floooh
commented
5 months ago @kassane can you have a quick look? Example output looks like this.
Haven't tried building yet, because ldc2 currently seems to be broken on macOS (it crashes with Symbol not found: __ZN4llvm10PGOOptionsC1ENSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEES7_S7_S7_NS_18IntrusiveRefCntPtrINS_3vfs10FileSystemEEENS0_9PGOActionENS0_11CSPGOActionEbb)
PS: ok that problem was fixed by manually installing llvm@17, looks like the homebrew recipe is missing a dependency.
module shaders.ssbo;
import sg = sokol.gfx;
extern(C):
/*
#version:1# (machine generated, don't edit!)
Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
Cmdline:
sokol-shdc -i /Users/floh/projects/sokol-tools/test/ssbo.glsl -o /Users/floh/scratch/bla.d -l metal_macos:hlsl5:glsl430 -f sokol_d
Overview:
=========
Shader program: 'ssbo':
Get shader desc: ssbo_shader_desc(sg.query_backend());
Vertex shader: vs
Attributes:
Uniform block 'vs_params':
D struct: VsParams
Bind slot: SLOT_VS_PARAMS => 0
Storage buffer 'ssbo':
D struct: Ssbo
Bind slot: SLOT_SSBO => 0
Fragment shader: fs
*/
enum SLOT_VS_PARAMS = 0;
enum SLOT_SSBO = 0;
struct VsParams {
align(16) float[16] mvp;
}
struct SbVertex {
align(16) float[4] pos;
align(1) float[4] color;
}
/*
#version 430
struct sb_vertex
{
vec4 pos;
vec4 color;
};
uniform vec4 vs_params[4];
layout(binding = 0, std430) readonly buffer ssbo
{
sb_vertex vtx[];
} _27;
layout(location = 0) out vec4 color;
void main()
{
gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * _27.vtx[gl_VertexID].pos;
color = _27.vtx[gl_VertexID].color;
}
*/
__gshared char[377] VS_SOURCE_GLSL430 = [
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];
/*
#version 430
layout(location = 0) out vec4 frag_color;
layout(location = 0) in vec4 color;
void main()
{
frag_color = color;
}
*/
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];
/*
struct sb_vertex
{
float4 pos;
float4 color;
};
cbuffer vs_params : register(b0)
{
row_major float4x4 _19_mvp : packoffset(c0);
};
ByteAddressBuffer _27 : register(t16);
static float4 gl_Position;
static int gl_VertexIndex;
static float4 color;
struct SPIRV_Cross_Input
{
uint gl_VertexIndex : SV_VertexID;
};
struct SPIRV_Cross_Output
{
float4 color : TEXCOORD0;
float4 gl_Position : SV_Position;
};
void vert_main()
{
gl_Position = mul(asfloat(_27.Load4(gl_VertexIndex * 32 + 0)), _19_mvp);
color = asfloat(_27.Load4(gl_VertexIndex * 32 + 16));
}
SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
{
gl_VertexIndex = int(stage_input.gl_VertexIndex);
vert_main();
SPIRV_Cross_Output stage_output;
stage_output.gl_Position = gl_Position;
stage_output.color = color;
return stage_output;
}
*/
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];
/*
static float4 frag_color;
static float4 color;
struct SPIRV_Cross_Input
{
float4 color : TEXCOORD0;
};
struct SPIRV_Cross_Output
{
float4 frag_color : SV_Target0;
};
void frag_main()
{
frag_color = color;
}
SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
{
color = stage_input.color;
frag_main();
SPIRV_Cross_Output stage_output;
stage_output.frag_color = frag_color;
return stage_output;
}
*/
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];
/*
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct vs_params
{
float4x4 mvp;
};
struct sb_vertex
{
float4 pos;
float4 color;
};
struct ssbo
{
sb_vertex vtx[1];
};
struct main0_out
{
float4 color [[user(locn0)]];
float4 gl_Position [[position]];
};
vertex main0_out main0(constant vs_params& _19 [[buffer(0)]], const device ssbo& _27 [[buffer(12)]], uint gl_VertexIndex [[vertex_id]])
{
main0_out out = {};
out.gl_Position = _19.mvp * _27.vtx[int(gl_VertexIndex)].pos;
out.color = _27.vtx[int(gl_VertexIndex)].color;
return out;
}
*/
__gshared char[604] VS_SOURCE_METAL_MACOS = [
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];
/*
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct main0_out
{
float4 frag_color [[color(0)]];
};
struct main0_in
{
float4 color [[user(locn0)]];
};
fragment main0_out main0(main0_in in [[stage_in]])
{
main0_out out = {};
out.frag_color = in.color;
return out;
}
*/
__gshared char[315] FS_SOURCE_METAL_MACOS = [
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];
sg.ShaderDesc ssbo_shader_desc(sg.Backend backend) @trusted @nogc nothrow {
sg.ShaderDesc desc;
desc.label = "ssbo_shader";
switch (backend) {
case sg.Backend.Glcore:
desc.vs.source = &VS_SOURCE_GLSL430[0];
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.vs.storage_buffers[0].used = true;
desc.vs.storage_buffers[0].readonly = true;
desc.fs.source = &FS_SOURCE_GLSL430[0];
desc.fs.entry = "main";
break;
case sg.Backend.D3d11:
desc.vs.source = &VS_SOURCE_HLSL5[0];
desc.vs.d3d11_target = "vs_5_0";
desc.vs.entry = "main";
desc.vs.uniform_blocks[0].size = 64;
desc.vs.uniform_blocks[0].layout = sg.UniformLayout.Std140;
desc.vs.storage_buffers[0].used = true;
desc.vs.storage_buffers[0].readonly = true;
desc.fs.source = &FS_SOURCE_HLSL5[0];
desc.fs.d3d11_target = "ps_5_0";
desc.fs.entry = "main";
break;
case sg.Backend.Metal_macos:
desc.vs.source = &VS_SOURCE_METAL_MACOS[0];
desc.vs.entry = "main0";
desc.vs.uniform_blocks[0].size = 64;
desc.vs.uniform_blocks[0].layout = sg.UniformLayout.Std140;
desc.vs.storage_buffers[0].used = true;
desc.vs.storage_buffers[0].readonly = true;
desc.fs.source = &FS_SOURCE_METAL_MACOS[0];
desc.fs.entry = "main0";
break;
default: break;
}
return desc;
}
...rewrite of https://github.com/floooh/sokol-tools/pull/115 for the new code generator structure.