1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #pragma once 17 18 #include <stdint.h> 19 #include "OpenGLESDispatch/gldefs.h" 20 #include "OpenGLESDispatch/gles_functions.h" 21 #include "KHR/khrplatform.h" 22 23 #include "OpenGLESDispatch/gles2_extensions_static_translator_namespaced_header.h" 24 #include "OpenGLESDispatch/gles2_only_static_translator_namespaced_header.h" 25 #include "OpenGLESDispatch/gles_common_for_gles2_static_translator_namespaced_header.h" 26 #include "OpenGLESDispatch/gles_extensions_for_gles2_static_translator_namespaced_header.h" 27 #include "OpenGLESDispatch/gles31_only_static_translator_namespaced_header.h" 28 #include "OpenGLESDispatch/gles32_only_static_translator_namespaced_header.h" 29 #include "OpenGLESDispatch/gles3_extensions_static_translator_namespaced_header.h" 30 #include "OpenGLESDispatch/gles3_only_static_translator_namespaced_header.h" 31 32 namespace gfxstream { 33 namespace gl { 34 35 // Define function pointer types. 36 #define GLES2_DISPATCH_DEFINE_TYPE(return_type,func_name,signature,callargs) \ 37 typedef return_type (KHRONOS_APIENTRY * func_name ## _t) signature; 38 39 LIST_GLES2_FUNCTIONS(GLES2_DISPATCH_DEFINE_TYPE,GLES2_DISPATCH_DEFINE_TYPE) 40 41 struct GLESv2Dispatch { 42 #define GLES2_DISPATCH_DECLARE_POINTER(return_type,func_name,signature,callargs) \ 43 func_name ## _t func_name; 44 LIST_GLES2_FUNCTIONS(GLES2_DISPATCH_DECLARE_POINTER, 45 GLES2_DISPATCH_DECLARE_POINTER) 46 47 bool initialized = false; 48 }; 49 50 #undef GLES2_DISPATCH_DECLARE_POINTER 51 #undef GLES2_DISPATCH_DEFINE_TYPE 52 53 bool gles2_dispatch_init(GLESv2Dispatch* dispatch_table); 54 55 // Used to initialize the decoder. 56 void* gles2_dispatch_get_proc_func(const char* name, void* userData); 57 // Used to check for unimplemented. 58 void gles2_unimplemented(); 59 60 // Used to query max GLES version support based on what the dispatch mechanism 61 // has found in the GLESv2 library. 62 // First, a enum for tracking the detected GLES version based on dispatch. 63 // We support 2 minimally. 64 enum GLESDispatchMaxVersion { 65 GLES_DISPATCH_MAX_VERSION_2 = 0, 66 GLES_DISPATCH_MAX_VERSION_3_0 = 1, 67 GLES_DISPATCH_MAX_VERSION_3_1 = 2, 68 GLES_DISPATCH_MAX_VERSION_3_2 = 3, 69 }; 70 71 GLESDispatchMaxVersion gles2_dispatch_get_max_version(); 72 73 } // namespace gl 74 } // namespace gfxstream