Add subscribeUniform extension pipeline

gpu/command_buffer/client/gles2_implementation.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
@@ skipping 2346 matching lines @@
 
 void GLES2Implementation::GenVertexArraysOESHelper(
     GLsizei n, const GLuint* arrays) {
   vertex_array_object_manager_->GenVertexArrays(n, arrays);
 }
 
 void GLES2Implementation::GenQueriesEXTHelper(
     GLsizei /* n */, const GLuint* /* queries */) {
 }
 
+void GLES2Implementation::GenValuebuffersCHROMIUMHelper(
+    GLsizei /* n */,
+    const GLuint* /* valuebuffers */) {
+}
+
 // NOTE #1: On old versions of OpenGL, calling glBindXXX with an unused id
 // generates a new resource. On newer versions of OpenGL they don't. The code
 // related to binding below will need to change if we switch to the new OpenGL
 // model. Specifically it assumes a bind will succeed which is always true in
 // the old model but possibly not true in the new model if another context has
 // deleted the resource.
 
 bool GLES2Implementation::BindBufferHelper(
     GLenum target, GLuint buffer_id) {
   // TODO(gman): See note #1 above.
@@ skipping 129 matching lines @@
         GL_INVALID_OPERATION, "glBindVertexArrayOES",
         "id was not generated with glGenVertexArrayOES");
   }
   // Unlike other BindXXXHelpers we don't call MarkAsUsedForBind
   // because unlike other resources VertexArrayObject ids must
   // be generated by GenVertexArrays. A random id to Bind will not
   // generate a new object.
   return changed;
 }
 
+bool GLES2Implementation::BindValuebufferCHROMIUMHelper(GLenum target,
+                                                        GLuint valuebuffer) {
+  bool changed = false;
+  switch (target) {
+    case GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM:
+      if (bound_valuebuffer_ != valuebuffer) {
+        bound_valuebuffer_ = valuebuffer;
+        changed = true;
+      }
+      break;
+    default:
+      changed = true;
+      break;
+  }
+  // TODO(gman): There's a bug here. If the target is invalid the ID will not be
+  // used even though it's marked it as used here.
+  GetIdHandler(id_namespaces::kValuebuffers)->MarkAsUsedForBind(valuebuffer);
+  return changed;
+}
+
 bool GLES2Implementation::UseProgramHelper(GLuint program) {
   bool changed = false;
   if (current_program_ != program) {
     current_program_ = program;
     changed = true;
   }
   return changed;
 }
 
 bool GLES2Implementation::IsBufferReservedId(GLuint id) {
@@ skipping 96 matching lines @@
       if (textures[ii] == unit.bound_texture_cube_map) {
         unit.bound_texture_cube_map = 0;
       }
       if (textures[ii] == unit.bound_texture_external_oes) {
         unit.bound_texture_external_oes = 0;
       }
     }
   }
 }
 
+void GLES2Implementation::DeleteTexturesStub(GLsizei n,
+                                             const GLuint* textures) {
+  helper_->DeleteTexturesImmediate(n, textures);
+}
+
 void GLES2Implementation::DeleteVertexArraysOESHelper(
     GLsizei n, const GLuint* arrays) {
   vertex_array_object_manager_->DeleteVertexArrays(n, arrays);
   if (!GetIdHandler(id_namespaces::kVertexArrays)->FreeIds(
       this, n, arrays, &GLES2Implementation::DeleteVertexArraysOESStub)) {
     SetGLError(
         GL_INVALID_VALUE,
         "glDeleteVertexArraysOES", "id not created by this context.");
     return;
   }
 }
 
 void GLES2Implementation::DeleteVertexArraysOESStub(
     GLsizei n, const GLuint* arrays) {
   helper_->DeleteVertexArraysOESImmediate(n, arrays);
 }
 
-void GLES2Implementation::DeleteTexturesStub(
-    GLsizei n, const GLuint* textures) {
-  helper_->DeleteTexturesImmediate(n, textures);
+void GLES2Implementation::DeleteValuebuffersCHROMIUMHelper(
+    GLsizei n,
+    const GLuint* valuebuffers) {
+  if (!GetIdHandler(id_namespaces::kValuebuffers)
+           ->FreeIds(this, n, valuebuffers,
+                     &GLES2Implementation::DeleteValuebuffersCHROMIUMStub)) {
+    SetGLError(GL_INVALID_VALUE, "glDeleteValuebuffersCHROMIUM",
+               "id not created by this context.");
+    return;
+  }
+  for (GLsizei ii = 0; ii < n; ++ii) {
+    if (valuebuffers[ii] == bound_valuebuffer_) {
+      bound_valuebuffer_ = 0;
+    }
+  }
+}
+
+void GLES2Implementation::DeleteValuebuffersCHROMIUMStub(
+    GLsizei n,
+    const GLuint* valuebuffers) {
+  helper_->DeleteValuebuffersCHROMIUMImmediate(n, valuebuffers);
 }
 
 void GLES2Implementation::DisableVertexAttribArray(GLuint index) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG(
       "[" << GetLogPrefix() << "] glDisableVertexAttribArray(" << index << ")");
   vertex_array_object_manager_->SetAttribEnable(index, false);
   helper_->DisableVertexAttribArray(index);
   CheckGLError();
 }
@@ skipping 1406 matching lines @@
   return true;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/client/gles2_implementation_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu