1 files changed, 313 insertions, 0 deletions
diff --git a/libs/rs/rsContext.cpp b/libs/rs/rsContext.cpp
new file mode 100644
index 0000000..ec4a309
--- /dev/null
+++ b/libs/rs/rsContext.cpp
@@ -0,0 +1,313 @@
+/*
+ * Copyright (C) 2009 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 "rsDevice.h"
+#include "rsContext.h"
+#include "rsThreadIO.h"
+
+
+using namespace android;
+using namespace android::renderscript;
+
+Context * Context::gCon = NULL;
+
+void Context::initEGL()
+{
+    mNumConfigs = -1;
+
+    EGLint s_configAttribs[] = {
+         EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+         EGL_RED_SIZE,       5,
+         EGL_GREEN_SIZE,     6,
+         EGL_BLUE_SIZE,      5,
+         EGL_DEPTH_SIZE,     16,
+         EGL_NONE
+     };
+
+     LOGE("EGL 1");
+     mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+     LOGE("EGL 2  %p", mDisplay);
+     eglInitialize(mDisplay, &mMajorVersion, &mMinorVersion);
+     LOGE("EGL 3  %i  %i", mMajorVersion, mMinorVersion);
+     eglChooseConfig(mDisplay, s_configAttribs, &mConfig, 1, &mNumConfigs);
+     LOGE("EGL 4  %p", mConfig);
+
+     if (mWndSurface) {
+         mSurface = eglCreateWindowSurface(mDisplay, mConfig,
+                 new EGLNativeWindowSurface(mWndSurface),
+                 NULL);
+     } else {
+         mSurface = eglCreateWindowSurface(mDisplay, mConfig,
+                 android_createDisplaySurface(),
+                 NULL);
+     }
+
+     LOGE("EGL 5");
+     mContext = eglCreateContext(mDisplay, mConfig, NULL, NULL);
+     eglMakeCurrent(mDisplay, mSurface, mSurface, mContext);
+     eglQuerySurface(mDisplay, mSurface, EGL_WIDTH, &mWidth);
+     eglQuerySurface(mDisplay, mSurface, EGL_HEIGHT, &mHeight);
+     LOGE("EGL 9");
+
+}
+
+bool Context::runRootScript()
+{
+    rsAssert(mRootScript->mIsRoot);
+
+    glColor4f(1,1,1,1);
+    glEnable(GL_LIGHT0);
+    glViewport(0, 0, 320, 480);
+    float aspectH = 480.f / 320.f;
+
+    if(mRootScript->mIsOrtho) {
+        glMatrixMode(GL_PROJECTION);
+        glLoadIdentity();
+        glOrthof(0, 320,  480, 0,  0, 1);
+        glMatrixMode(GL_MODELVIEW);
+    } else {
+        glMatrixMode(GL_PROJECTION);
+        glLoadIdentity();
+        glFrustumf(-1, 1,  -aspectH, aspectH,  1, 100);
+        glRotatef(-90, 0,0,1);
+        glTranslatef(0,  0,  -3);
+        glMatrixMode(GL_MODELVIEW);
+    }
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+
+    glDepthMask(GL_TRUE);
+    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+
+    glClearColor(mRootScript->mClearColor[0],
+                 mRootScript->mClearColor[1],
+                 mRootScript->mClearColor[2],
+                 mRootScript->mClearColor[3]);
+    glClearDepthf(mRootScript->mClearDepth);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glClear(GL_DEPTH_BUFFER_BIT);
+
+    return mRootScript->run(this, 0);
+}
+
+void Context::setupCheck()
+{
+    if (mFragmentStore.get()) {
+        mFragmentStore->setupGL();
+    }
+    if (mFragment.get()) {
+        mFragment->setupGL();
+    }
+    if (mVertex.get()) {
+        mVertex->setupGL();
+    }
+
+}
+
+
+void * Context::threadProc(void *vrsc)
+{
+     Context *rsc = static_cast<Context *>(vrsc);
+
+     LOGE("TP 1");
+     gIO = new ThreadIO();
+
+     rsc->mServerCommands.init(128);
+     rsc->mServerReturns.init(128);
+
+     rsc->initEGL();
+
+     LOGE("TP 2");
+
+     rsc->mRunning = true;
+     bool mDraw = true;
+     while (!rsc->mExit) {
+         mDraw |= gIO->playCoreCommands(rsc);
+
