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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/VolumeParticleMaterialShader.cpp
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@@ -3,6 +3,7 @@
#include "VolumeParticleMaterialShader.h"
#include "MaterialShaderFeatures.h"
#include "MaterialParams.h"
#include "Engine/Core/Math/Matrix3x4.h"
#include "Engine/Renderer/DrawCall.h"
#include "Engine/Renderer/VolumetricFogPass.h"
#include "Engine/Renderer/RenderList.h"
@@ -16,8 +17,8 @@
PACK_STRUCT(struct VolumeParticleMaterialShaderData {
Matrix InverseViewProjectionMatrix;
Matrix WorldMatrix;
Matrix WorldMatrixInverseTransposed;
Matrix3x4 WorldMatrix;
Matrix3x4 WorldMatrixInverseTransposed;
Float3 GridSize;
float PerInstanceRandom;
float Dummy0;
@@ -76,8 +77,10 @@ void VolumeParticleMaterialShader::Bind(BindParameters& params)
// Setup material constants
{
Matrix::Transpose(view.IVP, materialData->InverseViewProjectionMatrix);
Matrix::Transpose(drawCall.World, materialData->WorldMatrix);
Matrix::Invert(drawCall.World, materialData->WorldMatrixInverseTransposed);
materialData->WorldMatrix.SetMatrixTranspose(drawCall.World);
Matrix worldMatrixInverseTransposed;
Matrix::Invert(drawCall.World, worldMatrixInverseTransposed);
materialData->WorldMatrixInverseTransposed.SetMatrix(worldMatrixInverseTransposed);
materialData->GridSize = customData->GridSize;
materialData->PerInstanceRandom = drawCall.PerInstanceRandom;
materialData->VolumetricFogMaxDistance = customData->VolumetricFogMaxDistance;