Add an attachment helper to replace getRenderTarget.

We would like to stop exposing rx::RenderTarget to any GL-layer
code, like the Context, or Framebuffer. Then we can pull any
necessary information inside the Renderer back-ends.

BUG=angle:732

Change-Id: Ifa35218f097c528e616d732bda4bcd8e5f1c3843
Reviewed-on: https://chromium-review.googlesource.com/217029
Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>

13 files changed, 97 insertions, 49 deletions

diff --git a/src/libGLESv2/Framebuffer.cpp b/src/libGLESv2/Framebuffer.cpp
index 8db41908..4430e505 100644
--- a/src/libGLESv2/Framebuffer.cpp
+++ b/src/libGLESv2/Framebuffer.cpp
@@ -16,9 +16,31 @@
 #include "libGLESv2/FramebufferAttachment.h"
 #include "libGLESv2/renderer/Renderer.h"
 #include "libGLESv2/renderer/RenderTarget.h"
+#include "libGLESv2/renderer/d3d/TextureD3D.h"
 
 #include "common/utilities.h"
 
+namespace rx
+{
+RenderTarget *GetAttachmentRenderTarget(gl::FramebufferAttachment *attachment)
+{
+    if (attachment->isTexture())
+    {
+        gl::Texture *texture = attachment->getTexture();
+        ASSERT(texture);
+        TextureD3D *textureD3D = TextureD3D::makeTextureD3D(texture->getImplementation());
+        return textureD3D->getRenderTarget(attachment->mipLevel(), attachment->layer());
+    }
+
+    gl::Renderbuffer *renderbuffer = attachment->getRenderbuffer();
+    ASSERT(renderbuffer);
+
+    // TODO: cast to RenderbufferD3D
+    return renderbuffer->getStorage()->getRenderTarget();
+}
+
+}
+
 namespace gl
 {
 
@@ -578,7 +600,7 @@ void Framebuffer::invalidateSub(const Caps &caps, GLsizei numAttachments, const
 
         if (attachment)
         {
-            rx::RenderTarget *renderTarget = attachment->getRenderTarget();
+            rx::RenderTarget *renderTarget = rx::GetAttachmentRenderTarget(attachment);
             if (renderTarget)
             {
                 renderTarget->invalidate(x, y, width, height);
diff --git a/src/libGLESv2/Framebuffer.h b/src/libGLESv2/Framebuffer.h
index 8d7678c1..70998ff7 100644
--- a/src/libGLESv2/Framebuffer.h
+++ b/src/libGLESv2/Framebuffer.h
@@ -113,4 +113,12 @@ class DefaultFramebuffer : public Framebuffer
 
 }
 
+namespace rx
+{
+class RenderTarget;
+
+// TODO: place this in FramebufferD3D.h
+RenderTarget *GetAttachmentRenderTarget(gl::FramebufferAttachment *attachment);
+}
+
 #endif   // LIBGLESV2_FRAMEBUFFER_H_
diff --git a/src/libGLESv2/FramebufferAttachment.cpp b/src/libGLESv2/FramebufferAttachment.cpp
index fa933ad0..007b8463 100644
--- a/src/libGLESv2/FramebufferAttachment.cpp
+++ b/src/libGLESv2/FramebufferAttachment.cpp
@@ -135,11 +135,6 @@ GLint TextureAttachment::layer() const
     return mIndex.layerIndex;
 }
 
-rx::RenderTarget *TextureAttachment::getRenderTarget()
-{
-    return mTexture->getRenderTarget(mIndex);
-}
-
 unsigned int TextureAttachment::getSerial() const
 {
     return mTexture->getRenderTargetSerial(mIndex);
@@ -170,11 +165,6 @@ RenderbufferAttachment::~RenderbufferAttachment()
     mRenderbuffer.set(NULL);
 }
 
