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Support premultiplied alpha.

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NathanSweet 2013-08-02 18:08:37 +02:00
parent 0784725106
commit 1200d549bb
1 changed files with 4 additions and 3 deletions
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7
spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java
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@ -12,6 +12,7 @@ public class SkeletonRenderer {
public void draw (SpriteBatch batch, Skeleton skeleton) { public void draw (SpriteBatch batch, Skeleton skeleton) {
Array<Slot> drawOrder = skeleton.drawOrder; Array<Slot> drawOrder = skeleton.drawOrder;
boolean additive = false; boolean additive = false;
int srcFunc = batch.getBlendSrcFunc();
for (int i = 0, n = drawOrder.size; i < n; i++) { for (int i = 0, n = drawOrder.size; i < n; i++) {
Slot slot = drawOrder.get(i); Slot slot = drawOrder.get(i);
Attachment attachment = slot.attachment; Attachment attachment = slot.attachment;
@ -22,13 +23,13 @@ public class SkeletonRenderer {
if (slot.data.getAdditiveBlending() != additive) { if (slot.data.getAdditiveBlending() != additive) {
additive = !additive; additive = !additive;
if (additive) if (additive)
batch.setBlendFunction(GL11.GL_SRC_ALPHA, GL11.GL_ONE); batch.setBlendFunction(srcFunc, GL11.GL_ONE);
else else
batch.setBlendFunction(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); batch.setBlendFunction(srcFunc, GL11.GL_ONE_MINUS_SRC_ALPHA);
} }
batch.draw(regionAttachment.getRegion().getTexture(), vertices, 0, vertices.length); batch.draw(regionAttachment.getRegion().getTexture(), vertices, 0, vertices.length);
} }
} }
if (additive) batch.setBlendFunction(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); if (additive) batch.setBlendFunction(srcFunc, GL11.GL_ONE_MINUS_SRC_ALPHA);
} }
} }