[2769] | 1 | #include "RenderState.h"
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| 2 | #include "glInterface.h"
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| 3 | #include "Geometry.h"
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| 4 | #include "Material.h"
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| 5 |
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| 6 |
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[2776] | 7 | namespace CHCDemoEngine
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[2769] | 8 | {
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| 9 |
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| 10 |
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| 11 | /** Constructor setting render as default state.
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| 12 | */
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| 13 | RenderState::RenderState():
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[2773] | 14 | mAlphaTestEnabled(false),
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| 15 | mTexturesEnabled(false),
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| 16 | mMode(RENDER)
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[2769] | 17 | {
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| 18 | Reset();
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| 19 | }
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| 20 |
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| 21 |
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| 22 | bool RenderState::SetState(Mode mode)
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| 23 | {
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| 24 | //-- just change the modewhen necessary
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| 25 | if (mode == mMode) return false;
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| 26 |
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| 27 | mMode = mode;
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| 28 | //++ state_changes;
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| 29 |
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| 30 | if (mode == QUERY)
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| 31 | {
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| 32 | //glDisableClientState(GL_NORMAL_ARRAY);
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| 33 | glDisable(GL_LIGHTING);
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| 34 | glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
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| 35 | glDepthMask(GL_FALSE);
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| 36 |
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| 37 | SetState(false, false);
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| 38 | }
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| 39 | else // mode returns to render
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| 40 | {
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| 41 | /////////////
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| 42 | //-- restore render state
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| 43 |
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| 44 | glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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| 45 | glDepthMask(GL_TRUE);
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| 46 | glEnable(GL_LIGHTING);
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| 47 | }
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| 48 |
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| 49 | return true;
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| 50 | }
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| 51 |
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| 52 |
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| 53 | void RenderState::SetState(bool texturing, bool alphaTest)
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| 54 | {
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| 55 | if (mTexturesEnabled && !texturing)
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| 56 | {
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| 57 | mTexturesEnabled = false;
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| 58 | glDisable(GL_TEXTURE_2D);
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| 59 | glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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| 60 | }
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| 61 | else if (!mTexturesEnabled && texturing)
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| 62 | {
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| 63 | mTexturesEnabled = true;
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| 64 | glEnable(GL_TEXTURE_2D);
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| 65 | glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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| 66 | }
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| 67 |
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| 68 | if (mAlphaTestEnabled && !alphaTest)
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| 69 | {
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| 70 | mAlphaTestEnabled = false;
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| 71 | glDisable(GL_ALPHA_TEST);
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| 72 | }
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| 73 | else if (!mAlphaTestEnabled && alphaTest)
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| 74 | {
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| 75 | mAlphaTestEnabled = true;
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| 76 | glEnable(GL_ALPHA_TEST);
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| 77 | glAlphaFunc(GL_GEQUAL, 0.5f);
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| 78 | }
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| 79 | }
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| 80 |
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| 81 |
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| 82 | void RenderState::Reset()
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| 83 | {
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[2773] | 84 | mCurrentVboId = -1;
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[2769] | 85 | SetState(false, false);
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| 86 | SetState(RENDER);
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| 87 | }
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| 88 |
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| 89 |
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| 90 | } |
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