@Override
public void prepare(int color, float alpha, int fbufWidth, int fbufHeight) {
ctx.checkGLError("colorShader.prepare start");
boolean wasntAlreadyActive = super.prepare(fbufWidth, fbufHeight);
if (wasntAlreadyActive || color != lastColor || alpha != lastAlpha) {
flush();
glUniform1f(uAlpha, alpha);
lastAlpha = alpha;
float a = (float) ((color >> 24) & 0xff) / 255;
float r = (float) ((color >> 16) & 0xff) / 255;
float g = (float) ((color >> 8) & 0xff) / 255;
float b = (float) ((color >> 0) & 0xff) / 255;
glUniform4f(uColor, r, g, b, a);
lastColor = color;
ctx.checkGLError("colorShader.prepare end");
}
}
@Override
public void prepare(Object texObj, float alpha, int fbufWidth, int fbufHeight) {
ctx.checkGLError("textureShader.prepare start");
boolean wasntAlreadyActive = super.prepare(fbufWidth, fbufHeight);
if (wasntAlreadyActive) {
glActiveTexture(GL_TEXTURE0);
glUniform1i(uTexture, 0);
}
int tex = (Integer) texObj;
if (wasntAlreadyActive || tex != lastTex || alpha != lastAlpha) {
flush();
glUniform1f(uAlpha, alpha);
lastAlpha = alpha;
lastTex = tex;
ctx.checkGLError("textureShader.prepare end");
}
}