mirror of https://github.com/OpenRCT2/OpenRCT2.git
46 lines
1.1 KiB
GLSL
46 lines
1.1 KiB
GLSL
|
#version 150
|
||
|
|
|
||
|
|
uniform ivec2 uScreenSize;
|
||
|
|
|
||
|
|
in ivec4 vClip;
|
||
|
|
in int vTexColourAtlas;
|
||
|
|
in vec4 vTexColourBounds;
|
||
|
|
in int vTexMaskAtlas;
|
||
|
|
in vec4 vTexMaskBounds;
|
||
|
|
in ivec3 vPalettes;
|
||
|
|
in int vFlags;
|
||
|
|
in uint vColour;
|
||
|
|
in ivec4 vBounds;
|
||
|
|
|
||
|
|
in mat4x2 vVertMat;
|
||
|
|
in vec2 vVertVec;
|
||
|
|
|
||
|
|
out vec2 fPosition;
|
||
|
|
flat out int fFlags;
|
||
|
|
flat out uint fColour;
|
||
|
|
out vec3 fTexColour;
|
||
|
|
out vec3 fTexMask;
|
||
|
|
flat out vec3 fPalettes;
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
// Clamp position by vClip, correcting interpolated values for the clipping
|
||
|
|
vec2 m = clamp(((vVertMat * vClip) - (vVertMat * vBounds))/(vBounds.zw - vBounds.xy) + vVertVec, 0.0, 1.0);
|
||
|
|
vec2 pos = mix(vBounds.xy, vBounds.zw, m);
|
||
|
|
fTexColour = vec3(mix(vTexColourBounds.xy, vTexColourBounds.zw, m), vTexColourAtlas);
|
||
|
|
fTexMask = vec3(mix(vTexMaskBounds.xy, vTexMaskBounds.zw, m), vTexMaskAtlas);
|
||
|
|
|
||
|
|
fPosition = pos;
|
||
|
|
|
||
|
|
// Transform screen coordinates to viewport
|
||
|
|
pos.x = (pos.x * (2.0 / uScreenSize.x)) - 1.0;
|
||
|
|
pos.y = (pos.y * (2.0 / uScreenSize.y)) - 1.0;
|
||
|
|
pos.y *= -1;
|
||
|
|
|
||
|
|
fFlags = vFlags;
|
||
|
|
fColour = vColour;
|
||
|
|
fPalettes = vec3(vPalettes);
|
||
|
|
|
||
|
|
gl_Position = vec4(pos, 0.0, 1.0);
|
||
|
|
}
|