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[vulkan] Refactored dual blending/ dual source attachments

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This commit is contained in:
CamilleLaVey
2026-07-04 19:03:27 -04:00
parent f5720663c2
commit 7bb4991edd
3 changed files with 35 additions and 26 deletions
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src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
+32
View File
@@ -57,6 +57,37 @@ constexpr std::array TOPOLOGY_CLASS_REPRESENTATIVE_LUT = {
Maxwell::PrimitiveTopology::Patches, // Patches
};
bool IsDualSourceBlendFactor(Maxwell::Blend::Factor factor) {
using F = Maxwell::Blend::Factor;
switch (factor) {
case F::Source1Color_D3D:
case F::OneMinusSource1Color_D3D:
case F::Source1Alpha_D3D:
case F::OneMinusSource1Alpha_D3D:
case F::Source1Color_GL:
case F::OneMinusSource1Color_GL:
case F::Source1Alpha_GL:
case F::OneMinusSource1Alpha_GL:
return true;
default:
return false;
}
}
bool ComputeAttachment0DualSourceBlend(const Maxwell& regs) {
if (!regs.blend.enable[0]) {
return false;
}
const auto uses_dual_source = [](const auto& blend) {
return IsDualSourceBlendFactor(blend.color_source) ||
IsDualSourceBlendFactor(blend.color_dest) ||
IsDualSourceBlendFactor(blend.alpha_source) ||
IsDualSourceBlendFactor(blend.alpha_dest);
};
return regs.blend_per_target_enabled ? uses_dual_source(regs.blend_per_target[0])
: uses_dual_source(regs.blend);
}
void RefreshXfbState(VideoCommon::TransformFeedbackState& state, const Maxwell& regs) {
std::ranges::transform(regs.transform_feedback.controls, state.layouts.begin(),
[](const auto& layout) {
@@ -96,6 +127,7 @@ void FixedPipelineState::Refresh(Tegra::Engines::Maxwell3D& maxwell3d, DynamicFe
? TOPOLOGY_CLASS_REPRESENTATIVE_LUT[static_cast<size_t>(topology_)]
: topology_);
msaa_mode.Assign(regs.anti_alias_samples_mode);
attachment0_dual_source_blend.Assign(ComputeAttachment0DualSourceBlend(regs) ? 1 : 0);
raw2 = 0;
src/video_core/renderer_vulkan/fixed_pipeline_state.h
+2
View File
@@ -211,6 +211,8 @@ struct FixedPipelineState {
BitField<15, 5, u32> patch_control_points_minus_one;
BitField<20, 1, u32> color_write_enable_dynamic;
BitField<21, 1, u32> attachment0_dual_source_blend;
BitField<24, 4, Maxwell::PrimitiveTopology> topology;
BitField<28, 4, Tegra::Texture::MsaaMode> msaa_mode;
};
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
+1 -26
View File
@@ -246,32 +246,7 @@ Shader::RuntimeInfo MakeRuntimeInfo(std::span<const Shader::IR::Program> program
key.state.UnpackComparisonOp(key.state.alpha_test_func.Value()));
info.alpha_test_reference = std::bit_cast<float>(key.state.alpha_test_ref);
// Check for dual source blending
const auto& blend0 = key.state.attachments[0];
if (blend0.enable != 0) {
using F = Maxwell::Blend::Factor;
const auto src_rgb = blend0.SourceRGBFactor();
const auto dst_rgb = blend0.DestRGBFactor();
const auto src_a = blend0.SourceAlphaFactor();
const auto dst_a = blend0.DestAlphaFactor();
info.dual_source_blend =
src_rgb == F::Source1Color_D3D || src_rgb == F::OneMinusSource1Color_D3D ||
src_rgb == F::Source1Alpha_D3D || src_rgb == F::OneMinusSource1Alpha_D3D ||
src_rgb == F::Source1Color_GL || src_rgb == F::OneMinusSource1Color_GL ||
src_rgb == F::Source1Alpha_GL || src_rgb == F::OneMinusSource1Alpha_GL ||
dst_rgb == F::Source1Color_D3D || dst_rgb == F::OneMinusSource1Color_D3D ||
dst_rgb == F::Source1Alpha_D3D || dst_rgb == F::OneMinusSource1Alpha_D3D ||
dst_rgb == F::Source1Color_GL || dst_rgb == F::OneMinusSource1Color_GL ||
dst_rgb == F::Source1Alpha_GL || dst_rgb == F::OneMinusSource1Alpha_GL ||
src_a == F::Source1Color_D3D || src_a == F::OneMinusSource1Color_D3D ||
src_a == F::Source1Alpha_D3D || src_a == F::OneMinusSource1Alpha_D3D ||
src_a == F::Source1Color_GL || src_a == F::OneMinusSource1Color_GL ||
src_a == F::Source1Alpha_GL || src_a == F::OneMinusSource1Alpha_GL ||
dst_a == F::Source1Color_D3D || dst_a == F::OneMinusSource1Color_D3D ||
dst_a == F::Source1Alpha_D3D || dst_a == F::OneMinusSource1Alpha_D3D ||
dst_a == F::Source1Color_GL || dst_a == F::OneMinusSource1Color_GL ||
dst_a == F::Source1Alpha_GL || dst_a == F::OneMinusSource1Alpha_GL;
}
info.dual_source_blend = key.state.attachment0_dual_source_blend != 0;
if (device.IsMoltenVK()) {
for (size_t i = 0; i < 8; ++i) {