+         if (!mDraw || !rsc->mRootScript.get()) {
+             usleep(10000);
+             continue;
+         }
+
+         if (rsc->mRootScript.get()) {
+             mDraw = rsc->runRootScript();
+             eglSwapBuffers(rsc->mDisplay, rsc->mSurface);
+         }
+     }
+
+     LOGE("TP 6");
+     glClearColor(0,0,0,0);
+     glClear(GL_COLOR_BUFFER_BIT);
+     eglSwapBuffers(rsc->mDisplay, rsc->mSurface);
+     eglTerminate(rsc->mDisplay);
+     return NULL;
+}
+
+Context::Context(Device *dev, Surface *sur)
+{
+    LOGE("CC 1");
+    dev->addContext(this);
+    mDev = dev;
+    mRunning = false;
+    mExit = false;
+
+    mServerCommands.init(256);
+    mServerReturns.init(256);
+
+    // see comment in header
+    gCon = this;
+
+    LOGE("CC 2");
+    int status;
+    pthread_attr_t threadAttr;
+
+    status = pthread_attr_init(&threadAttr);
+    if (status) {
+        LOGE("Failed to init thread attribute.");
+        return;
+    }
+
+    sched_param sparam;
+    sparam.sched_priority = ANDROID_PRIORITY_DISPLAY;
+    pthread_attr_setschedparam(&threadAttr, &sparam);
+
+    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
+    if (status) {
+        LOGE("Failed to start rs context thread.");
+    }
+
+    LOGE("CC 3");
+    mWndSurface = sur;
+    while(!mRunning) {
+        sleep(1);
+    }
+    LOGE("CC 4");
+
+    pthread_attr_destroy(&threadAttr);
+}
+
+Context::~Context()
+{
+    mExit = true;
+    void *res;
+
+    LOGE("DES 1");
+    int status = pthread_join(mThreadId, &res);
+    LOGE("DES 2");
+
+    if (mDev) {
+        mDev->removeContext(this);
+    }
+    LOGE("DES 3");
+}
+
+void Context::swapBuffers()
+{
+    eglSwapBuffers(mDisplay, mSurface);
+}
+
+void rsContextSwap(RsContext vrsc)
+{
+    Context *rsc = static_cast<Context *>(vrsc);
+    rsc->swapBuffers();
+}
+
+void Context::setRootScript(Script *s)
+{
+    mRootScript.set(s);
+}
+
+void Context::setFragmentStore(ProgramFragmentStore *pfs)
+{
+    mFragmentStore.set(pfs);
+    pfs->setupGL();
+}
+
+void Context::setFragment(ProgramFragment *pf)
+{
+    mFragment.set(pf);
+    pf->setupGL();
+}
+
+void Context::setVertex(ProgramVertex *pv)
+{
+    mVertex.set(pv);
+    pv->setupGL();
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////
+//
+
+namespace android {
+namespace renderscript {
+
+
+void rsi_ContextBindRootScript(Context *rsc, RsScript vs)
+{
+    Script *s = static_cast<Script *>(vs);
+    rsc->setRootScript(s);
+}
+
+void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs)
+{
+    Sampler *s = static_cast<Sampler *>(vs);
+
+    if (slot > RS_MAX_SAMPLER_SLOT) {
+        LOGE("Invalid sampler slot");
+        return;
+    }
+
+    s->bindToContext(&rsc->mStateSampler, slot);
+}
+
+void rsi_ContextBindProgramFragmentStore(Context *rsc, RsProgramFragmentStore vpfs)
+{
+    ProgramFragmentStore *pfs = static_cast<ProgramFragmentStore *>(vpfs);
+    rsc->setFragmentStore(pfs);
+}
+
+void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf)
+{
+    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
+    rsc->setFragment(pf);
+}
+
+void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv)
+{
+    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
+    rsc->setVertex(pv);
+}
+
+
+
+}
+}
+
+
+RsContext rsContextCreate(RsDevice vdev, void *sur, uint32_t version)
+{
+    Device * dev = static_cast<Device *>(vdev);
+    Context *rsc = new Context(dev, (Surface *)sur);
+    return rsc;
+}
+
+void rsContextDestroy(RsContext vrsc)
+{
+    Context * rsc = static_cast<Context *>(vrsc);
+    delete rsc;
+}
+