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D3D / VideoCommon: generate HLSL from SPIRV
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iwubcode
@ -56,48 +56,27 @@ u16 GetEncodedSampleCount(EFBCopyFormat format)
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static void WriteHeader(ShaderCode& code, APIType api_type)
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{
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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// left, top, of source rectangle within source texture
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// width of the destination rectangle, scale_factor (1 or 2)
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code.Write("UBO_BINDING(std140, 1) uniform PSBlock {{\n"
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" int4 position;\n"
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" float y_scale;\n"
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" float gamma_rcp;\n"
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" float2 clamp_tb;\n"
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" float3 filter_coefficients;\n"
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"}};\n");
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if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
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{
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// left, top, of source rectangle within source texture
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// width of the destination rectangle, scale_factor (1 or 2)
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code.Write("UBO_BINDING(std140, 1) uniform PSBlock {{\n"
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" int4 position;\n"
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" float y_scale;\n"
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" float gamma_rcp;\n"
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" float2 clamp_tb;\n"
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" float3 filter_coefficients;\n"
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code.Write("VARYING_LOCATION(0) in VertexData {{\n"
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" float3 v_tex0;\n"
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"}};\n");
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if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
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{
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code.Write("VARYING_LOCATION(0) in VertexData {{\n"
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" float3 v_tex0;\n"
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"}};\n");
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}
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else
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{
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code.Write("VARYING_LOCATION(0) in float3 v_tex0;\n");
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}
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code.Write("SAMPLER_BINDING(0) uniform sampler2DArray samp0;\n"
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"FRAGMENT_OUTPUT_LOCATION(0) out float4 ocol0;\n");
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}
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else // D3D
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else
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{
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code.Write("cbuffer PSBlock : register(b0) {{\n"
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" int4 position;\n"
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" float y_scale;\n"
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" float gamma_rcp;\n"
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" float2 clamp_tb;\n"
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" float3 filter_coefficients;\n"
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"}};\n"
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"sampler samp0 : register(s0);\n"
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"Texture2DArray Tex0 : register(t0);\n");
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code.Write("VARYING_LOCATION(0) in float3 v_tex0;\n");
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}
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// D3D does not have roundEven(), only round(), which is specified "to the nearest integer".
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// This differs from the roundEven() behavior, but to get consistency across drivers in OpenGL
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// we need to use roundEven().
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if (api_type == APIType::D3D)
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code.Write("#define roundEven(x) round(x)\n");
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code.Write("SAMPLER_BINDING(0) uniform sampler2DArray samp0;\n"
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"FRAGMENT_OUTPUT_LOCATION(0) out float4 ocol0;\n");
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// Alpha channel in the copy is set to 1 the EFB format does not have an alpha channel.
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code.Write("float4 RGBA8ToRGB8(float4 src)\n"
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@ -149,10 +128,7 @@ static void WriteSampleFunction(ShaderCode& code, const EFBCopyParams& params, A
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code.Write("(");
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}
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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code.Write("texture(samp0, float3(");
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else
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code.Write("Tex0.Sample(samp0, float3(");
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code.Write("texture(samp0, float3(");
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code.Write("uv.x + float(xoffset) * pixel_size.x, ");
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@ -211,23 +187,10 @@ static void WriteSwizzler(ShaderCode& code, const EFBCopyParams& params, EFBCopy
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WriteHeader(code, api_type);
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WriteSampleFunction(code, params, api_type);
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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{
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code.Write("void main()\n"
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"{{\n"
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" int2 sampleUv;\n"
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" int2 uv1 = int2(gl_FragCoord.xy);\n");
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}
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else // D3D
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{
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code.Write("void main(\n"
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" in float3 v_tex0 : TEXCOORD0,\n"
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" in float4 rawpos : SV_Position,\n"
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" out float4 ocol0 : SV_Target)\n"
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"{{\n"
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" int2 sampleUv;\n"
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" int2 uv1 = int2(rawpos.xy);\n");
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}
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code.Write("void main()\n"
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"{{\n"
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" int2 sampleUv;\n"
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" int2 uv1 = int2(gl_FragCoord.xy);\n");
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const int blkW = TexDecoder_GetEFBCopyBlockWidthInTexels(format);
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const int blkH = TexDecoder_GetEFBCopyBlockHeightInTexels(format);
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@ -853,11 +816,7 @@ static const char decoding_shader_header[] = R"(
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#define HAS_PALETTE 1
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#endif
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#ifdef API_D3D
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cbuffer UBO : register(b0) {
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#else
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UBO_BINDING(std140, 1) uniform UBO {
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#endif
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uint2 u_dst_size;
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uint2 u_src_size;
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uint u_src_offset;
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@ -865,37 +824,6 @@ UBO_BINDING(std140, 1) uniform UBO {
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uint u_palette_offset;
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};
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#ifdef API_D3D
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Buffer<uint4> s_input_buffer : register(t0);
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#ifdef HAS_PALETTE
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Buffer<uint4> s_palette_buffer : register(t1);
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#endif
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RWTexture2DArray<unorm float4> output_image : register(u0);
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// Helpers for reading/writing.
