Fix transform feedback bugs

gpu/command_buffer/service/gles2_cmd_decoder.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/gles2_cmd_decoder.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 4519 matching lines @@
       glGenBuffersARB(1, &service_id);
       CreateBuffer(client_id, service_id);
       buffer = GetBuffer(client_id);
     }
   }
   LogClientServiceForInfo(buffer, client_id, "glBindBufferBase");
   if (buffer) {
     // TODO(kbr): track indexed bound buffers.
     service_id = buffer->service_id();
   }
+  switch (target) {
+    case GL_TRANSFORM_FEEDBACK_BUFFER:
+      int max_transform_feedback_separate_attribs;

[Zhenyao Mo, 2016/03/09 17:12:42]

init it to 0

[qiankun, 2016/03/10 01:05:30]

Done.

+      DoGetIntegerv(GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS,
+                    &max_transform_feedback_separate_attribs);
+      if (index >=
+          static_cast<GLuint>(max_transform_feedback_separate_attribs)) {
+        LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,

[Zhenyao Mo, 2016/03/09 17:12:42]

INVALID_VALUE

[qiankun, 2016/03/10 01:05:30]

Done.

+                           "glBindBufferBase", "index out of range");
+        return;
+      }
+      break;
+    case GL_UNIFORM_BUFFER:
+      int max_uniform_buffer_bindings;

[Zhenyao Mo, 2016/03/09 17:12:42]

init it to 0

[qiankun, 2016/03/10 01:05:30]

Done.

+      DoGetIntegerv(GL_MAX_UNIFORM_BUFFER_BINDINGS,
+                    &max_uniform_buffer_bindings);
+      if (index >= static_cast<GLuint>(max_uniform_buffer_bindings)) {
+        LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,

[Zhenyao Mo, 2016/03/09 17:12:42]

INVALID_VALUE

[qiankun, 2016/03/10 01:05:30]

Done.

+                           "glBindBufferBase", "index out of range");
+        return;
+      }
+      break;
+    default:
+      LOCAL_SET_GL_ERROR_INVALID_ENUM(
+          "glBindBufferBase", target, "invalid target");
+      return;
+  }
+  state_.SetBoundBuffer(target, buffer);
   glBindBufferBase(target, index, service_id);
 }
 
 void GLES2DecoderImpl::DoBindBufferRange(GLenum target, GLuint index,
                                          GLuint client_id,
                                          GLintptr offset,
                                          GLsizeiptr size) {
   Buffer* buffer = NULL;
   GLuint service_id = 0;
   if (client_id != 0) {
@@ skipping 11197 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 "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu