92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
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** Copyright 2007, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef ANDROID_GLES_CM_HOOKS_H
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#define ANDROID_GLES_CM_HOOKS_H
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#include <ctype.h>
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#include <string.h>
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#include <errno.h>
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#include <pthread.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#if !defined(__arm__)
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#define USE_SLOW_BINDING 1
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#else
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#define USE_SLOW_BINDING 0
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#endif
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#undef NELEM
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#define NELEM(x) (sizeof(x)/sizeof(*(x)))
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// maximum number of GL extensions that can be used simultaneously in
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// a given process. this limitation exists because we need to have
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// a static function for each extension and currently these static functions
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// are generated at compile time.
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#define MAX_NUMBER_OF_GL_EXTENSIONS 256
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#if defined(HAVE_ANDROID_OS) && !USE_SLOW_BINDING && __OPTIMIZE__
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#define USE_FAST_TLS_KEY 1
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#else
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#define USE_FAST_TLS_KEY 0
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#endif
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#if USE_FAST_TLS_KEY
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# include <bionic_tls.h> /* special private C library header */
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#endif
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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// GL / EGL hooks
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#undef GL_ENTRY
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#undef EGL_ENTRY
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#define GL_ENTRY(_r, _api, ...) _r (*_api)(__VA_ARGS__);
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#define EGL_ENTRY(_r, _api, ...) _r (*_api)(__VA_ARGS__);
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struct egl_t {
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#include "EGL/egl_entries.in"
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};
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struct gl_hooks_t {
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struct gl_t {
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#include "entries.in"
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} gl;
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struct gl_ext_t {
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__eglMustCastToProperFunctionPointerType extensions[MAX_NUMBER_OF_GL_EXTENSIONS];
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} ext;
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};
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#undef GL_ENTRY
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#undef EGL_ENTRY
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EGLAPI void setGlThreadSpecific(gl_hooks_t const *value);
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EGLAPI gl_hooks_t const* getGlThreadSpecific();
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// ----------------------------------------------------------------------------
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}; // namespace android
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// ----------------------------------------------------------------------------
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#endif /* ANDROID_GLES_CM_HOOKS_H */
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