-rx::RenderTarget *RenderbufferAttachment::getRenderTarget()
-{
-    return mRenderbuffer->getStorage()->getRenderTarget();
-}
-
 GLsizei RenderbufferAttachment::getWidth() const
 {
     return mRenderbuffer->getWidth();
diff --git a/src/libGLESv2/FramebufferAttachment.h b/src/libGLESv2/FramebufferAttachment.h
index e4cb9162..90c50d0c 100644
--- a/src/libGLESv2/FramebufferAttachment.h
+++ b/src/libGLESv2/FramebufferAttachment.h
@@ -56,8 +56,6 @@ class FramebufferAttachment
     GLenum getBinding() const { return mBinding; }
 
     // Child class interface
-    virtual rx::RenderTarget *getRenderTarget() = 0;
-
     virtual GLsizei getWidth() const = 0;
     virtual GLsizei getHeight() const = 0;
     virtual GLenum getInternalFormat() const = 0;
@@ -98,7 +96,6 @@ class TextureAttachment : public FramebufferAttachment
     virtual GLint mipLevel() const;
     virtual GLint layer() const;
 
-    virtual rx::RenderTarget *getRenderTarget();
     virtual unsigned int getSerial() const;
 
     virtual Texture *getTexture();
@@ -118,8 +115,6 @@ class RenderbufferAttachment : public FramebufferAttachment
 
     virtual ~RenderbufferAttachment();
 
-    rx::RenderTarget *getRenderTarget();
-
     virtual GLsizei getWidth() const;
     virtual GLsizei getHeight() const;
     virtual GLenum getInternalFormat() const;
diff --git a/src/libGLESv2/renderer/d3d/d3d11/Clear11.cpp b/src/libGLESv2/renderer/d3d/d3d11/Clear11.cpp
index 8aac2f1d..c60b7a6c 100644
--- a/src/libGLESv2/renderer/d3d/d3d11/Clear11.cpp
+++ b/src/libGLESv2/renderer/d3d/d3d11/Clear11.cpp
@@ -211,7 +211,7 @@ gl::Error Clear11::clearFramebuffer(const gl::ClearParameters &clearParams, gl::
             gl::FramebufferAttachment *attachment = frameBuffer->getColorbuffer(colorAttachment);
             if (attachment)
             {
-                RenderTarget11 *renderTarget = RenderTarget11::makeRenderTarget11(attachment->getRenderTarget());
+                RenderTarget11 *renderTarget = d3d11::GetAttachmentRenderTarget(attachment);
                 if (!renderTarget)
                 {
                     return gl::Error(GL_OUT_OF_MEMORY, "Internal render target view pointer unexpectedly null.");
@@ -284,7 +284,7 @@ gl::Error Clear11::clearFramebuffer(const gl::ClearParameters &clearParams, gl::
         gl::FramebufferAttachment *attachment = frameBuffer->getDepthOrStencilbuffer();
         if (attachment)
         {
-            RenderTarget11 *renderTarget = RenderTarget11::makeRenderTarget11(attachment->getRenderTarget());
+            RenderTarget11 *renderTarget = d3d11::GetAttachmentRenderTarget(attachment);
             if (!renderTarget)
             {
                 return gl::Error(GL_OUT_OF_MEMORY, "Internal depth stencil view pointer unexpectedly null.");
diff --git a/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp b/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp
index de850719..10d6bbef 100644
--- a/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp
+++ b/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp
@@ -823,7 +823,7 @@ bool Renderer11::applyRenderTarget(gl::Framebuffer *framebuffer)
             renderTargetSerials[colorAttachment] = colorbuffer->getSerial();
 
             // Extract the render target dimensions and view
-            RenderTarget11 *renderTarget = RenderTarget11::makeRenderTarget11(colorbuffer->getRenderTarget());
+            RenderTarget11 *renderTarget = d3d11::GetAttachmentRenderTarget(colorbuffer);
             if (!renderTarget)
             {
                 ERR("render target pointer unexpectedly null.");
@@ -867,7 +867,7 @@ bool Renderer11::applyRenderTarget(gl::Framebuffer *framebuffer)
     ID3D11DepthStencilView* framebufferDSV = NULL;
     if (depthStencil)
     {
-        RenderTarget11 *depthStencilRenderTarget = RenderTarget11::makeRenderTarget11(depthStencil->getRenderTarget());
+        RenderTarget11 *depthStencilRenderTarget = d3d11::GetAttachmentRenderTarget(depthStencil);
         if (!depthStencilRenderTarget)
         {
             ERR("render target pointer unexpectedly null.");
@@ -1943,7 +1943,7 @@ bool Renderer11::copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &so
         return gl::error(GL_OUT_OF_MEMORY, false);
     }
 
