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Optimize world matrix storage for drawable objects to use Matrix3x4 instead of full matrix

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This commit is contained in:
Wojtek Figat
2024-03-26 11:29:01 +01:00
parent cdbb2cc813
commit 2dfb1058b2
15 changed files with 134 additions and 105 deletions
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11
Source/Engine/Graphics/Materials/ParticleMaterialShader.cpp
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@@ -3,6 +3,7 @@
#include "ParticleMaterialShader.h"
#include "MaterialShaderFeatures.h"
#include "MaterialParams.h"
#include "Engine/Core/Math/Matrix3x4.h"
#include "Engine/Renderer/DrawCall.h"
#include "Engine/Renderer/RenderList.h"
#include "Engine/Graphics/RenderView.h"
@@ -15,7 +16,7 @@
#include "Engine/Particles/Graph/CPU/ParticleEmitterGraph.CPU.h"
PACK_STRUCT(struct ParticleMaterialShaderData {
Matrix WorldMatrix;
Matrix3x4 WorldMatrix;
uint32 SortedIndicesOffset;
float PerInstanceRandom;
int32 ParticleStride;
@@ -34,7 +35,7 @@ PACK_STRUCT(struct ParticleMaterialShaderData {
int32 RibbonTwistOffset;
int32 RibbonFacingVectorOffset;
uint32 RibbonSegmentCount;
Matrix WorldMatrixInverseTransposed;
Matrix3x4 WorldMatrixInverseTransposed;
});
DrawPass ParticleMaterialShader::GetDrawModes() const
@@ -101,7 +102,7 @@ void ParticleMaterialShader::Bind(BindParameters& params)
static StringView ParticleScaleOffset(TEXT("Scale"));
static StringView ParticleModelFacingModeOffset(TEXT("ModelFacingMode"));
Matrix::Transpose(drawCall.World, materialData->WorldMatrix);
materialData->WorldMatrix.SetMatrixTranspose(drawCall.World);
materialData->SortedIndicesOffset = drawCall.Particle.Particles->GPU.SortedIndices && params.RenderContext.View.Pass != DrawPass::Depth ? sortedIndicesOffset : 0xFFFFFFFF;
materialData->PerInstanceRandom = drawCall.PerInstanceRandom;
materialData->ParticleStride = drawCall.Particle.Particles->Stride;
@@ -113,7 +114,9 @@ void ParticleMaterialShader::Bind(BindParameters& params)
materialData->RotationOffset = drawCall.Particle.Particles->Layout->FindAttributeOffset(ParticleRotationOffset, ParticleAttribute::ValueTypes::Float3, -1);
materialData->ScaleOffset = drawCall.Particle.Particles->Layout->FindAttributeOffset(ParticleScaleOffset, ParticleAttribute::ValueTypes::Float3, -1);
materialData->ModelFacingModeOffset = drawCall.Particle.Particles->Layout->FindAttributeOffset(ParticleModelFacingModeOffset, ParticleAttribute::ValueTypes::Int, -1);
Matrix::Invert(drawCall.World, materialData->WorldMatrixInverseTransposed);
Matrix worldMatrixInverseTransposed;
Matrix::Invert(drawCall.World, worldMatrixInverseTransposed);
materialData->WorldMatrixInverseTransposed.SetMatrix(worldMatrixInverseTransposed);
}
// Select pipeline state based on current pass and render mode