commit 57ce9ea23e54e7beb0526502bdf9094d1ddfde68
author Geoff Lang <geofflang@chromium.org> Thu Nov 24 12:03:14 2016 -0500
committer Commit Bot <commit-bot@chromium.org> Mon Nov 28 16:55:41 2016 +0000
tree dd1b0c485561e0ce825a9426d7e223b4e158a358
parent fb02830d8f4a42894321c7bd1052acd0cfdae243

Implement EXT_discard_framebuffer for the GL backend.

BUG=angleproject:1634

Change-Id: I3822b99b59d4653e4d9a2c1d3dd16734f2050fae
Reviewed-on: https://chromium-review.googlesource.com/414437
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/libANGLE/renderer/gl/FunctionsGL.cpp

diff --git a/src/libANGLE/renderer/gl/FunctionsGL.cpp b/src/libANGLE/renderer/gl/FunctionsGL.cpp
index fcbf211..985ca94 100644
--- a/src/libANGLE/renderer/gl/FunctionsGL.cpp
+++ b/src/libANGLE/renderer/gl/FunctionsGL.cpp
@@ -788,7 +788,8 @@
       blendBarrier(nullptr),
       primitiveBoundingBox(nullptr),
       eglImageTargetRenderbufferStorageOES(nullptr),
-      eglImageTargetTexture2DOES(nullptr)
+      eglImageTargetTexture2DOES(nullptr),
+      discardFramebuffer(nullptr)
 {
 }
 
@@ -1029,6 +1030,14 @@
     // GL_KHR_robustness
     AssignGLExtensionEntryPoint(extensions, "GL_KHR_robustness", loadProcAddress("glGetGraphicsResetStatus"), &getGraphicsResetStatus);
 
+    // GL_ARB_invalidate_subdata
+    AssignGLExtensionEntryPoint(extensions, "GL_ARB_invalidate_subdata", loadProcAddress("glInvalidateTexSubImage"), &invalidateTexSubImage);
+    AssignGLExtensionEntryPoint(extensions, "GL_ARB_invalidate_subdata", loadProcAddress("glInvalidateTexImage"), &invalidateTexImage);
+    AssignGLExtensionEntryPoint(extensions, "GL_ARB_invalidate_subdata", loadProcAddress("glInvalidateBufferSubData"), &invalidateBufferSubData);
+    AssignGLExtensionEntryPoint(extensions, "GL_ARB_invalidate_subdata", loadProcAddress("glInvalidateBufferData"), &invalidateBufferData);
+    AssignGLExtensionEntryPoint(extensions, "GL_ARB_invalidate_subdata", loadProcAddress("glInvalidateFramebuffer"), &invalidateFramebuffer);
+    AssignGLExtensionEntryPoint(extensions, "GL_ARB_invalidate_subdata", loadProcAddress("glInvalidateSubFramebuffer"), &invalidateSubFramebuffer);
+
     // 1.0
     if (isAtLeastGL(gl::Version(1, 0)))
     {
@@ -1897,6 +1906,9 @@
     // GL_KHR_robustness
     AssignGLExtensionEntryPoint(extensions, "GL_KHR_robustness", loadProcAddress("glGetGraphicsResetStatusKHR"), &getGraphicsResetStatus);
 
+    // GL_EXT_discard_framebuffer
+    AssignGLExtensionEntryPoint(extensions, "GL_EXT_discard_framebuffer", loadProcAddress("glDiscardFramebufferEXT"), &discardFramebuffer);
+
     // 2.0
     if (isAtLeastGLES(gl::Version(2, 0)))
     {