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D3D9: Enable postprocessing of post shaders.

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Unknown W. Brackets 2020-05-10 16:01:32 -07:00
parent b91b7aaa0a
commit d17c5b30e1
1 changed files with 21 additions and 4 deletions
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25
GPU/Common/ShaderTranslation.cpp
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@ -105,25 +105,41 @@ layout(push_constant) uniform data {
};
)";
static const char *d3d9RegisterDecl = R"(
float4 gl_HalfPixel : register(c0);
float2 u_texelDelta : register(c1);
float2 u_pixelDelta : register(c2);
float4 u_time : register(c3);
float u_video : register(c4);
)";
// SPIRV-Cross' HLSL output has some deficiencies we need to work around.
// Also we need to rip out single uniforms and replace them with blocks.
// Should probably do it in the source shader instead and then back translate to old style GLSL, but
// SPIRV-Cross currently won't compile with the Android NDK so I can't be bothered.
std::string Postprocess(std::string code, ShaderLanguage lang, Draw::ShaderStage stage) {
if (lang != HLSL_D3D11)
if (lang != HLSL_D3D11 && lang != HLSL_DX9)
return code;
std::stringstream out;
// Output the uniform buffer.
out << cbufferDecl;
if (lang == HLSL_D3D11)
out << cbufferDecl;
else if (lang == HLSL_DX9)
out << d3d9RegisterDecl;
// Alright, now let's go through it line by line and zap the single uniforms.
std::string line;
std::stringstream instream(code);
while (std::getline(instream, line)) {
if (line.find("uniform float") != std::string::npos)
if (line == "uniform sampler2D sampler0;" && lang == HLSL_DX9) {
out << "sampler2D sampler0 : register(s0);\n";
continue;
}
if (line.find("uniform float") != std::string::npos) {
continue;
}
out << line << "\n";
}
std::string output = out.str();
@ -269,7 +285,8 @@ bool TranslateShader(std::string *dest, ShaderLanguage destLang, TranslatedShade
options_common.vertex.fixup_clipspace = true;
hlsl.set_hlsl_options(options);
hlsl.set_common_options(options_common);
*dest = hlsl.compile();
std::string raw = hlsl.compile();
*dest = Postprocess(raw, destLang, stage);
return true;
}
case HLSL_D3D11: