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[vk] DualBlendFactor

This commit is contained in:
CamilleLaVey 2025-12-01 02:37:41 -04:00 committed by Caio Oliveira
parent 1a75757bbf
commit ae48fe0a13
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GPG Key ID: AAAE6C7FD4186B0C
4 changed files with 85 additions and 4 deletions
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1
src/video_core/renderer_vulkan/fixed_pipeline_state.h
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@ -27,6 +27,7 @@ struct DynamicFeatures {
bool has_extended_dynamic_state_2_patch_control_points;
bool has_extended_dynamic_state_3_blend;
bool has_extended_dynamic_state_3_enables;
bool has_dual_source_blend;
bool has_dynamic_vertex_input;
};

73
src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
View File

@ -83,6 +83,48 @@ PixelFormat ResolveTexelBufferFormat(PixelFormat format,
return format;
}
bool UsesDualSourceFactor(Maxwell::Blend::Factor factor) {
switch (factor) {
case Maxwell::Blend::Factor::Source1Color_D3D:
case Maxwell::Blend::Factor::Source1Color_GL:
case Maxwell::Blend::Factor::OneMinusSource1Color_D3D:
case Maxwell::Blend::Factor::OneMinusSource1Color_GL:
case Maxwell::Blend::Factor::Source1Alpha_D3D:
case Maxwell::Blend::Factor::Source1Alpha_GL:
case Maxwell::Blend::Factor::OneMinusSource1Alpha_D3D:
case Maxwell::Blend::Factor::OneMinusSource1Alpha_GL:
return true;
default:
return false;
}
}
Maxwell::Blend::Factor FallbackDualSourceFactor(Maxwell::Blend::Factor factor) {
switch (factor) {
case Maxwell::Blend::Factor::Source1Color_D3D:
case Maxwell::Blend::Factor::Source1Color_GL:
return Maxwell::Blend::Factor::SourceColor_D3D;
case Maxwell::Blend::Factor::OneMinusSource1Color_D3D:
case Maxwell::Blend::Factor::OneMinusSource1Color_GL:
return Maxwell::Blend::Factor::OneMinusSourceColor_D3D;
case Maxwell::Blend::Factor::Source1Alpha_D3D:
case Maxwell::Blend::Factor::Source1Alpha_GL:
return Maxwell::Blend::Factor::SourceAlpha_D3D;
case Maxwell::Blend::Factor::OneMinusSource1Alpha_D3D:
case Maxwell::Blend::Factor::OneMinusSource1Alpha_GL:
return Maxwell::Blend::Factor::OneMinusSourceAlpha_D3D;
default:
return factor;
}
}
bool AttachmentUsesDualSource(const FixedPipelineState::BlendingAttachment& blend) {
return UsesDualSourceFactor(blend.SourceRGBFactor()) ||
UsesDualSourceFactor(blend.DestRGBFactor()) ||
UsesDualSourceFactor(blend.SourceAlphaFactor()) ||
UsesDualSourceFactor(blend.DestAlphaFactor());
}
DescriptorLayoutBuilder MakeBuilder(const Device& device, std::span<const Shader::Info> infos) {
DescriptorLayoutBuilder builder{device};
for (size_t index = 0; index < infos.size(); ++index) {
@ -823,6 +865,12 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
}
static_vector<VkPipelineColorBlendAttachmentState, Maxwell::NumRenderTargets> cb_attachments;
const size_t num_attachments{NumAttachments(key.state)};
const bool supports_dual_source_blend = device.SupportsDualSourceBlend();
const u32 max_dual_source_attachments = supports_dual_source_blend
? device.MaxFragmentDualSrcAttachments()
: 0;
u32 granted_dual_source_attachments = 0;
bool logged_dual_source_warning = false;
for (size_t index = 0; index < num_attachments; ++index) {
static constexpr std::array mask_table{
VK_COLOR_COMPONENT_R_BIT,
@ -836,13 +884,30 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
for (size_t i = 0; i < mask_table.size(); ++i) {
write_mask |= mask[i] ? mask_table[i] : 0;
}
const bool attachment_uses_dual_source = AttachmentUsesDualSource(blend);
const bool allow_dual_source = attachment_uses_dual_source && supports_dual_source_blend &&
granted_dual_source_attachments < max_dual_source_attachments;
if (allow_dual_source) {
++granted_dual_source_attachments;
} else if (attachment_uses_dual_source && !logged_dual_source_warning) {
LOG_WARNING(Render_Vulkan,
"Dual-source blend factors exceed device limit (maxFragmentDualSrcAttachments={}), falling back to single-source factors",
max_dual_source_attachments);
logged_dual_source_warning = true;
}
const auto sanitize_factor = [&](Maxwell::Blend::Factor factor) {
if (allow_dual_source || !UsesDualSourceFactor(factor)) {
return factor;
}
return FallbackDualSourceFactor(factor);
};
cb_attachments.push_back({
.blendEnable = blend.enable != 0,
.srcColorBlendFactor = MaxwellToVK::BlendFactor(blend.SourceRGBFactor()),
.dstColorBlendFactor = MaxwellToVK::BlendFactor(blend.DestRGBFactor()),
.srcColorBlendFactor = MaxwellToVK::BlendFactor(sanitize_factor(blend.SourceRGBFactor())),
.dstColorBlendFactor = MaxwellToVK::BlendFactor(sanitize_factor(blend.DestRGBFactor())),
.colorBlendOp = MaxwellToVK::BlendEquation(blend.EquationRGB()),
.srcAlphaBlendFactor = MaxwellToVK::BlendFactor(blend.SourceAlphaFactor()),
.dstAlphaBlendFactor = MaxwellToVK::BlendFactor(blend.DestAlphaFactor()),
.srcAlphaBlendFactor = MaxwellToVK::BlendFactor(sanitize_factor(blend.SourceAlphaFactor())),
.dstAlphaBlendFactor = MaxwellToVK::BlendFactor(sanitize_factor(blend.DestAlphaFactor())),
.alphaBlendOp = MaxwellToVK::BlendEquation(blend.EquationAlpha()),
.colorWriteMask = write_mask,
});

5
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View File

@ -501,6 +501,11 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
dynamic_features.has_extended_dynamic_state_3_blend =
device.IsExtExtendedDynamicState3BlendingSupported();
dynamic_features.has_dual_source_blend = device.SupportsDualSourceBlend();
if (!dynamic_features.has_dual_source_blend) {
LOG_WARNING(Render_Vulkan, "Dual-source blending unsupported, disabling dynamic blend");
dynamic_features.has_extended_dynamic_state_3_blend = false;
}
dynamic_features.has_extended_dynamic_state_3_enables =
device.IsExtExtendedDynamicState3EnablesSupported();

10
src/video_core/vulkan_common/vulkan_device.h
View File

@ -710,6 +710,16 @@ public:
return features.features.alphaToOne != VK_FALSE;
}
bool SupportsDualSourceBlend(u32 required_dual_source_attachments = 1) const {
const u32 max_dual = properties.properties.limits.maxFragmentDualSrcAttachments;
return features.features.dualSrcBlend != VK_FALSE &&
max_dual >= required_dual_source_attachments;
}
u32 MaxFragmentDualSrcAttachments() const {
return properties.properties.limits.maxFragmentDualSrcAttachments;
}
bool SupportsDynamicState3DepthClampEnable() const {
return dynamic_state3_depth_clamp_enable;
}