debut de texture translation

enginecustom/Translate.xaml

@@ -0,0 +1,13 @@
+<Page
+    x:Class="enginecustom.Translate"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:enginecustom"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+
+    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
+        <Button x:Name="Button" Click="ClickHandler">Click Me</Button>
+    </StackPanel>
+</Page>

enginecustom/applicationclass.h

@@ -29,7 +29,7 @@
 #include "frustumclass.h"
 #include "rendertextureclass.h"
 #include "displayplaneclass.h"
-
+#include "translateshaderclass.h"
 
 
 /////////////
@@ -94,6 +94,7 @@ private:
 	RenderTextureClass* m_RenderTexture;
 	DisplayPlaneClass* m_DisplayPlane;
 	float m_screenWidth, m_screenHeight;
+	TranslateShaderClass* m_TranslateShader;
 };
 
 #endif

enginecustom/enginecustom.vcxproj

@@ -49,6 +49,11 @@
     <ClCompile Include="textureclass.cpp" />
     <ClCompile Include="textureshaderclass.cpp" />
     <ClCompile Include="Timerclass.cpp" />
+    <ClCompile Include="translate.cpp">
+      <DependentUpon>translate.vs</DependentUpon>
+      <SubType>Code</SubType>
+    </ClCompile>
+    <ClCompile Include="translateshaderclass.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="alphamapshaderclass.h" />
@@ -79,6 +84,11 @@
     <ClInclude Include="textureclass.h" />
     <ClInclude Include="textureshaderclass.h" />
     <ClInclude Include="Timerclass.h" />
+    <ClInclude Include="translate.h">
+      <DependentUpon>translate.vs</DependentUpon>
+      <SubType>Code</SubType>
+    </ClInclude>
+    <ClInclude Include="translateshaderclass.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="alphamap.ps" />
@@ -135,6 +145,19 @@
     <Text Include="sphere.txt" />
     <Text Include="square.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <Midl Include="translate.ps">
+      <SubType>Designer</SubType>
+    </Midl>
+    <Midl Include="translate.vs">
+      <SubType>Designer</SubType>
+    </Midl>
+  </ItemGroup>
+  <ItemGroup>
+    <Page Include="Translate.xaml">
+      <SubType>Designer</SubType>
+    </Page>
+  </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>17.0</VCProjectVersion>
     <Keyword>Win32Proj</Keyword>

enginecustom/translate.cpp

@@ -0,0 +1,18 @@
+#include "pch.h"
+#include "Translate.h"
+#if __has_include("Translate.g.cpp")
+#include "Translate.g.cpp"
+#endif
+
+namespace winrt::enginecustom::implementation
+{
+    int32_t Translate::MyProperty()
+    {
+        throw hresult_not_implemented();
+    }
+
+    void Translate::MyProperty(int32_t /*value*/)
+    {
+        throw hresult_not_implemented();
+    }
+}

enginecustom/translate.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "Translate.g.h"
+
+namespace winrt::enginecustom::implementation
+{
+    struct Translate : TranslateT<Translate>
+    {
+        Translate() = default;
+
+        int32_t MyProperty();
+        void MyProperty(int32_t value);
+    };
+}
+
+namespace winrt::enginecustom::factory_implementation
+{
+    struct Translate : TranslateT<Translate, implementation::Translate>
+    {
+    };
+}

enginecustom/translate.ps

@@ -0,0 +1,37 @@
+/////////////
+// GLOBALS //
+/////////////
+Texture2D shaderTexture : register(t0);
+SamplerState SampleType : register(s0);
+
+cbuffer TranslationBuffer
+{
+    float textureTranslation;
+};
+
+
+//////////////
+// TYPEDEFS //
+//////////////
+struct PixelInputType
+{
+    float4 position : SV_POSITION;
+    float2 tex : TEXCOORD0;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// Pixel Shader
+////////////////////////////////////////////////////////////////////////////////
+float4 TranslatePixelShader(PixelInputType input) : SV_TARGET
+{
+    float4 textureColor;
+
+
+    // Translate the position where we sample the pixel from.
+    input.tex.x += textureTranslation;
+
+    // Sample the pixel color from the texture using the sampler at this texture coordinate location.
+    textureColor = shaderTexture.Sample(SampleType, input.tex);
+
+    return textureColor;
+}

