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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 "rsContext.h"
#include "rsScriptC.h"
#include "rsMatrix.h"
#include "acc/acc.h"
#include "utils/String8.h"
#include <GLES/gl.h>
#include <GLES/glext.h>
using namespace android;
using namespace android::renderscript;
#define GET_TLS() Context::ScriptTLSStruct * tls = \
(Context::ScriptTLSStruct *)pthread_getspecific(Context::gThreadTLSKey); \
Context * rsc = tls->mContext; \
ScriptC * sc = (ScriptC *) tls->mScript
ScriptC::ScriptC()
{
mAccScript = NULL;
memset(&mProgram, 0, sizeof(mProgram));
}
ScriptC::~ScriptC()
{
if (mAccScript) {
accDeleteScript(mAccScript);
}
}
bool ScriptC::run(Context *rsc, uint32_t launchIndex)
{
Context::ScriptTLSStruct * tls =
(Context::ScriptTLSStruct *)pthread_getspecific(Context::gThreadTLSKey);
if (mEnviroment.mFragmentStore.get()) {
rsc->setFragmentStore(mEnviroment.mFragmentStore.get());
}
if (mEnviroment.mFragment.get()) {
rsc->setFragment(mEnviroment.mFragment.get());
}
if (mEnviroment.mVertex.get()) {
rsc->setVertex(mEnviroment.mVertex.get());
}
bool ret = false;
tls->mScript = this;
ret = mProgram.mScript(launchIndex) != 0;
tls->mScript = NULL;
return ret;
}
ScriptCState::ScriptCState()
{
clear();
}
ScriptCState::~ScriptCState()
{
if (mAccScript) {
accDeleteScript(mAccScript);
}
}
void ScriptCState::clear()
{
memset(&mProgram, 0, sizeof(mProgram));
mConstantBufferTypes.clear();
memset(&mEnviroment, 0, sizeof(mEnviroment));
mEnviroment.mClearColor[0] = 0;
mEnviroment.mClearColor[1] = 0;
mEnviroment.mClearColor[2] = 0;
mEnviroment.mClearColor[3] = 1;
mEnviroment.mClearDepth = 1;
mEnviroment.mClearStencil = 0;
mEnviroment.mIsRoot = false;
mAccScript = NULL;
}
static ACCvoid* symbolLookup(ACCvoid* pContext, const ACCchar* name)
{
const ScriptCState::SymbolTable_t *sym = ScriptCState::lookupSymbol(name);
if (sym) {
return sym->mPtr;
}
LOGE("ScriptC sym lookup failed for %s", name);
return NULL;
}
void ScriptCState::runCompiler(Context *rsc)
{
mAccScript = accCreateScript();
String8 tmp;
rsc->appendNameDefines(&tmp);
appendDecls(&tmp);
tmp.append("#line 1\n");
const char* scriptSource[] = {tmp.string(), mProgram.mScriptText};
int scriptLength[] = {tmp.length(), mProgram.mScriptTextLength} ;
accScriptSource(mAccScript, sizeof(scriptLength) / sizeof(int), scriptSource, scriptLength);
accRegisterSymbolCallback(mAccScript, symbolLookup, NULL);
accCompileScript(mAccScript);
accGetScriptLabel(mAccScript, "main", (ACCvoid**) &mProgram.mScript);
rsAssert(mProgram.mScript);
if (!mProgram.mScript) {
ACCchar buf[4096];
ACCsizei len;
accGetScriptInfoLog(mAccScript, sizeof(buf), &len, buf);
LOGE(buf);
}
mEnviroment.mFragment.set(rsc->getDefaultProgramFragment());
mEnviroment.mVertex.set(rsc->getDefaultProgramVertex());
mEnviroment.mFragmentStore.set(rsc->getDefaultProgramFragmentStore());
if (mProgram.mScript) {
const static int pragmaMax = 16;
ACCsizei pragmaCount;
ACCchar * str[pragmaMax];
accGetPragmas(mAccScript, &pragmaCount, pragmaMax, &str[0]);
for (int ct=0; ct < pragmaCount; ct+=2) {
if (!strcmp(str[ct], "version")) {
continue;
}
if (!strcmp(str[ct], "stateVertex")) {
if (!strcmp(str[ct+1], "default")) {
continue;
}
if (!strcmp(str[ct+1], "parent")) {
mEnviroment.mVertex.clear();
continue;
}
ProgramVertex * pv = (ProgramVertex *)rsc->lookupName(str[ct+1]);
if (pv != NULL) {
mEnviroment.mVertex.set(pv);
continue;
}
LOGE("Unreconized value %s passed to stateVertex", str[ct+1]);
}
if (!strcmp(str[ct], "stateRaster")) {
LOGE("Unreconized value %s passed to stateRaster", str[ct+1]);
}
if (!strcmp(str[ct], "stateFragment")) {
if (!strcmp(str[ct+1], "default")) {
continue;
}
if (!strcmp(str[ct+1], "parent")) {
mEnviroment.mFragment.clear();
continue;
}
ProgramFragment * pf = (ProgramFragment *)rsc->lookupName(str[ct+1]);
if (pf != NULL) {
mEnviroment.mFragment.set(pf);
continue;
}
LOGE("Unreconized value %s passed to stateFragment", str[ct+1]);
}
if (!strcmp(str[ct], "stateFragmentStore")) {
if (!strcmp(str[ct+1], "default")) {
continue;
}
if (!strcmp(str[ct+1], "parent")) {
mEnviroment.mFragmentStore.clear();
continue;
}
ProgramFragmentStore * pfs =
(ProgramFragmentStore *)rsc->lookupName(str[ct+1]);
if (pfs != NULL) {
mEnviroment.mFragmentStore.set(pfs);
continue;
}
LOGE("Unreconized value %s passed to stateFragmentStore", str[ct+1]);
}
}
} else {
// Deal with an error.
}
}
namespace android {
namespace renderscript {
void rsi_ScriptCBegin(Context * rsc)
{
ScriptCState *ss = &rsc->mScriptC;
ss->clear();
}
void rsi_ScriptCAddType(Context * rsc, RsType vt)
{
ScriptCState *ss = &rsc->mScriptC;
ss->mConstantBufferTypes.add(static_cast<const Type *>(vt));
}
void rsi_ScriptCSetScript(Context * rsc, void *vp)
{
ScriptCState *ss = &rsc->mScriptC;
ss->mProgram.mScript = reinterpret_cast<ScriptC::RunScript_t>(vp);
}
void rsi_ScriptCSetRoot(Context * rsc, bool isRoot)
{
ScriptCState *ss = &rsc->mScriptC;
ss->mEnviroment.mIsRoot = isRoot;
}
void rsi_ScriptCSetText(Context *rsc, const char *text, uint32_t len)
{
ScriptCState *ss = &rsc->mScriptC;
ss->mProgram.mScriptText = text;
ss->mProgram.mScriptTextLength = len;
}
RsScript rsi_ScriptCCreate(Context * rsc)
{
ScriptCState *ss = &rsc->mScriptC;
ss->runCompiler(rsc);
ScriptC *s = new ScriptC();
s->incRef();
s->mAccScript = ss->mAccScript;
ss->mAccScript = NULL;
s->mEnviroment = ss->mEnviroment;
s->mProgram = ss->mProgram;
ss->clear();
return s;
}
}
}