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