rsProgramVertex.h revision 6445e5210c6d7f8689e94be9026153d017c9545b 
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_PROGRAM_VERTEX_H
18#define ANDROID_RS_PROGRAM_VERTEX_H
19
20#include "rsProgram.h"
21
22// ---------------------------------------------------------------------------
23namespace android {
24namespace renderscript {
25
26class ProgramVertexState;
27
28class ProgramVertex : public Program
29{
30public:
31    const static uint32_t MAX_LIGHTS = 8;
32
33    ProgramVertex(Context *,const char * shaderText, uint32_t shaderLength,
34                  const uint32_t * params, uint32_t paramLength);
35    ProgramVertex(Context *, bool texMat);
36    virtual ~ProgramVertex();
37
38    virtual void setupGL(const Context *rsc, ProgramVertexState *state);
39    virtual void setupGL2(const Context *rsc, ProgramVertexState *state, ShaderCache *sc);
40
41
42    void setTextureMatrixEnable(bool e) {mTextureMatrixEnable = e;}
43    void addLight(const Light *);
44
45    void setProjectionMatrix(const rsc_Matrix *) const;
46    void setModelviewMatrix(const rsc_Matrix *) const;
47    void setTextureMatrix(const rsc_Matrix *) const;
48
49    void transformToScreen(const Context *, float *v4out, const float *v3in) const;
50
51    virtual void createShader();
52    virtual void loadShader(Context *);
53    virtual void init(Context *);
54
55    virtual void serialize(OStream *stream) const;
56    virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_PROGRAM_VERTEX; }
57    static ProgramVertex *createFromStream(Context *rsc, IStream *stream);
58
59protected:
60    uint32_t mLightCount;
61    ObjectBaseRef<const Light> mLights[MAX_LIGHTS];
62
63    // Hacks to create a program for now
64    bool mTextureMatrixEnable;
65
66private:
67    void initAddUserElement(const Element *e, String8 *names, uint32_t *count, const char *prefix);
68};
69
70
71class ProgramVertexState
72{
73public:
74    ProgramVertexState();
75    ~ProgramVertexState();
76
77    void init(Context *rsc);
78    void deinit(Context *rsc);
79    void updateSize(Context *rsc);
80
81    ObjectBaseRef<ProgramVertex> mDefault;
82    ObjectBaseRef<ProgramVertex> mLast;
83    ObjectBaseRef<Allocation> mDefaultAlloc;
84
85    ObjectBaseRef<Type> mAllocType;
86};
87
88
89}
90}
91#endif
92
93
94