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[spv, qcom] Implement warp intrinsics support

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This commit is contained in:
CamilleLaVey 2025-11-27 14:02:03 -04:00 • committed by Caio Oliveira
parent 58b43ef0b7
commit f438306c66
9 changed files with 204 additions and 14 deletions
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12
src/video_core/renderer_vulkan/vk_compute_pass.cpp
View file

@ -462,10 +462,14 @@ QueriesPrefixScanPass::QueriesPrefixScanPass(
device_, descriptor_pool_, QUERIES_SCAN_DESCRIPTOR_SET_BINDINGS,
QUERIES_SCAN_DESCRIPTOR_UPDATE_TEMPLATE, QUERIES_SCAN_BANK_INFO,
COMPUTE_PUSH_CONSTANT_RANGE<sizeof(QueriesPrefixScanPushConstants)>,
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_BASIC_BIT) &&
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_ARITHMETIC_BIT) &&
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_SHUFFLE_BIT) &&
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT)
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_BASIC_BIT,
VK_SHADER_STAGE_COMPUTE_BIT) &&
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_ARITHMETIC_BIT,
VK_SHADER_STAGE_COMPUTE_BIT) &&
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_SHUFFLE_BIT,
VK_SHADER_STAGE_COMPUTE_BIT) &&
device_.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT,
VK_SHADER_STAGE_COMPUTE_BIT)
? std::span<const u32>(QUERIES_PREFIX_SCAN_SUM_COMP_SPV)
: std::span<const u32>(QUERIES_PREFIX_SCAN_SUM_NOSUBGROUPS_COMP_SPV)),
scheduler{scheduler_}, compute_pass_descriptor_queue{compute_pass_descriptor_queue_} {}

41
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View file

@ -105,6 +105,26 @@ Shader::CompareFunction MaxwellToCompareFunction(Maxwell::ComparisonOp compariso
return {};
}
VkShaderStageFlagBits StageToVkStage(Shader::Stage stage) {
switch (stage) {
case Shader::Stage::VertexA:
case Shader::Stage::VertexB:
return VK_SHADER_STAGE_VERTEX_BIT;
case Shader::Stage::TessellationControl:
return VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT;
case Shader::Stage::TessellationEval:
return VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT;
case Shader::Stage::Geometry:
return VK_SHADER_STAGE_GEOMETRY_BIT;
case Shader::Stage::Fragment:
return VK_SHADER_STAGE_FRAGMENT_BIT;
case Shader::Stage::Compute:
return VK_SHADER_STAGE_COMPUTE_BIT;
default:
return VK_SHADER_STAGE_VERTEX_BIT;
}
}
Shader::AttributeType CastAttributeType(const FixedPipelineState::VertexAttribute& attr) {
if (attr.enabled == 0) {
return Shader::AttributeType::Disabled;
@ -404,6 +424,27 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
.support_conditional_barrier = device.SupportsConditionalBarriers(),
};
profile.warp_stage_support_mask = 0;
static constexpr std::array kAllStages{
Shader::Stage::VertexA, Shader::Stage::VertexB,
Shader::Stage::TessellationControl, Shader::Stage::TessellationEval,
Shader::Stage::Geometry, Shader::Stage::Fragment,
Shader::Stage::Compute,
};
for (const auto stage : kAllStages) {
const auto vk_stage = StageToVkStage(stage);
if (device.SupportsWarpIntrinsics(vk_stage)) {
profile.warp_stage_support_mask |= 1u << static_cast<u32>(stage);
}
}
profile.support_vote = profile.warp_stage_support_mask != 0;
if (!profile.SupportsWarpIntrinsics(Shader::Stage::Fragment)) {
LOG_WARNING(Render_Vulkan,
"Fragment shaders lack subgroup support on this driver; warp intrinsics will be "
"approximated and visual artifacts may remain");
}
if (device.GetMaxVertexInputAttributes() < Maxwell::NumVertexAttributes) {
LOG_WARNING(Render_Vulkan, "maxVertexInputAttributes is too low: {} < {}",
device.GetMaxVertexInputAttributes(), Maxwell::NumVertexAttributes);