Clément Foucault
c5fc861172
This patch adds a new "Use Alpha" option on image empties to avoid ordering issue of reference images. If ordering is not important, "Use Alpha" can be enabled to provide transparency and alpha blending support.
47 lines
767 B
GLSL
47 lines
767 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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#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(image, 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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}
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else if (depthMode == DEPTH_FRONT) {
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gl_FragDepth = 0.000001;
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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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