enginecustom/translate.vs

@@ -0,0 +1,48 @@
+/////////////
+// GLOBALS //
+/////////////
+cbuffer MatrixBuffer
+{
+    matrix worldMatrix;
+    matrix viewMatrix;
+    matrix projectionMatrix;
+};
+
+
+//////////////
+// TYPEDEFS //
+//////////////
+struct VertexInputType
+{
+    float4 position : POSITION;
+    float2 tex : TEXCOORD0;
+};
+
+struct PixelInputType
+{
+    float4 position : SV_POSITION;
+    float2 tex : TEXCOORD0;
+};
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Vertex Shader
+////////////////////////////////////////////////////////////////////////////////
+PixelInputType TranslateVertexShader(VertexInputType input)
+{
+    PixelInputType output;
+
+
+    // Change the position vector to be 4 units for proper matrix calculations.
+    input.position.w = 1.0f;
+
+    // Calculate the position of the vertex against the world, view, and projection matrices.
+    output.position = mul(input.position, worldMatrix);
+    output.position = mul(output.position, viewMatrix);
+    output.position = mul(output.position, projectionMatrix);
+    
+    // Store the texture coordinates for the pixel shader.
+    output.tex = input.tex;
+    
+    return output;
+}

enginecustom/translateshaderclass.cpp

@@ -0,0 +1,416 @@
+#include "translateshaderclass.h"
+
+
+TranslateShaderClass::TranslateShaderClass()
+{
+    m_vertexShader = 0;
+    m_pixelShader = 0;
+    m_layout = 0;
+    m_matrixBuffer = 0;
+    m_sampleState = 0;
+
+    m_translateBuffer = 0;
+}
+
+
+TranslateShaderClass::TranslateShaderClass(const TranslateShaderClass& other)
+{
+}
+
+
+TranslateShaderClass::~TranslateShaderClass()
+{
+}
+
+
+bool TranslateShaderClass::Initialize(ID3D11Device* device, HWND hwnd)
+{
+    bool result;
+    wchar_t vsFilename[128];
+    wchar_t psFilename[128];
+    int error;
+
+    // Set the filename of the vertex shader.
+    error = wcscpy_s(vsFilename, 128, L"../Engine/translate.vs");
+    if (error != 0)
+    {
+        return false;
+    }
+
+    // Set the filename of the pixel shader.
+    error = wcscpy_s(psFilename, 128, L"../Engine/translate.ps");
+    if (error != 0)
+    {
+        return false;
+    }
+
+    // Initialize the vertex and pixel shaders.
+    result = InitializeShader(device, hwnd, vsFilename, psFilename);
+    if (!result)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+
+void TranslateShaderClass::Shutdown()
+{
+    // Shutdown the vertex and pixel shaders as well as the related objects.
+    ShutdownShader();
+
+    return;
+}
+
+bool TranslateShaderClass::Render(ID3D11DeviceContext * deviceContext, int indexCount, XMMATRIX worldMatrix, XMMATRIX viewMatrix,
+    XMMATRIX projectionMatrix, ID3D11ShaderResourceView * texture, float translation)
+{
+    bool result;
+
+
+    // Set the shader parameters that it will use for rendering.
+    result = SetShaderParameters(deviceContext, worldMatrix, viewMatrix, projectionMatrix, texture, translation);
+    if (!result)
+    {
+        return false;
+    }
+
+    // Now render the prepared buffers with the shader.
+    RenderShader(deviceContext, indexCount);
+
+    return true;
+}
+
+
+bool TranslateShaderClass::InitializeShader(ID3D11Device * device, HWND hwnd, WCHAR * vsFilename, WCHAR * psFilename)
+{
+    HRESULT result;
+    ID3D10Blob* errorMessage;
+    ID3D10Blob* vertexShaderBuffer;
+    ID3D10Blob* pixelShaderBuffer;
+    D3D11_INPUT_ELEMENT_DESC polygonLayout[2];
+    unsigned int numElements;
+    D3D11_BUFFER_DESC matrixBufferDesc;
+    D3D11_SAMPLER_DESC samplerDesc;
+    D3D11_BUFFER_DESC translateBufferDesc;
+
+
+    // Initialize the pointers this function will use to null.
+    errorMessage = 0;
+    vertexShaderBuffer = 0;
+    pixelShaderBuffer = 0;
+
+    // Compile the vertex shader code.
+    result = D3DCompileFromFile(vsFilename, NULL, NULL, "TranslateVertexShader", "vs_5_0", D3D10_SHADER_ENABLE_STRICTNESS, 0,
+    &vertexShaderBuffer, &errorMessage);
+    if (FAILED(result))
+    {
+        // If the shader failed to compile it should have writen something to the error message.
+        if (errorMessage)
+        {
+            OutputShaderErrorMessage(errorMessage, hwnd, vsFilename);
+        }
+        // If there was nothing in the error message then it simply could not find the shader file itself.
+        else
+        {
+            MessageBox(hwnd, vsFilename, L"Missing Shader File", MB_OK);
+        }
+
+        return false;
+    }
+
+     // Compile the pixel shader code.
+    result = D3DCompileFromFile(psFilename, NULL, NULL, "TranslatePixelShader", "ps_5_0", D3D10_SHADER_ENABLE_STRICTNESS, 0,
+    &pixelShaderBuffer, &errorMessage);
+    if (FAILED(result))
+    {
