OrdinaryMagician/vkdoom_m
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- avoid creating a new render pass if a pipeline bind will suffice

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This commit is contained in:
Magnus Norddahl 2019-05-18 06:54:35 +02:00
commit 7e37d640dc
4 changed files with 99 additions and 50 deletions
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93
src/rendering/vulkan/renderer/vk_renderstate.cpp
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@ -196,65 +196,75 @@ void VkRenderState::ApplyDepthBias()
void VkRenderState::ApplyRenderPass(int dt)
{
// Find a render pass that matches our state
VkRenderPassKey passKey;
passKey.ClearTargets = mRenderPassKey.ClearTargets | mClearTargets;
passKey.DrawType = dt;
passKey.VertexFormat = static_cast<VKVertexBuffer*>(mVertexBuffer)->VertexFormat;
passKey.RenderStyle = mRenderStyle;
passKey.DepthTest = mDepthTest;
passKey.DepthWrite = mDepthTest && mDepthWrite;
passKey.DepthFunc = mDepthFunc;
passKey.DepthClamp = mDepthClamp;
passKey.DepthBias = !(mBias.mFactor == 0 && mBias.mUnits == 0);
passKey.StencilTest = mStencilTest;
passKey.StencilPassOp = mStencilOp;
passKey.ColorMask = mColorMask;
passKey.CullMode = mCullMode;
passKey.DrawBufferFormat = mRenderTarget.Format;
passKey.Samples = mRenderTarget.Samples;
passKey.DrawBuffers = mRenderTarget.DrawBuffers;
passKey.NumTextureLayers = mMaterial.mMaterial ? mMaterial.mMaterial->GetLayers() : 0;
VkPipelineKey pipelineKey;
pipelineKey.ClearTargets = mPipelineKey.ClearTargets | mClearTargets;
pipelineKey.DrawType = dt;
pipelineKey.VertexFormat = static_cast<VKVertexBuffer*>(mVertexBuffer)->VertexFormat;
pipelineKey.RenderStyle = mRenderStyle;
pipelineKey.DepthTest = mDepthTest;
pipelineKey.DepthWrite = mDepthTest && mDepthWrite;
pipelineKey.DepthFunc = mDepthFunc;
pipelineKey.DepthClamp = mDepthClamp;
pipelineKey.DepthBias = !(mBias.mFactor == 0 && mBias.mUnits == 0);
pipelineKey.StencilTest = mStencilTest;
pipelineKey.StencilPassOp = mStencilOp;
pipelineKey.ColorMask = mColorMask;
pipelineKey.CullMode = mCullMode;
pipelineKey.DrawBufferFormat = mRenderTarget.Format;
pipelineKey.Samples = mRenderTarget.Samples;
pipelineKey.DrawBuffers = mRenderTarget.DrawBuffers;
pipelineKey.NumTextureLayers = mMaterial.mMaterial ? mMaterial.mMaterial->GetLayers() : 0;
if (mSpecialEffect > EFF_NONE)
{
passKey.SpecialEffect = mSpecialEffect;
passKey.EffectState = 0;
passKey.AlphaTest = false;
pipelineKey.SpecialEffect = mSpecialEffect;
pipelineKey.EffectState = 0;
pipelineKey.AlphaTest = false;
}
else
{
int effectState = mMaterial.mOverrideShader >= 0 ? mMaterial.mOverrideShader : (mMaterial.mMaterial ? mMaterial.mMaterial->GetShaderIndex() : 0);
passKey.SpecialEffect = EFF_NONE;
passKey.EffectState = mTextureEnabled ? effectState : SHADER_NoTexture;
passKey.AlphaTest = mAlphaThreshold >= 0.f;
pipelineKey.SpecialEffect = EFF_NONE;
pipelineKey.EffectState = mTextureEnabled ? effectState : SHADER_NoTexture;
pipelineKey.AlphaTest = mAlphaThreshold >= 0.f;
}
// Is this the one we already have or do we need to change render pass?
bool changingRenderPass = (passKey != mRenderPassKey);
// Is this the one we already have or do we need to change pipeline?
