi")
 
@@ -24,6 +25,7 @@ local function init()
     desc[0].logger.func = slib.slog_func
     desc[0].disable_validation = false
     sg.sg_setup( desc )
+    win.Sleep(10)
     print("Sokol Is Valid: "..tostring(sg.sg_isvalid()))
 
     -- Initialize Sokol GP, adjust the size of command buffers for your own use.
diff --git a/projects/examples/samples/sdf-sapp.glsl b/projects/examples/samples/sdf-sapp.glsl
index 4ae9940..61479c7 100644
--- a/projects/examples/samples/sdf-sapp.glsl
+++ b/projects/examples/samples/sdf-sapp.glsl
@@ -5,7 +5,7 @@
 //------------------------------------------------------------------------------
 
 //--- vertex shader
-@vs vs
+@vs vs_sdf
 layout(binding=0) uniform vs_params {
     float aspect;
     float time;
@@ -42,7 +42,7 @@ void main() {
 @end
 
 //--- fragment shader
-@fs fs
+@fs fs_sdf
 in vec2 pos;
 in vec3 eye;
 in vec3 up;
@@ -181,4 +181,4 @@ void main() {
 }
 @end
 
-@program sdf vs fs
\ No newline at end of file
+@program sdf vs_sdf fs_sdf
\ No newline at end of file
diff --git a/projects/examples/samples/sdf_sapp.lua b/projects/examples/samples/sdf_sapp.lua
index 1e2a0c7..4138c72 100644
--- a/projects/examples/samples/sdf_sapp.lua
+++ b/projects/examples/samples/sdf_sapp.lua
@@ -8,12 +8,14 @@ local slib      = require("sokol_libs") -- Warn - always after gfx!!
 local hmm       = require("hmm")
 local hutils    = require("hmm_utils")
 
+require("engine.platform")
+
 local ffi = require("ffi")
 
 -- --------------------------------------------------------------------------------------
 -- The nice way to take a glsl shader and load, compile and return a shader description
-local shc       = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", true )
-local shader    = shc.compile("./projects/examples/samples/sdf-sapp.glsl")
+local shc       = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", false )
+local shader    = shc.compile("./projects/examples/samples/sdf-sapp.glsl", "sdf")
 
 -- --------------------------------------------------------------------------------------
 
@@ -43,6 +45,7 @@ local function init()
     desc[0].environment = slib.sglue_environment()
     desc[0].logger.func = slib.slog_func
     sg.sg_setup( desc )
+    win.Sleep(10)
     print("Sokol Is Valid: "..tostring(sg.sg_isvalid()))
 
     local fsq_verts = ffi.new("float[6]", { -1.0, -3.0, 3.0, 1.0, -1.0, 1.0 })
diff --git a/projects/examples/samples/shapes-sapp.glsl b/projects/examples/samples/shapes-sapp.glsl
index a1c261a..95e359d 100644
--- a/projects/examples/samples/shapes-sapp.glsl
+++ b/projects/examples/samples/shapes-sapp.glsl
@@ -1,6 +1,6 @@
 @ctype mat4 hmm_mat4
 
-@vs vs
+@vs vs_shapes
 layout(binding=0) uniform vs_params {
     mat4 mvp;
     float draw_mode;
@@ -27,7 +27,7 @@ void main() {
 }
 @end
 
-@fs fs
+@fs fs_shapes
 in vec4 color;
 out vec4 frag_color;
 
@@ -36,4 +36,4 @@ void main() {
 }
 @end
 
-@program shapes vs fs
\ No newline at end of file
+@program shapes vs_shapes fs_shapes
\ No newline at end of file
diff --git a/projects/examples/samples/shapes_sapp.lua b/projects/examples/samples/shapes_sapp.lua
index d3ea97c..0c16150 100644
--- a/projects/examples/samples/shapes_sapp.lua
+++ b/projects/examples/samples/shapes_sapp.lua
@@ -8,12 +8,14 @@ local slib      = require("sokol_libs") -- Warn - always after gfx!!
 local sshape    = require("sokol_shape")
 local hmm       = require("hmm")
 
+require("engine.platform")
+
 local ffi       = require("ffi")
 
 -- --------------------------------------------------------------------------------------
 
 local shc       = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", false )
-local shader    = shc.compile("./projects/examples/samples/shapes-sapp.glsl")
+local shader    = shc.compile("./projects/examples/samples/shapes-sapp.glsl", "shapes")
 
 -- --------------------------------------------------------------------------------------
 
@@ -61,6 +63,7 @@ local function init()
     sg_desc[0].logger.func = slib.slog_func
     sg_desc[0].disable_validation = false
     sg.sg_setup( sg_desc )
+    win.Sleep(10)
 
     local pass_action = ffi.new("sg_pass_action[1]", {})
     pass_action[0].colors[0].load_action = sg.SG_LOADACTION_CLEAR
diff --git a/projects/examples/samples/triangle-sapp.glsl b/projects/examples/samples/triangle-sapp.glsl
index d0f6550..f2e5451 100644
--- a/projects/examples/samples/triangle-sapp.glsl
+++ b/projects/examples/samples/triangle-sapp.glsl
@@ -1,4 +1,4 @@
-@vs vs
+@vs vs_triangle
 in vec4 position;
 in vec4 color0;
 