+        // If the shader failed to compile it should have writen something to the error message.
+        if (errorMessage)
+        {
+            OutputShaderErrorMessage(errorMessage, hwnd, psFilename);
+        }
+        // If there was nothing in the error message then it simply could not find the file itself.
+        else
+        {
+            MessageBox(hwnd, psFilename, L"Missing Shader File", MB_OK);
+        }
+
+        return false;
+    }
+
+    // Create the vertex shader from the buffer.
+    result = device->CreateVertexShader(vertexShaderBuffer->GetBufferPointer(), vertexShaderBuffer->GetBufferSize(), NULL, &m_vertexShader);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Create the pixel shader from the buffer.
+    result = device->CreatePixelShader(pixelShaderBuffer->GetBufferPointer(), pixelShaderBuffer->GetBufferSize(), NULL, &m_pixelShader);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Create the vertex input layout description.
+    polygonLayout[0].SemanticName = "POSITION";
+    polygonLayout[0].SemanticIndex = 0;
+    polygonLayout[0].Format = DXGI_FORMAT_R32G32B32_FLOAT;
+    polygonLayout[0].InputSlot = 0;
+    polygonLayout[0].AlignedByteOffset = 0;
+    polygonLayout[0].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
+    polygonLayout[0].InstanceDataStepRate = 0;
+
+    polygonLayout[1].SemanticName = "TEXCOORD";
+    polygonLayout[1].SemanticIndex = 0;
+    polygonLayout[1].Format = DXGI_FORMAT_R32G32_FLOAT;
+    polygonLayout[1].InputSlot = 0;
+    polygonLayout[1].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
+    polygonLayout[1].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
+    polygonLayout[1].InstanceDataStepRate = 0;
+
+    // Get a count of the elements in the layout.
+    numElements = sizeof(polygonLayout) / sizeof(polygonLayout[0]);
+
+    // Create the vertex input layout.
+    result = device->CreateInputLayout(polygonLayout, numElements, vertexShaderBuffer->GetBufferPointer(),
+        vertexShaderBuffer->GetBufferSize(), &m_layout);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Release the vertex shader buffer and pixel shader buffer since they are no longer needed.
+    vertexShaderBuffer->Release();
+    vertexShaderBuffer = 0;
+
+    pixelShaderBuffer->Release();
+    pixelShaderBuffer = 0;
+
+    // Setup the description of the dynamic matrix constant buffer that is in the vertex shader.
+    matrixBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+    matrixBufferDesc.ByteWidth = sizeof(MatrixBufferType);
+    matrixBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
+    matrixBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+    matrixBufferDesc.MiscFlags = 0;
+    matrixBufferDesc.StructureByteStride = 0;
+
+    // Create the constant buffer pointer so we can access the vertex shader constant buffer from within this class.
+    result = device->CreateBuffer(&matrixBufferDesc, NULL, &m_matrixBuffer);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Create a texture sampler state description.
+    samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
+    samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP;
+    samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
+    samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_WRAP;
+    samplerDesc.MipLODBias = 0.0f;
+    samplerDesc.MaxAnisotropy = 1;
+    samplerDesc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
+    samplerDesc.BorderColor[0] = 0;
+    samplerDesc.BorderColor[1] = 0;
+    samplerDesc.BorderColor[2] = 0;
+    samplerDesc.BorderColor[3] = 0;
+    samplerDesc.MinLOD = 0;
+    samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;
+
+    // Create the texture sampler state.
+    result = device->CreateSamplerState(&samplerDesc, &m_sampleState);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Setup the description of the texture translation dynamic constant buffer that is in the pixel shader.
+    translateBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+    translateBufferDesc.ByteWidth = sizeof(TranslateBufferType);
+    translateBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
+    translateBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+    translateBufferDesc.MiscFlags = 0;
+    translateBufferDesc.StructureByteStride = 0;
+
+    // Create the constant buffer pointer so we can access the pixel shader constant buffer from within this class.
+    result = device->CreateBuffer(&translateBufferDesc, NULL, &m_translateBuffer);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+
+void TranslateShaderClass::ShutdownShader()
+{
+
+    // Release the texture translation constant buffer.
+    if (m_translateBuffer)
+    {
