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shader_recompiler: Implement dual source blending (#3054)

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This commit is contained in:
TheTurtle
2025-06-08 21:38:58 +03:00
committed by GitHub
parent 2bc199a41b
commit 952cef5a15
6 changed files with 47 additions and 4 deletions
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13
src/video_core/renderer_vulkan/liverpool_to_vk.cpp
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@@ -214,6 +214,19 @@ vk::BlendFactor BlendFactor(Liverpool::BlendControl::BlendFactor factor) {
}
}
bool IsDualSourceBlendFactor(Liverpool::BlendControl::BlendFactor factor) {
using BlendFactor = Liverpool::BlendControl::BlendFactor;
switch (factor) {
case BlendFactor::Src1Color:
case BlendFactor::Src1Alpha:
case BlendFactor::InvSrc1Color:
case BlendFactor::InvSrc1Alpha:
return true;
default:
return false;
}
}
vk::BlendOp BlendOp(Liverpool::BlendControl::BlendFunc func) {
using BlendFunc = Liverpool::BlendControl::BlendFunc;
switch (func) {

2
src/video_core/renderer_vulkan/liverpool_to_vk.h
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@@ -30,6 +30,8 @@ vk::FrontFace FrontFace(Liverpool::FrontFace mode);
vk::BlendFactor BlendFactor(Liverpool::BlendControl::BlendFactor factor);
bool IsDualSourceBlendFactor(Liverpool::BlendControl::BlendFactor factor);
vk::BlendOp BlendOp(Liverpool::BlendControl::BlendFunc func);
vk::SamplerAddressMode ClampMode(AmdGpu::ClampMode mode);

9
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View File

@@ -158,6 +158,15 @@ const Shader::RuntimeInfo& PipelineCache::BuildRuntimeInfo(Stage stage, LogicalS
info.fs_info.addr_flags = regs.ps_input_addr;
const auto& ps_inputs = regs.ps_inputs;
info.fs_info.num_inputs = regs.num_interp;
const auto& cb0_blend = regs.blend_control[0];
info.fs_info.dual_source_blending =
LiverpoolToVK::IsDualSourceBlendFactor(cb0_blend.color_dst_factor) ||
LiverpoolToVK::IsDualSourceBlendFactor(cb0_blend.color_src_factor);
if (cb0_blend.separate_alpha_blend) {
info.fs_info.dual_source_blending |=
LiverpoolToVK::IsDualSourceBlendFactor(cb0_blend.alpha_dst_factor) ||
LiverpoolToVK::IsDualSourceBlendFactor(cb0_blend.alpha_src_factor);
}
for (u32 i = 0; i < regs.num_interp; i++) {
info.fs_info.inputs[i] = {
.param_index = u8(ps_inputs[i].input_offset.Value()),