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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 "rsProgramVertex.h"
using namespace android;
using namespace android::renderscript;
ProgramVertex::ProgramVertex(Element *in, Element *out) :
Program(in, out)
{
mTextureMatrixEnable = false;
mProjectionEnable = false;
mTransformEnable = false;
}
ProgramVertex::~ProgramVertex()
{
}
void ProgramVertex::setupGL()
{
const float *f = static_cast<const float *>(mConstants[0]->getPtr());
glMatrixMode(GL_TEXTURE);
if (mTextureMatrixEnable) {
glLoadMatrixf(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET]);
} else {
glLoadIdentity();
}
glMatrixMode(GL_PROJECTION);
if (mProjectionEnable) {
//glLoadMatrixf(&f[OFFSET_PROJECTION]);
} else {
}
glMatrixMode(GL_MODELVIEW);
if (mTransformEnable) {
glLoadMatrixf(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
} else {
glLoadIdentity();
}
}
void ProgramVertex::setConstantType(uint32_t slot, const Type *t)
{
mConstantTypes[slot].set(t);
}
void ProgramVertex::bindAllocation(uint32_t slot, Allocation *a)
{
mConstants[slot].set(a);
}
ProgramVertexState::ProgramVertexState()
{
mPV = NULL;
}
ProgramVertexState::~ProgramVertexState()
{
delete mPV;
}
namespace android {
namespace renderscript {
void rsi_ProgramVertexBegin(Context *rsc, RsElement in, RsElement out)
{
delete rsc->mStateVertex.mPV;
rsc->mStateVertex.mPV = new ProgramVertex((Element *)in, (Element *)out);
}
RsProgramVertex rsi_ProgramVertexCreate(Context *rsc)
{
ProgramVertex *pv = rsc->mStateVertex.mPV;
pv->incRef();
rsc->mStateVertex.mPV = 0;
return pv;
}
void rsi_ProgramVertexBindAllocation(Context *rsc, RsProgramVertex vpgm, uint32_t slot, RsAllocation constants)
{
ProgramVertex *pv = static_cast<ProgramVertex *>(vpgm);
pv->bindAllocation(slot, static_cast<Allocation *>(constants));
}
void rsi_ProgramVertexSetType(Context *rsc, uint32_t slot, RsType constants)
{
rsc->mStateVertex.mPV->setConstantType(slot, static_cast<const Type *>(constants));
}
void rsi_ProgramVertexSetCameraMode(Context *rsc, bool ortho)
{
rsc->mStateVertex.mPV->setProjectionEnabled(!ortho);
}
void rsi_ProgramVertexSetTextureMatrixEnable(Context *rsc, bool enable)
{
rsc->mStateVertex.mPV->setTextureMatrixEnable(enable);
}
void rsi_ProgramVertexSetModelMatrixEnable(Context *rsc, bool enable)
{
rsc->mStateVertex.mPV->setTransformEnable(enable);
}
}
}