+            m_translateBuffer->Release();
+            m_translateBuffer = 0;
+    }
+
+    // Release the sampler state.
+    if (m_sampleState)
+    {
+        m_sampleState->Release();
+        m_sampleState = 0;
+    }
+
+    // Release the matrix constant buffer.
+    if (m_matrixBuffer)
+    {
+        m_matrixBuffer->Release();
+        m_matrixBuffer = 0;
+    }
+
+    // Release the layout.
+    if (m_layout)
+    {
+        m_layout->Release();
+        m_layout = 0;
+    }
+
+    // Release the pixel shader.
+    if (m_pixelShader)
+    {
+        m_pixelShader->Release();
+        m_pixelShader = 0;
+    }
+
+    // Release the vertex shader.
+    if (m_vertexShader)
+    {
+        m_vertexShader->Release();
+        m_vertexShader = 0;
+    }
+
+    return;
+}
+
+
+void TranslateShaderClass::OutputShaderErrorMessage(ID3D10Blob * errorMessage, HWND hwnd, WCHAR * shaderFilename)
+{
+    char* compileErrors;
+    unsigned long long bufferSize, i;
+    ofstream fout;
+
+
+    // Get a pointer to the error message text buffer.
+    compileErrors = (char*)(errorMessage->GetBufferPointer());
+
+    // Get the length of the message.
+    bufferSize = errorMessage->GetBufferSize();
+
+    // Open a file to write the error message to.
+    fout.open("shader-error.txt");
+
+    // Write out the error message.
+    for (i = 0; i < bufferSize; i++)
+    {
+        fout << compileErrors[i];
+    }
+
+    // Close the file.
+    fout.close();
+
+    // Release the error message.
+    errorMessage->Release();
+    errorMessage = 0;
+
+    // Pop a message up on the screen to notify the user to check the text file for compile errors.
+    MessageBox(hwnd, L"Error compiling shader.  Check shader-error.txt for message.", shaderFilename, MB_OK);
+
+    return;
+}
+
+
+bool TranslateShaderClass::SetShaderParameters(ID3D11DeviceContext * deviceContext, XMMATRIX worldMatrix, XMMATRIX viewMatrix,
+    XMMATRIX projectionMatrix, ID3D11ShaderResourceView * texture, float translation)
+{
+    HRESULT result;
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    MatrixBufferType* dataPtr;
+    unsigned int bufferNumber;
+    TranslateBufferType* dataPtr2;
+
+
+    // Transpose the matrices to prepare them for the shader.
+    worldMatrix = XMMatrixTranspose(worldMatrix);
+    viewMatrix = XMMatrixTranspose(viewMatrix);
+    projectionMatrix = XMMatrixTranspose(projectionMatrix);
+
+    // Lock the constant buffer so it can be written to.
+    result = deviceContext->Map(m_matrixBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Get a pointer to the data in the constant buffer.
+    dataPtr = (MatrixBufferType*)mappedResource.pData;
+
+    // Copy the matrices into the constant buffer.
+    dataPtr->world = worldMatrix;
+    dataPtr->view = viewMatrix;
+    dataPtr->projection = projectionMatrix;
+
+    // Unlock the constant buffer.
+    deviceContext->Unmap(m_matrixBuffer, 0);
+
+    // Set the position of the constant buffer in the vertex shader.
+    bufferNumber = 0;
+
+    // Finally set the constant buffer in the vertex shader with the updated values.
+    deviceContext->VSSetConstantBuffers(bufferNumber, 1, &m_matrixBuffer);
+
+    // Set shader texture resource in the pixel shader.
+    deviceContext->PSSetShaderResources(0, 1, &texture);
+
+    // Lock the texture translation constant buffer so it can be written to.
+    result = deviceContext->Map(m_translateBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Get a pointer to the data in the texture translation constant buffer.
+    dataPtr2 = (TranslateBufferType*)mappedResource.pData;
+
+    // Copy the translation value into the texture translation constant buffer.
+    dataPtr2->translation = translation;
+
+    // Unlock the buffer.
+    deviceContext->Unmap(m_translateBuffer, 0);
+
+    // Set the position of the texture translation constant buffer in the pixel shader.
+    bufferNumber = 0;
+
+    // Now set the texture translation constant buffer in the pixel shader with the updated values.
+    deviceContext->PSSetConstantBuffers(bufferNumber, 1, &m_translateBuffer);
+
+    return true;
+}
+
+
+void TranslateShaderClass::RenderShader(ID3D11DeviceContext * deviceContext, int indexCount)
+{
+    // Set the vertex input layout.
+    deviceContext->IASetInputLayout(m_layout);
+
+    // Set the vertex and pixel shaders that will be used to render this triangle.
+    deviceContext->VSSetShader(m_vertexShader, NULL, 0);
+    deviceContext->PSSetShader(m_pixelShader, NULL, 0);
+
+    // Set the sampler state in the pixel shader.
+    deviceContext->PSSetSamplers(0, 1, &m_sampleState);
+
+    // Render the geometry.
+    deviceContext->DrawIndexed(indexCount, 0, 0);
+
+    return;
+}

