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Preparing for adding an engine library.

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This commit is contained in:
David Lannan 2024-10-26 22:43:32 +10:30
parent f4723ca722
commit b8ec0ec5c1
3 changed files with 228 additions and 65 deletions
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249
bin/shaderbin/shader_gen.h
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@ -5,17 +5,42 @@
Generated by sokol-shdc (https://github.com/floooh/sokol-tools) Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
Cmdline: Cmdline:
sokol-shdc -i ./samples/triangle-sapp.glsl -o F:\dev\luajit\Thunc\sokol-luajit\bin/shaderbin/shader_gen.h -l glsl410 -f sokol sokol-shdc -i ./samples/offscreen-sapp.glsl -o F:\dev\luajit\Thunc\sokol-luajit\bin/shaderbin/shader_gen.h -l glsl410 -f sokol
Overview: Overview:
========= =========
Shader program: 'triangle': Shader program: 'default':
Get shader desc: triangle_shader_desc(sg_query_backend()); Get shader desc: default_shader_desc(sg_query_backend());
Vertex shader: vs Vertex shader: vs_default
Attributes: Attributes:
ATTR_vs_position => 0 ATTR_vs_default_position => 0
ATTR_vs_color0 => 1 ATTR_vs_default_normal => 1
Fragment shader: fs ATTR_vs_default_texcoord0 => 2
Uniform block 'vs_params':
C struct: vs_params_t
Bind slot: SLOT_vs_params => 0
Fragment shader: fs_default
Image 'tex':
Image type: SG_IMAGETYPE_2D
Sample type: SG_IMAGESAMPLETYPE_FLOAT
Multisampled: false
Bind slot: SLOT_tex => 0
Sampler 'smp':
Type: SG_SAMPLERTYPE_FILTERING
Bind slot: SLOT_smp => 0
Image Sampler Pair 'tex_smp':
Image: tex
Sampler: smp
Shader program: 'offscreen':
Get shader desc: offscreen_shader_desc(sg_query_backend());
Vertex shader: vs_offscreen
Attributes:
ATTR_vs_offscreen_position => 0
ATTR_vs_offscreen_normal => 1
Uniform block 'vs_params':
C struct: vs_params_t
Bind slot: SLOT_vs_params => 0
Fragment shader: fs_offscreen
*/ */
#if !defined(SOKOL_GFX_INCLUDED) #if !defined(SOKOL_GFX_INCLUDED)
#error "Please include sokol_gfx.h before shader_gen.h" #error "Please include sokol_gfx.h before shader_gen.h"
@ -27,73 +52,219 @@
#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a))) #define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
#endif #endif
#endif #endif
#define ATTR_vs_position (0) #define ATTR_vs_default_position (0)
#define ATTR_vs_color0 (1) #define ATTR_vs_default_normal (1)
#define ATTR_vs_default_texcoord0 (2)
#define ATTR_vs_offscreen_position (0)
#define ATTR_vs_offscreen_normal (1)
#define SLOT_vs_params (0)
#define SLOT_tex (0)
#define SLOT_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 #version 410
uniform vec4 vs_params[4];
layout(location = 0) in vec4 position; layout(location = 0) in vec4 position;
layout(location = 0) out vec4 color; layout(location = 0) out vec4 nrm;
layout(location = 1) in vec4 color0; layout(location = 1) in vec4 normal;
void main() void main()
{ {
gl_Position = position; gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * position;
color = color0; nrm = normal;
} }
*/ */
static const uint8_t vs_source_glsl410[194] = { static const uint8_t vs_offscreen_source_glsl410[280] = {
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}; };
/* /*
#version 410 #version 410
layout(location = 0) out vec4 frag_color; layout(location = 0) out vec4 frag_color;
