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author | Jamie Gennis <jgennis@google.com> | 2011-11-03 17:42:43 -0700 |
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committer | Jamie Gennis <jgennis@google.com> | 2011-11-04 15:01:51 -0700 |
commit | 0dc908ce71cb643dfb41598be9f358baec93fc41 (patch) | |
tree | 9e2f9be0e792e766fd31243b5b89f139377822ce /opengl/libs/EGL/egl_cache.cpp | |
parent | 62015f5d0d1104dfc682b3eb3b6c0be4f63b985a (diff) | |
download | frameworks_base-0dc908ce71cb643dfb41598be9f358baec93fc41.zip frameworks_base-0dc908ce71cb643dfb41598be9f358baec93fc41.tar.gz frameworks_base-0dc908ce71cb643dfb41598be9f358baec93fc41.tar.bz2 |
EGL: Add stubs for EGL_ANDROID_blob_cache
This change adds a stub cache implementation that gets passed to the
underlying EGL implementation at initialization time.
Change-Id: I14437c5b6f91b7a34a19bb02ad802e6e54f88d2a
Diffstat (limited to 'opengl/libs/EGL/egl_cache.cpp')
-rw-r--r-- | opengl/libs/EGL/egl_cache.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp new file mode 100644 index 0000000..1e64302 --- /dev/null +++ b/opengl/libs/EGL/egl_cache.cpp @@ -0,0 +1,95 @@ +/* + ** Copyright 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 "egl_cache.h" +#include "egl_display.h" +#include "egl_impl.h" +#include "egldefs.h" + +// ---------------------------------------------------------------------------- +namespace android { +// ---------------------------------------------------------------------------- + +#define BC_EXT_STR "EGL_ANDROID_blob_cache" + +// +// EGL_ANDROID_blob_cache types and functions +// +typedef khronos_ssize_t EGLsizei; + +typedef void (*EGLSetBlobFunc) (const void* key, EGLsizei keySize, + const void* value, EGLsizei valueSize); + +typedef EGLsizei (*EGLGetBlobFunc) (const void* key, EGLsizei keySize, + void* value, EGLsizei valueSize); + +typedef void (EGLAPIENTRYP PFNEGLSETBLOBCACHEFUNCSPROC) (EGLDisplay dpy, + EGLSetBlobFunc set, EGLGetBlobFunc get); + +// +// egl_cache_t definition +// +static void setBlob(const void* key, EGLsizei keySize, const void* value, + EGLsizei valueSize) { +} + +static EGLsizei getBlob(const void* key, EGLsizei keySize, void* value, + EGLsizei valueSize) { + return 0; +} + +egl_cache_t* egl_cache_t::get() { + static egl_cache_t theCache; + return &theCache; +} + +void egl_cache_t::initialize(egl_display_t *display) { + for (int i = 0; i < IMPL_NUM_IMPLEMENTATIONS; i++) { + egl_connection_t* const cnx = &gEGLImpl[i]; + if (cnx->dso && cnx->major >= 0 && cnx->minor >= 0) { + const char* exts = display->disp[i].queryString.extensions; + size_t bcExtLen = strlen(BC_EXT_STR); + size_t extsLen = strlen(exts); + bool equal = !strcmp(BC_EXT_STR, exts); + bool atStart = !strncmp(BC_EXT_STR " ", exts, bcExtLen+1); + bool atEnd = (bcExtLen+1) < extsLen && + !strcmp(" " BC_EXT_STR, exts + extsLen - (bcExtLen+1)); + bool inMiddle = strstr(" " BC_EXT_STR " ", exts); + if (equal || atStart || atEnd || inMiddle) { + PFNEGLSETBLOBCACHEFUNCSPROC eglSetBlobCacheFuncs; + eglSetBlobCacheFuncs = + reinterpret_cast<PFNEGLSETBLOBCACHEFUNCSPROC>( + cnx->egl.eglGetProcAddress("eglSetBlobCacheFuncs")); + if (eglSetBlobCacheFuncs == NULL) { + LOGE("EGL_ANDROID_blob_cache advertised by display %d, " + "but unable to get eglSetBlobCacheFuncs", i); + continue; + } + + eglSetBlobCacheFuncs(display->disp[i].dpy, setBlob, getBlob); + EGLint err = cnx->egl.eglGetError(); + if (err != EGL_SUCCESS) { + LOGE("eglSetBlobCacheFuncs resulted in an error: %#x", + err); + } + } + } + } +} + +// ---------------------------------------------------------------------------- +}; // namespace android +// ---------------------------------------------------------------------------- |