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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_THUNKS_H_ | |
| 6 #define MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_THUNKS_H_ | |
| 7 | |
| 8 #include <stddef.h> | |
| 9 | |
| 10 #include "mojo/public/c/gles2/gles2.h" | |
| 11 | |
| 12 // Like MojoGLES2ControlThunks, but specifies the frozen GLES2 API. Separated | |
| 13 // out as MojoGLES2ControlThunks may be modified and added to, but this | |
| 14 // interface is frozen. | |
| 15 #pragma pack(push, 8) | |
| 16 struct MojoGLES2ImplThunks { | |
| 17 size_t size; // Should be set to sizeof(MojoGLES2ImplThunks). | |
| 18 | |
| 19 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \ | |
| 20 ReturnType(*Function) PARAMETERS; | |
| 21 #include "mojo/public/c/gles2/gles2_call_visitor_autogen.h" | |
| 22 #undef VISIT_GL_CALL | |
| 23 }; | |
| 24 #pragma pack(pop) | |
| 25 | |
| 26 // Intended to be called from the embedder to get the embedder's implementation | |
| 27 // of GLES2. | |
| 28 inline MojoGLES2ImplThunks MojoMakeGLES2ImplThunks() { | |
| 29 MojoGLES2ImplThunks gles2_impl_thunks = { | |
| 30 sizeof(MojoGLES2ImplThunks), | |
| 31 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) gl##Function, | |
| 32 #include "mojo/public/c/gles2/gles2_call_visitor_autogen.h" | |
| 33 #undef VISIT_GL_CALL | |
| 34 }; | |
| 35 | |
| 36 return gles2_impl_thunks; | |
| 37 } | |
| 38 | |
| 39 // Use this type for the function found by dynamically discovering it in | |
| 40 // a DSO linked with mojo_system. For example: | |
| 41 // MojoSetGLES2ImplThunksFn mojo_set_gles2_impl_thunks_fn = | |
| 42 // reinterpret_cast<MojoSetGLES2ImplThunksFn>( | |
| 43 // app_library.GetFunctionPointer("MojoSetGLES2ImplThunks")); | |
| 44 // The expected size of |gles2_impl_thunks| is returned. | |
| 45 // The contents of |gles2_impl_thunks| are copied. | |
| 46 typedef size_t (*MojoSetGLES2ImplThunksFn)( | |
| 47 const MojoGLES2ImplThunks* gles2_impl_thunks); | |
| 48 | |
| 49 #endif // MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_THUNKS_H_ | |
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