[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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| 6 |
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| 7 |
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[2776] | 8 | namespace CHCDemoEngine
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[2769] | 9 | {
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| 10 |
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[3028] | 11 | class ShaderProgram;
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| 12 | class Texture;
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[3034] | 13 | class Material;
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[3028] | 14 |
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[2769] | 15 | /** The current render state.
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| 16 | */
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| 17 | class RenderState
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| 18 | {
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| 19 | public:
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| 20 |
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| 21 | enum Mode
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| 22 | {
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| 23 | QUERY,
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| 24 | RENDER
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| 25 | };
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| 26 |
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[2955] | 27 | /// the used render type for this render pass
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| 28 | enum RenderPassType
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[2825] | 29 | {
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[3043] | 30 | FORWARD,
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[2825] | 31 | DEPTH_PASS,
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[2955] | 32 | DEFERRED
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[2825] | 33 | };
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| 34 |
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[2769] | 35 | /** Constructor setting render as default state.
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| 36 | */
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| 37 | RenderState();
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| 38 |
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| 39 | ~RenderState() { Reset(); };
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| 40 | /** This must be called each time before and after an occlusion test.
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| 41 | Mode is one of render mode or query mode. Returns true if a state
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| 42 | change was issued.
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| 43 | */
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[3031] | 44 | bool SetMode(Mode mode);
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[2769] | 45 | /** Sets the current render state.
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| 46 | */
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[3042] | 47 | void SetState(Technique *tech);
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[2854] | 48 | /** Returns either query or render mode
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[2769] | 49 | */
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| 50 | inline Mode GetMode() const { return mMode; }
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| 51 | /** Reset the state.
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| 52 | */
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| 53 | void Reset();
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[2773] | 54 | /** Stores the current vbo id.
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| 55 | */
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| 56 | inline void SetCurrentVboId(int id) { mCurrentVboId = id; }
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| 57 | /** Returns the current vbo id.
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| 58 | */
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[2854] | 59 | inline int GetCurrentVboId() const { return mCurrentVboId; }
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[2955] | 60 | /** Sets the type of rendering used (foreward, depth pass, deferred)
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| 61 | */
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| 62 | void SetRenderPassType(RenderPassType t);
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| 63 | /** See Set
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| 64 | */
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| 65 | RenderPassType GetRenderPassType() const;
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[3034] | 66 | /** If alpha to coverage is instead of alpha testing
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| 67 | */
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| 68 | void SetUseAlphaToCoverage(bool useAlphaToCoverage);
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[2955] | 69 | /** If true, the current value of cull face enabled / disable will
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| 70 | not be changed by the render state.
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| 71 | */
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| 72 | void LockCullFaceEnabled(bool lockCull);
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[3034] | 73 |
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[2854] | 74 |
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[2769] | 75 | protected:
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| 76 |
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[3034] | 77 | //////////////////
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| 78 |
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[2769] | 79 | bool mAlphaTestEnabled;
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[2844] | 80 | bool mCullFaceEnabled;
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[2769] | 81 | bool mTexturesEnabled;
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| 82 |
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| 83 | Mode mMode;
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[2773] | 84 |
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| 85 | int mCurrentVboId;
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[2801] | 86 |
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[2955] | 87 | RenderPassType mRenderType;
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[2943] | 88 |
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| 89 | bool mUseAlphaToCoverage;
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[2955] | 90 |
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| 91 | bool mLockCullFaceEnabled;
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[3034] | 92 |
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| 93 | int mCurrentTexId;
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| 94 |
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| 95 | ShaderProgram *mCurrentVertexProgram;
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| 96 | ShaderProgram *mCurrentFragmentProgram;
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[3043] | 97 |
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| 98 | bool mFragmentProgramEnabled;
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| 99 | bool mVertexProgramEnabled;
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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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