mojo/gles2/gles2_impl.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/public/c/gles2/gles2.h"
   6
   7 #include "base/lazy_instance.h"
   8 #include "base/threading/thread_local.h"
   9 #include "gpu/GLES2/gl2extchromium.h"
  10 #include "gpu/command_buffer/client/gles2_interface.h"
  11 #include "mojo/gles2/gles2_context.h"
  12
  13 using gles2::GLES2Context;
  14
  15 namespace {
  16
  17 base::LazyInstance<base::ThreadLocalPointer<gpu::gles2::GLES2Interface> >::Leaky
  18     g_gpu_interface;
  19
  20 }  // namespace
  21
  22 extern "C" {
  23 MojoGLES2Context MojoGLES2CreateContext(MojoHandle handle,
  24                                         MojoGLES2ContextLost lost_callback,
  25                                         void* closure,
  26                                         const MojoAsyncWaiter* async_waiter) {
  27   mojo::MessagePipeHandle mph(handle);
  28   mojo::ScopedMessagePipeHandle scoped_handle(mph);
  29   scoped_ptr<GLES2Context> client(new GLES2Context(
  30       async_waiter, scoped_handle.Pass(), lost_callback, closure));
  31   if (!client->Initialize())
  32     client.reset();
  33   return client.release();
  34 }
  35
  36 void MojoGLES2DestroyContext(MojoGLES2Context context) {
  37   delete static_cast<GLES2Context*>(context);
  38 }
  39
  40 void MojoGLES2MakeCurrent(MojoGLES2Context context) {
  41   gpu::gles2::GLES2Interface* interface = NULL;
  42   if (context) {
  43     GLES2Context* client = static_cast<GLES2Context*>(context);
  44     interface = client->interface();
  45     DCHECK(interface);
  46   }
  47   g_gpu_interface.Get().Set(interface);
  48 }
  49
  50 void MojoGLES2SwapBuffers() {
  51   DCHECK(g_gpu_interface.Get().Get());
  52   g_gpu_interface.Get().Get()->SwapBuffers();
  53 }
  54
  55 void* MojoGLES2GetGLES2Interface(MojoGLES2Context context) {
  56   return static_cast<GLES2Context*>(context)->interface();
  57 }
  58
  59 void* MojoGLES2GetContextSupport(MojoGLES2Context context) {
  60   return static_cast<GLES2Context*>(context)->context_support();
  61 }
  62
  63 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
  64   ReturnType gl##Function PARAMETERS {                             \
  65     DCHECK(g_gpu_interface.Get().Get());                           \
  66     return g_gpu_interface.Get().Get()->Function ARGUMENTS;        \
  67   }
  68 #include "mojo/public/c/gles2/gles2_call_visitor_autogen.h"
  69 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_miscellaneous_autogen.h"
  70 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h"
  71 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_sync_point_autogen.h"
  72 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_texture_mailbox_autogen.h"
  73 #include "mojo/public/c/gles2/gles2_call_visitor_occlusion_query_ext_autogen.h"
  74 #undef VISIT_GL_CALL
  75
  76 }  // extern "C"