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Fixed blending when using two color tinting.

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This commit is contained in:
NathanSweet 2016-11-28 01:46:46 +01:00
parent 77099330ad
commit 10b5318921
2 changed files with 11 additions and 5 deletions
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5
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java
View File

@ -30,9 +30,7 @@
package com.esotericsoftware.spine;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch;
@ -273,8 +271,7 @@ public class SkeletonRenderer {
BlendMode slotBlendMode = slot.data.getBlendMode();
if (slotBlendMode != blendMode) {
blendMode = slotBlendMode;
Gdx.gl.glEnable(GL20.GL_BLEND);
Gdx.gl.glBlendFunc(blendMode.getSource(premultipliedAlpha), blendMode.getDest());
batch.setBlendFunction(blendMode.getSource(premultipliedAlpha), blendMode.getDest());
}
batch.draw(texture, vertices, 0, verticesLength, triangles, 0, triangles.length);
}

11
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/TwoColorPolygonBatch.java
View File

@ -52,6 +52,8 @@ public class TwoColorPolygonBatch {
private int vertexIndex, triangleIndex;
private Texture lastTexture;
private boolean drawing;
private int blendSrcFunc = GL20.GL_SRC_ALPHA;
private int blendDstFunc = GL20.GL_ONE_MINUS_SRC_ALPHA;
public TwoColorPolygonBatch (int size) {
this(size, size * 2);
@ -128,7 +130,7 @@ public class TwoColorPolygonBatch {
mesh.setVertices(vertices, 0, vertexIndex);
mesh.setIndices(triangles, 0, triangleIndex);
Gdx.gl.glEnable(GL20.GL_BLEND);
Gdx.gl.glBlendFunc(blendSrcFunc, blendDstFunc);
mesh.render(shader, GL20.GL_TRIANGLES, 0, triangleIndex);
vertexIndex = 0;
@ -178,6 +180,13 @@ public class TwoColorPolygonBatch {
}
}
public void setBlendFunction (int srcFunc, int dstFunc) {
if (blendSrcFunc == srcFunc && blendDstFunc == dstFunc) return;
flush();
blendSrcFunc = srcFunc;
blendDstFunc = dstFunc;
}
private ShaderProgram createDefaultShader () {
String vertexShader = "attribute vec4 a_position;\n" //
+ "attribute vec4 a_light;\n" //