private bool SetShaderParameters(DeviceContext deviceContext, Matrix worldMatrix, Matrix viewMatrix, Matrix projectionMatrix, ShaderResourceView[] textures, Vector4 clipPlane)
{
try
{
#region Set Matrix Shader Resources
// Transpose the matrices to prepare them for shader.
worldMatrix.Transpose();
viewMatrix.Transpose();
projectionMatrix.Transpose();
// Lock the constant buffer so it can be written to.
DataStream mappedResource;
deviceContext.MapSubresource(ConstantMatrixBuffer, MapMode.WriteDiscard, MapFlags.None, out mappedResource);
// Copy the passed in matrices into the constant buffer.
DMatrixBuffer matrixBuffer = new DMatrixBuffer()
{
world = worldMatrix,
view = viewMatrix,
projection = projectionMatrix
};
mappedResource.Write(matrixBuffer);
// Unlock the constant buffer.
deviceContext.UnmapSubresource(ConstantMatrixBuffer, 0);
// Set the position of the constant buffer in the vertex shader.
int bufferPositionNumber = 0;
// Finally set the constant buffer in the vertex shader with the updated values.
deviceContext.VertexShader.SetConstantBuffer(bufferPositionNumber, ConstantMatrixBuffer);
// Set shader resource in the pixel shader.
deviceContext.PixelShader.SetShaderResources(0, textures);
#endregion
#region Set Clip Plane Shader Resources
// Lock the constant buffer so it can be written to.
deviceContext.MapSubresource(ConstantClipPlaneBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out mappedResource);
// Copy the matrices into the constant buffer.
DClipPlaneBuffer clipPlaneBuffer = new DClipPlaneBuffer()
{
clipPlane = clipPlane
};
mappedResource.Write(clipPlaneBuffer);
// Unlock the constant buffer.
deviceContext.UnmapSubresource(ConstantClipPlaneBuffer, 0);
// Set the position of the constant buffer in the vertex shader.
bufferPositionNumber = 1;
// Finally set the constant buffer in the vertex shader with the updated values.
deviceContext.VertexShader.SetConstantBuffer(bufferPositionNumber, ConstantClipPlaneBuffer);
#endregion
return(true);
}
catch
{
return(false);
}
}
private bool SetShaderParameters(DeviceContext deviceContext, Matrix worldMatrix, Matrix viewMatrix, Matrix projectionMatrix, ShaderResourceView texture, Vector3 lightDirection, Vector4 ambientColor, Vector4 diffuseColor, Vector4 clipPlane)
{
try
{
DataStream mappedResource;
#region Pixel Shader Resources
// Set shader resource in the pixel shader.
deviceContext.PixelShader.SetShaderResource(0, texture);
#endregion
#region Constant Matrix Buffer
// Transpose the matrices to prepare them for shader.
worldMatrix.Transpose();
viewMatrix.Transpose();
projectionMatrix.Transpose();
// Lock the constant buffer so it can be written to.
deviceContext.MapSubresource(ConstantMatrixBuffer, MapMode.WriteDiscard, MapFlags.None, out mappedResource);
//// Copy the passed in matrices into the constant buffer.
DMatrixBuffer matrixBuffer = new DMatrixBuffer()
{
world = worldMatrix,
view = viewMatrix,
projection = projectionMatrix
};
mappedResource.Write(matrixBuffer);
// Unlock the constant buffer.
deviceContext.UnmapSubresource(ConstantMatrixBuffer, 0);
// Set the position of the constant buffer in the vertex shader.
int bufferPositionNumber = 0;
// Finally set the constant buffer in the vertex shader with the updated values.
deviceContext.VertexShader.SetConstantBuffer(bufferPositionNumber, ConstantMatrixBuffer);
#endregion
#region Constant Light Buffer
// Now for the Lighting Shader.
// Lock the light constant buffer so it can be written to.
deviceContext.MapSubresource(ConstantLightBuffer, MapMode.WriteDiscard, MapFlags.None, out mappedResource);
// Copy the lighting variables into the constant buffer.
DLightBuffer lightBuffer = new DLightBuffer()
{
ambientColor = ambientColor,
diffuseColor = diffuseColor,
lightDirection = lightDirection,
};
mappedResource.Write(lightBuffer);
// Unlock the constant buffer.
deviceContext.UnmapSubresource(ConstantLightBuffer, 0);
// Set the position of the light constant buffer in the pixel shader.
bufferPositionNumber = 0;
// Finally set the light constant buffer in the pixel shader with the updated values.
deviceContext.PixelShader.SetConstantBuffer(bufferPositionNumber, ConstantLightBuffer);
#endregion
#region Constant Clip Plane Vertex Shader
// Lock the camera constant buffer so it can be written to.
deviceContext.MapSubresource(ConstantClipPlaneBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out mappedResource);
// Copy the lighting variables into the constant buffer.
DClipPlaneBuffer clipPlaneBuffer = new DClipPlaneBuffer()
{
clipPlane = clipPlane
};
mappedResource.Write(clipPlaneBuffer);
// Unlock the constant buffer.
deviceContext.UnmapSubresource(ConstantClipPlaneBuffer, 0);
// Set the position of the light constant buffer in the pixel shader.
bufferPositionNumber = 1;
// Now set the camera constant buffer in the vertex shader with the updated values.
deviceContext.VertexShader.SetConstantBuffer(bufferPositionNumber, ConstantClipPlaneBuffer);
#endregion
return(true);
}
catch (Exception)
{
return(false);
}
}
