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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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5
Source/Engine/Graphics/Materials/TerrainMaterialShader.cpp
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@@ -3,6 +3,7 @@
#include "TerrainMaterialShader.h"
#include "MaterialShaderFeatures.h"
#include "MaterialParams.h"
#include "Engine/Core/Math/Matrix3x4.h"
#include "Engine/Graphics/GPUContext.h"
#include "Engine/Graphics/GPULimits.h"
#include "Engine/Graphics/GPUDevice.h"
@@ -16,7 +17,7 @@
#include "Engine/Terrain/TerrainPatch.h"
PACK_STRUCT(struct TerrainMaterialShaderData {
Matrix WorldMatrix;
Matrix3x4 WorldMatrix;
Float3 WorldInvScale;
float WorldDeterminantSign;
float PerInstanceRandom;
@@ -66,7 +67,7 @@ void TerrainMaterialShader::Bind(BindParameters& params)
// Setup material constants
{
Matrix::Transpose(drawCall.World, materialData->WorldMatrix);
materialData->WorldMatrix.SetMatrixTranspose(drawCall.World);
const float scaleX = Float3(drawCall.World.M11, drawCall.World.M12, drawCall.World.M13).Length();
const float scaleY = Float3(drawCall.World.M21, drawCall.World.M22, drawCall.World.M23).Length();
const float scaleZ = Float3(drawCall.World.M31, drawCall.World.M32, drawCall.World.M33).Length();