53 lines
1.3 KiB
GLSL
53 lines
1.3 KiB
GLSL
#ifdef GL_ES
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precision mediump float;
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precision mediump int;
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#endif
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struct widgetStateProperty {
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int stateOld;
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int stateNew;
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float transition;
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};
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uniform widgetStateProperty EW_status;
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// Input :
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attribute vec2 EW_coord2d;
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attribute vec2 EW_widgetPropertyPos;
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uniform mat4 EW_MatrixTransformation;
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uniform vec4 EW_foreground;
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uniform vec4 EW_foregroundHover;
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uniform vec4 EW_foregroundSelected;
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uniform vec4 EW_foregroundPressed;
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// output :
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varying vec2 v_propPos;
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varying vec4 v_colorTansition;
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void main(void) {
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gl_Position = EW_MatrixTransformation * vec4(EW_coord2d, 0.0, 1.0);
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// transmit position of the curent element (intermolated ...)
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v_propPos = EW_widgetPropertyPos;
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vec4 colorOld = EW_foreground;
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if(EW_status.stateOld == 1) {
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colorOld = EW_foregroundPressed;
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} else if(EW_status.stateOld == 2) {
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colorOld = EW_foregroundHover;
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} else if(EW_status.stateOld == 3) {
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colorOld = EW_foregroundSelected;
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}
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vec4 colorNew = EW_foreground;
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if(EW_status.stateNew == 1) {
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colorNew = EW_foregroundPressed;
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} else if(EW_status.stateNew == 2) {
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colorNew = EW_foregroundHover;
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} else if(EW_status.stateNew == 3) {
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colorNew = EW_foregroundSelected;
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}
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// note : int() is needed for the OpenGL ES platform
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v_colorTansition = colorOld * (1.0 - EW_status.transition)
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+ colorNew * EW_status.transition;
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}
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