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Keep better track of the independent alpha test related

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This fixes a bug where if alpha test was enabled with
a fall off of 0 that it could never again be disabled
unless alpha falloff was first set to a non-0 value.


git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10938 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
PSp..om 2013-12-09 09:03:27 +00:00
parent 4fc8cb8443
commit faf04cbb1f
1 changed files with 10 additions and 6 deletions
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16
engine/src/lwjgl/com/jme3/renderer/lwjgl/LwjglRenderer.java
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@ -494,16 +494,20 @@ public class LwjglRenderer implements Renderer {
context.depthFunc = state.getDepthFunc(); context.depthFunc = state.getDepthFunc();
} }
if (state.isAlphaTest() && context.alphaTestFallOff == 0) { if (state.isAlphaTest() && !context.alphaTestEnabled) {
glEnable(GL_ALPHA_TEST); glEnable(GL_ALPHA_TEST);
glAlphaFunc(convertTestFunction(context.alphaFunc), state.getAlphaFallOff()); glAlphaFunc(convertTestFunction(context.alphaFunc), context.alphaTestFallOff);
context.alphaTestFallOff = state.getAlphaFallOff(); context.alphaTestEnabled = true;
} else if (!state.isAlphaTest() && context.alphaTestFallOff != 0) { } else if (!state.isAlphaTest() && context.alphaTestEnabled) {
glDisable(GL_ALPHA_TEST); glDisable(GL_ALPHA_TEST);
context.alphaTestFallOff = 0; context.alphaTestEnabled = false;
} }
if (state.getAlphaFallOff() != context.alphaTestFallOff) {
glAlphaFunc(convertTestFunction(context.alphaFunc), context.alphaTestFallOff);
context.alphaTestFallOff = state.getAlphaFallOff();
}
if (state.getAlphaFunc() != context.alphaFunc) { if (state.getAlphaFunc() != context.alphaFunc) {
glAlphaFunc(convertTestFunction(state.getAlphaFunc()), state.getAlphaFallOff()); glAlphaFunc(convertTestFunction(state.getAlphaFunc()), context.alphaTestFallOff);
context.alphaFunc = state.getAlphaFunc(); context.alphaFunc = state.getAlphaFunc();
} }