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Reduce heap allocations during rendering

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This commit is contained in:
aerofly 2018-12-18 15:59:49 +01:00
parent d4506cc41e
commit d87b71887e
10 changed files with 22 additions and 17 deletions
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4
MoltenVK/MoltenVK/Commands/MVKCmdPipeline.h
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@ -129,7 +129,7 @@ private:
MVKPipelineLayout* _pipelineLayout;
VkShaderStageFlags _stageFlags;
uint32_t _offset;
MVKVector<char> _pushConstants;
MVKVector128<char> _pushConstants;
};
@ -157,7 +157,7 @@ private:
VkPipelineBindPoint _pipelineBindPoint;
MVKPipelineLayout* _pipelineLayout;
std::vector<VkWriteDescriptorSet> _descriptorWrites;
MVKVector<VkWriteDescriptorSet> _descriptorWrites;
uint32_t _set;
};

4
MoltenVK/MoltenVK/Commands/MVKCommandEncoderState.h
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@ -189,7 +189,7 @@ class MVKPushConstantsCommandEncoderState : public MVKCommandEncoderState {
public:
/** Sets the specified push constants. */
void setPushConstants(uint32_t offset, MVKVector<char>& pushConstants);
void setPushConstants(uint32_t offset, MVKVector128<char>& pushConstants);
/** Sets the index of the Metal buffer used to hold the push constants. */
void setMTLBufferIndex(uint32_t mtlBufferIndex);
@ -203,7 +203,7 @@ protected:
void encodeImpl() override;
void resetImpl() override;
MVKVector<char> _pushConstants;
MVKVector128<char> _pushConstants;
VkShaderStageFlagBits _shaderStage;
uint32_t _mtlBufferIndex = 0;
};

2
MoltenVK/MoltenVK/Commands/MVKCommandEncoderState.mm
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@ -136,7 +136,7 @@ void MVKScissorCommandEncoderState::resetImpl() {
#pragma mark -
#pragma mark MVKPushConstantsCommandEncoderState
void MVKPushConstantsCommandEncoderState:: setPushConstants(uint32_t offset, MVKVector<char>& pushConstants) {
void MVKPushConstantsCommandEncoderState:: setPushConstants(uint32_t offset, MVKVector128<char>& pushConstants) {
uint32_t pcCnt = (uint32_t)pushConstants.size();
mvkEnsureSize(_pushConstants, offset + pcCnt);
copy(pushConstants.begin(), pushConstants.end(), _pushConstants.begin() + offset);

2
MoltenVK/MoltenVK/GPUObjects/MVKDescriptorSet.h
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@ -138,7 +138,7 @@ public:
/** Encodes this descriptor set layout and the specified descriptor updates on the specified command encoder immediately. */
void pushDescriptorSet(MVKCommandEncoder* cmdEncoder,
std::vector<VkWriteDescriptorSet>& descriptorWrites,
MVKVector<VkWriteDescriptorSet>& descriptorWrites,
MVKShaderResourceBinding& dslMTLRezIdxOffsets);

2
MoltenVK/MoltenVK/GPUObjects/MVKDescriptorSet.mm
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@ -542,7 +542,7 @@ static const void* getWriteParameters(VkDescriptorType type, const VkDescriptorI
}
void MVKDescriptorSetLayout::pushDescriptorSet(MVKCommandEncoder* cmdEncoder,
vector<VkWriteDescriptorSet>& descriptorWrites,
MVKVector<VkWriteDescriptorSet>& descriptorWrites,
MVKShaderResourceBinding& dslMTLRezIdxOffsets) {
if (!_isPushDescriptorLayout) return;

4
MoltenVK/MoltenVK/GPUObjects/MVKImage.h
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@ -20,8 +20,8 @@
#include "MVKResource.h"
#include "MVKSync.h"
#include "MVKVector.h"
#include <mutex>
#include <list>
#import <IOSurface/IOSurfaceRef.h>
@ -397,7 +397,7 @@ protected:
uint32_t _swapchainIndex;
id<CAMetalDrawable> _mtlDrawable;
std::mutex _availabilityLock;
std::list<MVKSwapchainSignaler> _availabilitySignalers;
MVKVector<MVKSwapchainSignaler> _availabilitySignalers;
MVKSwapchainSignaler _preSignaled;
MVKSwapchainImageAvailability _availability;
};

3
MoltenVK/MoltenVK/GPUObjects/MVKImage.mm
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@ -1000,7 +1000,8 @@ void MVKSwapchainImage::makeAvailable() {
// If this image is not yet available, extract and signal the first semaphore and fence.
signaler = _availabilitySignalers.front();
_availabilitySignalers.pop_front();
_availabilitySignalers.erase( _availabilitySignalers.begin() );
//_availabilitySignalers.pop_front();
}
// Signal the semaphore and fence, and let them know they are no longer being tracked.

9
MoltenVK/MoltenVK/GPUObjects/MVKPipeline.h
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@ -25,7 +25,6 @@
#include "MVKVector.h"
#include <MoltenVKSPIRVToMSLConverter/SPIRVToMSLConverter.h>
#include <unordered_set>
#include <vector>
#include <ostream>
#import <Metal/Metal.h>
@ -63,7 +62,7 @@ public:
/** Updates a descriptor set in a command encoder. */
void pushDescriptorSet(MVKCommandEncoder* cmdEncoder,
std::vector<VkWriteDescriptorSet>& descriptorWrites,
MVKVector<VkWriteDescriptorSet>& descriptorWrites,
uint32_t set);
/** Updates a descriptor set from a template in a command encoder. */
@ -82,9 +81,9 @@ public:
MVKPipelineLayout(MVKDevice* device, const VkPipelineLayoutCreateInfo* pCreateInfo);
protected:
std::vector<MVKDescriptorSetLayout> _descriptorSetLayouts;
std::vector<MVKShaderResourceBinding> _dslMTLResourceIndexOffsets;
std::vector<VkPushConstantRange> _pushConstants;
MVKVector<MVKDescriptorSetLayout> _descriptorSetLayouts;
MVKVector<MVKShaderResourceBinding> _dslMTLResourceIndexOffsets;
MVKVector<VkPushConstantRange> _pushConstants;
MVKShaderResourceBinding _pushConstantsMTLResourceIndexes;
MVKShaderAuxBufferBinding _auxBufferIndex;
};

2
MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
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@ -55,7 +55,7 @@ void MVKPipelineLayout::bindDescriptorSets(MVKCommandEncoder* cmdEncoder,
}
void MVKPipelineLayout::pushDescriptorSet(MVKCommandEncoder* cmdEncoder,
vector<VkWriteDescriptorSet>& descriptorWrites,
MVKVector<VkWriteDescriptorSet>& descriptorWrites,
uint32_t set) {
_descriptorSetLayouts[set].pushDescriptorSet(cmdEncoder, descriptorWrites,

7
MoltenVK/MoltenVK/Utility/MVKVector.h
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@ -456,7 +456,7 @@ public:
{
--alc.num_elements_used;
for( size_t i = it.GetIndex(); i < alc.num_elements_used; ++i )
for( size_t i = it.get_position(); i < alc.num_elements_used; ++i )
{
alc.ptr[i] = std::move( alc.ptr[i + 1] );
}
@ -524,5 +524,10 @@ public:
}
};
template<typename Type>
using MVKVector128 = MVKVector<Type, mvk_vector_allocator_with_stack<Type, 128>>;
#endif