Brecht Van Lommel
b68b26c265
I couldn't reproduce either, but calling min() with different argument data types and indexing vectors with an index not known at compile time seem likely to cause problems. Ref T52404, T52404.
57 lines
1.2 KiB
GLSL
57 lines
1.2 KiB
GLSL
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uniform mat4 ModelViewProjectionMatrix;
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uniform mat4 ViewProjectionMatrix;
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uniform mat4 ModelViewMatrix;
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uniform mat4 ProjectionMatrix;
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uniform int screen_space;
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uniform float draw_size;
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uniform vec3 color;
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uniform sampler1D ramp;
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in vec3 pos;
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in vec4 rot;
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in float val;
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in vec3 inst_pos;
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in int axis;
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flat out vec4 finalColor;
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vec3 rotate(vec3 vec, vec4 quat)
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{
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/* The quaternion representation here stores the w component in the first index */
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return vec + 2.0 * cross(quat.yzw, cross(quat.yzw, vec) + quat.x * vec);
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}
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void main()
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{
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if (screen_space == 1) {
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gl_Position = ModelViewMatrix * vec4(pos, 1.0) + vec4(inst_pos * draw_size, 0.0);
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gl_Position = ProjectionMatrix * gl_Position;
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}
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else {
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float size = draw_size;
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if (axis > -1) {
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size *= 2;
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}
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gl_Position = ModelViewProjectionMatrix * vec4(pos + rotate(inst_pos * size, rot), 1.0);
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}
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#ifdef USE_AXIS
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if (axis == 0)
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finalColor = vec4(1.0, 0.0, 0.0, 1.0);
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else if (axis == 1)
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finalColor = vec4(0.0, 1.0, 0.0, 1.0);
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else
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finalColor = vec4(0.0, 0.0, 1.0, 1.0);
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#else
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if (val < 0.0) {
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finalColor = vec4(color, 1.0);
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}
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else {
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finalColor = vec4(texture(ramp, val).rgb, 1.0);
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}
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#endif
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}
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