michael@0: #include "precompiled.h"
michael@0: //
michael@0: // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // RenderTarget9.cpp: Implements a D3D9-specific wrapper for IDirect3DSurface9
michael@0: // pointers retained by renderbuffers.
michael@0: 
michael@0: #include "libGLESv2/renderer/RenderTarget9.h"
michael@0: #include "libGLESv2/renderer/Renderer9.h"
michael@0: 
michael@0: #include "libGLESv2/renderer/renderer9_utils.h"
michael@0: #include "libGLESv2/main.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: 
michael@0: RenderTarget9::RenderTarget9(Renderer *renderer, IDirect3DSurface9 *surface)
michael@0: {
michael@0:     mRenderer = Renderer9::makeRenderer9(renderer);
michael@0:     mRenderTarget = surface;
michael@0: 
michael@0:     if (mRenderTarget)
michael@0:     {
michael@0:         D3DSURFACE_DESC description;
michael@0:         mRenderTarget->GetDesc(&description);
michael@0: 
michael@0:         mWidth = description.Width;
michael@0:         mHeight = description.Height;
michael@0:         
michael@0:         mInternalFormat = d3d9_gl::GetEquivalentFormat(description.Format);
michael@0:         mActualFormat = d3d9_gl::GetEquivalentFormat(description.Format);
michael@0:         mSamples = d3d9_gl::GetSamplesFromMultisampleType(description.MultiSampleType);
michael@0:     }
michael@0: }
michael@0: 
michael@0: RenderTarget9::RenderTarget9(Renderer *renderer, GLsizei width, GLsizei height, GLenum format, GLsizei samples)
michael@0: {
michael@0:     mRenderer = Renderer9::makeRenderer9(renderer);
michael@0:     mRenderTarget = NULL;
michael@0: 
michael@0:     D3DFORMAT requestedFormat = gl_d3d9::ConvertRenderbufferFormat(format);
michael@0:     int supportedSamples = mRenderer->getNearestSupportedSamples(requestedFormat, samples);
michael@0: 
michael@0:     if (supportedSamples == -1)
michael@0:     {
michael@0:         gl::error(GL_OUT_OF_MEMORY);
michael@0: 
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     HRESULT result = D3DERR_INVALIDCALL;
michael@0:     
michael@0:     if (width > 0 && height > 0)
michael@0:     {
michael@0:         if (requestedFormat == D3DFMT_D24S8)
michael@0:         {
michael@0:             result = mRenderer->getDevice()->CreateDepthStencilSurface(width, height, requestedFormat,
michael@0:                                                                        gl_d3d9::GetMultisampleTypeFromSamples(supportedSamples),
michael@0:                                                                        0, FALSE, &mRenderTarget, NULL);
michael@0:         }
michael@0:         else
michael@0:         {
michael@0:             result = mRenderer->getDevice()->CreateRenderTarget(width, height, requestedFormat, 
michael@0:                                                                 gl_d3d9::GetMultisampleTypeFromSamples(supportedSamples),
michael@0:                                                                 0, FALSE, &mRenderTarget, NULL);
michael@0:         }
michael@0: 
michael@0:         if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY)
michael@0:         {
michael@0:             gl::error(GL_OUT_OF_MEMORY);
michael@0: 
michael@0:             return;
michael@0:         }
michael@0: 
michael@0:         ASSERT(SUCCEEDED(result));
michael@0:     }
michael@0: 
michael@0:     mWidth = width;
michael@0:     mHeight = height;
michael@0:     mInternalFormat = format;
michael@0:     mSamples = supportedSamples;
michael@0:     mActualFormat = d3d9_gl::GetEquivalentFormat(requestedFormat);
michael@0: }
michael@0: 
michael@0: RenderTarget9::~RenderTarget9()
michael@0: {
michael@0:     if (mRenderTarget)
michael@0:     {
michael@0:         mRenderTarget->Release();
michael@0:     }
michael@0: }
michael@0: 
michael@0: RenderTarget9 *RenderTarget9::makeRenderTarget9(RenderTarget *target)
michael@0: {
michael@0:     ASSERT(HAS_DYNAMIC_TYPE(rx::RenderTarget9*, target));
michael@0:     return static_cast<rx::RenderTarget9*>(target);
michael@0: }
michael@0: 
michael@0: IDirect3DSurface9 *RenderTarget9::getSurface()
michael@0: {
michael@0:     // Caller is responsible for releasing the returned surface reference.
michael@0:     if (mRenderTarget)
michael@0:     {
michael@0:         mRenderTarget->AddRef();
michael@0:     }
michael@0: 
michael@0:     return mRenderTarget;
michael@0: }
michael@0: 
michael@0: }