Method setupBlend

src/main/java/net/optifine/render/Blender.java:73–140

(int blend, float brightness)

    }

    public static void setupBlend(int blend, float brightness)
    {
        switch (blend)
        {
            case 0:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(770, 771);
                GlStateManager.color(1.0F, 1.0F, 1.0F, brightness);
                break;

            case 1:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(770, 1);
                GlStateManager.color(1.0F, 1.0F, 1.0F, brightness);
                break;

            case 2:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(775, 0);
                GlStateManager.color(brightness, brightness, brightness, 1.0F);
                break;

            case 3:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(774, 771);
                GlStateManager.color(brightness, brightness, brightness, brightness);
                break;

            case 4:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(1, 1);
                GlStateManager.color(brightness, brightness, brightness, 1.0F);
                break;

            case 5:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(0, 769);
                GlStateManager.color(brightness, brightness, brightness, 1.0F);
                break;

            case 6:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(1, 769);
                GlStateManager.color(brightness, brightness, brightness, 1.0F);
                break;

            case 7:
                GlStateManager.disableAlpha();
                GlStateManager.enableBlend();
                GlStateManager.blendFunc(774, 768);
                GlStateManager.color(brightness, brightness, brightness, 1.0F);