layout(location = 0) in vec4 color; layout(location = 0) in vec4 nrm;
void main() void main()
{ {
frag_color = color; frag_color = vec4((nrm.xyz * 0.5) + vec3(0.5), 1.0);
} }
*/ */
static const uint8_t fs_source_glsl410[135] = { static const uint8_t fs_offscreen_source_glsl410[166] = {
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}; };
static inline const sg_shader_desc* triangle_shader_desc(sg_backend backend) { /*
#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);
}
*/
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0x61,0x6d,0x70,0x28,0x64,0x6f,0x74,0x28,0x6e,0x72,0x6d,0x2e,0x78,0x79,0x7a,0x2c,
0x20,0x76,0x65,0x63,0x33,0x28,0x30,0x2e,0x35,0x37,0x37,0x33,0x35,0x30,0x32,0x35,
0x38,0x38,0x32,0x37,0x32,0x30,0x39,0x34,0x37,0x32,0x36,0x35,0x36,0x32,0x35,0x2c,
0x20,0x30,0x2e,0x35,0x37,0x37,0x33,0x35,0x30,0x32,0x35,0x38,0x38,0x32,0x37,0x32,
0x30,0x39,0x34,0x37,0x32,0x36,0x35,0x36,0x32,0x35,0x2c,0x20,0x2d,0x30,0x2e,0x35,
0x37,0x37,0x33,0x35,0x30,0x32,0x35,0x38,0x38,0x32,0x37,0x32,0x30,0x39,0x34,0x37,
0x32,0x36,0x35,0x36,0x32,0x35,0x29,0x29,0x2c,0x20,0x30,0x2e,0x30,0x2c,0x20,0x31,
0x2e,0x30,0x29,0x2c,0x20,0x32,0x2e,0x30,0x2c,0x20,0x30,0x2e,0x32,0x35,0x29,0x2c,
0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
};
static inline const sg_shader_desc* default_shader_desc(sg_backend backend) {
if (backend == SG_BACKEND_GLCORE) { if (backend == SG_BACKEND_GLCORE) {
static sg_shader_desc desc; static sg_shader_desc desc;
static bool valid; static bool valid;
if (!valid) { if (!valid) {
valid = true; valid = true;
desc.attrs[0].name = "position"; desc.attrs[0].name = "position";
desc.attrs[1].name = "color0"; desc.attrs[1].name = "normal";
desc.vs.source = (const char*)vs_source_glsl410; desc.attrs[2].name = "texcoord0";
desc.vs.source = (const char*)vs_default_source_glsl410;
desc.vs.entry = "main"; desc.vs.entry = "main";
desc.fs.source = (const char*)fs_source_glsl410; desc.vs.uniform_blocks[0].size = 64;
desc.vs.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
desc.vs.uniform_blocks[0].uniforms[0].name = "vs_params";
desc.vs.uniform_blocks[0].uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
desc.vs.uniform_blocks[0].uniforms[0].array_count = 4;
desc.fs.source = (const char*)fs_default_source_glsl410;
desc.fs.entry = "main"; desc.fs.entry = "main";
desc.label = "triangle_shader"; desc.fs.images[0].used = true;
desc.fs.images[0].multisampled = false;
desc.fs.images[0].image_type = SG_IMAGETYPE_2D;
desc.fs.images[0].sample_type = SG_IMAGESAMPLETYPE_FLOAT;
desc.fs.samplers[0].used = true;
desc.fs.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING;
desc.fs.image_sampler_pairs[0].used = true;
desc.fs.image_sampler_pairs[0].image_slot = 0;
desc.fs.image_sampler_pairs[0].sampler_slot = 0;
desc.fs.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.attrs[0].name = "position";
desc.attrs[1].name = "normal";
desc.vs.source = (const char*)vs_offscreen_source_glsl410;
desc.vs.entry = "main";
desc.vs.uniform_blocks[0].size = 64;
desc.vs.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
desc.vs.uniform_blocks[0].uniforms[0].name = "vs_params";
desc.vs.uniform_blocks[0].uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
desc.vs.uniform_blocks[0].uniforms[0].array_count = 4;
desc.fs.source = (const char*)fs_offscreen_source_glsl410;
desc.fs.entry = "main";
desc.label = "offscreen_shader";
} }
return &desc; return &desc;
} }

