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      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_
     46