Adds a utility function to calculate the size of a pixel given a DXGI format.

TRAC #22208

Author: Shannon Woods
Signed-off-by: Geoff Lang
Signed-off-by: Daniel Koch

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1590 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/renderer11_utils.h b/src/libGLESv2/renderer/renderer11_utils.h
index 4ef84d6..d30ab99 100644
--- a/src/libGLESv2/renderer/renderer11_utils.h
+++ b/src/libGLESv2/renderer/renderer11_utils.h
@@ -28,6 +28,9 @@
 UINT8 ConvertStencilMask(GLuint stencilmask);
 D3D11_STENCIL_OP ConvertStencilOp(GLenum stencilOp);
 
+DXGI_FORMAT ConvertRenderbufferFormat(GLenum format);
+DXGI_FORMAT ConvertTextureInternalFormat(GLenum internalformat);
+
 }
 
 namespace d3d11_gl
@@ -37,12 +40,13 @@
 GLenum ConvertDepthStencilFormat(DXGI_FORMAT format);
 GLenum ConvertRenderbufferFormat(DXGI_FORMAT format);
 GLenum ConvertTextureInternalFormat(DXGI_FORMAT format);
+
 }
 
-namespace gl_d3d11
+namespace d3d11
 {
-DXGI_FORMAT ConvertRenderbufferFormat(GLenum format);
-DXGI_FORMAT ConvertTextureInternalFormat(GLenum internalformat);
+size_t ComputePixelSizeBits(DXGI_FORMAT format);
+size_t ComputeBlockSizeBits(DXGI_FORMAT format);
 }
 
 inline bool isDeviceLostError(HRESULT errorCode)