blob: de33d9c5ed0432881044eff3a866b4fe14276276 [file] [log] [blame]
/*
* 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 "rsProgramFragmentStore.h"
#include <GLES/gl.h>
#include <GLES/glext.h>
using namespace android;
using namespace android::renderscript;
ProgramFragmentStore::ProgramFragmentStore(Context *rsc, Element *in, Element *out) :
Program(rsc, in, out)
{
mAllocFile = __FILE__;
mAllocLine = __LINE__;
mDitherEnable = true;
mBlendEnable = false;
mColorRWriteEnable = true;
mColorGWriteEnable = true;
mColorBWriteEnable = true;
mColorAWriteEnable = true;
mBlendSrc = GL_ONE;
mBlendDst = GL_ZERO;
mDepthTestEnable = false;
mDepthWriteEnable = true;
mDepthFunc = GL_LESS;
}
ProgramFragmentStore::~ProgramFragmentStore()
{
}
void ProgramFragmentStore::setupGL(const Context *rsc, ProgramFragmentStoreState *state)
{
if (state->mLast.get() == this) {
return;
}
state->mLast.set(this);
glColorMask(mColorRWriteEnable,
mColorGWriteEnable,
mColorBWriteEnable,
mColorAWriteEnable);
if (mBlendEnable) {
glEnable(GL_BLEND);
glBlendFunc(mBlendSrc, mBlendDst);
} else {
glDisable(GL_BLEND);
}
//LOGE("pfs %i, %i, %x", mDepthWriteEnable, mDepthTestEnable, mDepthFunc);
glDepthMask(mDepthWriteEnable);
if(mDepthTestEnable || mDepthWriteEnable) {
glEnable(GL_DEPTH_TEST);
glDepthFunc(mDepthFunc);
} else {
glDisable(GL_DEPTH_TEST);
}
if (mDitherEnable) {
glEnable(GL_DITHER);
} else {
glDisable(GL_DITHER);
}
}
void ProgramFragmentStore::setDitherEnable(bool enable)
{
mDitherEnable = enable;
}
void ProgramFragmentStore::setDepthFunc(RsDepthFunc func)
{
mDepthTestEnable = true;
switch(func) {
case RS_DEPTH_FUNC_ALWAYS:
mDepthTestEnable = false;
mDepthFunc = GL_ALWAYS;
break;
case RS_DEPTH_FUNC_LESS:
mDepthFunc = GL_LESS;
break;
case RS_DEPTH_FUNC_LEQUAL:
mDepthFunc = GL_LEQUAL;
break;
case RS_DEPTH_FUNC_GREATER:
mDepthFunc = GL_GREATER;
break;
case RS_DEPTH_FUNC_GEQUAL:
mDepthFunc = GL_GEQUAL;
break;
case RS_DEPTH_FUNC_EQUAL:
mDepthFunc = GL_EQUAL;
break;
case RS_DEPTH_FUNC_NOTEQUAL:
mDepthFunc = GL_NOTEQUAL;
break;
}
}
void ProgramFragmentStore::setDepthMask(bool mask)
{
mDepthWriteEnable = mask;
}
void ProgramFragmentStore::setBlendFunc(RsBlendSrcFunc src, RsBlendDstFunc dst)
{
mBlendEnable = true;
if ((src == RS_BLEND_SRC_ONE) &&
(dst == RS_BLEND_DST_ZERO)) {
mBlendEnable = false;
}
switch(src) {
case RS_BLEND_SRC_ZERO:
mBlendSrc = GL_ZERO;
break;
case RS_BLEND_SRC_ONE:
mBlendSrc = GL_ONE;
break;
case RS_BLEND_SRC_DST_COLOR:
mBlendSrc = GL_DST_COLOR;
break;
case RS_BLEND_SRC_ONE_MINUS_DST_COLOR:
mBlendSrc = GL_ONE_MINUS_DST_COLOR;
break;
case RS_BLEND_SRC_SRC_ALPHA:
