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 void RunSignalSyncCallback(MojoGLES2SignalSyncPointCallback callback,
  21                            void* closure) {
  22   callback(closure);
  23 }
  24
  25 }  // namespace
  26
  27 extern "C" {
  28 MojoGLES2Context MojoGLES2CreateContext(MojoHandle handle,
  29                                         MojoGLES2ContextLost lost_callback,
  30                                         void* closure,
  31                                         const MojoAsyncWaiter* async_waiter) {
  32   mojo::MessagePipeHandle mph(handle);
  33   mojo::ScopedMessagePipeHandle scoped_handle(mph);
  34   scoped_ptr<GLES2Context> client(new GLES2Context(
  35       async_waiter, scoped_handle.Pass(), lost_callback, closure));
  36   if (!client->Initialize())
  37     client.reset();
  38   return client.release();
  39 }
  40
  41 void MojoGLES2DestroyContext(MojoGLES2Context context) {
  42   delete static_cast<GLES2Context*>(context);
  43 }
  44
  45 void MojoGLES2MakeCurrent(MojoGLES2Context context) {
  46   gpu::gles2::GLES2Interface* interface = NULL;
  47   if (context) {
  48     GLES2Context* client = static_cast<GLES2Context*>(context);
  49     interface = client->interface();
  50     DCHECK(interface);
  51   }
  52   g_gpu_interface.Get().Set(interface);
  53 }
  54
  55 void MojoGLES2SwapBuffers() {
  56   DCHECK(g_gpu_interface.Get().Get());
  57   g_gpu_interface.Get().Get()->SwapBuffers();
  58 }
  59
  60 void MojoGLES2SignalSyncPoint(
  61     MojoGLES2Context context,
  62     uint32_t sync_point,
  63     MojoGLES2SignalSyncPointCallback callback,
  64     void* closure) {
  65   DCHECK(context);
  66   static_cast<GLES2Context*>(context)->context_support()->SignalSyncPoint(
  67       sync_point, base::Bind(&RunSignalSyncCallback, callback, closure));
  68 }
  69
  70 void* MojoGLES2GetGLES2Interface(MojoGLES2Context context) {
  71   return static_cast<GLES2Context*>(context)->interface();
  72 }
  73
  74 void* MojoGLES2GetContextSupport(MojoGLES2Context context) {
  75   return static_cast<GLES2Context*>(context)->context_support();
  76 }
  77
  78 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
  79   ReturnType GL_APIENTRY gl##Function PARAMETERS {                 \
  80     DCHECK(g_gpu_interface.Get().Get());                           \
  81     return g_gpu_interface.Get().Get()->Function ARGUMENTS;        \
  82   }
  83 #include "mojo/public/c/gles2/gles2_call_visitor_autogen.h"
  84 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_copy_texture_autogen.h"
  85 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_image_autogen.h"
  86 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_miscellaneous_autogen.h"
  87 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_pixel_transfer_buffer_object_autogen.h"
  88 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h"
  89 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_sync_point_autogen.h"
  90 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_texture_mailbox_autogen.h"
  91 #include "mojo/public/c/gles2/gles2_call_visitor_occlusion_query_ext_autogen.h"
  92 #undef VISIT_GL_CALL
  93
  94 }  // extern "C"