-    RenderTarget11 *sourceRenderTarget = RenderTarget11::makeRenderTarget11(colorbuffer->getRenderTarget());
+    RenderTarget11 *sourceRenderTarget = d3d11::GetAttachmentRenderTarget(colorbuffer);
     if (!sourceRenderTarget)
     {
         ERR("Failed to retrieve the render target from the frame buffer.");
@@ -2004,7 +2004,7 @@ bool Renderer11::copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &so
         return gl::error(GL_OUT_OF_MEMORY, false);
     }
 
-    RenderTarget11 *sourceRenderTarget = RenderTarget11::makeRenderTarget11(colorbuffer->getRenderTarget());
+    RenderTarget11 *sourceRenderTarget = d3d11::GetAttachmentRenderTarget(colorbuffer);
     if (!sourceRenderTarget)
     {
         ERR("Failed to retrieve the render target from the frame buffer.");
@@ -2065,7 +2065,7 @@ bool Renderer11::copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &so
         return gl::error(GL_OUT_OF_MEMORY, false);
     }
 
-    RenderTarget11 *sourceRenderTarget = RenderTarget11::makeRenderTarget11(colorbuffer->getRenderTarget());
+    RenderTarget11 *sourceRenderTarget = d3d11::GetAttachmentRenderTarget(colorbuffer);
     if (!sourceRenderTarget)
     {
         ERR("Failed to retrieve the render target from the frame buffer.");
@@ -2126,7 +2126,7 @@ bool Renderer11::copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &so
         return gl::error(GL_OUT_OF_MEMORY, false);
     }
 
-    RenderTarget11 *sourceRenderTarget = RenderTarget11::makeRenderTarget11(colorbuffer->getRenderTarget());
+    RenderTarget11 *sourceRenderTarget = d3d11::GetAttachmentRenderTarget(colorbuffer);
     if (!sourceRenderTarget)
     {
         ERR("Failed to retrieve the render target from the frame buffer.");
@@ -2500,7 +2500,7 @@ bool Renderer11::getRenderTargetResource(gl::FramebufferAttachment *colorbuffer,
 {
     ASSERT(colorbuffer != NULL);
 
-    RenderTarget11 *renderTarget = RenderTarget11::makeRenderTarget11(colorbuffer->getRenderTarget());
+    RenderTarget11 *renderTarget = d3d11::GetAttachmentRenderTarget(colorbuffer);
     if (renderTarget)
     {
         *subresourceIndex = renderTarget->getSubresourceIndex();
@@ -2545,7 +2545,7 @@ bool Renderer11::blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &read
             return gl::error(GL_OUT_OF_MEMORY, false);
         }
 
-        RenderTarget *readRenderTarget = readBuffer->getRenderTarget();
+        RenderTarget *readRenderTarget = GetAttachmentRenderTarget(readBuffer);
 
         for (unsigned int colorAttachment = 0; colorAttachment < gl::IMPLEMENTATION_MAX_DRAW_BUFFERS; colorAttachment++)
         {
@@ -2559,7 +2559,7 @@ bool Renderer11::blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &read
                     return gl::error(GL_OUT_OF_MEMORY, false);
                 }
 
-                RenderTarget *drawRenderTarget = drawBuffer->getRenderTarget();
+                RenderTarget *drawRenderTarget = GetAttachmentRenderTarget(drawBuffer);
 
                 if (!blitRenderbufferRect(readRect, drawRect, readRenderTarget, drawRenderTarget, filter, scissor,
                                           blitRenderTarget, false, false))
@@ -2587,8 +2587,8 @@ bool Renderer11::blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &read
             return gl::error(GL_OUT_OF_MEMORY, false);
         }
 