mBlendSrc = GL_SRC_ALPHA;
break;
case RS_BLEND_SRC_ONE_MINUS_SRC_ALPHA:
mBlendSrc = GL_ONE_MINUS_SRC_ALPHA;
break;
case RS_BLEND_SRC_DST_ALPHA:
mBlendSrc = GL_DST_ALPHA;
break;
case RS_BLEND_SRC_ONE_MINUS_DST_ALPHA:
mBlendSrc = GL_ONE_MINUS_DST_ALPHA;
break;
case RS_BLEND_SRC_SRC_ALPHA_SATURATE:
mBlendSrc = GL_SRC_ALPHA_SATURATE;
break;
}
switch(dst) {
case RS_BLEND_DST_ZERO:
mBlendDst = GL_ZERO;
break;
case RS_BLEND_DST_ONE:
mBlendDst = GL_ONE;
break;
case RS_BLEND_DST_SRC_COLOR:
mBlendDst = GL_SRC_COLOR;
break;
case RS_BLEND_DST_ONE_MINUS_SRC_COLOR:
mBlendDst = GL_ONE_MINUS_SRC_COLOR;
break;
case RS_BLEND_DST_SRC_ALPHA:
mBlendDst = GL_SRC_ALPHA;
break;
case RS_BLEND_DST_ONE_MINUS_SRC_ALPHA:
mBlendDst = GL_ONE_MINUS_SRC_ALPHA;
break;
case RS_BLEND_DST_DST_ALPHA:
mBlendDst = GL_DST_ALPHA;
break;
case RS_BLEND_DST_ONE_MINUS_DST_ALPHA:
mBlendDst = GL_ONE_MINUS_DST_ALPHA;
break;
}
}
void ProgramFragmentStore::setColorMask(bool r, bool g, bool b, bool a)
{
mColorRWriteEnable = r;
mColorGWriteEnable = g;
mColorBWriteEnable = b;
mColorAWriteEnable = a;
}
ProgramFragmentStoreState::ProgramFragmentStoreState()
{
mPFS = NULL;
}
ProgramFragmentStoreState::~ProgramFragmentStoreState()
{
delete mPFS;
}
void ProgramFragmentStoreState::init(Context *rsc, int32_t w, int32_t h)
{
ProgramFragmentStore *pfs = new ProgramFragmentStore(rsc, NULL, NULL);
mDefault.set(pfs);
}
void ProgramFragmentStoreState::deinit(Context *rsc)
{
mDefault.clear();
mLast.clear();
}
namespace android {
namespace renderscript {
void rsi_ProgramFragmentStoreBegin(Context * rsc, RsElement in, RsElement out)
{
delete rsc->mStateFragmentStore.mPFS;
rsc->mStateFragmentStore.mPFS = new ProgramFragmentStore(rsc, (Element *)in, (Element *)out);
}
void rsi_ProgramFragmentStoreDepthFunc(Context *rsc, RsDepthFunc func)
{
rsc->mStateFragmentStore.mPFS->setDepthFunc(func);
}
void rsi_ProgramFragmentStoreDepthMask(Context *rsc, bool mask)
{
rsc->mStateFragmentStore.mPFS->setDepthMask(mask);
}
void rsi_ProgramFragmentStoreColorMask(Context *rsc, bool r, bool g, bool b, bool a)
{
rsc->mStateFragmentStore.mPFS->setColorMask(r, g, b, a);
}
void rsi_ProgramFragmentStoreBlendFunc(Context *rsc, RsBlendSrcFunc src, RsBlendDstFunc dst)
{
rsc->mStateFragmentStore.mPFS->setBlendFunc(src, dst);
}
RsProgramFragmentStore rsi_ProgramFragmentStoreCreate(Context *rsc)
{
ProgramFragmentStore *pfs = rsc->mStateFragmentStore.mPFS;
pfs->incUserRef();
rsc->mStateFragmentStore.mPFS = 0;
return pfs;
}
void rsi_ProgramFragmentStoreDither(Context *rsc, bool enable)
{
rsc->mStateFragmentStore.mPFS->setDitherEnable(enable);
}
}
}