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shader_recompiler: Implement dual source blending (#3054)

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TheTurtle 2025-06-08 21:38:58 +03:00 • committed by GitHub
parent 2bc199a41b
commit 952cef5a15
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GPG key ID: B5690EEEBB952194
6 changed files with 47 additions and 4 deletions
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10
src/shader_recompiler/frontend/translate/export.cpp
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@ -26,8 +26,11 @@ void Translator::ExportMrtValue(IR::Attribute attribute, u32 comp, const IR::F32
}
void Translator::ExportMrtCompressed(IR::Attribute attribute, u32 idx, const IR::U32& value) {
const u32 color_buffer_idx =
u32 color_buffer_idx =
static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::RenderTarget0);
if (runtime_info.fs_info.dual_source_blending && attribute == IR::Attribute::RenderTarget1) {
color_buffer_idx = 0;
}
const auto color_buffer = runtime_info.fs_info.color_buffers[color_buffer_idx];
AmdGpu::NumberFormat num_format;
@ -68,8 +71,11 @@ void Translator::ExportMrtCompressed(IR::Attribute attribute, u32 idx, const IR:
}
void Translator::ExportMrtUncompressed(IR::Attribute attribute, u32 comp, const IR::F32& value) {
const u32 color_buffer_idx =
u32 color_buffer_idx =
static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::RenderTarget0);
if (runtime_info.fs_info.dual_source_blending && attribute == IR::Attribute::RenderTarget1) {
color_buffer_idx = 0;
}
const auto color_buffer = runtime_info.fs_info.color_buffers[color_buffer_idx];
const auto swizzled_comp = SwizzleMrtComponent(color_buffer, comp);