gpu: Extend CopyTextureCHROMIUM with support for copying part of source texture.

gpu/blink/webgraphicscontext3d_impl.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/blink/webgraphicscontext3d_impl.h"
 
 #include "base/atomicops.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "gpu/GLES2/gl2extchromium.h"
@@ skipping 809 matching lines @@
                  WebGLId, WGC3Denum, WGC3Duint*)
 
 DELEGATE_TO_GL_5(copyTextureCHROMIUM,
                  CopyTextureCHROMIUM,
                  WGC3Denum,
                  WebGLId,
                  WebGLId,
                  WGC3Denum,
                  WGC3Denum);
 
-DELEGATE_TO_GL_5(copySubTextureCHROMIUM,
+DELEGATE_TO_GL_9(copySubTextureCHROMIUM,
                  CopySubTextureCHROMIUM,
                  WGC3Denum,
                  WebGLId,
                  WebGLId,
                  WGC3Dint,
-                 WGC3Dint);
+                 WGC3Dint,
+                 WGC3Dint,
+                 WGC3Dint,
+                 WGC3Dsizei,
+                 WGC3Dsizei);
 
 DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM,
                  WebGLId, WGC3Dint, const WGC3Dchar*)
 
 void WebGraphicsContext3DImpl::shallowFlushCHROMIUM() {
   flush_id_ = GenFlushID();
   gl_->ShallowFlushCHROMIUM();
 }
 
 void WebGraphicsContext3DImpl::shallowFinishCHROMIUM() {
@@ skipping 377 matching lines @@
   output_attribs->samples = attributes.antialias ? 4 : 0;
   output_attribs->sample_buffers = attributes.antialias ? 1 : 0;
   output_attribs->fail_if_major_perf_caveat =
       attributes.failIfMajorPerformanceCaveat;
   output_attribs->bind_generates_resource = false;
   output_attribs->es3_context_required =
       (attributes.webGL && attributes.webGLVersion == 2);
 }
 
 }  // namespace gpu_blink