[2769] | 1 | #ifndef __RENDERSTATE_H
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| 2 | #define __RENDERSTATE_H
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| 3 |
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| 4 |
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| 5 | #include "common.h"
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[2818] | 6 | #include "glInterface.h"
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| 7 | #include <Cg/cg.h>
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| 8 | #include <Cg/cgGL.h>
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[2769] | 9 |
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| 10 |
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[2776] | 11 | namespace CHCDemoEngine
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[2769] | 12 | {
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| 13 |
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| 14 | /** The current render state.
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| 15 | */
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| 16 | class RenderState
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| 17 | {
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| 18 | public:
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| 19 |
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| 20 | enum Mode
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| 21 | {
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| 22 | QUERY,
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| 23 | RENDER
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| 24 | };
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| 25 |
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[2955] | 26 | /// the used render type for this render pass
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| 27 | enum RenderPassType
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[2825] | 28 | {
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| 29 | FIXED,
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| 30 | DEPTH_PASS,
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[2955] | 31 | DEFERRED
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[2825] | 32 | };
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| 33 |
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[2769] | 34 | /** Constructor setting render as default state.
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| 35 | */
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| 36 | RenderState();
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| 37 |
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| 38 | ~RenderState() { Reset(); };
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| 39 | /** This must be called each time before and after an occlusion test.
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| 40 | Mode is one of render mode or query mode. Returns true if a state
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| 41 | change was issued.
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| 42 | */
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| 43 | bool SetState(Mode mode);
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| 44 | /** Sets the current render state.
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| 45 | */
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[2844] | 46 | void SetState(bool texturing, bool alphaTest, bool cullFace);
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[2854] | 47 | /** Returns either query or render mode
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[2769] | 48 | */
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| 49 | inline Mode GetMode() const { return mMode; }
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| 50 | /** Reset the state.
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| 51 | */
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| 52 | void Reset();
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[2773] | 53 | /** Stores the current vbo id.
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| 54 | */
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| 55 | inline void SetCurrentVboId(int id) { mCurrentVboId = id; }
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| 56 | /** Returns the current vbo id.
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| 57 | */
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[2854] | 58 | inline int GetCurrentVboId() const { return mCurrentVboId; }
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[2943] | 59 | /** If alpha to coverage is instead of alpha testing
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| 60 | */
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| 61 | void SetUseAlphaToCoverage(bool useAlphaToCoverage);
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[2955] | 62 | /** Sets the type of rendering used (foreward, depth pass, deferred)
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| 63 | */
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| 64 | void SetRenderPassType(RenderPassType t);
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| 65 | /** See Set
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| 66 | */
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| 67 | RenderPassType GetRenderPassType() const;
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| 68 | /** If true, the current value of cull face enabled / disable will
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| 69 | not be changed by the render state.
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| 70 | */
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| 71 | void LockCullFaceEnabled(bool lockCull);
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[2769] | 72 |
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[2800] | 73 |
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[2825] | 74 | ///////////////////
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[2854] | 75 | //-- for deferred shading, we have to switch shaders on and off
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| 76 |
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[2818] | 77 | static CGprofile sCgFragmentProfile;
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| 78 | static CGprofile sCgVertexProfile;
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| 79 |
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[2819] | 80 | static CGprogram sCgMrtFragmentProgram;
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| 81 | static CGprogram sCgMrtFragmentTexProgram;
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[2818] | 82 |
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[2964] | 83 | static CGparameter sTexParam;
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[2819] | 84 |
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[2769] | 85 | protected:
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| 86 |
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| 87 | bool mAlphaTestEnabled;
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[2844] | 88 | bool mCullFaceEnabled;
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[2769] | 89 | bool mTexturesEnabled;
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| 90 |
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| 91 | Mode mMode;
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[2773] | 92 |
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| 93 | int mCurrentVboId;
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[2801] | 94 |
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[2955] | 95 | RenderPassType mRenderType;
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[2943] | 96 |
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| 97 | bool mUseAlphaToCoverage;
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[2955] | 98 |
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| 99 | bool mLockCullFaceEnabled;
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[2769] | 100 | };
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| 101 |
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| 102 |
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| 103 | }
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| 104 |
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| 105 | #endif // __RENDERSTATE_H |
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