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Reuse pipelines when inactive blend settings change

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This commit is contained in:
nmzik
2026-10-01 22:09:59 +04:00
parent f29bd0fe35
commit b86cf0a820
2 changed files with 26 additions and 11 deletions
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tests/ShaderRecompilerComputeTests.cpp
+15 -4
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@@ -14507,11 +14507,14 @@ public:
"last-vertex flat shading changed coverage or did not use vertex two");
}
const auto blend_pipeline = [&](bool enabled, bool bypass) -> PipelineCache::Pipeline & {
const auto blend_pipeline = [&](bool enabled, bool bypass,
bool alternate = false) -> PipelineCache::Pipeline & {
auto blend = registers.GetBlendControl(0);
blend.enable = enabled;
blend.color_srcblend = static_cast<uint8_t>(Prospero::BlendFactor::kZero);
blend.alpha_srcblend = static_cast<uint8_t>(Prospero::BlendFactor::kZero);
blend.color_srcblend = static_cast<uint8_t>(alternate ? Prospero::BlendFactor::kOne
: Prospero::BlendFactor::kZero);
blend.alpha_srcblend = blend.color_srcblend;
blend.separate_alpha_blend = alternate;
registers.SetBlendControl(0, blend);
auto target = registers.GetRenderTarget(0).info;
target.blend_bypass = bypass;
@@ -14521,13 +14524,21 @@ public:
auto &disabled_blend = blend_pipeline(false, false);
Require(name, "effective blend pipeline cache",
blend_pipeline(false, true).pipeline == disabled_blend.pipeline &&
blend_pipeline(true, true).pipeline == disabled_blend.pipeline,
blend_pipeline(true, true).pipeline == disabled_blend.pipeline &&
blend_pipeline(false, false, true).pipeline == disabled_blend.pipeline &&
blend_pipeline(true, true, true).pipeline == disabled_blend.pipeline,
"disabled and bypassed blending did not share the same host pipeline");
auto &enabled_blend = blend_pipeline(true, false);
Require(name, "enabled blend pipeline cache",
enabled_blend.pipeline != disabled_blend.pipeline &&
blend_pipeline(true, false).pipeline == enabled_blend.pipeline,
"active blending was lost from the pipeline key or missed its cached pipeline");
auto dormant_alpha = registers.GetBlendControl(0);
dormant_alpha.alpha_srcblend = static_cast<uint8_t>(Prospero::BlendFactor::kOne);
registers.SetBlendControl(0, dormant_alpha);
Require(name, "dormant alpha blend pipeline cache",
pipeline(true, 2, 2).pipeline == enabled_blend.pipeline,
"inactive separate-alpha state recompiled the pipeline");
draw(enabled_blend);
const auto blended_pixels = read_color();
Require(name, "active blend output",