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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"
#include <GLES/gl.h>
#include <GLES/glext.h>
using namespace android;
using namespace android::renderscript;
ProgramVertex::ProgramVertex(Element *in, Element *out) :
Program(in, out)
{
mTextureMatrixEnable = false;
}
ProgramVertex::~ProgramVertex()
{
}
static void logMatrix(const char *txt, const float *f)
{
LOGE("Matrix %s, %p", txt, f);
LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[0], f[4], f[8], f[12]);
LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[1], f[5], f[9], f[13]);
LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[2], f[6], f[10], f[14]);
LOGE("%6.2f, %6.2f, %6.2f, %6.2f", f[3], f[7], f[11], f[15]);
}
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();
}
//logMatrix("prog", &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
//logMatrix("model", &f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
glMatrixMode(GL_MODELVIEW);
glLoadMatrixf(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
}
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;
}
void ProgramVertexState::init(Context *rsc, int32_t w, int32_t h)
{
ProgramVertex *pv = new ProgramVertex(NULL, NULL);
Allocation *alloc = (Allocation *)
rsi_AllocationCreatePredefSized(rsc, RS_ELEMENT_USER_FLOAT, 48);
mDefaultAlloc.set(alloc);
mDefault.set(pv);
pv->bindAllocation(0, alloc);
Matrix m;
m.loadOrtho(0,w, h,0, -1,1);
alloc->subData(RS_PROGRAM_VERTEX_PROJECTION_OFFSET, 16, &m.m[0]);
m.loadIdentity();
alloc->subData(RS_PROGRAM_VERTEX_MODELVIEW_OFFSET, 16, &m.m[0]);
}
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_ProgramVertexSetTextureMatrixEnable(Context *rsc, bool enable)
{
rsc->mStateVertex.mPV->setTextureMatrixEnable(enable);
}
}
}
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