-        RenderTarget *readRenderTarget = readBuffer->getRenderTarget();
-        RenderTarget *drawRenderTarget = drawBuffer->getRenderTarget();
+        RenderTarget *readRenderTarget = GetAttachmentRenderTarget(readBuffer);
+        RenderTarget *drawRenderTarget = GetAttachmentRenderTarget(drawBuffer);
         ASSERT(readRenderTarget && drawRenderTarget);
 
         if (!blitRenderbufferRect(readRect, drawRect, readRenderTarget, drawRenderTarget, filter, scissor,
@@ -3102,6 +3102,7 @@ void Renderer11::invalidateFBOAttachmentSwizzles(gl::FramebufferAttachment *atta
 {
     ASSERT(attachment->isTexture());
     gl::Texture *texture = attachment->getTexture();
+
     TextureStorage *texStorage = texture->getNativeTexture()->getStorageInstance();
     if (texStorage)
     {
diff --git a/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.cpp b/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.cpp
index 093ae9cc..39bec903 100644
--- a/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.cpp
+++ b/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.cpp
@@ -9,7 +9,9 @@
 
 #include "libGLESv2/renderer/d3d/d3d11/renderer11_utils.h"
 #include "libGLESv2/renderer/d3d/d3d11/formatutils11.h"
+#include "libGLESv2/renderer/d3d/d3d11/RenderTarget11.h"
 #include "libGLESv2/ProgramBinary.h"
+#include "libGLESv2/Framebuffer.h"
 
 #include "common/debug.h"
 
@@ -1063,6 +1065,12 @@ HRESULT SetDebugName(ID3D11DeviceChild *resource, const char *name)
 #endif
 }
 
+RenderTarget11 *GetAttachmentRenderTarget(gl::FramebufferAttachment *attachment)
+{
+    RenderTarget *renderTarget = rx::GetAttachmentRenderTarget(attachment);
+    return RenderTarget11::makeRenderTarget11(renderTarget);
+}
+
 }
 
 }
diff --git a/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.h b/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.h
index 4c5a3b54..4c05eb92 100644
--- a/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.h
+++ b/src/libGLESv2/renderer/d3d/d3d11/renderer11_utils.h
@@ -15,8 +15,14 @@
 
 #include <vector>
 
+namespace gl
+{
+class FramebufferAttachment;
+}
+
 namespace rx
 {
+class RenderTarget11;
 
 namespace gl_d3d11
 {
@@ -170,6 +176,8 @@ inline void SetBufferData(ID3D11DeviceContext *context, ID3D11Buffer *constantBu
     context->Unmap(constantBuffer, 0);
 }
 
+RenderTarget11 *GetAttachmentRenderTarget(gl::FramebufferAttachment *attachment);
+
 }
 
 }
diff --git a/src/libGLESv2/renderer/d3d/d3d9/Blit9.cpp b/src/libGLESv2/renderer/d3d/d3d9/Blit9.cpp
index d5f421f1..59867fb1 100644
--- a/src/libGLESv2/renderer/d3d/d3d9/Blit9.cpp
+++ b/src/libGLESv2/renderer/d3d/d3d9/Blit9.cpp
@@ -216,9 +216,9 @@ bool Blit9::copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum de
 
     if (colorbuffer)
     {
-        renderTarget = RenderTarget9::makeRenderTarget9(colorbuffer->getRenderTarget());
+        renderTarget = d3d9::GetAttachmentRenderTarget(colorbuffer);
     }
-    
+
     if (renderTarget)
     {
         source = renderTarget->getSurface();
@@ -233,7 +233,7 @@ bool Blit9::copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum de
     TextureStorage9_2D *storage9 = TextureStorage9_2D::makeTextureStorage9_2D(storage->getStorageInstance());
     IDirect3DSurface9 *destSurface = storage9->getSurfaceLevel(level, true);
     bool result = false;
-        
+
     if (destSurface)
     {
         result = copy(source, sourceRect, destFormat, xoffset, yoffset, destSurface);
@@ -252,9 +252,9 @@ bool Blit9::copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum de
 
