Add ES3 commands GetVertexAttribI{u}iv to GPU command buffer.

gpu/command_buffer/service/context_state.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.
 
 #include "gpu/command_buffer/service/context_state.h"
 
 #include <cmath>
 
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/buffer_manager.h"
@@ skipping 167 matching lines @@
 void ContextState::RestoreActiveTextureUnitBinding(unsigned int target) const {
   DCHECK_LT(active_texture_unit, texture_units.size());
   const TextureUnit& texture_unit = texture_units[active_texture_unit];
   if (TargetIsSupported(feature_info_, target))
     glBindTexture(target, GetServiceId(texture_unit, target));
 }
 
 void ContextState::RestoreVertexAttribValues() const {
   for (size_t attrib = 0; attrib < vertex_attrib_manager->num_attribs();
        ++attrib) {
-    glVertexAttrib4fv(attrib, attrib_values[attrib].v);
+    switch (attrib_values[attrib].type) {
+      case Vec4::kFloat:
+        {
+          GLfloat v[4];
+          for (size_t ii = 0; ii < 4; ++ii) {
+            v[ii] = static_cast<GLfloat>(attrib_values[attrib].v[ii]);
+          }
+          glVertexAttrib4fv(attrib, v);
+        }
+        break;
+      case Vec4::kInt:
+        {
+          GLint v[4];
+          for (size_t ii = 0; ii < 4; ++ii) {
+            v[ii] = static_cast<GLint>(attrib_values[attrib].v[ii]);
+          }
+          glVertexAttribI4iv(attrib, v);
+        }
+        break;
+      case Vec4::kUInt:
+        {
+          GLuint v[4];
+          for (size_t ii = 0; ii < 4; ++ii) {
+            v[ii] = static_cast<GLuint>(attrib_values[attrib].v[ii]);
+          }
+          glVertexAttribI4uiv(attrib, v);
+        }
+        break;
+    }
   }
 }
 
 void ContextState::RestoreVertexAttribArrays(
     const scoped_refptr<VertexAttribManager> attrib_manager) const {
   // This is expected to be called only for VAO with service_id 0,
   // either to restore the default VAO or a virtual VAO with service_id 0.
   GLuint vao_service_id = attrib_manager->service_id();
   DCHECK(vao_service_id == 0);
 
@@ skipping 98 matching lines @@
 
 // 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/service/context_state_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu