gl2ext_ppapi.c revision 5821806d5e7f356e8fa4b058a389a808ea183019
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/lib/gl/gles2/gl2ext_ppapi.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stddef.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef GL_FALSE 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define GL_FALSE 0 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // GL_FALSE 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef GL_TRUE 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define GL_TRUE 1 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // GL_TRUE 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(__GNUC__) && !defined(__APPLE__) && !defined(ANDROID) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define PP_TLS __thread 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(_MSC_VER) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define PP_TLS __declspec(thread) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(alokp): Fix all other platforms. 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define PP_TLS 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(alokp): This will need to be thread-safe if we build gles2 as a 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// shared library. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const struct PPB_OpenGLES2* g_gles2_interface = NULL; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const struct PPB_OpenGLES2InstancedArrays* 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_instanced_arrays_interface = NULL; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const struct PPB_OpenGLES2FramebufferBlit* 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_framebuffer_blit_interface = NULL; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const struct PPB_OpenGLES2FramebufferMultisample* 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_framebuffer_multisample_interface = NULL; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const struct PPB_OpenGLES2ChromiumEnableFeature* 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_chromium_enable_feature_interface = NULL; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const struct PPB_OpenGLES2ChromiumMapSub* 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_chromium_map_sub_interface = NULL; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const struct PPB_OpenGLES2Query* 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_query_interface = NULL; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(alokp): Make sure PP_TLS works on all supported platforms. 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static PP_TLS PP_Resource g_current_context = 0; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GLboolean GL_APIENTRY glInitializePPAPI( 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PPB_GetInterface get_browser_interface) { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_gles2_interface) { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_interface = get_browser_interface(PPB_OPENGLES2_INTERFACE); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_gles2_instanced_arrays_interface) { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_instanced_arrays_interface = 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_browser_interface(PPB_OPENGLES2_INSTANCEDARRAYS_INTERFACE); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_gles2_framebuffer_blit_interface) { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_framebuffer_blit_interface = 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_browser_interface(PPB_OPENGLES2_FRAMEBUFFERBLIT_INTERFACE); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_gles2_framebuffer_multisample_interface) { 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_framebuffer_multisample_interface = 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_browser_interface( 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PPB_OPENGLES2_FRAMEBUFFERMULTISAMPLE_INTERFACE); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_gles2_chromium_enable_feature_interface) { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_chromium_enable_feature_interface = 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_browser_interface( 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PPB_OPENGLES2_CHROMIUMENABLEFEATURE_INTERFACE); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_gles2_chromium_map_sub_interface) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_chromium_map_sub_interface = 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_browser_interface(PPB_OPENGLES2_CHROMIUMMAPSUB_INTERFACE); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_gles2_query_interface) { 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_query_interface = 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_browser_interface(PPB_OPENGLES2_QUERY_INTERFACE); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_interface ? GL_TRUE : GL_FALSE; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GLboolean GL_APIENTRY glTerminatePPAPI() { 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_gles2_interface = NULL; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GL_TRUE; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GL_APIENTRY glSetCurrentContextPPAPI(PP_Resource context) { 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_current_context = context; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PP_Resource GL_APIENTRY glGetCurrentContextPPAPI() { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_current_context; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const struct PPB_OpenGLES2* GL_APIENTRY glGetInterfacePPAPI() { 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_interface; 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const struct PPB_OpenGLES2InstancedArrays* GL_APIENTRY 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glGetInstancedArraysInterfacePPAPI() { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_instanced_arrays_interface; 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const struct PPB_OpenGLES2FramebufferBlit* GL_APIENTRY 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glGetFramebufferBlitInterfacePPAPI() { 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_framebuffer_blit_interface; 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const struct PPB_OpenGLES2FramebufferMultisample* GL_APIENTRY 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glGetFramebufferMultisampleInterfacePPAPI() { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_framebuffer_multisample_interface; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const struct PPB_OpenGLES2ChromiumEnableFeature* GL_APIENTRY 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glGetChromiumEnableFeatureInterfacePPAPI() { 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_chromium_enable_feature_interface; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const struct PPB_OpenGLES2ChromiumMapSub* GL_APIENTRY 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glGetChromiumMapSubInterfacePPAPI() { 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_chromium_map_sub_interface; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const struct PPB_OpenGLES2Query* GL_APIENTRY 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glGetQueryInterfacePPAPI() { 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_gles2_query_interface; 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 125