public override void InitCBuffersFrame(DeviceContext deviceContext, Camera camera, LightClass light)
{
DataStream mappedResource;
#region Constant Camera Buffer
deviceContext.MapSubresource(ConstantCameraBuffer, MapMode.WriteDiscard, MapFlags.None, out mappedResource);
var cameraBuffer = new DCameraBuffer()
{
cameraPosition = camera.Position,
padding = 0.0f
};
mappedResource.Write(cameraBuffer);
deviceContext.UnmapSubresource(ConstantCameraBuffer, 0);
int bufferSlotNumber = 1;
deviceContext.VertexShader.SetConstantBuffer(bufferSlotNumber, ConstantCameraBuffer);
#endregion
#region Constant Light Buffer
deviceContext.MapSubresource(ConstantLightBuffer, MapMode.WriteDiscard, MapFlags.None, out mappedResource);
LightBuffer lightbuffer = new LightBuffer()
{
ambientColor = light.AmbientColor,
diffuseColor = light.DiffuseColour,
LightDirection = light.Direction,
specularColor = light.SpecularColor,
specularPower = light.SpecularPower
};
mappedResource.Write(lightbuffer);
deviceContext.UnmapSubresource(ConstantLightBuffer, 0);
bufferSlotNumber = 0;
deviceContext.PixelShader.SetConstantBuffer(bufferSlotNumber, ConstantLightBuffer);
#endregion
}
public virtual void InitCBuffersFrame(DeviceContext context, Camera camera, WorldSettings settings)
{
var cameraBuffer = new DCameraBuffer()
{
cameraPosition = camera.Position,
padding = 0.0f
};
ConstantBufferFactory.UpdateVertexBuffer(context, ConstantCameraBuffer, 1, cameraBuffer);
if (previousLighting == null || !previousLighting.Equals(settings.Lighting))
{
LightBuffer lightbuffer = new LightBuffer()
{
ambientColor = settings.Lighting.AmbientColor,
diffuseColor = settings.Lighting.DiffuseColour,
LightDirection = settings.Lighting.Direction,
specularColor = settings.Lighting.SpecularColor,
specularPower = settings.Lighting.SpecularPower
};
previousLighting = settings.Lighting;
ConstantBufferFactory.UpdatePixelBuffer(context, ConstantLightBuffer, 0, lightbuffer);
}
}
private bool SetShaderParameters(DeviceContext deviceContext, Matrix worldMatrix, Matrix viewMatrix, Matrix projectionMatrix, ShaderResourceView[] textures, Vector3 lightDirection, Vector4 diffuseColor, Vector3 cameraPosition, Vector4 specularColor, float specularPower)
{
try
{
#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.
DataStream mappedResource;
deviceContext.MapSubresource(ConstantMatrixBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.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 Constant Light Buffer
// Lock the light constant buffer so it can be written to.
deviceContext.MapSubresource(ConstantLightBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out mappedResource);
// Copy the lighting variables into the constant buffer.
DLightBuffer lightBuffer = new DLightBuffer()
{
diffuseColor = diffuseColor,
lightDirection = lightDirection,
specularColor = specularColor,
specularPower = specularPower,
};
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 Camera Buffer
// Lock the camera constant buffer so it can be written to.
deviceContext.MapSubresource(ConstantCameraBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out mappedResource);
// Copy the lighting variables into the constant buffer.
var cameraBuffer = new DCameraBuffer()
{
cameraPosition = cameraPosition,
padding = 0.0f
};
mappedResource.Write(cameraBuffer);
// Unlock the constant buffer.
deviceContext.UnmapSubresource(ConstantCameraBuffer, 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, ConstantCameraBuffer);
#endregion
return(true);
}
catch
{
return(false);
}
}
