source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/RenderState.h @ 2854

Revision 2854, 1.7 KB checked in by mattausch, 16 years ago (diff)
RevLine 
[2769]1#ifndef __RENDERSTATE_H
2#define __RENDERSTATE_H
3
4
5#include "common.h"
[2818]6#include "glInterface.h"
7#include <Cg/cg.h>
8#include <Cg/cgGL.h>
[2769]9
10
[2776]11namespace CHCDemoEngine
[2769]12{
13
14/** The current render state.
15*/
16class RenderState
17{
18public:
19
20        enum Mode
21        {
22                QUERY,
23                RENDER
24        };
25
[2825]26        enum RenderType
27        {
28                FIXED,
29                DEPTH_PASS,
30                DEFERRED
31        };
32
[2769]33        /** Constructor setting render as default state.
34        */
35        RenderState();
36       
37        ~RenderState() { Reset(); };
38
39        /** This must be called each time before and after an occlusion test.
40                Mode is one of render mode or query mode. Returns true if a state
41                change was issued.
42        */
43        bool SetState(Mode mode);
44        /** Sets the current render state.
45        */
[2844]46        void SetState(bool texturing, bool alphaTest, bool cullFace);
[2854]47        /** Returns either query or render mode
[2769]48        */
49        inline Mode GetMode() const { return mMode; }
50        /** Reset the state.
51        */
52        void Reset();
[2773]53        /** Stores the current vbo id.
54        */
55        inline void SetCurrentVboId(int id) { mCurrentVboId = id; }
56        /** Returns the current vbo id.
57        */
[2854]58        inline int GetCurrentVboId() const { return mCurrentVboId; }
[2769]59
[2825]60        void SetRenderType(RenderType type) { mRenderType = type; }
[2854]61        RenderType GetRenderType() const { return mRenderType; }
[2800]62
[2825]63
64        ///////////////////
65
[2854]66
67        ///////////////////
68        //-- for deferred shading, we have to switch shaders on and off
69
[2818]70        static CGprofile sCgFragmentProfile;
71        static CGprofile sCgVertexProfile;
72
[2819]73        static CGprogram sCgMrtFragmentProgram;
74        static CGprogram sCgMrtFragmentTexProgram;
[2818]75
[2819]76
[2769]77protected:
78
79        bool mAlphaTestEnabled;
[2844]80        bool mCullFaceEnabled;
[2769]81        bool mTexturesEnabled;
82
83        Mode mMode;
[2773]84
85        int mCurrentVboId;
[2801]86
[2825]87        RenderType mRenderType;
[2769]88};
89
90
91}
92
93#endif // __RENDERSTATE_H
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