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D3D / VideoCommon: generate HLSL from SPIRV
This commit is contained in:
iwubcode
@ -72,93 +72,89 @@ ShaderCode GenPixelShader(APIType api_type, const ShaderHostConfig& host_config,
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if (per_pixel_lighting)
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WriteLightingFunction(out);
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// Shader inputs/outputs in GLSL (HLSL is in main).
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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{
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#ifdef __APPLE__
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// Framebuffer fetch is only supported by Metal, so ensure that we're running Vulkan (MoltenVK)
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// if we want to use it.
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if (api_type == APIType::Vulkan)
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// Framebuffer fetch is only supported by Metal, so ensure that we're running Vulkan (MoltenVK)
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// if we want to use it.
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if (api_type == APIType::Vulkan)
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{
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if (use_dual_source)
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{
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if (use_dual_source)
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{
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out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) out vec4 {};\n"
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"FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1) out vec4 ocol1;\n",
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use_framebuffer_fetch ? "real_ocol0" : "ocol0");
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}
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else
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{
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// Metal doesn't support a single unified variable for both input and output,
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// so when using framebuffer fetch, we declare the input separately below.
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out.Write("FRAGMENT_OUTPUT_LOCATION(0) out vec4 {};\n",
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use_framebuffer_fetch ? "real_ocol0" : "ocol0");
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}
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if (use_framebuffer_fetch)
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{
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// Subpass inputs will be converted to framebuffer fetch by SPIRV-Cross.
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out.Write("INPUT_ATTACHMENT_BINDING(0, 0, 0) uniform subpassInput in_ocol0;\n");
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}
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}
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else
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#endif
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{
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bool has_broken_decoration =
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DriverDetails::HasBug(DriverDetails::BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION);
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out.Write("{} {} vec4 {};\n",
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has_broken_decoration ? "FRAGMENT_OUTPUT_LOCATION(0)" :
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"FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0)",
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use_framebuffer_fetch ? "FRAGMENT_INOUT" : "out",
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out.Write("FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0) out vec4 {};\n"
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"FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1) out vec4 ocol1;\n",
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use_framebuffer_fetch ? "real_ocol0" : "ocol0");
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if (use_dual_source)
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{
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out.Write("{} out vec4 ocol1;\n", has_broken_decoration ?
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"FRAGMENT_OUTPUT_LOCATION(1)" :
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"FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1)");
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}
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}
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if (per_pixel_depth)
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out.Write("#define depth gl_FragDepth\n");
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if (host_config.backend_geometry_shaders)
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{
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out.Write("VARYING_LOCATION(0) in VertexData {{\n");
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GenerateVSOutputMembers(out, api_type, numTexgen, host_config,
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GetInterpolationQualifier(msaa, ssaa, true, true));
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if (stereo)
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out.Write(" flat int layer;\n");
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out.Write("}};\n\n");
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}
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else
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{
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// Let's set up attributes
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u32 counter = 0;
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out.Write("VARYING_LOCATION({}) {} in float4 colors_0;\n", counter++,
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// Metal doesn't support a single unified variable for both input and output,
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// so when using framebuffer fetch, we declare the input separately below.
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out.Write("FRAGMENT_OUTPUT_LOCATION(0) out vec4 {};\n",
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use_framebuffer_fetch ? "real_ocol0" : "ocol0");
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}
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if (use_framebuffer_fetch)
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{
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// Subpass inputs will be converted to framebuffer fetch by SPIRV-Cross.
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out.Write("INPUT_ATTACHMENT_BINDING(0, 0, 0) uniform subpassInput in_ocol0;\n");
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}
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}
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else
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#endif
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{
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bool has_broken_decoration =
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DriverDetails::HasBug(DriverDetails::BUG_BROKEN_FRAGMENT_SHADER_INDEX_DECORATION);
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out.Write("{} {} vec4 {};\n",
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has_broken_decoration ? "FRAGMENT_OUTPUT_LOCATION(0)" :
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"FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 0)",
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use_framebuffer_fetch ? "FRAGMENT_INOUT" : "out",
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use_framebuffer_fetch ? "real_ocol0" : "ocol0");
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if (use_dual_source)
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{
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out.Write("{} out vec4 ocol1;\n", has_broken_decoration ?
