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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 108 | chris | 1 | package com.gebauz.pingK.common.framework.renderstates; |
| 2 | |||
| 3 | import javax.microedition.khronos.opengles.GL10; |
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| 4 | |||
| 5 | import com.gebauz.pingK.common.framework.GLUtil; |
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| 6 | |||
| 7 | |||
| 8 | public class DepthTestStates extends RenderStatesObject |
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| 9 | { |
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| 10 | public enum ComparisonMode |
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| 11 | { |
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| 12 | NEVER, |
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| 13 | ALWAYS, |
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| 14 | LESS, |
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| 15 | LESSEQUAL, |
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| 16 | EQUAL, |
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| 17 | GREATER, |
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| 18 | GREATEREQUAL, |
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| 19 | NONEQUAL |
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| 20 | } |
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| 21 | |||
| 22 | private boolean mEnabled = true; |
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| 23 | private boolean mWriteEnabled = true; |
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| 24 | private ComparisonMode mDepthTestFunction = ComparisonMode.LESSEQUAL; |
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| 25 | |||
| 26 | private boolean mCurrentlyEnabled = true; |
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| 27 | private boolean mCurrentlyWriteEnabled = true; |
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| 28 | private ComparisonMode mCurrentDepthTestFunction = ComparisonMode.LESSEQUAL; |
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| 29 | |||
| 30 | private boolean mDefaultEnabled = true; |
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| 31 | private boolean mDefaultWriteEnabled = true; |
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| 32 | private ComparisonMode mDefaultDepthTestFunction = ComparisonMode.LESSEQUAL; |
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| 33 | |||
| 34 | |||
| 35 | public DepthTestStates(RenderStates renderStates) |
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| 36 | { |
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| 37 | super(renderStates); |
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| 38 | } |
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| 39 | |||
| 40 | |||
| 41 | @Override |
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| 42 | public void activate(boolean force) |
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| 43 | { |
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| 44 | GL10 gl = GLUtil.getGL(); |
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| 45 | |||
| 46 | if ((force) || (mEnabled != mCurrentlyEnabled)) |
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| 47 | { |
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| 48 | mCurrentlyEnabled = mEnabled; |
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| 49 | if (mEnabled) |
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| 50 | gl.glEnable(GL10.GL_DEPTH_TEST); |
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| 51 | else |
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| 52 | gl.glDisable(GL10.GL_DEPTH_TEST); |
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| 53 | } |
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| 54 | |||
| 55 | if ((force) || (mWriteEnabled != mCurrentlyWriteEnabled)) |
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| 56 | { |
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| 57 | mCurrentlyWriteEnabled = mWriteEnabled; |
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| 58 | gl.glDepthMask(mWriteEnabled); |
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| 59 | } |
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| 60 | |||
| 61 | if ((force) || (mDepthTestFunction != mCurrentDepthTestFunction)) |
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| 62 | { |
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| 63 | mCurrentDepthTestFunction = mDepthTestFunction; |
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| 64 | switch (mDepthTestFunction) |
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| 65 | { |
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| 66 | case NEVER: |
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| 67 | gl.glDepthFunc(GL10.GL_NEVER); |
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| 68 | break; |
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| 69 | case ALWAYS: |
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| 70 | gl.glDepthFunc(GL10.GL_ALWAYS); |
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| 71 | break; |
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| 72 | case EQUAL: |
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| 73 | gl.glDepthFunc(GL10.GL_EQUAL); |
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| 74 | break; |
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| 75 | case LESS: |
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| 76 | gl.glDepthFunc(GL10.GL_LESS); |
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| 77 | break; |
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| 78 | case LESSEQUAL: |
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| 79 | gl.glDepthFunc(GL10.GL_LEQUAL); |
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| 80 | break; |
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| 81 | case GREATER: |
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| 82 | gl.glDepthFunc(GL10.GL_GREATER); |
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| 83 | break; |
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| 84 | case GREATEREQUAL: |
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| 85 | gl.glDepthFunc(GL10.GL_GEQUAL); |
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| 86 | break; |
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| 87 | case NONEQUAL: |
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| 88 | gl.glDepthFunc(GL10.GL_NOTEQUAL); |
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| 89 | break; |
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| 90 | } |
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| 91 | } |
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| 92 | } |
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| 93 | |||
| 94 | @Override |
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| 95 | public void reset() |
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| 96 | { |
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| 97 | mEnabled = mDefaultEnabled; |
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| 98 | mWriteEnabled = mDefaultWriteEnabled; |
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| 99 | mDepthTestFunction = mDefaultDepthTestFunction; |
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| 100 | } |
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| 101 | |||
| 102 | public final boolean isEnabled() { return mEnabled; } |
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| 103 | public final boolean isDefaultEnabled() { return mDefaultEnabled; } |
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| 104 | public final boolean isWriteEnabled() { return mWriteEnabled; } |
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| 105 | public final boolean sDefaultWriteEnabled() { return mDefaultWriteEnabled; } |
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| 106 | public final ComparisonMode getDepthTestFunction() { return mDepthTestFunction; } |
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| 107 | public final ComparisonMode getDefaultDepthTestFunction() { return mDefaultDepthTestFunction; } |
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| 108 | |||
| 109 | public final void setEnabled(boolean value) |
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| 110 | { |
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| 111 | if ((mLocked) || (mRenderStates.isLocked())) |
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| 112 | return; |
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| 113 | mEnabled = value; |
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| 114 | } |
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| 115 | |||
| 116 | public final void setDefaultEnabled(boolean value) |
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| 117 | { |
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| 118 | if ((mLocked) || (mRenderStates.isLocked())) |
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| 119 | return; |
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| 120 | mDefaultEnabled = value; |
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| 121 | } |
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| 122 | |||
| 123 | public final void setWriteEnabled(boolean value) |
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| 124 | { |
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| 125 | if ((mLocked) || (mRenderStates.isLocked())) |
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| 126 | return; |
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| 127 | mWriteEnabled = value; |
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| 128 | } |
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| 129 | |||
| 130 | public final void setDefaultWriteEnabled(boolean value) |
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| 131 | { |
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| 132 | if ((mLocked) || (mRenderStates.isLocked())) |
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| 133 | return; |
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| 134 | mDefaultWriteEnabled = value; |
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| 135 | } |
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| 136 | |||
| 137 | public final void setDepthTestFunction(ComparisonMode value) |
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| 138 | { |
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| 139 | if ((mLocked) || (mRenderStates.isLocked())) |
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| 140 | return; |
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| 141 | mDepthTestFunction = value; |
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| 142 | } |
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| 143 | |||
| 144 | public final void setDefaultDepthTestFunction(ComparisonMode value) |
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| 145 | { |
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| 146 | if ((mLocked) || (mRenderStates.isLocked())) |
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| 147 | return; |
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| 148 | mDefaultDepthTestFunction = value; |
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| 149 | } |
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| 150 | |||
| 151 | } |