bool changingPipeline = (pipelineKey != mPipelineKey);
bool inRenderPass = mCommandBuffer;
if (!mCommandBuffer)
if (!inRenderPass)
{
mCommandBuffer = GetVulkanFrameBuffer()->GetDrawCommands();
changingRenderPass = true;
changingPipeline = true;
mScissorChanged = true;
mViewportChanged = true;
mStencilRefChanged = true;
mBias.mChanged = true;
}
else if (changingRenderPass)
{
mCommandBuffer->endRenderPass();
}
if (changingRenderPass)
if (changingPipeline)
{
passKey.ClearTargets = mClearTargets;
pipelineKey.ClearTargets = mClearTargets;
// Only clear depth+stencil if the render target actually has that
if (!mRenderTarget.DepthStencil)
passKey.ClearTargets &= ~(CT_Depth | CT_Stencil);
pipelineKey.ClearTargets &= ~(CT_Depth | CT_Stencil);
BeginRenderPass(passKey, mCommandBuffer);
mRenderPassKey = passKey;
// Begin new render pass if needed
VkRenderPassKey passKey = pipelineKey;
if (!inRenderPass || passKey != VkRenderPassKey(mPipelineKey))
{
if (inRenderPass)
mCommandBuffer->endRenderPass();
BeginRenderPass(passKey, mCommandBuffer);
}
// Bind the pipeline
VkRenderPassSetup *passSetup = GetVulkanFrameBuffer()->GetRenderPassManager()->GetRenderPass(passKey);
mCommandBuffer->bindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, passSetup->GetPipeline(pipelineKey));
mPipelineKey = pipelineKey;
mClearTargets = 0;
}
}
@ -385,7 +395,7 @@ void VkRenderState::ApplyPushConstants()
auto fb = GetVulkanFrameBuffer();
auto passManager = fb->GetRenderPassManager();
mCommandBuffer->pushConstants(passManager->GetPipelineLayout(mRenderPassKey.NumTextureLayers), VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, (uint32_t)sizeof(PushConstants), &mPushConstants);
mCommandBuffer->pushConstants(passManager->GetPipelineLayout(mPipelineKey.NumTextureLayers), VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, (uint32_t)sizeof(PushConstants), &mPushConstants);
}
template<typename T>
@ -471,7 +481,7 @@ void VkRenderState::ApplyMaterial()
{
auto fb = GetVulkanFrameBuffer();
auto passManager = fb->GetRenderPassManager();
mCommandBuffer->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, passManager->GetPipelineLayout(mRenderPassKey.NumTextureLayers), 1, base->GetDescriptorSet(mMaterial));
mCommandBuffer->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, passManager->GetPipelineLayout(mPipelineKey.NumTextureLayers), 1, base->GetDescriptorSet(mMaterial));
}
mMaterial.mChanged = false;
@ -486,7 +496,7 @@ void VkRenderState::ApplyDynamicSet()
auto passManager = fb->GetRenderPassManager();
uint32_t offsets[3] = { mViewpointOffset, mMatricesOffset, mStreamDataOffset };
mCommandBuffer->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, passManager->GetPipelineLayout(mRenderPassKey.NumTextureLayers), 0, passManager->DynamicSet.get(), 3, offsets);
mCommandBuffer->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, passManager->GetPipelineLayout(mPipelineKey.NumTextureLayers), 0, passManager->DynamicSet.get(), 3, offsets);
mLastViewpointOffset = mViewpointOffset;
mLastMatricesOffset = mMatricesOffset;
@ -515,7 +525,7 @@ void VkRenderState::EndRenderPass()
{
mCommandBuffer->endRenderPass();
mCommandBuffer = nullptr;
mRenderPassKey = {};
mPipelineKey = {};
mLastViewpointOffset = 0xffffffff;
mLastVertexBuffer = nullptr;
@ -588,7 +598,6 @@ void VkRenderState::BeginRenderPass(const VkRenderPassKey &key, VulkanCommandBuf
beginInfo.addClearColor(0.0f, 0.0f, 0.0f, 0.0f);
beginInfo.addClearDepthStencil(1.0f, 0);
cmdbuffer->beginRenderPass(beginInfo);
cmdbuffer->bindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, passSetup->Pipeline.get());
mMaterial.mChanged = true;
}