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/*
* Copyright (C) 2011 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 <GLES/gl.h>
#include <GLES2/gl2.h>
#include <GLES/glext.h>
#include <rs_hal.h>
#include <rsContext.h>
#include <rsPath.h>
#include "rsdCore.h"
#include "rsdPath.h"
#include "rsdAllocation.h"
#include "rsdGL.h"
#include "rsdVertexArray.h"
#include "rsdShaderCache.h"
using namespace android;
using namespace android::renderscript;
class DrvPath {
protected:
DrvPath();
public:
virtual ~DrvPath();
virtual void draw(Context *) = 0;
};
class DrvPathStatic : public DrvPath {
public:
typedef struct {
float x1, xc, x2;
float y1, yc, y2;
} segment_t;
segment_t *mSegments;
uint32_t mSegmentCount;
DrvPathStatic(const Allocation *vtx, const Allocation *loops);
virtual ~DrvPathStatic();
virtual void draw(Context *);
};
class DrvPathDynamic : public DrvPath {
public:
DrvPathDynamic();
virtual ~DrvPathDynamic();
};
static void cleanup(const Context *rsc, const Path *m) {
DrvPath *dp = (DrvPath *)m->mHal.drv;
if (dp) {
delete dp;
}
}
bool rsdPathInitStatic(const Context *rsc, const Path *m,
const Allocation *vtx, const Allocation *loops) {
DrvPathStatic *drv = NULL;
cleanup(rsc, m);
DrvPathStatic *dps = new DrvPathStatic(vtx, loops);
//LOGE("init path m %p, %p", m, dps);
m->mHal.drv = dps;
return dps != NULL;
}
bool rsdPathInitDynamic(const Context *rsc, const Path *m) {
return false;
}
void rsdPathDraw(const Context *rsc, const Path *m) {
//LOGE("render m=%p", m);
DrvPath *drv = (DrvPath *)m->mHal.drv;
if(drv) {
//LOGE("render 2 drv=%p", drv);
drv->draw((Context *)rsc);
}
}
void rsdPathDestroy(const Context *rsc, const Path *m) {
cleanup(rsc, m);
m->mHal.drv = NULL;
}
DrvPath::DrvPath() {
}
DrvPath::~DrvPath() {
}
DrvPathStatic::DrvPathStatic(const Allocation *vtx, const Allocation *loops) {
mSegmentCount = vtx->getType()->getDimX() / 3;
mSegments = new segment_t[mSegmentCount];
const float *fin = (const float *)vtx->getPtr();
for (uint32_t ct=0; ct < mSegmentCount; ct++) {
segment_t *s = &mSegments[ct];
s->x1 = fin[0];
s->y1 = fin[1];
s->xc = fin[2];
s->yc = fin[3];
s->x2 = fin[4];
s->y2 = fin[5];
fin += 6;
}
}
DrvPathStatic::~DrvPathStatic() {
}
void DrvPathStatic::draw(Context *rsc) {
const static float color[24] = {
1.f, 0.f, 0.f, 1.f, 0.5f, 0.f, 0.f, 1.f,
1.f, 0.f, 0.f, 1.f, 0.5f, 0.f, 0.f, 1.f,
1.f, 1.f, 1.f, 1.f, 1.f, 1.f, 1.f, 1.f};
float vtx[12];
//LOGE("draw");
if (!rsc->setupCheck()) {
return;
}
RsdHal *dc = (RsdHal *)rsc->mHal.drv;
if (!dc->gl.shaderCache->setup(rsc)) {
return;
}
RsdVertexArray::Attrib attribs[2];
attribs[0].set(GL_FLOAT, 2, 8, false, (uint32_t)vtx, "ATTRIB_position");
attribs[1].set(GL_FLOAT, 4, 16, false, (uint32_t)color, "ATTRIB_color");
RsdVertexArray va(attribs, 2);
va.setup(rsc);
//LOGE("mSegmentCount %i", mSegmentCount);
for (uint32_t ct=0; ct < mSegmentCount; ct++) {
segment_t *s = &mSegments[ct];
vtx[0] = s->x1;
vtx[1] = s->y1;
vtx[2] = s->xc;
vtx[3] = s->yc;
vtx[4] = s->x2;
vtx[5] = s->y2;
vtx[6] = s->xc;
vtx[7] = s->yc;
vtx[8] = s->x1;
vtx[9] = s->y1;
vtx[10] = s->x2;
vtx[11] = s->y2;
RSD_CALL_GL(glDrawArrays, GL_LINES, 0, 6);
}
}
DrvPathDynamic::DrvPathDynamic() {
}
DrvPathDynamic::~DrvPathDynamic() {
}
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