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Diffstat (limited to 'opengl/libs/EGL/gpu.cpp')
| -rw-r--r-- | opengl/libs/EGL/gpu.cpp | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/opengl/libs/EGL/gpu.cpp b/opengl/libs/EGL/gpu.cpp deleted file mode 100644 index 3f9fd63..0000000 --- a/opengl/libs/EGL/gpu.cpp +++ /dev/null @@ -1,212 +0,0 @@ -/* - ** Copyright 2007, 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. - */ - -#define LOG_TAG "EGL" - -#include <ctype.h> -#include <string.h> -#include <errno.h> - -#include <sys/ioctl.h> - -#if HAVE_ANDROID_OS -#include <linux/android_pmem.h> -#endif - -#include <cutils/log.h> -#include <cutils/properties.h> - -#include <utils/IMemory.h> -#include <utils/threads.h> -#include <utils/IServiceManager.h> -#include <utils/IPCThreadState.h> -#include <utils/Parcel.h> - -#include <ui/EGLDisplaySurface.h> -#include <ui/ISurfaceComposer.h> - -#include "hooks.h" -#include "egl_impl.h" - -// ---------------------------------------------------------------------------- -namespace android { -// ---------------------------------------------------------------------------- - -/* - * we provide our own allocators for the GPU regions, these - * allocators go through surfaceflinger - */ - -static Mutex gRegionsLock; -static request_gpu_t gRegions; -static sp<ISurfaceComposer> gSurfaceManager; -ISurfaceComposer* GLES_localSurfaceManager = 0; - -extern egl_connection_t gEGLImpl[2]; - -const sp<ISurfaceComposer>& getSurfaceFlinger() -{ - Mutex::Autolock _l(gRegionsLock); - - /* - * There is a little bit of voodoo magic here. We want to access - * surfaceflinger for allocating GPU regions, however, when we are - * running as part of surfaceflinger, we want to bypass the - * service manager because surfaceflinger might not be registered yet. - * SurfaceFlinger will populate "GLES_localSurfaceManager" with its - * own address, so we can just use that. - */ - if (gSurfaceManager == 0) { - if (GLES_localSurfaceManager) { - // we're running in SurfaceFlinger's context - gSurfaceManager = GLES_localSurfaceManager; - } else { - // we're a remote process or not part of surfaceflinger, - // go through the service manager - sp<IServiceManager> sm = defaultServiceManager(); - if (sm != NULL) { - sp<IBinder> binder = sm->getService(String16("SurfaceFlinger")); - gSurfaceManager = interface_cast<ISurfaceComposer>(binder); - } - } - } - return gSurfaceManager; -} - -class GPURevokeRequester : public BnGPUCallback -{ -public: - virtual void gpuLost() { - LOGD("CONTEXT_LOST: Releasing GPU upon request from SurfaceFlinger."); - gEGLImpl[IMPL_HARDWARE].hooks = &gHooks[IMPL_CONTEXT_LOST]; - } -}; - -static sp<GPURevokeRequester> gRevokerCallback; - - -request_gpu_t* gpu_acquire(void* user) -{ - sp<ISurfaceComposer> server( getSurfaceFlinger() ); - - Mutex::Autolock _l(gRegionsLock); - if (server == NULL) { - return 0; - } - - ISurfaceComposer::gpu_info_t info; - - if (gRevokerCallback == 0) - gRevokerCallback = new GPURevokeRequester(); - - status_t err = server->requestGPU(gRevokerCallback, &info); - if (err != NO_ERROR) { - LOGD("requestGPU returned %d", err); - return 0; - } - - bool failed = false; - request_gpu_t* gpu = &gRegions; - memset(gpu, 0, sizeof(*gpu)); - - if (info.regs != 0) { - sp<IMemoryHeap> heap(info.regs->getMemory()); - if (heap != 0) { - int fd = heap->heapID(); - gpu->regs.fd = fd; - gpu->regs.base = info.regs->pointer(); - gpu->regs.size = info.regs->size(); - gpu->regs.user = info.regs.get(); -#if HAVE_ANDROID_OS - struct pmem_region region; - if (ioctl(fd, PMEM_GET_PHYS, ®ion) >= 0) - gpu->regs.phys = (void*)region.offset; -#endif - info.regs->incStrong(gpu); - } else { - LOGE("GPU register handle %p is invalid!", info.regs.get()); - failed = true; - } - } - - for (size_t i=0 ; i<info.count && !failed ; i++) { - sp<IMemory>& region(info.regions[i].region); - if (region != 0) { - sp<IMemoryHeap> heap(region->getMemory()); - if (heap != 0) { - const int fd = heap->heapID(); - gpu->gpu[i].fd = fd; - gpu->gpu[i].base = region->pointer(); - gpu->gpu[i].size = region->size(); - gpu->gpu[i].user = region.get(); - gpu->gpu[i].offset = info.regions[i].reserved; -#if HAVE_ANDROID_OS - struct pmem_region reg; - if (ioctl(fd, PMEM_GET_PHYS, ®) >= 0) - gpu->gpu[i].phys = (void*)reg.offset; -#endif - region->incStrong(gpu); - } else { - LOGE("GPU region handle [%d, %p] is invalid!", i, region.get()); - failed = true; - } - } - } - - if (failed) { - // something went wrong, clean up everything! - if (gpu->regs.user) { - static_cast<IMemory*>(gpu->regs.user)->decStrong(gpu); - for (size_t i=0 ; i<info.count ; i++) { - if (gpu->gpu[i].user) { - static_cast<IMemory*>(gpu->gpu[i].user)->decStrong(gpu); - } - } - } - } - - gpu->count = info.count; - return gpu; -} - -int gpu_release(void*, request_gpu_t* gpu) -{ - sp<IMemory> regs; - - { // scope for lock - Mutex::Autolock _l(gRegionsLock); - regs = static_cast<IMemory*>(gpu->regs.user); - gpu->regs.user = 0; - if (regs != 0) regs->decStrong(gpu); - - for (int i=0 ; i<gpu->count ; i++) { - sp<IMemory> r(static_cast<IMemory*>(gpu->gpu[i].user)); - gpu->gpu[i].user = 0; - if (r != 0) r->decStrong(gpu); - } - } - - // there is a special transaction to relinquish the GPU - // (it will happen automatically anyway if we don't do this) - Parcel data, reply; - // NOTE: this transaction does not require an interface token - regs->asBinder()->transact(1000, data, &reply); - return 1; -} - -// ---------------------------------------------------------------------------- -}; // namespace android -// ---------------------------------------------------------------------------- |