     if (colorbuffer)
     {
-        renderTarget = RenderTarget9::makeRenderTarget9(colorbuffer->getRenderTarget());
+        renderTarget = d3d9::GetAttachmentRenderTarget(colorbuffer);
     }
-    
+
     if (renderTarget)
     {
         source = renderTarget->getSurface();
diff --git a/src/libGLESv2/renderer/d3d/d3d9/Image9.cpp b/src/libGLESv2/renderer/d3d/d3d9/Image9.cpp
index e52739ca..95c920e8 100644
--- a/src/libGLESv2/renderer/d3d/d3d9/Image9.cpp
+++ b/src/libGLESv2/renderer/d3d/d3d9/Image9.cpp
@@ -368,7 +368,7 @@ bool Image9::copyToSurface(IDirect3DSurface9 *destSurface, GLint xoffset, GLint
         }
         else
         {
-            // UpdateSurface: source must be SYSTEMMEM, dest must be DEFAULT pools 
+            // UpdateSurface: source must be SYSTEMMEM, dest must be DEFAULT pools
             HRESULT result = device->UpdateSurface(sourceSurface, &rect, destSurface, &point);
             UNUSED_ASSERTION_VARIABLE(result);
             ASSERT(SUCCEEDED(result));
@@ -462,9 +462,9 @@ void Image9::copy(GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y,
 
     if (colorbuffer)
     {
-        renderTarget = RenderTarget9::makeRenderTarget9(colorbuffer->getRenderTarget());
+        renderTarget = d3d9::GetAttachmentRenderTarget(colorbuffer);
     }
-    
+
     if (renderTarget)
     {
         surface = renderTarget->getSurface();
@@ -481,7 +481,7 @@ void Image9::copy(GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y,
     IDirect3DSurface9 *renderTargetData = NULL;
     D3DSURFACE_DESC description;
     surface->GetDesc(&description);
-    
+
     HRESULT result = device->CreateOffscreenPlainSurface(description.Width, description.Height, description.Format, D3DPOOL_SYSTEMMEM, &renderTargetData, NULL);
 
     if (FAILED(result))
@@ -517,7 +517,7 @@ void Image9::copy(GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y,
 
     D3DLOCKED_RECT destLock = {0};
     result = lock(&destLock, &destRect);
-    
+
     if (FAILED(result))
     {
         ERR("Failed to lock the destination surface (rectangle might be invalid).");
diff --git a/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp b/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp
index 3047f79e..4ae077df 100644
--- a/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp
+++ b/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp
@@ -1156,10 +1156,10 @@ bool Renderer9::applyRenderTarget(gl::Framebuffer *framebuffer)
         // Apply the render target on the device
         IDirect3DSurface9 *renderTargetSurface = NULL;
 
-        RenderTarget *renderTarget = attachment->getRenderTarget();
+        RenderTarget9 *renderTarget = d3d9::GetAttachmentRenderTarget(attachment);
         if (renderTarget)
         {
-            renderTargetSurface = RenderTarget9::makeRenderTarget9(renderTarget)->getSurface();
+            renderTargetSurface = renderTarget->getSurface();
         }
 
         if (!renderTargetSurface)
@@ -1199,11 +1199,11 @@ bool Renderer9::applyRenderTarget(gl::Framebuffer *framebuffer)
         if (depthStencil)
         {
             IDirect3DSurface9 *depthStencilSurface = NULL;
-            RenderTarget *depthStencilRenderTarget = depthStencil->getRenderTarget();
+            rx::RenderTarget9 *depthStencilRenderTarget = d3d9::GetAttachmentRenderTarget(depthStencil);
 
             if (depthStencilRenderTarget)
             {
-                depthStencilSurface = RenderTarget9::makeRenderTarget9(depthStencilRenderTarget)->getSurface();
+                depthStencilSurface = depthStencilRenderTarget->getSurface();
             }
 
