aca51c06f3
This change adds a stub cache implementation that gets passed to the underlying EGL implementation at initialization time. Change-Id: I14437c5b6f91b7a34a19bb02ad802e6e54f88d2a
96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
/*
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** Copyright 2011, 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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#include "egl_cache.h"
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#include "egl_display.h"
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#include "egl_impl.h"
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#include "egldefs.h"
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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#define BC_EXT_STR "EGL_ANDROID_blob_cache"
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//
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// EGL_ANDROID_blob_cache types and functions
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//
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typedef khronos_ssize_t EGLsizei;
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typedef void (*EGLSetBlobFunc) (const void* key, EGLsizei keySize,
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const void* value, EGLsizei valueSize);
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typedef EGLsizei (*EGLGetBlobFunc) (const void* key, EGLsizei keySize,
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void* value, EGLsizei valueSize);
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typedef void (EGLAPIENTRYP PFNEGLSETBLOBCACHEFUNCSPROC) (EGLDisplay dpy,
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EGLSetBlobFunc set, EGLGetBlobFunc get);
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//
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// egl_cache_t definition
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//
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static void setBlob(const void* key, EGLsizei keySize, const void* value,
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EGLsizei valueSize) {
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}
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static EGLsizei getBlob(const void* key, EGLsizei keySize, void* value,
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EGLsizei valueSize) {
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return 0;
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}
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egl_cache_t* egl_cache_t::get() {
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static egl_cache_t theCache;
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return &theCache;
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}
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void egl_cache_t::initialize(egl_display_t *display) {
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for (int i = 0; i < IMPL_NUM_IMPLEMENTATIONS; i++) {
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egl_connection_t* const cnx = &gEGLImpl[i];
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if (cnx->dso && cnx->major >= 0 && cnx->minor >= 0) {
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const char* exts = display->disp[i].queryString.extensions;
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size_t bcExtLen = strlen(BC_EXT_STR);
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size_t extsLen = strlen(exts);
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bool equal = !strcmp(BC_EXT_STR, exts);
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bool atStart = !strncmp(BC_EXT_STR " ", exts, bcExtLen+1);
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bool atEnd = (bcExtLen+1) < extsLen &&
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!strcmp(" " BC_EXT_STR, exts + extsLen - (bcExtLen+1));
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bool inMiddle = strstr(" " BC_EXT_STR " ", exts);
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if (equal || atStart || atEnd || inMiddle) {
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PFNEGLSETBLOBCACHEFUNCSPROC eglSetBlobCacheFuncs;
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eglSetBlobCacheFuncs =
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reinterpret_cast<PFNEGLSETBLOBCACHEFUNCSPROC>(
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cnx->egl.eglGetProcAddress("eglSetBlobCacheFuncs"));
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if (eglSetBlobCacheFuncs == NULL) {
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LOGE("EGL_ANDROID_blob_cache advertised by display %d, "
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"but unable to get eglSetBlobCacheFuncs", i);
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continue;
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}
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eglSetBlobCacheFuncs(display->disp[i].dpy, setBlob, getBlob);
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EGLint err = cnx->egl.eglGetError();
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if (err != EGL_SUCCESS) {
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LOGE("eglSetBlobCacheFuncs resulted in an error: %#x",
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err);
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}
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}
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}
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}
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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// ----------------------------------------------------------------------------
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