enginecustom/translateshaderclass.h

@@ -0,0 +1,62 @@
+#ifndef _TRANSLATESHADERCLASS_H_
+#define _TRANSLATESHADERCLASS_H_
+
+
+//////////////
+// INCLUDES //
+//////////////
+#include <d3d11.h>
+#include <d3dcompiler.h>
+#include <directxmath.h>
+#include <fstream>
+using namespace DirectX;
+using namespace std;
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Class name: TranslateShaderClass
+////////////////////////////////////////////////////////////////////////////////
+class TranslateShaderClass
+{
+private:
+    struct MatrixBufferType
+    {
+        XMMATRIX world;
+        XMMATRIX view;
+        XMMATRIX projection;
+    };
+
+        struct TranslateBufferType
+    {
+        float translation;
+        XMFLOAT3 padding;
+    };
+
+public:
+    TranslateShaderClass();
+    TranslateShaderClass(const TranslateShaderClass&);
+    ~TranslateShaderClass();
+
+    bool Initialize(ID3D11Device*, HWND);
+    void Shutdown();
+    bool Render(ID3D11DeviceContext*, int, XMMATRIX, XMMATRIX, XMMATRIX, ID3D11ShaderResourceView*, float);
+
+private:
+    bool InitializeShader(ID3D11Device*, HWND, WCHAR*, WCHAR*);
+    void ShutdownShader();
+    void OutputShaderErrorMessage(ID3D10Blob*, HWND, WCHAR*);
+
+    bool SetShaderParameters(ID3D11DeviceContext*, XMMATRIX, XMMATRIX, XMMATRIX, ID3D11ShaderResourceView*, float);
+    void RenderShader(ID3D11DeviceContext*, int);
+
+private:
+    ID3D11VertexShader* m_vertexShader;
+    ID3D11PixelShader* m_pixelShader;
+    ID3D11InputLayout* m_layout;
+    ID3D11Buffer* m_matrixBuffer;
+    ID3D11SamplerState* m_sampleState;
+
+    ID3D11Buffer* m_translateBuffer;
+};
+
+#endif