commit 6995068c5ade6e179d2af82caddb0c1cd6f433b6
author robertphillips@google.com <robertphillips@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Apr 06 18:06:10 2012 +0000
committer robertphillips@google.com <robertphillips@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Apr 06 18:06:10 2012 +0000
tree 661091dc664281379e0b3ad5bd7132cc81560bf5
parent 022976554c32b9b1561774553d6c1868c62d9dcf

Initial version of R8 support

http://codereview.appspot.com/5967067/



git-svn-id: http://skia.googlecode.com/svn/trunk@3622 2bbb7eff-a529-9590-31e7-b0007b416f81

src/gpu/gl/GrGLCaps.cpp

diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index d690ff3..8b14a1b 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -30,6 +30,7 @@
     fPackFlipYSupport = false;
     fTextureUsageSupport = false;
     fTexStorageSupport = false;
+    fTextureRedSupport = false;
 }
 
 GrGLCaps::GrGLCaps(const GrGLCaps& caps) {
@@ -52,6 +53,7 @@
     fPackFlipYSupport = caps.fPackFlipYSupport;
     fTextureUsageSupport = caps.fTextureUsageSupport;
     fTexStorageSupport = caps.fTexStorageSupport;
+    fTextureRedSupport = caps.fTextureRedSupport;
 
     return *this;
 }
@@ -129,6 +131,14 @@
                          ctxInfo.hasExtension("GL_ARB_texture_storage") ||
                          ctxInfo.hasExtension("GL_EXT_texture_storage");
 
+    // ARB_texture_rg is part of OpenGL 3.0
+    if (kDesktop_GrGLBinding == binding) {
+        fTextureRedSupport = version >= GR_GL_VER(3,0) ||
+                             ctxInfo.hasExtension("GL_ARB_texture_rg");
+    } else {
+        fTextureRedSupport = ctxInfo.hasExtension("GL_ARB_texture_rg");
+    }
+
     this->initFSAASupport(ctxInfo);
     this->initStencilFormats(ctxInfo);
 }