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[dxvk] Using derivative graphics pipelines

This commit is contained in:
Philip Rebohle 2018-01-10 22:54:00 +01:00
parent 3ab75c8538
commit 8bccbbccc8
3 changed files with 16 additions and 8 deletions
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2
src/dxvk/dxvk_compute.cpp
View File

@ -35,7 +35,7 @@ namespace dxvk {
info.stage = m_cs->stageInfo(nullptr);
info.layout = m_layout->pipelineLayout();
info.basePipelineHandle = VK_NULL_HANDLE;
info.basePipelineIndex = 0;
info.basePipelineIndex = -1;
if (m_vkd->vkCreateComputePipelines(m_vkd->device(),
VK_NULL_HANDLE, 1, &info, nullptr, &m_pipeline) != VK_SUCCESS)

16
src/dxvk/dxvk_graphics.cpp
View File

@ -73,14 +73,18 @@ namespace dxvk {
return pair.pipeline;
}
VkPipeline pipeline = this->compilePipeline(state);
VkPipeline pipeline = this->compilePipeline(state, m_basePipeline);
m_pipelines.push_back({ state, pipeline });
if (m_basePipeline == VK_NULL_HANDLE)
m_basePipeline = pipeline;
return pipeline;
}
VkPipeline DxvkGraphicsPipeline::compilePipeline(
const DxvkGraphicsPipelineStateInfo& state) const {
const DxvkGraphicsPipelineStateInfo& state,
VkPipeline baseHandle) const {
std::array<VkDynamicState, 4> dynamicStates = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
@ -197,7 +201,9 @@ namespace dxvk {
VkGraphicsPipelineCreateInfo info;
info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
info.pNext = nullptr;
info.flags = 0;
info.flags = baseHandle == VK_NULL_HANDLE
? VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT
: VK_PIPELINE_CREATE_DERIVATIVE_BIT;
info.stageCount = stages.size();
info.pStages = stages.data();
info.pVertexInputState = &viInfo;
@ -212,8 +218,8 @@ namespace dxvk {
info.layout = m_layout->pipelineLayout();
info.renderPass = state.omRenderPass;
info.subpass = 0;
info.basePipelineHandle = VK_NULL_HANDLE; // TODO use this
info.basePipelineIndex = 0;
info.basePipelineHandle = baseHandle;
info.basePipelineIndex = -1;
VkPipeline pipeline = VK_NULL_HANDLE;
if (m_vkd->vkCreateGraphicsPipelines(m_vkd->device(),

6
src/dxvk/dxvk_graphics.h
View File

@ -134,9 +134,11 @@ namespace dxvk {
std::mutex m_mutex;
std::vector<PipelineStruct> m_pipelines;
VkPipeline compilePipeline(
const DxvkGraphicsPipelineStateInfo& state) const;
VkPipeline m_basePipeline = VK_NULL_HANDLE;
VkPipeline compilePipeline(
const DxvkGraphicsPipelineStateInfo& state,
VkPipeline baseHandle) const;
void destroyPipelines();
};