2
examples/samples/nuklear_png_sapp.lua
View File

@ -1,4 +1,4 @@
package.path = package.path..";../../?.lua" package.path = package.path..";../?.lua"
local dirtools = require("tools.dirtools") local dirtools = require("tools.dirtools")
local base_path = dirtools.get_app_path("sokol%-luajit") local base_path = dirtools.get_app_path("sokol%-luajit")

42
tools/shc_compile.lua
View File

@ -1,27 +1,10 @@
-- A way to run the tool as part of a runtime or a build stage. -- A way to run the tool as part of a runtime or a build stage.
local ffi = require("ffi") local ffi = require("ffi")
local sg = require("sokol_gfx") local sg = sg or require("sokol_gfx")
local dirtools = require("tools.dirtools") local dirtools = require("tools.dirtools")
-- local base_dir = "." local base_dir = nil
-- if(ffi.os == "Windows") then local tools_dir = nil
-- local cmdh = io.popen("cd", "r")
-- if(cmdh) then base_dir = cmdh:read("*a"); cmdh:close() end
-- else
-- local cmdh = io.popen("cwd", "r")
-- if(cmdh) then base_dir = cmdh:read("*a"); cmdh:close() end
-- end
-- local folder_name = "sokol%-luajit"
-- local last_folder, remain = string.match(base_dir, "(.-"..folder_name..")(.-)")
-- remain = remain:gsub("%s+", "")
-- if(ffi.os == "Windows") then
-- base_dir = last_folder.."\\"
-- else
-- base_dir = last_folder.."/"
-- end
-- print("Base Directory: "..base_dir)
local base_dir = dirtools.get_app_path("sokol%-luajit")
-- Setup some defaults -- Setup some defaults
local sh_compiler = {} local sh_compiler = {}
@ -32,8 +15,13 @@ local exec = nil
-- Set the base path from where you are running your app from -- Set the base path from where you are running your app from
-- returns a lua table that can then be used in the soko shader methods -- returns a lua table that can then be used in the soko shader methods
-- -------------------------------------------------------------------------------------- -- --------------------------------------------------------------------------------------
sh_compiler.init = function(base_path, debug_shader) sh_compiler.init = function(base_path, debug_shader, tools_path)
base_dir = dirtools.get_app_path(base_path) base_dir = dirtools.get_app_path(base_path)
tools_dir = base_dir
if(tools_path) then
tools_dir = base_dir..tools_path.."/"
end
sh_compiler.target_tmp = base_dir.."bin/shaderbin/shader_gen.h" sh_compiler.target_tmp = base_dir.."bin/shaderbin/shader_gen.h"
sh_compiler.target_lang = "glsl410" sh_compiler.target_lang = "glsl410"
@ -41,12 +29,12 @@ sh_compiler.init = function(base_path, debug_shader)
sh_compiler.typedefs = {} sh_compiler.typedefs = {}
sh_compiler.debug = debug_shader sh_compiler.debug = debug_shader or false
exec_opts = { exec_opts = {
["Linx"] = base_dir.."tools/shader_compiler/linux/sokol-shdc.exe", ["Linx"] = tools_dir.."tools/shader_compiler/linux/sokol-shdc.exe",
["Windows"] = base_dir.."tools\\shader_compiler\\win32\\sokol-shdc.exe", ["Windows"] = tools_dir.."tools\\shader_compiler\\win32\\sokol-shdc.exe",
["MacOSX"] = base_dir.."tools/shader_compiler/win32/sokol-shdc.exe", ["MacOSX"] = tools_dir.."tools/shader_compiler/win32/sokol-shdc.exe",
} }
exec = exec_opts[ffi.os] exec = exec_opts[ffi.os]
return sh_compiler return sh_compiler
@ -171,4 +159,8 @@ sh_compiler.compile = function( glslfile, program_name )
end end
end end
-- --------------------------------------------------------------------------------------
return sh_compiler return sh_compiler
-- --------------------------------------------------------------------------------------