rsProgramVertex.cpp revision 326e0ddf89e8df2837752fbfd7a014814b32082c 
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#include "rsContext.h"
18#include "rsProgramVertex.h"
19
20using namespace android;
21using namespace android::renderscript;
22
23
24ProgramVertex::ProgramVertex(Element *in, Element *out) :
25    Program(in, out)
26{
27    mTextureMatrixEnable = false;
28    mProjectionEnable = false;
29    mTransformEnable = false;
30}
31
32ProgramVertex::~ProgramVertex()
33{
34}
35
36void ProgramVertex::setupGL()
37{
38    const float *f = static_cast<const float *>(mConstants[0]->getPtr());
39
40    glMatrixMode(GL_TEXTURE);
41    if (mTextureMatrixEnable) {
42        glLoadMatrixf(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET]);
43    } else {
44        glLoadIdentity();
45    }
46
47
48    glMatrixMode(GL_PROJECTION);
49    if (mProjectionEnable) {
50        //glLoadMatrixf(&f[OFFSET_PROJECTION]);
51    } else {
52    }
53
54    glMatrixMode(GL_MODELVIEW);
55    if (mTransformEnable) {
56        glLoadMatrixf(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
57    } else {
58        glLoadIdentity();
59    }
60
61}
62
63void ProgramVertex::setConstantType(uint32_t slot, const Type *t)
64{
65    mConstantTypes[slot].set(t);
66}
67
68void ProgramVertex::bindAllocation(uint32_t slot, Allocation *a)
69{
70    mConstants[slot].set(a);
71}
72
73
74ProgramVertexState::ProgramVertexState()
75{
76    mPV = NULL;
77}
78
79ProgramVertexState::~ProgramVertexState()
80{
81    delete mPV;
82}
83
84
85
86namespace android {
87namespace renderscript {
88
89void rsi_ProgramVertexBegin(Context *rsc, RsElement in, RsElement out)
90{
91    delete rsc->mStateVertex.mPV;
92    rsc->mStateVertex.mPV = new ProgramVertex((Element *)in, (Element *)out);
93}
94
95RsProgramVertex rsi_ProgramVertexCreate(Context *rsc)
96{
97    ProgramVertex *pv = rsc->mStateVertex.mPV;
98    pv->incRef();
99    rsc->mStateVertex.mPV = 0;
100
101    return pv;
102}
103
104void rsi_ProgramVertexBindAllocation(Context *rsc, RsProgramVertex vpgm, uint32_t slot, RsAllocation constants)
105{
106    ProgramVertex *pv = static_cast<ProgramVertex *>(vpgm);
107    pv->bindAllocation(slot, static_cast<Allocation *>(constants));
108}
109
110void rsi_ProgramVertexSetType(Context *rsc, uint32_t slot, RsType constants)
111{
112    rsc->mStateVertex.mPV->setConstantType(slot, static_cast<const Type *>(constants));
113}
114
115void rsi_ProgramVertexSetCameraMode(Context *rsc, bool ortho)
116{
117    rsc->mStateVertex.mPV->setProjectionEnabled(!ortho);
118}
119
120void rsi_ProgramVertexSetTextureMatrixEnable(Context *rsc, bool enable)
121{
122    rsc->mStateVertex.mPV->setTextureMatrixEnable(enable);
123}
124
125void rsi_ProgramVertexSetModelMatrixEnable(Context *rsc, bool enable)
126{
127    rsc->mStateVertex.mPV->setTransformEnable(enable);
128}
129
130
131
132}
133}
134