             if (!depthStencilSurface)
@@ -2478,11 +2478,11 @@ bool Renderer9::blitRect(gl::Framebuffer *readFramebuffer, const gl::Rectangle &
 
         if (readBuffer)
         {
-            readRenderTarget = RenderTarget9::makeRenderTarget9(readBuffer->getRenderTarget());
+            readRenderTarget = d3d9::GetAttachmentRenderTarget(readBuffer);
         }
         if (drawBuffer)
         {
-            drawRenderTarget = RenderTarget9::makeRenderTarget9(drawBuffer->getRenderTarget());
+            drawRenderTarget = d3d9::GetAttachmentRenderTarget(drawBuffer);
         }
 
         if (readRenderTarget)
@@ -2607,11 +2607,11 @@ bool Renderer9::blitRect(gl::Framebuffer *readFramebuffer, const gl::Rectangle &
 
         if (readBuffer)
         {
-            readDepthStencil = RenderTarget9::makeRenderTarget9(readBuffer->getRenderTarget());
+            readDepthStencil = d3d9::GetAttachmentRenderTarget(readBuffer);
         }
         if (drawBuffer)
         {
-            drawDepthStencil = RenderTarget9::makeRenderTarget9(drawBuffer->getRenderTarget());
+            drawDepthStencil = d3d9::GetAttachmentRenderTarget(drawBuffer);
         }
 
         if (readDepthStencil)
@@ -2655,7 +2655,7 @@ gl::Error Renderer9::readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y,
 
     if (colorbuffer)
     {
-        renderTarget = RenderTarget9::makeRenderTarget9(colorbuffer->getRenderTarget());
+        renderTarget = d3d9::GetAttachmentRenderTarget(colorbuffer);
     }
 
     if (renderTarget)
diff --git a/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.cpp b/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.cpp
index b6ba530c..879a6427 100644
--- a/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.cpp
+++ b/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.cpp
@@ -10,6 +10,8 @@
 #include "libGLESv2/renderer/d3d/d3d9/renderer9_utils.h"
 #include "libGLESv2/renderer/d3d/d3d9/formatutils9.h"
 #include "libGLESv2/formatutils.h"
+#include "libGLESv2/Framebuffer.h"
+#include "libGLESv2/renderer/d3d/d3d9/RenderTarget9.h"
 
 #include "common/mathutil.h"
 #include "common/debug.h"
@@ -531,6 +533,12 @@ void MakeValidSize(bool isImage, D3DFORMAT format, GLsizei *requestWidth, GLsize
     *levelOffset = upsampleCount;
 }
 
+RenderTarget9 *GetAttachmentRenderTarget(gl::FramebufferAttachment *attachment)
+{
+    RenderTarget *renderTarget = rx::GetAttachmentRenderTarget(attachment);
+    return RenderTarget9::makeRenderTarget9(renderTarget);
+}
+
 }
 
 }
diff --git a/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.h b/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.h
index 5f19f3b7..b0a940e6 100644
--- a/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.h
+++ b/src/libGLESv2/renderer/d3d/d3d9/renderer9_utils.h
@@ -4,7 +4,7 @@
 // found in the LICENSE file.
 //
 
-// renderer9_utils.h: Conversion functions and other utility routines 
+// renderer9_utils.h: Conversion functions and other utility routines
 // specific to the D3D9 renderer
 
 #ifndef LIBGLESV2_RENDERER_RENDERER9_UTILS_H
@@ -13,8 +13,14 @@
 #include "libGLESv2/angletypes.h"
 #include "libGLESv2/Caps.h"
 
+namespace gl
+{
+class FramebufferAttachment;
+}
+
 namespace rx
 {
+class RenderTarget9;
 
 namespace gl_d3d9
 {
@@ -68,6 +74,8 @@ inline bool isDeviceLostError(HRESULT errorCode)
     }
 }
 
+RenderTarget9 *GetAttachmentRenderTarget(gl::FramebufferAttachment *attachment);
+
 }
 
 }