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"FRAGMENT_OUTPUT_LOCATION(1)" :
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"FRAGMENT_OUTPUT_LOCATION_INDEXED(0, 1)");
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}
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}
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if (per_pixel_depth)
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out.Write("#define depth gl_FragDepth\n");
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if (host_config.backend_geometry_shaders)
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{
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out.Write("VARYING_LOCATION(0) in VertexData {{\n");
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GenerateVSOutputMembers(out, api_type, numTexgen, host_config,
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GetInterpolationQualifier(msaa, ssaa, true, true), ShaderStage::Pixel);
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if (stereo)
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out.Write(" flat int layer;\n");
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out.Write("}};\n\n");
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}
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else
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{
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// Let's set up attributes
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u32 counter = 0;
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out.Write("VARYING_LOCATION({}) {} in float4 colors_0;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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out.Write("VARYING_LOCATION({}) {} in float4 colors_1;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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for (u32 i = 0; i < numTexgen; ++i)
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{
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out.Write("VARYING_LOCATION({}) {} in float3 tex{};\n", counter++,
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GetInterpolationQualifier(msaa, ssaa), i);
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}
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if (!host_config.fast_depth_calc)
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{
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out.Write("VARYING_LOCATION({}) {} in float4 clipPos;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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out.Write("VARYING_LOCATION({}) {} in float4 colors_1;\n", counter++,
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}
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if (per_pixel_lighting)
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{
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out.Write("VARYING_LOCATION({}) {} in float3 Normal;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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out.Write("VARYING_LOCATION({}) {} in float3 WorldPos;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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for (u32 i = 0; i < numTexgen; ++i)
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{
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out.Write("VARYING_LOCATION({}) {} in float3 tex{};\n", counter++,
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GetInterpolationQualifier(msaa, ssaa), i);
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}
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if (!host_config.fast_depth_calc)
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{
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out.Write("VARYING_LOCATION({}) {} in float4 clipPos;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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}
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if (per_pixel_lighting)
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{
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out.Write("VARYING_LOCATION({}) {} in float3 Normal;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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out.Write("VARYING_LOCATION({}) {} in float3 WorldPos;\n", counter++,
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GetInterpolationQualifier(msaa, ssaa));
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}
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}
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}
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@ -243,10 +239,7 @@ ShaderCode GenPixelShader(APIType api_type, const ShaderHostConfig& host_config,
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// Doesn't look like DirectX supports this. Oh well the code path is here just in case it
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// supports this in the future.
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out.Write("int4 sampleTextureWrapper(uint texmap, int2 uv, int layer) {{\n");
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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out.Write(" return sampleTexture(texmap, samp[texmap], uv, layer);\n");
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else if (api_type == APIType::D3D)
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out.Write(" return sampleTexture(texmap, tex[texmap], samp[texmap], uv, layer);\n");
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out.Write(" return sampleTexture(texmap, samp[texmap], uv, layer);\n");
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out.Write("}}\n\n");
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}
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else
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@ -259,15 +252,7 @@ ShaderCode GenPixelShader(APIType api_type, const ShaderHostConfig& host_config,
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" switch(sampler_num) {{\n");
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for (int i = 0; i < 8; i++)
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{
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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{
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out.Write(" case {0}u: return sampleTexture({0}u, samp[{0}u], uv, layer);\n", i);
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}
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else if (api_type == APIType::D3D)
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{
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out.Write(" case {0}u: return sampleTexture({0}u, tex[{0}u], samp[{0}u], uv, layer);\n",
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i);
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}
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out.Write(" case {0}u: return sampleTexture({0}u, samp[{0}u], uv, layer);\n", i);
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}
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out.Write(" }}\n"
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"}}\n\n");
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@ -522,82 +507,34 @@ ShaderCode GenPixelShader(APIType api_type, const ShaderHostConfig& host_config,
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out.Write(")\n\n");
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}
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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if (early_depth && host_config.backend_early_z)
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out.Write("FORCE_EARLY_Z;\n");
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out.Write("void main()\n{{\n");
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out.Write(" float4 rawpos = gl_FragCoord;\n");
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if (use_framebuffer_fetch)
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{
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if (early_depth && host_config.backend_early_z)
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out.Write("FORCE_EARLY_Z;\n");
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// Store off a copy of the initial framebuffer value.
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//
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// If FB_FETCH_VALUE isn't defined (i.e. no special keyword for fetching from the
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// framebuffer), we read from real_ocol0.
