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D3D / VideoCommon: generate HLSL from SPIRV

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This commit is contained in:
iwubcode
2022-05-04 00:41:34 -05:00
parent 3790c99a7d
commit 5dd2704416
20 changed files with 780 additions and 1121 deletions
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95
Source/Core/VideoCommon/TextureConverterShaderGen.cpp
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@ -29,26 +29,13 @@ TCShaderUid GetShaderUid(EFBCopyFormat dst_format, bool is_depth_copy, bool is_i
static void WriteHeader(APIType api_type, ShaderCode& out)
{
if (api_type == APIType::D3D)
{
out.Write("cbuffer PSBlock : register(b0) {{\n"
" float2 src_offset, src_size;\n"
" float3 filter_coefficients;\n"
" float gamma_rcp;\n"
" float2 clamp_tb;\n"
" float pixel_height;\n"
"}};\n\n");
}
else if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
{
out.Write("UBO_BINDING(std140, 1) uniform PSBlock {{\n"
" float2 src_offset, src_size;\n"
" float3 filter_coefficients;\n"
" float gamma_rcp;\n"
" float2 clamp_tb;\n"
" float pixel_height;\n"
"}};\n");
}
out.Write("UBO_BINDING(std140, 1) uniform PSBlock {{\n"
" float2 src_offset, src_size;\n"
" float3 filter_coefficients;\n"
" float gamma_rcp;\n"
" float2 clamp_tb;\n"
" float pixel_height;\n"
"}};\n");
}
ShaderCode GenerateVertexShader(APIType api_type)
@ -56,27 +43,19 @@ ShaderCode GenerateVertexShader(APIType api_type)
ShaderCode out;
WriteHeader(api_type, out);
if (api_type == APIType::D3D)
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
{
out.Write("void main(in uint id : SV_VertexID, out float3 v_tex0 : TEXCOORD0,\n"
" out float4 opos : SV_Position) {{\n");
out.Write("VARYING_LOCATION(0) out VertexData {{\n"
" float3 v_tex0;\n"
"}};\n");
}
else if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
else
{
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
{
out.Write("VARYING_LOCATION(0) out VertexData {{\n"
" float3 v_tex0;\n"
"}};\n");
}
else
{
out.Write("VARYING_LOCATION(0) out float3 v_tex0;\n");
}
out.Write("#define id gl_VertexID\n"
"#define opos gl_Position\n"
"void main() {{\n");
out.Write("VARYING_LOCATION(0) out float3 v_tex0;\n");
}
out.Write("#define id gl_VertexID\n"
"#define opos gl_Position\n"
"void main() {{\n");
out.Write(" v_tex0 = float3(float((id << 1) & 2), float(id & 2), 0.0f);\n");
out.Write(
" opos = float4(v_tex0.xy * float2(2.0f, -2.0f) + float2(-1.0f, 1.0f), 0.0f, 1.0f);\n");
@ -98,38 +77,24 @@ ShaderCode GeneratePixelShader(APIType api_type, const UidData* uid_data)
ShaderCode out;
WriteHeader(api_type, out);
if (api_type == APIType::D3D)
out.Write("SAMPLER_BINDING(0) uniform sampler2DArray samp0;\n");
out.Write("float4 SampleEFB(float3 uv, float y_offset) {{\n"
" return texture(samp0, float3(uv.x, clamp(uv.y + (y_offset * pixel_height), "
"clamp_tb.x, clamp_tb.y), {}));\n"
"}}\n",
mono_depth ? "0.0" : "uv.z");
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
{
out.Write("Texture2DArray tex0 : register(t0);\n"
"SamplerState samp0 : register(s0);\n"
"float4 SampleEFB(float3 uv, float y_offset) {{\n"
" return tex0.Sample(samp0, float3(uv.x, clamp(uv.y + (y_offset * pixel_height), "
"clamp_tb.x, clamp_tb.y), {}));\n"
"}}\n\n",
mono_depth ? "0.0" : "uv.z");
out.Write("void main(in float3 v_tex0 : TEXCOORD0, out float4 ocol0 : SV_Target)\n{{\n");
out.Write("VARYING_LOCATION(0) in VertexData {{\n"
" float3 v_tex0;\n"
"}};\n");
}
else if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
else
{
out.Write("SAMPLER_BINDING(0) uniform sampler2DArray samp0;\n");
out.Write("float4 SampleEFB(float3 uv, float y_offset) {{\n"
" return texture(samp0, float3(uv.x, clamp(uv.y + (y_offset * pixel_height), "
"clamp_tb.x, clamp_tb.y), {}));\n"
"}}\n",
mono_depth ? "0.0" : "uv.z");
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
{
out.Write("VARYING_LOCATION(0) in VertexData {{\n"
" float3 v_tex0;\n"
"}};\n");
}
else
{
out.Write("VARYING_LOCATION(0) in vec3 v_tex0;\n");
}
out.Write("FRAGMENT_OUTPUT_LOCATION(0) out vec4 ocol0;\n"
"void main()\n{{\n");
out.Write("VARYING_LOCATION(0) in vec3 v_tex0;\n");
}
out.Write("FRAGMENT_OUTPUT_LOCATION(0) out vec4 ocol0;\n"
"void main()\n{{\n");
// The copy filter applies to both color and depth copies. This has been verified on hardware.
// The filter is only applied to the RGB channels, the alpha channel is left intact.