src/mojo/public/platform/native/gles2_impl_chromium_texture_mailbox_thunks.h

   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 #ifndef MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_CHROMIUM_TEXTURE_MAILBOX_THUNKS_H_
   6 #define MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_CHROMIUM_TEXTURE_MAILBOX_THUNKS_H_
   7
   8 #include <stddef.h>
   9
  10 #include "mojo/public/c/gles2/chromium_texture_mailbox.h"
  11
  12 // Specifies the frozen API for the GLES2 CHROMIUM_texture_mailbox extension.
  13 #pragma pack(push, 8)
  14 struct MojoGLES2ImplChromiumTextureMailboxThunks {
  15   size_t size;  // Should be set to sizeof(*this).
  16
  17 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
  18   ReturnType(*Function) PARAMETERS;
  19 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_texture_mailbox_autogen.h"
  20 #undef VISIT_GL_CALL
  21 };
  22 #pragma pack(pop)
  23
  24 // Intended to be called from the embedder to get the embedder's implementation
  25 // of GLES2.
  26 inline MojoGLES2ImplChromiumTextureMailboxThunks
  27 MojoMakeGLES2ImplChromiumTextureMailboxThunks() {
  28   MojoGLES2ImplChromiumTextureMailboxThunks
  29       gles2_impl_chromium_texture_mailbox_thunks = {
  30           sizeof(MojoGLES2ImplChromiumTextureMailboxThunks),
  31 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) gl##Function,
  32 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_texture_mailbox_autogen.h"
  33 #undef VISIT_GL_CALL
  34       };
  35
  36   return gles2_impl_chromium_texture_mailbox_thunks;
  37 }
  38
  39 // Use this type for the function found by dynamically discovering it in
  40 // a DSO linked with mojo_system.
  41 // The contents of |gles2_impl_chromium_texture_mailbox_thunks| are copied.
  42 typedef size_t (*MojoSetGLES2ImplChromiumTextureMailboxThunksFn)(
  43     const MojoGLES2ImplChromiumTextureMailboxThunks* thunks);
  44
  45 #endif  // MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_CHROMIUM_TEXTURE_MAILBOX_THUNKS_H_