diff options
Diffstat (limited to 'emulator/opengl/system/egl/ClientAPIExts.cpp')
| -rw-r--r-- | emulator/opengl/system/egl/ClientAPIExts.cpp | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/emulator/opengl/system/egl/ClientAPIExts.cpp b/emulator/opengl/system/egl/ClientAPIExts.cpp deleted file mode 100644 index 5e81afe..0000000 --- a/emulator/opengl/system/egl/ClientAPIExts.cpp +++ /dev/null @@ -1,157 +0,0 @@ -/* -* Copyright (C) 2011 The Android Open Source Project -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ -#include "ClientAPIExts.h" -#include "ThreadInfo.h" -#include <GLES/gl.h> -#include <GLES/glext.h> -#include "eglContext.h" - -namespace ClientAPIExts -{ - -// -// define function pointer type for each extention function -// typename has the form __egl_{funcname}_t -// -#define FUNC_TYPE(fname) __egl_ ## fname ## _t -#define API_ENTRY(fname,params,args) \ - typedef void (GL_APIENTRY *FUNC_TYPE(fname)) params; - -#define API_ENTRY_RET(rtype,fname,params,args) \ - typedef rtype (GL_APIENTRY *FUNC_TYPE(fname)) params; - -#include "ClientAPIExts.in" -#undef API_ENTRY -#undef API_ENTRY_RET - -///// -// Define static table to store the function value for each -// client API. functions pointers will get initialized through -// ClientAPIExts::initClientFuncs function after each client API has been -// loaded. -///// -#define API_ENTRY(fname,params,args) \ - FUNC_TYPE(fname) fname; - -#define API_ENTRY_RET(rtype,fname,params,args) \ - API_ENTRY(fname,params,args) - -static struct _ext_table -{ -#include "ClientAPIExts.in" -} s_client_extensions[2]; - -#undef API_ENTRY -#undef API_ENTRY_RET - -// -// This function initialized each entry in the s_client_extensions -// struct at the givven index using the givven client interface -// -void initClientFuncs(const EGLClient_glesInterface *iface, int idx) -{ -#define API_ENTRY(fname,params,args) \ - s_client_extensions[idx].fname = \ - (FUNC_TYPE(fname))iface->getProcAddress(#fname); - -#define API_ENTRY_RET(rtype,fname,params,args) \ - API_ENTRY(fname,params,args) - - // - // reset all func pointers to NULL - // - memset(&s_client_extensions[idx], 0, sizeof(struct _ext_table)); - - // - // And now query the GLES library for each proc address - // -#include "ClientAPIExts.in" -#undef API_ENTRY -#undef API_ENTRY_RET -} - -// -// Define implementation for each extension function which checks -// the current context version and calls to the correct client API -// function. -// -#define API_ENTRY(fname,params,args) \ - static void _egl_ ## fname params \ - { \ - EGLThreadInfo* thread = getEGLThreadInfo(); \ - if (!thread->currentContext) { \ - return; \ - } \ - int idx = (int)thread->currentContext->version - 1; \ - if (!s_client_extensions[idx].fname) { \ - return; \ - } \ - (*s_client_extensions[idx].fname) args; \ - } - -#define API_ENTRY_RET(rtype,fname,params,args) \ - static rtype _egl_ ## fname params \ - { \ - EGLThreadInfo* thread = getEGLThreadInfo(); \ - if (!thread->currentContext) { \ - return (rtype)0; \ - } \ - int idx = (int)thread->currentContext->version - 1; \ - if (!s_client_extensions[idx].fname) { \ - return (rtype)0; \ - } \ - return (*s_client_extensions[idx].fname) args; \ - } - -#include "ClientAPIExts.in" -#undef API_ENTRY -#undef API_ENTRY_RET - -// -// Define a table to map function names to the local _egl_ version of -// the extension function, to be used in eglGetProcAddress. -// -#define API_ENTRY(fname,params,args) \ - { #fname, (void*)_egl_ ## fname}, -#define API_ENTRY_RET(rtype,fname,params,args) \ - API_ENTRY(fname,params,args) - -static const struct _client_ext_funcs { - const char *fname; - void* proc; -} s_client_ext_funcs[] = { -#include "ClientAPIExts.in" -}; -static const int numExtFuncs = sizeof(s_client_ext_funcs) / - sizeof(s_client_ext_funcs[0]); - -#undef API_ENTRY -#undef API_ENTRY_RET - -// -// returns the __egl_ version of the givven extension function name. -// -void* getProcAddress(const char *fname) -{ - for (int i=0; i<numExtFuncs; i++) { - if (!strcmp(fname, s_client_ext_funcs[i].fname)) { - return s_client_ext_funcs[i].proc; - } - } - return NULL; -} - -} // of namespace ClientAPIExts |