commit 687152872868ca57915af8859d77b6b13fe229c0
author jbauman@chromium.org <jbauman@chromium.org@736b8ea6-26fd-11df-bfd4-992fa37f6226> Thu Jul 12 23:28:41 2012 +0000
committer jbauman@chromium.org <jbauman@chromium.org@736b8ea6-26fd-11df-bfd4-992fa37f6226> Thu Jul 12 23:28:41 2012 +0000
tree ef94a1ae4e4691c911d4e4f2fd6bed2dafb2ae28
parent 07ab841a88e2779dec5d5a347a8403c7d84f28e8

Scale up non-multiple-of-4 dxt textures

D3D doesn't support DXT textures that aren't a multiple of 4 in size, so multiply the sizes by 2 or 4 so they work. Then ensure sampler parameters are set up correctly so they don't sample the unuploaded miplevels.

BUG=https://code.google.com/p/angleproject/issues/detail?id=237
TEST=

Review URL: https://codereview.appspot.com/6287045

git-svn-id: https://angleproject.googlecode.com/svn/trunk@1222 736b8ea6-26fd-11df-bfd4-992fa37f6226

src/libGLESv2/Texture.h

diff --git a/src/libGLESv2/Texture.h b/src/libGLESv2/Texture.h
index ccddf57..6d67df7 100644
--- a/src/libGLESv2/Texture.h
+++ b/src/libGLESv2/Texture.h
@@ -150,6 +150,10 @@
     DWORD getUsage() const;
     unsigned int getTextureSerial() const;
     virtual unsigned int getRenderTargetSerial(GLenum target) const = 0;
+    int getLodOffset() const;
+
+  protected:
+    int mLodOffset;
 
   private:
     DISALLOW_COPY_AND_ASSIGN(TextureStorage);
@@ -204,6 +208,7 @@
     unsigned int getRenderTargetSerial(GLenum target);
 
     bool isImmutable() const;
+    int getLodOffset();
 
     static const GLuint INCOMPLETE_TEXTURE_ID = static_cast<GLuint>(-1);   // Every texture takes an id at creation time. The value is arbitrary because it is never registered with the resource manager.
 
@@ -427,4 +432,4 @@
 };
 }
 
-#endif   // LIBGLESV2_TEXTURE_H_
\ No newline at end of file
+#endif   // LIBGLESV2_TEXTURE_H_