@@ -10,7 +10,7 @@ void main() {
 }
 @end
 
-@fs fs
+@fs fs_triangle
 in vec4 color;
 out vec4 frag_color;
 
@@ -19,4 +19,4 @@ void main() {
 }
 @end
 
-@program triangle vs fs
\ No newline at end of file
+@program triangle vs_triangle fs_triangle
\ No newline at end of file
diff --git a/projects/examples/samples/triangle_sapp.lua b/projects/examples/samples/triangle_sapp.lua
index d9cc13c..6b2c139 100644
--- a/projects/examples/samples/triangle_sapp.lua
+++ b/projects/examples/samples/triangle_sapp.lua
@@ -5,6 +5,8 @@ local sapp  = require("sokol_app")
 sg          = require("sokol_gfx")
 local slib  = require("sokol_libs") -- Warn - always after gfx!!
 
+require("engine.platform")
+
 local ffi = require("ffi")
 
 ffi.cdef[[
@@ -61,7 +63,7 @@ typedef struct state {
 -- --------------------------------------------------------------------------------------
 -- The nice way to take a glsl shader and load, compile and return a shader description
 local shc       = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", false )
-local shader    = shc.compile("./projects/examples/samples/triangle-sapp.glsl")
+local shader    = shc.compile("./projects/examples/samples/triangle-sapp.glsl", "triangle")
 
 -- --------------------------------------------------------------------------------------
 
@@ -78,6 +80,7 @@ local function init()
     desc[0].logger.func = slib.slog_func
 
     sg.sg_setup( desc )
+    win.Sleep(10)
 
     local vertices = ffi.new("float[21]") 
     vertices[0] = 0.0; vertices[1] = 0.5; vertices[2] = 0.5; 
diff --git a/tools/shader_compiler/shc_compile.lua b/tools/shader_compiler/shc_compile.lua
index 3881eed..2793e5c 100644
--- a/tools/shader_compiler/shc_compile.lua
+++ b/tools/shader_compiler/shc_compile.lua
@@ -24,9 +24,9 @@ sh_compiler.init = function(base_path, debug_shader, tools_path)
     end 
 
     if(ffi.os == "Windows") then 
-        sh_compiler.target_tmp      = base_dir.."bin\\shaderbin\\shader_gen.h"
+        sh_compiler.target_tmp      = base_dir.."bin\\shaderbin\\shader_gen_"
     else 
-        sh_compiler.target_tmp      = base_dir.."bin/shaderbin/shader_gen.h"
+        sh_compiler.target_tmp      = base_dir.."bin/shaderbin/shader_gen_"
     end
     sh_compiler.target_lang     = "glsl410"
     sh_compiler.target_output   = "sokol"
@@ -139,7 +139,9 @@ end
 
 sh_compiler.compile = function( glslfile, program_name )
 
-    local command = exec..' -i '..glslfile.." -o "..sh_compiler.target_tmp
+    local target_tmp = sh_compiler.target_tmp..program_name..".h"
+    
+    local command = exec..' -i '..glslfile.." -o "..target_tmp
     command = command.." -l "..sh_compiler.target_lang.." -f "..sh_compiler.target_output
 -- print(command)
     local runner = io.popen(command, "r")
@@ -149,20 +151,28 @@ sh_compiler.compile = function( glslfile, program_name )
         runner:close()
         print("[sh_compiler.lua] Shader: "..glslfile.." compiled correctly.")
     else 
-        print("Invalid command: "..command)
+        print("[sh_compiler.lua] Invalid command: "..command)
         return nil
     end
 
     -- Load in the generated file
     local lua_shader = ""
-    local tmpfile = io.open(sh_compiler.target_tmp, "r")
+    local tmpfile = io.open(target_tmp, "r")
     if(tmpfile) then 
         local shader_src = tmpfile:read("*a")
         tmpfile:close()
-        lua_shader = sh_compiler.process_shader(glslfile, shader_src, program_name)
-        return lua_shader
+        if(shader_src) then 
+            local res, err = sh_compiler.process_shader(glslfile, shader_src, program_name)
+            if(err) then 
+                print("[sh_compiler.lua] Shader Compiler error: ", err)
+                return nil 
+            end 
+            return res
+        end
+        print("[sh_compiler.lua] Cannot process: "..target_tmp)
+        return nil
     else
-        print("Cannot load tmpfile: "..sh_compiler.target_tmp)
+        print("[sh_compiler.lua] Cannot load tmpfile: "..target_tmp)
         return nil
     end
 end