static gl::Error getRenderTargetResource(const gl::FramebufferAttachment *colorbuffer, unsigned int *subresourceIndexOut,
ID3D11Texture2D **texture2DOut)
{
ASSERT(colorbuffer);
RenderTarget11 *renderTarget = NULL;
gl::Error error = d3d11::GetAttachmentRenderTarget(colorbuffer, &renderTarget);
if (error.isError())
{
return error;
}
ID3D11Resource *renderTargetResource = renderTarget->getTexture();
ASSERT(renderTargetResource);
*subresourceIndexOut = renderTarget->getSubresourceIndex();
*texture2DOut = d3d11::DynamicCastComObject<ID3D11Texture2D>(renderTargetResource);
if (!(*texture2DOut))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to query the ID3D11Texture2D from a RenderTarget");
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Image11::copy(const gl::Offset &destOffset, const gl::Rectangle &sourceArea, RenderTargetD3D *source)
{
RenderTarget11 *sourceRenderTarget = GetAs<RenderTarget11>(source);
ASSERT(sourceRenderTarget->getTexture());
ID3D11Resource *resource = sourceRenderTarget->getTexture();
UINT subresourceIndex = sourceRenderTarget->getSubresourceIndex();
gl::Box sourceBox(sourceArea.x, sourceArea.y, 0, sourceArea.width, sourceArea.height, 1);
gl::Error error = copy(destOffset, sourceBox, resource, subresourceIndex);
SafeRelease(resource);
return error;
}
gl::Error Image11::copy(GLint xoffset, GLint yoffset, GLint zoffset, const gl::Rectangle &sourceArea, RenderTarget *source)
{
RenderTarget11 *sourceRenderTarget = RenderTarget11::makeRenderTarget11(source);
ASSERT(sourceRenderTarget->getTexture());
UINT subresourceIndex = sourceRenderTarget->getSubresourceIndex();
ID3D11Texture2D *sourceTexture2D = d3d11::DynamicCastComObject<ID3D11Texture2D>(sourceRenderTarget->getTexture());
if (!sourceTexture2D)
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to retrieve the ID3D11Texture2D from the source RenderTarget.");
}
gl::Error error = copy(xoffset, yoffset, zoffset, sourceArea, sourceTexture2D, subresourceIndex);
SafeRelease(sourceTexture2D);
return error;
}
