| /* |
| * 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 "RenderThread.h" |
| #include "RenderControl.h" |
| #include "ThreadInfo.h" |
| #include "ReadBuffer.h" |
| #include "TimeUtils.h" |
| #include "GLDispatch.h" |
| #include "GL2Dispatch.h" |
| #include "EGLDispatch.h" |
| |
| #define STREAM_BUFFER_SIZE 4*1024*1024 |
| |
| RenderThread::RenderThread() : |
| osUtils::Thread(), |
| m_stream(NULL), |
| m_finished(false) |
| { |
| } |
| |
| RenderThread *RenderThread::create(IOStream *p_stream) |
| { |
| RenderThread *rt = new RenderThread(); |
| if (!rt) { |
| return NULL; |
| } |
| |
| rt->m_stream = p_stream; |
| |
| return rt; |
| } |
| |
| int RenderThread::Main() |
| { |
| RenderThreadInfo * tInfo = getRenderThreadInfo(); |
| // |
| // initialize decoders |
| // |
| tInfo->m_glDec.initGL( gl_dispatch_get_proc_func, NULL ); |
| tInfo->m_gl2Dec.initGL( gl2_dispatch_get_proc_func, NULL ); |
| initRenderControlContext( &m_rcDec ); |
| |
| ReadBuffer readBuf(m_stream, STREAM_BUFFER_SIZE); |
| |
| int stats_totalBytes = 0; |
| long long stats_t0 = GetCurrentTimeMS(); |
| |
| // |
| // open dump file if RENDER_DUMP_DIR is defined |
| // |
| const char *dump_dir = getenv("RENDERER_DUMP_DIR"); |
| FILE *dumpFP = NULL; |
| if (dump_dir) { |
| size_t bsize = strlen(dump_dir) + 32; |
| char *fname = new char[bsize]; |
| snprintf(fname,bsize,"%s/stream_%p", dump_dir, this); |
| dumpFP = fopen(fname, "wb"); |
| if (!dumpFP) { |
| fprintf(stderr,"Warning: stream dump failed to open file %s\n",fname); |
| } |
| delete [] fname; |
| } |
| |
| while (1) { |
| |
| int stat = readBuf.getData(); |
| if (stat <= 0) { |
| fprintf(stderr, "client shutdown\n"); |
| break; |
| } |
| |
| // |
| // log received bandwidth statistics |
| // |
| stats_totalBytes += readBuf.validData(); |
| long long dt = GetCurrentTimeMS() - stats_t0; |
| if (dt > 1000) { |
| float dts = (float)dt / 1000.0f; |
| //printf("Used Bandwidth %5.3f MB/s\n", ((float)stats_totalBytes / dts) / (1024.0f*1024.0f)); |
| stats_totalBytes = 0; |
| stats_t0 = GetCurrentTimeMS(); |
| } |
| |
| // |
| // dump stream to file if needed |
| // |
| if (dumpFP) { |
| int skip = readBuf.validData() - stat; |
| fwrite(readBuf.buf()+skip, 1, readBuf.validData()-skip, dumpFP); |
| fflush(dumpFP); |
| } |
| |
| bool progress; |
| do { |
| progress = false; |
| |
| // |
| // try to process some of the command buffer using the GLESv1 decoder |
| // |
| size_t last = tInfo->m_glDec.decode(readBuf.buf(), readBuf.validData(), m_stream); |
| if (last > 0) { |
| progress = true; |
| readBuf.consume(last); |
| } |
| |
| // |
| // try to process some of the command buffer using the GLESv2 decoder |
| // |
| last = tInfo->m_gl2Dec.decode(readBuf.buf(), readBuf.validData(), m_stream); |
| if (last > 0) { |
| progress = true; |
| readBuf.consume(last); |
| } |
| |
| // |
| // try to process some of the command buffer using the |
| // renderControl decoder |
| // |
| last = m_rcDec.decode(readBuf.buf(), readBuf.validData(), m_stream); |
| if (last > 0) { |
| readBuf.consume(last); |
| progress = true; |
| } |
| |
| } while( progress ); |
| |
| } |
| |
| if (dumpFP) { |
| fclose(dumpFP); |
| } |
| |
| // |
| // release the thread from any EGL context |
| // if bound to context. |
| // |
| EGLDisplay eglDpy = s_egl.eglGetCurrentDisplay(); |
| if (eglDpy != EGL_NO_DISPLAY) { |
| s_egl.eglMakeCurrent(eglDpy, |
| EGL_NO_SURFACE, |
| EGL_NO_SURFACE, |
| EGL_NO_CONTEXT); |
| } |
| |
| // |
| // flag that this thread has finished execution |
| m_finished = true; |
| |
| return 0; |
| } |