211 lines
5.8 KiB
C++
211 lines
5.8 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 <arpa/inet.h>
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#include <stdlib.h>
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#include <cutils/log.h>
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#include <cutils/properties.h>
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#include "hooks.h"
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#include "glestrace.h"
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#include "gltrace_context.h"
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#include "gltrace_egl.h"
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#include "gltrace_hooks.h"
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#include "gltrace_transport.h"
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namespace android {
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using gltrace::GLTraceState;
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using gltrace::GLTraceContext;
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using gltrace::TCPStream;
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static pthread_mutex_t sGlTraceStateLock = PTHREAD_MUTEX_INITIALIZER;
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static int sGlTraceInProgress;
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static GLTraceState *sGLTraceState;
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static pthread_t sReceiveThreadId;
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/**
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* Task that monitors the control stream from the host and updates
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* the trace status according to commands received from the host.
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*/
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static void *commandReceiveTask(void *arg) {
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GLTraceState *state = (GLTraceState *)arg;
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TCPStream *stream = state->getStream();
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// The control stream always receives an integer size of the
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// command buffer, followed by the actual command buffer.
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uint32_t cmdSize;
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// Command Buffer
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void *cmdBuf = NULL;
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uint32_t cmdBufSize = 0;
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enum TraceSettingsMasks {
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READ_FB_ON_EGLSWAP_MASK = 1 << 0,
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READ_FB_ON_GLDRAW_MASK = 1 << 1,
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READ_TEXTURE_DATA_ON_GLTEXIMAGE_MASK = 1 << 2,
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};
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while (true) {
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// read command size
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if (stream->receive(&cmdSize, sizeof(uint32_t)) < 0) {
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break;
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}
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cmdSize = ntohl(cmdSize);
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// ensure command buffer is of required size
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if (cmdBufSize < cmdSize) {
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free(cmdBuf);
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cmdBufSize = cmdSize;
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cmdBuf = malloc(cmdSize);
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if (cmdBuf == NULL)
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break;
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}
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// receive the command
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if (stream->receive(cmdBuf, cmdSize) < 0) {
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break;
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}
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if (cmdSize != sizeof(uint32_t)) {
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// Currently, we only support commands that are a single integer,
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// so we skip all other commands
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continue;
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}
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uint32_t cmd = ntohl(*(uint32_t*)cmdBuf);
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bool collectFbOnEglSwap = (cmd & READ_FB_ON_EGLSWAP_MASK) != 0;
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bool collectFbOnGlDraw = (cmd & READ_FB_ON_GLDRAW_MASK) != 0;
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bool collectTextureData = (cmd & READ_TEXTURE_DATA_ON_GLTEXIMAGE_MASK) != 0;
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state->setCollectFbOnEglSwap(collectFbOnEglSwap);
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state->setCollectFbOnGlDraw(collectFbOnGlDraw);
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state->setCollectTextureDataOnGlTexImage(collectTextureData);
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ALOGD("trace options: eglswap: %d, gldraw: %d, texImage: %d",
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collectFbOnEglSwap, collectFbOnGlDraw, collectTextureData);
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}
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ALOGE("Stopping OpenGL Trace Command Receiver\n");
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free(cmdBuf);
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return NULL;
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}
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/**
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* Starts Trace Server and waits for connection from the host.
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* Returns -1 in case of connection error, 0 otherwise.
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*/
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int GLTrace_start() {
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int status = 0;
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int clientSocket = -1;
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TCPStream *stream = NULL;
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pthread_mutex_lock(&sGlTraceStateLock);
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if (sGlTraceInProgress) {
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goto done;
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}
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char udsName[PROPERTY_VALUE_MAX];
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property_get("debug.egl.debug_portname", udsName, "gltrace");
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clientSocket = gltrace::acceptClientConnection(udsName);
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if (clientSocket < 0) {
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ALOGE("Error creating GLTrace server socket. Tracing disabled.");
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status = -1;
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goto done;
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}
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sGlTraceInProgress = 1;
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// create communication channel to the host
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stream = new TCPStream(clientSocket);
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// initialize tracing state
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sGLTraceState = new GLTraceState(stream);
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pthread_create(&sReceiveThreadId, NULL, commandReceiveTask, sGLTraceState);
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done:
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pthread_mutex_unlock(&sGlTraceStateLock);
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return status;
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}
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void GLTrace_stop() {
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pthread_mutex_lock(&sGlTraceStateLock);
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if (sGlTraceInProgress) {
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sGlTraceInProgress = 0;
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delete sGLTraceState;
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sGLTraceState = NULL;
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}
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pthread_mutex_unlock(&sGlTraceStateLock);
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}
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void GLTrace_eglCreateContext(int version, EGLContext c) {
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pthread_mutex_lock(&sGlTraceStateLock);
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GLTraceState *state = sGLTraceState;
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pthread_mutex_unlock(&sGlTraceStateLock);
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if (state == NULL) return;
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// update trace state for new EGL context
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GLTraceContext *traceContext = state->createTraceContext(version, c);
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gltrace::setupTraceContextThreadSpecific(traceContext);
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// trace command through to the host
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gltrace::GLTrace_eglCreateContext(version, traceContext->getId());
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}
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void GLTrace_eglMakeCurrent(const unsigned version, gl_hooks_t *hooks, EGLContext c) {
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pthread_mutex_lock(&sGlTraceStateLock);
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GLTraceState *state = sGLTraceState;
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pthread_mutex_unlock(&sGlTraceStateLock);
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if (state == NULL) return;
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// setup per context state
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GLTraceContext *traceContext = state->getTraceContext(c);
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if (traceContext == NULL) {
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GLTrace_eglCreateContext(version, c);
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traceContext = state->getTraceContext(c);
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}
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traceContext->hooks = hooks;
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gltrace::setupTraceContextThreadSpecific(traceContext);
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// trace command through to the host
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gltrace::GLTrace_eglMakeCurrent(traceContext->getId());
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}
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void GLTrace_eglReleaseThread() {
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gltrace::releaseContext();
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}
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void GLTrace_eglSwapBuffers(void *dpy, void *draw) {
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gltrace::GLTrace_eglSwapBuffers(dpy, draw);
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}
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gl_hooks_t *GLTrace_getGLHooks() {
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return gltrace::getGLHooks();
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}
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}
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