| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ppapi/lib/gl/gles2/gl2ext_ppapi.h" |
| |
| #include <stddef.h> |
| |
| #ifndef GL_FALSE |
| #define GL_FALSE 0 |
| #endif // GL_FALSE |
| |
| #ifndef GL_TRUE |
| #define GL_TRUE 1 |
| #endif // GL_TRUE |
| |
| #if defined(__GNUC__) && !defined(__APPLE__) && !defined(ANDROID) |
| #define PP_TLS __thread |
| #elif defined(_MSC_VER) |
| #define PP_TLS __declspec(thread) |
| #else |
| // TODO(alokp): Fix all other platforms. |
| #define PP_TLS |
| #endif |
| |
| // TODO(alokp): This will need to be thread-safe if we build gles2 as a |
| // shared library. |
| static const struct PPB_OpenGLES2* g_gles2_interface = NULL; |
| static const struct PPB_OpenGLES2InstancedArrays* |
| g_gles2_instanced_arrays_interface = NULL; |
| static const struct PPB_OpenGLES2FramebufferBlit* |
| g_gles2_framebuffer_blit_interface = NULL; |
| static const struct PPB_OpenGLES2FramebufferMultisample* |
| g_gles2_framebuffer_multisample_interface = NULL; |
| static const struct PPB_OpenGLES2ChromiumEnableFeature* |
| g_gles2_chromium_enable_feature_interface = NULL; |
| static const struct PPB_OpenGLES2ChromiumMapSub* |
| g_gles2_chromium_map_sub_interface = NULL; |
| static const struct PPB_OpenGLES2Query* |
| g_gles2_query_interface = NULL; |
| static const struct PPB_OpenGLES2VertexArrayObject* |
| g_gles2_vertex_array_object_interface = NULL; |
| static const struct PPB_OpenGLES2DrawBuffers_Dev* |
| g_gles2_draw_buffers_interface = NULL; |
| |
| // TODO(alokp): Make sure PP_TLS works on all supported platforms. |
| static PP_TLS PP_Resource g_current_context = 0; |
| |
| GLboolean GL_APIENTRY glInitializePPAPI( |
| PPB_GetInterface get_browser_interface) { |
| if (!g_gles2_interface) { |
| g_gles2_interface = get_browser_interface(PPB_OPENGLES2_INTERFACE); |
| } |
| if (!g_gles2_instanced_arrays_interface) { |
| g_gles2_instanced_arrays_interface = |
| get_browser_interface(PPB_OPENGLES2_INSTANCEDARRAYS_INTERFACE); |
| } |
| if (!g_gles2_framebuffer_blit_interface) { |
| g_gles2_framebuffer_blit_interface = |
| get_browser_interface(PPB_OPENGLES2_FRAMEBUFFERBLIT_INTERFACE); |
| } |
| if (!g_gles2_framebuffer_multisample_interface) { |
| g_gles2_framebuffer_multisample_interface = |
| get_browser_interface( |
| PPB_OPENGLES2_FRAMEBUFFERMULTISAMPLE_INTERFACE); |
| } |
| if (!g_gles2_chromium_enable_feature_interface) { |
| g_gles2_chromium_enable_feature_interface = |
| get_browser_interface( |
| PPB_OPENGLES2_CHROMIUMENABLEFEATURE_INTERFACE); |
| } |
| if (!g_gles2_chromium_map_sub_interface) { |
| g_gles2_chromium_map_sub_interface = |
| get_browser_interface(PPB_OPENGLES2_CHROMIUMMAPSUB_INTERFACE); |
| } |
| if (!g_gles2_query_interface) { |
| g_gles2_query_interface = |
| get_browser_interface(PPB_OPENGLES2_QUERY_INTERFACE); |
| } |
| if (!g_gles2_vertex_array_object_interface) { |
| g_gles2_vertex_array_object_interface = |
| get_browser_interface(PPB_OPENGLES2_VERTEXARRAYOBJECT_INTERFACE); |
| } |
| if (!g_gles2_draw_buffers_interface) { |
| g_gles2_draw_buffers_interface = |
| get_browser_interface(PPB_OPENGLES2_DRAWBUFFERS_DEV_INTERFACE); |
| } |
| return g_gles2_interface ? GL_TRUE : GL_FALSE; |
| } |
| |
| GLboolean GL_APIENTRY glTerminatePPAPI(void) { |
| g_gles2_interface = NULL; |
| return GL_TRUE; |
| } |
| |
| void GL_APIENTRY glSetCurrentContextPPAPI(PP_Resource context) { |
| g_current_context = context; |
| } |
| |
| PP_Resource GL_APIENTRY glGetCurrentContextPPAPI(void) { |
| return g_current_context; |
| } |
| |
| const struct PPB_OpenGLES2* GL_APIENTRY glGetInterfacePPAPI(void) { |
| return g_gles2_interface; |
| } |
| |
| const struct PPB_OpenGLES2InstancedArrays* GL_APIENTRY |
| glGetInstancedArraysInterfacePPAPI(void) { |
| return g_gles2_instanced_arrays_interface; |
| } |
| |
| const struct PPB_OpenGLES2FramebufferBlit* GL_APIENTRY |
| glGetFramebufferBlitInterfacePPAPI(void) { |
| return g_gles2_framebuffer_blit_interface; |
| } |
| |
| const struct PPB_OpenGLES2FramebufferMultisample* GL_APIENTRY |
| glGetFramebufferMultisampleInterfacePPAPI(void) { |
| return g_gles2_framebuffer_multisample_interface; |
| } |
| |
| const struct PPB_OpenGLES2ChromiumEnableFeature* GL_APIENTRY |
| glGetChromiumEnableFeatureInterfacePPAPI(void) { |
| return g_gles2_chromium_enable_feature_interface; |
| } |
| |
| const struct PPB_OpenGLES2ChromiumMapSub* GL_APIENTRY |
| glGetChromiumMapSubInterfacePPAPI(void) { |
| return g_gles2_chromium_map_sub_interface; |
| } |
| |
| const struct PPB_OpenGLES2Query* GL_APIENTRY |
| glGetQueryInterfacePPAPI(void) { |
| return g_gles2_query_interface; |
| } |
| |
| const struct PPB_OpenGLES2VertexArrayObject* GL_APIENTRY |
| glGetVertexArrayObjectInterfacePPAPI(void) { |
| return g_gles2_vertex_array_object_interface; |
| } |
| |
| const struct PPB_OpenGLES2DrawBuffers_Dev* GL_APIENTRY |
| glGetDrawBuffersInterfacePPAPI(void) { |
| return g_gles2_draw_buffers_interface; |
| } |