Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <pthread.h> |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 18 | #include <cutils/log.h> |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 19 | |
| 20 | extern "C" { |
| 21 | #include "liblzf/lzf.h" |
| 22 | } |
| 23 | |
| 24 | #include "gltrace_context.h" |
| 25 | |
| 26 | namespace android { |
| 27 | namespace gltrace { |
| 28 | |
| 29 | using ::android::gl_hooks_t; |
| 30 | |
| 31 | static pthread_key_t sTLSKey = -1; |
| 32 | static pthread_once_t sPthreadOnceKey = PTHREAD_ONCE_INIT; |
| 33 | |
| 34 | void createTLSKey() { |
| 35 | pthread_key_create(&sTLSKey, NULL); |
| 36 | } |
| 37 | |
| 38 | GLTraceContext *getGLTraceContext() { |
| 39 | return (GLTraceContext*) pthread_getspecific(sTLSKey); |
| 40 | } |
| 41 | |
| 42 | void setGLTraceContext(GLTraceContext *c) { |
| 43 | pthread_setspecific(sTLSKey, c); |
| 44 | } |
| 45 | |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 46 | void setupTraceContextThreadSpecific(GLTraceContext *context) { |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 47 | pthread_once(&sPthreadOnceKey, createTLSKey); |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 48 | setGLTraceContext(context); |
| 49 | } |
| 50 | |
| 51 | void releaseContext() { |
| 52 | GLTraceContext *c = getGLTraceContext(); |
| 53 | if (c != NULL) { |
| 54 | delete c; |
| 55 | setGLTraceContext(NULL); |
| 56 | } |
| 57 | } |
| 58 | |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 59 | GLTraceState::GLTraceState(TCPStream *stream) { |
| 60 | mTraceContextIds = 0; |
| 61 | mStream = stream; |
Siva Velusamy | 157fea64 | 2012-01-03 14:39:31 -0800 | [diff] [blame] | 62 | |
| 63 | mCollectFbOnEglSwap = false; |
| 64 | mCollectFbOnGlDraw = false; |
| 65 | mCollectTextureDataOnGlTexImage = false; |
| 66 | pthread_rwlock_init(&mTraceOptionsRwLock, NULL); |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | GLTraceState::~GLTraceState() { |
| 70 | if (mStream) { |
| 71 | mStream->closeStream(); |
| 72 | mStream = NULL; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | TCPStream *GLTraceState::getStream() { |
| 77 | return mStream; |
| 78 | } |
| 79 | |
Siva Velusamy | 157fea64 | 2012-01-03 14:39:31 -0800 | [diff] [blame] | 80 | void GLTraceState::safeSetValue(bool *ptr, bool value, pthread_rwlock_t *lock) { |
| 81 | pthread_rwlock_wrlock(lock); |
| 82 | *ptr = value; |
| 83 | pthread_rwlock_unlock(lock); |
| 84 | } |
| 85 | |
| 86 | bool GLTraceState::safeGetValue(bool *ptr, pthread_rwlock_t *lock) { |
| 87 | pthread_rwlock_rdlock(lock); |
| 88 | bool value = *ptr; |
| 89 | pthread_rwlock_unlock(lock); |
| 90 | return value; |
| 91 | } |
| 92 | |
| 93 | void GLTraceState::setCollectFbOnEglSwap(bool en) { |
| 94 | safeSetValue(&mCollectFbOnEglSwap, en, &mTraceOptionsRwLock); |
| 95 | } |
| 96 | |
| 97 | void GLTraceState::setCollectFbOnGlDraw(bool en) { |
| 98 | safeSetValue(&mCollectFbOnGlDraw, en, &mTraceOptionsRwLock); |
| 99 | } |
| 100 | |
| 101 | void GLTraceState::setCollectTextureDataOnGlTexImage(bool en) { |
| 102 | safeSetValue(&mCollectTextureDataOnGlTexImage, en, &mTraceOptionsRwLock); |
| 103 | } |
| 104 | |
| 105 | bool GLTraceState::shouldCollectFbOnEglSwap() { |
| 106 | return safeGetValue(&mCollectFbOnEglSwap, &mTraceOptionsRwLock); |
| 107 | } |
| 108 | |
| 109 | bool GLTraceState::shouldCollectFbOnGlDraw() { |
| 110 | return safeGetValue(&mCollectFbOnGlDraw, &mTraceOptionsRwLock); |
| 111 | } |
| 112 | |
| 113 | bool GLTraceState::shouldCollectTextureDataOnGlTexImage() { |
| 114 | return safeGetValue(&mCollectTextureDataOnGlTexImage, &mTraceOptionsRwLock); |
| 115 | } |
| 116 | |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 117 | GLTraceContext *GLTraceState::createTraceContext(int version, EGLContext eglContext) { |
| 118 | int id = __sync_fetch_and_add(&mTraceContextIds, 1); |
| 119 | |
| 120 | const size_t DEFAULT_BUFFER_SIZE = 8192; |
| 121 | BufferedOutputStream *stream = new BufferedOutputStream(mStream, DEFAULT_BUFFER_SIZE); |
