54 lines
966 B
GLSL
54 lines
966 B
GLSL
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flat in vec4 finalColor;
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#ifndef USE_WIRE
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in vec2 texCoord_interp;
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#endif
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out vec4 fragColor;
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#ifndef USE_WIRE
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uniform sampler2D image;
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uniform bool imagePremultiplied;
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#endif
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uniform int depthMode;
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uniform bool useAlphaTest;
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void main()
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{
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#ifdef USE_WIRE
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fragColor = finalColor;
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#else
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vec4 tex_col = texture_read_as_srgb(image, imagePremultiplied, texCoord_interp);
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fragColor = finalColor * tex_col;
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if (useAlphaTest) {
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/* Arbitrary discard anything below 5% opacity.
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* Note that this could be exposed to the User. */
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if (tex_col.a < 0.05) {
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discard;
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}
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else {
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fragColor.a = 1.0;
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}
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}
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#endif
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if (depthMode == DEPTH_BACK) {
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gl_FragDepth = 0.999999;
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#ifdef USE_WIRE
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gl_FragDepth -= 1e-5;
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#endif
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}
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else if (depthMode == DEPTH_FRONT) {
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gl_FragDepth = 0.000001;
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#ifdef USE_WIRE
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gl_FragDepth -= 1e-5;
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#endif
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}
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else if (depthMode == DEPTH_UNCHANGED) {
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gl_FragDepth = gl_FragCoord.z;
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}
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}
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