Add subscribeUniform extension pipeline

BUG=422978

Committed: https://crrev.com/80b40cc8eab5e6bef6221c0bc5c1d006059acd8f
Cr-Commit-Position: refs/heads/master@{#303050}

Review URL: https://codereview.chromium.org/659903002

Cr-Commit-Position: refs/heads/master@{#303275}

2 files changed, 53 insertions, 0 deletions

diff --git a/webkit/common/gpu/webgraphicscontext3d_impl.cc b/webkit/common/gpu/webgraphicscontext3d_impl.cc
index 3625de5..9e42509 100644
--- a/webkit/common/gpu/webgraphicscontext3d_impl.cc
+++ b/webkit/common/gpu/webgraphicscontext3d_impl.cc
@@ -846,6 +846,47 @@ DELEGATE_TO_GL_2R(createAndConsumeTextureCHROMIUM,
                   CreateAndConsumeTextureCHROMIUM,
                   WGC3Denum, const WGC3Dbyte*, WebGLId)
 
+DELEGATE_TO_GL_2(genValuebuffersCHROMIUM,
+                 GenValuebuffersCHROMIUM,
+                 WGC3Dsizei,
+                 WebGLId*);
+
+WebGLId WebGraphicsContext3DImpl::createValuebufferCHROMIUM() {
+  GLuint o;
+  gl_->GenValuebuffersCHROMIUM(1, &o);
+  return o;
+}
+
+DELEGATE_TO_GL_2(deleteValuebuffersCHROMIUM,
+                 DeleteValuebuffersCHROMIUM,
+                 WGC3Dsizei,
+                 WebGLId*);
+
+void WebGraphicsContext3DImpl::deleteValuebufferCHROMIUM(WebGLId valuebuffer) {
+  gl_->DeleteValuebuffersCHROMIUM(1, &valuebuffer);
+}
+
+DELEGATE_TO_GL_1RB(isValuebufferCHROMIUM,
+                   IsValuebufferCHROMIUM,
+                   WebGLId,
+                   WGC3Dboolean)
+DELEGATE_TO_GL_2(bindValuebufferCHROMIUM,
+                 BindValuebufferCHROMIUM,
+                 WGC3Denum,
+                 WebGLId)
+DELEGATE_TO_GL_2(subscribeValueCHROMIUM,
+                 SubscribeValueCHROMIUM,
+                 WGC3Denum,
+                 WGC3Denum);
+DELEGATE_TO_GL_1(populateSubscribedValuesCHROMIUM,
+                 PopulateSubscribedValuesCHROMIUM,
+                 WGC3Denum);
+DELEGATE_TO_GL_3(uniformValuebufferCHROMIUM,
+                 UniformValuebufferCHROMIUM,
+                 WGC3Dint,
+                 WGC3Denum,
+                 WGC3Denum);
+
 void WebGraphicsContext3DImpl::insertEventMarkerEXT(
     const WGC3Dchar* marker) {
   gl_->InsertEventMarkerEXT(0, marker);
diff --git a/webkit/common/gpu/webgraphicscontext3d_impl.h b/webkit/common/gpu/webgraphicscontext3d_impl.h
index ee3cb36..3ed0dd9 100644
--- a/webkit/common/gpu/webgraphicscontext3d_impl.h
+++ b/webkit/common/gpu/webgraphicscontext3d_impl.h
@@ -483,6 +483,18 @@ class WEBKIT_GPU_EXPORT WebGraphicsContext3DImpl
   virtual WebGLId createAndConsumeTextureCHROMIUM(WGC3Denum target,
                                       const WGC3Dbyte* mailbox);
 
+  virtual void genValuebuffersCHROMIUM(WGC3Dsizei count, WebGLId* ids);
+  virtual WebGLId createValuebufferCHROMIUM();
+  virtual void deleteValuebuffersCHROMIUM(WGC3Dsizei count, WebGLId* ids);
+  virtual void deleteValuebufferCHROMIUM(WebGLId);
+  virtual void bindValuebufferCHROMIUM(WGC3Denum target, WebGLId valuebuffer);
+  virtual WGC3Dboolean isValuebufferCHROMIUM(WebGLId renderbuffer);
+  virtual void subscribeValueCHROMIUM(WGC3Denum target, WGC3Denum subscription);
+  virtual void populateSubscribedValuesCHROMIUM(WGC3Denum target);
+  virtual void uniformValuebufferCHROMIUM(WGC3Dint location,
+                                          WGC3Denum target,
+                                          WGC3Denum subscription);
+
   virtual void insertEventMarkerEXT(const WGC3Dchar* marker);
   virtual void pushGroupMarkerEXT(const WGC3Dchar* marker);
   virtual void popGroupMarkerEXT();