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/*
* 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"
#include "utils/String8.h"
#include <ui/FramebufferNativeWindow.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
using namespace android;
using namespace android::renderscript;
Context * Context::gCon = NULL;
pthread_key_t Context::gThreadTLSKey = 0;
void Context::initEGL()
{
mNumConfigs = -1;
EGLint s_configAttribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
#if 1
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
#else
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
#endif
EGL_DEPTH_SIZE, 16,
EGL_NONE
};
mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(mDisplay, &mMajorVersion, &mMinorVersion);
eglChooseConfig(mDisplay, s_configAttribs, &mConfig, 1, &mNumConfigs);
if (mWndSurface) {
mSurface = eglCreateWindowSurface(mDisplay, mConfig, mWndSurface,
NULL);
} else {
mSurface = eglCreateWindowSurface(mDisplay, mConfig,
android_createDisplaySurface(),
NULL);
}
mContext = eglCreateContext(mDisplay, mConfig, NULL, NULL);
eglMakeCurrent(mDisplay, mSurface, mSurface, mContext);
eglQuerySurface(mDisplay, mSurface, EGL_WIDTH, &mWidth);
eglQuerySurface(mDisplay, mSurface, EGL_HEIGHT, &mHeight);
}
bool Context::runScript(Script *s, uint32_t launchID)
{
ObjectBaseRef<ProgramFragment> frag(mFragment);
ObjectBaseRef<ProgramVertex> vtx(mVertex);
ObjectBaseRef<ProgramFragmentStore> store(mFragmentStore);
bool ret = s->run(this, launchID);
mFragment.set(frag);
mVertex.set(vtx);
mFragmentStore.set(store);
return ret;
}
bool Context::runRootScript()
{
rsAssert(mRootScript->mEnviroment.mIsRoot);
glColor4f(1,1,1,1);
glEnable(GL_LIGHT0);
glViewport(0, 0, mWidth, mHeight);
glDepthMask(GL_TRUE);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glClearColor(mRootScript->mEnviroment.mClearColor[0],
mRootScript->mEnviroment.mClearColor[1],
mRootScript->mEnviroment.mClearColor[2],
mRootScript->mEnviroment.mClearColor[3]);
glClearDepthf(mRootScript->mEnviroment.mClearDepth);
glClear(GL_COLOR_BUFFER_BIT);
glClear(GL_DEPTH_BUFFER_BIT);
return runScript(mRootScript.get(), 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);
gIO = new ThreadIO();
rsc->initEGL();
ScriptTLSStruct *tlsStruct = new ScriptTLSStruct;
if (!tlsStruct) {
LOGE("Error allocating tls storage");
return NULL;
}
tlsStruct->mContext = rsc;
tlsStruct->mScript = NULL;
int status = pthread_setspecific(rsc->gThreadTLSKey, tlsStruct);
if (status) {
LOGE("pthread_setspecific %i", status);
}
rsc->mStateVertex.init(rsc, rsc->mWidth, rsc->mHeight);
rsc->setVertex(NULL);
rsc->mStateFragment.init(rsc, rsc->mWidth, rsc->mHeight);
rsc->setFragment(NULL);
rsc->mStateFragmentStore.init(rsc, rsc->mWidth, rsc->mHeight);
rsc->setFragmentStore(NULL);
rsc->mRunning = true;
bool mDraw = true;
while (!rsc->mExit) {
mDraw |= gIO->playCoreCommands(rsc, !mDraw);
mDraw &= (rsc->mRootScript.get() != NULL);
if (mDraw) {
mDraw = rsc->runRootScript();
eglSwapBuffers(rsc->mDisplay, rsc->mSurface);
}
}
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)
{
dev->addContext(this);
mDev = dev;
mRunning = false;
mExit = false;
// see comment in header
gCon = this;
int status;
pthread_attr_t threadAttr;
status = pthread_key_create(&gThreadTLSKey, NULL);
if (status) {
LOGE("Failed to init thread tls key.");
return;
}
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);
mWndSurface = sur;
LOGV("RS Launching thread");
status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
if (status) {
LOGE("Failed to start rs context thread.");
}
while(!mRunning) {
sleep(1);
}
pthread_attr_destroy(&threadAttr);
}
Context::~Context()
{
mExit = true;
void *res;
int status = pthread_join(mThreadId, &res);
if (mDev) {
mDev->removeContext(this);
pthread_key_delete(gThreadTLSKey);
}
}
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)
{
if (pfs == NULL) {
mFragmentStore.set(mStateFragmentStore.mDefault);
} else {
mFragmentStore.set(pfs);
}
mFragmentStore->setupGL();
}
void Context::setFragment(ProgramFragment *pf)
{
if (pf == NULL) {
mFragment.set(mStateFragment.mDefault);
} else {
mFragment.set(pf);
}
mFragment->setupGL();
}
void Context::setVertex(ProgramVertex *pv)
{
if (pv == NULL) {
mVertex.set(mStateVertex.mDefault);
} else {
mVertex.set(pv);
}
mVertex->setupGL();
}
void Context::assignName(ObjectBase *obj, const char *name, uint32_t len)
{
rsAssert(!obj->getName());
obj->setName(name, len);
mNames.add(obj);
}
void Context::removeName(ObjectBase *obj)
{
for(size_t ct=0; ct < mNames.size(); ct++) {
if (obj == mNames[ct]) {
mNames.removeAt(ct);
return;
}
}
}
ObjectBase * Context::lookupName(const char *name) const
{
for(size_t ct=0; ct < mNames.size(); ct++) {
if (!strcmp(name, mNames[ct]->getName())) {
return mNames[ct];
}
}
return NULL;
}
void Context::appendNameDefines(String8 *str) const
{
char buf[256];
for (size_t ct=0; ct < mNames.size(); ct++) {
str->append("#define NAMED_");
str->append(mNames[ct]->getName());
str->append(" ");
sprintf(buf, "%i\n", (int)mNames[ct]);
str->append(buf);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
//
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);
}
void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len)
{
ObjectBase *ob = static_cast<ObjectBase *>(obj);
rsc->assignName(ob, name, len);
}
}
}
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;
}