rsProgramRaster.cpp revision fb6b614bcea88a587a7ea4530be45ff0ffa0210e 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_RS_BUILD_FOR_HOST
18#include "rsContext.h"
19#include <GLES/gl.h>
20#include <GLES/glext.h>
21#else
22#include "rsContextHostStub.h"
23#include <OpenGL/gl.h>
24#include <OpenGl/glext.h>
25#endif //ANDROID_RS_BUILD_FOR_HOST
26
27#include "rsProgramRaster.h"
28
29using namespace android;
30using namespace android::renderscript;
31
32
33ProgramRaster::ProgramRaster(Context *rsc,
34                             bool pointSmooth,
35                             bool lineSmooth,
36                             bool pointSprite) :
37    Program(rsc)
38{
39    mAllocFile = __FILE__;
40    mAllocLine = __LINE__;
41    mPointSmooth = pointSmooth;
42    mLineSmooth = lineSmooth;
43    mPointSprite = pointSprite;
44
45    mPointSize = 1.0f;
46    mLineWidth = 1.0f;
47}
48
49ProgramRaster::~ProgramRaster()
50{
51}
52
53void ProgramRaster::setLineWidth(float s)
54{
55    mLineWidth = s;
56}
57
58void ProgramRaster::setPointSize(float s)
59{
60    mPointSize = s;
61}
62
63void ProgramRaster::setupGL(const Context *rsc, ProgramRasterState *state)
64{
65    if (state->mLast.get() == this) {
66        return;
67    }
68    state->mLast.set(this);
69
70    glPointSize(mPointSize);
71    if (mPointSmooth) {
72        glEnable(GL_POINT_SMOOTH);
73    } else {
74        glDisable(GL_POINT_SMOOTH);
75    }
76
77    glLineWidth(mLineWidth);
78    if (mLineSmooth) {
79        glEnable(GL_LINE_SMOOTH);
80    } else {
81        glDisable(GL_LINE_SMOOTH);
82    }
83
84    if (rsc->checkVersion1_1()) {
85#ifndef ANDROID_RS_BUILD_FOR_HOST
86        if (mPointSprite) {
87            glEnable(GL_POINT_SPRITE_OES);
88        } else {
89            glDisable(GL_POINT_SPRITE_OES);
90        }
91#endif //ANDROID_RS_BUILD_FOR_HOST
92    }
93}
94
95void ProgramRaster::setupGL2(const Context *rsc, ProgramRasterState *state)
96{
97    if (state->mLast.get() == this) {
98        return;
99    }
100    state->mLast.set(this);
101}
102
103void ProgramRaster::serialize(OStream *stream) const
104{
105
106}
107
108ProgramRaster *ProgramRaster::createFromStream(Context *rsc, IStream *stream)
109{
110    return NULL;
111}
112
113ProgramRasterState::ProgramRasterState()
114{
115}
116
117ProgramRasterState::~ProgramRasterState()
118{
119}
120
121void ProgramRasterState::init(Context *rsc)
122{
123    ProgramRaster *pr = new ProgramRaster(rsc, false, false, false);
124    mDefault.set(pr);
125}
126
127void ProgramRasterState::deinit(Context *rsc)
128{
129    mDefault.clear();
130    mLast.clear();
131}
132
133
134namespace android {
135namespace renderscript {
136
137RsProgramRaster rsi_ProgramRasterCreate(Context * rsc, RsElement in, RsElement out,
138                                      bool pointSmooth,
139                                      bool lineSmooth,
140                                      bool pointSprite)
141{
142    ProgramRaster *pr = new ProgramRaster(rsc,
143                                          pointSmooth,
144                                          lineSmooth,
145                                          pointSprite);
146    pr->incUserRef();
147    return pr;
148}
149
150void rsi_ProgramRasterSetPointSize(Context * rsc, RsProgramRaster vpr, float s)
151{
152    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
153    pr->setPointSize(s);
154}
155
156void rsi_ProgramRasterSetLineWidth(Context * rsc, RsProgramRaster vpr, float s)
157{
158    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
159    pr->setLineWidth(s);
160}
161
162
163}
164}
165
166