Siva Velusamy | 157fea64 | 2012-01-03 14:39:31 -0800 | [diff] [blame] | 122 | GLTraceContext *traceContext = new GLTraceContext(id, this, stream); |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 123 | mPerContextState[eglContext] = traceContext; |
| 124 | |
| 125 | return traceContext; |
| 126 | } |
| 127 | |
| 128 | GLTraceContext *GLTraceState::getTraceContext(EGLContext c) { |
| 129 | return mPerContextState[c]; |
| 130 | } |
| 131 | |
Siva Velusamy | 157fea64 | 2012-01-03 14:39:31 -0800 | [diff] [blame] | 132 | GLTraceContext::GLTraceContext(int id, GLTraceState *state, BufferedOutputStream *stream) { |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 133 | mId = id; |
Siva Velusamy | 157fea64 | 2012-01-03 14:39:31 -0800 | [diff] [blame] | 134 | mState = state; |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 135 | |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 136 | fbcontents = fbcompressed = NULL; |
| 137 | fbcontentsSize = 0; |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 138 | mBufferedOutputStream = stream; |
| 139 | } |
| 140 | |
| 141 | int GLTraceContext::getId() { |
| 142 | return mId; |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 143 | } |
| 144 | |
Siva Velusamy | 157fea64 | 2012-01-03 14:39:31 -0800 | [diff] [blame] | 145 | GLTraceState *GLTraceContext::getGlobalTraceState() { |
| 146 | return mState; |
| 147 | } |
| 148 | |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 149 | void GLTraceContext::resizeFBMemory(unsigned minSize) { |
| 150 | if (fbcontentsSize >= minSize) { |
| 151 | return; |
| 152 | } |
| 153 | |
| 154 | if (fbcontents != NULL) { |
| 155 | free(fbcontents); |
| 156 | free(fbcompressed); |
| 157 | } |
| 158 | |
| 159 | fbcontents = malloc(minSize); |
| 160 | fbcompressed = malloc(minSize); |
| 161 | |
| 162 | fbcontentsSize = minSize; |
| 163 | } |
| 164 | |
| 165 | /** obtain a pointer to the compressed framebuffer image */ |
| 166 | void GLTraceContext::getCompressedFB(void **fb, unsigned *fbsize, unsigned *fbwidth, |
Siva Velusamy | 1598ef9 | 2011-12-07 16:00:58 -0800 | [diff] [blame] | 167 | unsigned *fbheight, FBBinding fbToRead) { |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 168 | int viewport[4] = {}; |
| 169 | hooks->gl.glGetIntegerv(GL_VIEWPORT, viewport); |
| 170 | unsigned fbContentsSize = viewport[2] * viewport[3] * 4; |
| 171 | |
| 172 | resizeFBMemory(fbContentsSize); |
| 173 | |
Siva Velusamy | 1598ef9 | 2011-12-07 16:00:58 -0800 | [diff] [blame] | 174 | // switch current framebuffer binding if necessary |
| 175 | GLint currentFb = -1; |
| 176 | bool fbSwitched = false; |
| 177 | if (fbToRead != CURRENTLY_BOUND_FB) { |
| 178 | hooks->gl.glGetIntegerv(GL_FRAMEBUFFER_BINDING, ¤tFb); |
| 179 | |
| 180 | if (currentFb != 0) { |
| 181 | hooks->gl.glBindFramebuffer(GL_FRAMEBUFFER, 0); |
| 182 | fbSwitched = true; |
| 183 | } |
| 184 | } |
| 185 | |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 186 | hooks->gl.glReadPixels(viewport[0], viewport[1], viewport[2], viewport[3], |
| 187 | GL_RGBA, GL_UNSIGNED_BYTE, fbcontents); |
Siva Velusamy | 1598ef9 | 2011-12-07 16:00:58 -0800 | [diff] [blame] | 188 | |
| 189 | // switch back to previously bound buffer if necessary |
| 190 | if (fbSwitched) { |
| 191 | hooks->gl.glBindFramebuffer(GL_FRAMEBUFFER, currentFb); |
| 192 | } |
| 193 | |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 194 | *fbsize = lzf_compress(fbcontents, fbContentsSize, fbcompressed, fbContentsSize); |
| 195 | *fb = fbcompressed; |
| 196 | *fbwidth = viewport[2]; |
| 197 | *fbheight = viewport[3]; |
| 198 | } |
| 199 | |
Siva Velusamy | 1e81e71 | 2011-12-14 12:19:56 -0800 | [diff] [blame] | 200 | void GLTraceContext::traceGLMessage(GLMessage *msg) { |
| 201 | mBufferedOutputStream->send(msg); |
| 202 | |
| 203 | GLMessage_Function func = msg->function(); |
| 204 | if (func == GLMessage::eglSwapBuffers |
| 205 | || func == GLMessage::glDrawArrays |
| 206 | || func == GLMessage::glDrawElements) { |
| 207 | mBufferedOutputStream->flush(); |
| 208 | } |
| 209 | } |
| 210 | |
Siva Velusamy | db97468 | 2011-11-30 15:05:37 -0800 | [diff] [blame] | 211 | }; // namespace gltrace |
| 212 | }; // namespace android |