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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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src/graphics/host_gpu/renderer/pipeline/pipelineCache.cpp
+11 -7
View File
@@ -714,13 +714,6 @@ PipelineCache::Pipeline& PipelineCache::GetGraphicsPipeline(
}
const auto& rt = ctx.GetRenderTarget(colors[i].target_slot);
const auto& bc = ctx.GetBlendControl(colors[i].target_slot);
static_params.color_srcblend[slot] = bc.color_srcblend;
static_params.color_comb_fcn[slot] = bc.color_comb_fcn;
static_params.color_destblend[slot] = bc.color_destblend;
static_params.alpha_srcblend[slot] = bc.alpha_srcblend;
static_params.alpha_comb_fcn[slot] = bc.alpha_comb_fcn;
static_params.alpha_destblend[slot] = bc.alpha_destblend;
static_params.separate_alpha_blend[slot] = bc.separate_alpha_blend;
const bool alpha_remap =
slot == 0 && ps_input_info != nullptr && ps_input_info->alpha_blend_source_remap;
static_params.blend_enable[slot] = bc.enable && !rt.info.blend_bypass;
@@ -739,6 +732,17 @@ PipelineCache::Pipeline& PipelineCache::GetGraphicsPipeline(
if (alpha_remap) {
static_params.blend_alpha_source_remap = true;
}
if (static_params.blend_enable[slot]) {
static_params.color_srcblend[slot] = bc.color_srcblend;
static_params.color_comb_fcn[slot] = bc.color_comb_fcn;
static_params.color_destblend[slot] = bc.color_destblend;
static_params.separate_alpha_blend[slot] = bc.separate_alpha_blend;
if (bc.separate_alpha_blend) {
static_params.alpha_srcblend[slot] = bc.alpha_srcblend;
static_params.alpha_comb_fcn[slot] = bc.alpha_comb_fcn;
static_params.alpha_destblend[slot] = bc.alpha_destblend;
}
}
}
const bool with_depth =
depth.desc.view_info.format != vk::Format::eUndefined && static_cast<bool>(depth.image_id);
tests/ShaderRecompilerComputeTests.cpp
+15 -4
View File
@@ -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",