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#define texelFetch(buffer, pos) buffer.Load(pos)
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#define imageStore(image, coords, value) image[coords] = value
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#define GROUP_MEMORY_BARRIER_WITH_SYNC GroupMemoryBarrierWithGroupSync();
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#define GROUP_SHARED groupshared
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#define DEFINE_MAIN(lx, ly) \
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[numthreads(lx, ly, 1)] \
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void main(uint3 gl_WorkGroupID : SV_GroupId, \
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uint3 gl_LocalInvocationID : SV_GroupThreadID, \
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uint3 gl_GlobalInvocationID : SV_DispatchThreadID)
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uint bitfieldExtract(uint val, int off, int size)
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{
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// This built-in function is only support in OpenGL 4.0+ and ES 3.1+\n"
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// Microsoft's HLSL compiler automatically optimises this to a bitfield extract instruction.
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uint mask = uint((1 << size) - 1);
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return uint(val >> off) & mask;
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}
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#else
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TEXEL_BUFFER_BINDING(0) uniform usamplerBuffer s_input_buffer;
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#ifdef HAS_PALETTE
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TEXEL_BUFFER_BINDING(1) uniform usamplerBuffer s_palette_buffer;
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@ -909,8 +837,6 @@ IMAGE_BINDING(rgba8, 0) uniform writeonly image2DArray output_image;
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layout(local_size_x = lx, local_size_y = ly) in; \
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void main()
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#endif
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uint Swap16(uint v)
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{
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// Convert BE to LE.
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@ -1498,48 +1424,29 @@ float4 DecodePixel(int val)
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ss << "\n";
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if (api_type == APIType::D3D)
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{
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ss << "Buffer<uint> tex0 : register(t0);\n";
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ss << "Texture2DArray tex1 : register(t1);\n";
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ss << "SamplerState samp1 : register(s1);\n";
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ss << "cbuffer PSBlock : register(b0) {\n";
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}
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else
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{
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ss << "TEXEL_BUFFER_BINDING(0) uniform usamplerBuffer samp0;\n";
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ss << "SAMPLER_BINDING(1) uniform sampler2DArray samp1;\n";
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ss << "UBO_BINDING(std140, 1) uniform PSBlock {\n";
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}
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ss << "TEXEL_BUFFER_BINDING(0) uniform usamplerBuffer samp0;\n";
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ss << "SAMPLER_BINDING(1) uniform sampler2DArray samp1;\n";
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ss << "UBO_BINDING(std140, 1) uniform PSBlock {\n";
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ss << " float multiplier;\n";
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ss << " int texel_buffer_offset;\n";
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ss << "};\n";
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if (api_type == APIType::D3D)
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if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
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{
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ss << "void main(in float3 v_tex0 : TEXCOORD0, out float4 ocol0 : SV_Target) {\n";
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ss << " int src = int(round(tex1.Sample(samp1, v_tex0).r * multiplier));\n";
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ss << " src = int(tex0.Load(src + texel_buffer_offset).r);\n";
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ss << "VARYING_LOCATION(0) in VertexData {\n";
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ss << " float3 v_tex0;\n";
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ss << "};\n";
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}
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else
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{
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if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
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{
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ss << "VARYING_LOCATION(0) in VertexData {\n";
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ss << " float3 v_tex0;\n";
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ss << "};\n";
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}
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else
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{
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ss << "VARYING_LOCATION(0) in float3 v_tex0;\n";
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}
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ss << "FRAGMENT_OUTPUT_LOCATION(0) out float4 ocol0;\n";
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ss << "void main() {\n";
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ss << " float3 coords = v_tex0;\n";
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ss << " int src = int(round(texture(samp1, coords).r * multiplier));\n";
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ss << " src = int(texelFetch(samp0, src + texel_buffer_offset).r);\n";
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ss << "VARYING_LOCATION(0) in float3 v_tex0;\n";
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}
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ss << "FRAGMENT_OUTPUT_LOCATION(0) out float4 ocol0;\n";
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ss << "void main() {\n";
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ss << " float3 coords = v_tex0;\n";
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ss << " int src = int(round(texture(samp1, coords).r * multiplier));\n";
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ss << " src = int(texelFetch(samp0, src + texel_buffer_offset).r);\n";
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ss << " src = ((src << 8) & 0xFF00) | (src >> 8);\n";
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ss << " ocol0 = DecodePixel(src);\n";
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