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out.Write("#ifdef FB_FETCH_VALUE\n"
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" float4 initial_ocol0 = FB_FETCH_VALUE;\n"
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"#else\n"
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" float4 initial_ocol0 = real_ocol0;\n"
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"#endif\n");
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out.Write("void main()\n{{\n");
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out.Write(" float4 rawpos = gl_FragCoord;\n");
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if (use_framebuffer_fetch)
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{
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// Store off a copy of the initial framebuffer value.
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//
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// If FB_FETCH_VALUE isn't defined (i.e. no special keyword for fetching from the
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// framebuffer), we read from real_ocol0.
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out.Write("#ifdef FB_FETCH_VALUE\n"
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" float4 initial_ocol0 = FB_FETCH_VALUE;\n"
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"#else\n"
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" float4 initial_ocol0 = real_ocol0;\n"
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"#endif\n");
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// QComm's Adreno driver doesn't seem to like using the framebuffer_fetch value as an
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// intermediate value with multiple reads & modifications, so we pull out the "real" output
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// value above and use a temporary for calculations, then set the output value once at the
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// end of the shader.
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out.Write(" float4 ocol0;\n");
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}
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if (use_shader_blend)
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{
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out.Write(" float4 ocol1;\n");
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}
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// QComm's Adreno driver doesn't seem to like using the framebuffer_fetch value as an
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// intermediate value with multiple reads & modifications, so we pull out the "real" output
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// value above and use a temporary for calculations, then set the output value once at the
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// end of the shader.
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out.Write(" float4 ocol0;\n");
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}
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else // D3D
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if (use_shader_blend)
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{
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if (early_depth && host_config.backend_early_z)
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out.Write("[earlydepthstencil]\n");
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out.Write("void main(\n");
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if (uid_data->uint_output)
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{
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out.Write(" out uint4 ocol0 : SV_Target,\n");
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}
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else
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{
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out.Write(" out float4 ocol0 : SV_Target0,\n"
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" out float4 ocol1 : SV_Target1,\n");
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}
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if (per_pixel_depth)
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out.Write(" out float depth : SV_Depth,\n");
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out.Write(" in float4 rawpos : SV_Position,\n");
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out.Write(" in {} float4 colors_0 : COLOR0,\n", GetInterpolationQualifier(msaa, ssaa));
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out.Write(" in {} float4 colors_1 : COLOR1", GetInterpolationQualifier(msaa, ssaa));
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// compute window position if needed because binding semantic WPOS is not widely supported
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for (u32 i = 0; i < numTexgen; ++i)
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{
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out.Write(",\n in {} float3 tex{} : TEXCOORD{}", GetInterpolationQualifier(msaa, ssaa), i,
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i);
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}
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if (!host_config.fast_depth_calc)
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{
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out.Write("\n,\n in {} float4 clipPos : TEXCOORD{}", GetInterpolationQualifier(msaa, ssaa),
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numTexgen);
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}
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if (per_pixel_lighting)
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{
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out.Write(",\n in {} float3 Normal : TEXCOORD{}", GetInterpolationQualifier(msaa, ssaa),
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numTexgen + 1);
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out.Write(",\n in {} float3 WorldPos : TEXCOORD{}", GetInterpolationQualifier(msaa, ssaa),
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numTexgen + 2);
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}
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out.Write(",\n in float clipDist0 : SV_ClipDistance0\n"
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",\n in float clipDist1 : SV_ClipDistance1\n");
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if (stereo)
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out.Write(",\n in uint layer : SV_RenderTargetArrayIndex\n");
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out.Write("\n ) {{\n");
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out.Write(" float4 ocol1;\n");
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}
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if (!stereo)
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out.Write(" int layer = 0;\n");
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@ -634,11 +571,6 @@ ShaderCode GenPixelShader(APIType api_type, const ShaderHostConfig& host_config,
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BitfieldExtract<&GenMode::numtevstages>("bpmem_genmode"));
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out.Write(" // Main tev loop\n");
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if (api_type == APIType::D3D)
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{
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// Tell DirectX we don't want this loop unrolled (it crashes if it tries to)
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out.Write(" [loop]\n");
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}
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out.Write(" for(uint stage = 0u; stage <= num_stages; stage++)\n"
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" {{\n"
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