gtk2/gsk/vulkan/resources/blendmode.vert
Matthias Clasen 900a4e4d31 gsk: Move shader resources
Move the resources of each renderer to its subdirectory.
We've previously done that for the ngl renderer, but it
is better to be consistent and do it for all the renderers.
2021-04-03 08:24:58 -04:00

41 lines
1.3 KiB
GLSL

#version 420 core
#include "clip.vert.glsl"
layout(location = 0) in vec4 inRect;
layout(location = 1) in vec4 inStartTexRect;
layout(location = 2) in vec4 inEndTexRect;
layout(location = 3) in uint inBlendMode;
layout(location = 0) out vec2 outPos;
layout(location = 1) out vec2 outStartTexCoord;
layout(location = 2) out vec2 outEndTexCoord;
layout(location = 3) flat out uint outBlendMode;
vec2 offsets[6] = { vec2(0.0, 0.0),
vec2(1.0, 0.0),
vec2(0.0, 1.0),
vec2(0.0, 1.0),
vec2(1.0, 0.0),
vec2(1.0, 1.0) };
void main() {
vec4 rect = clip (inRect);
vec2 pos = rect.xy + rect.zw * offsets[gl_VertexIndex];
gl_Position = push.mvp * vec4 (pos, 0.0, 1.0);
outPos = pos;
vec4 texrect = vec4((rect.xy - inRect.xy) / inRect.zw,
rect.zw / inRect.zw);
vec4 starttexrect = vec4(inStartTexRect.xy + inStartTexRect.zw * texrect.xy,
inStartTexRect.zw * texrect.zw);
vec4 endtexrect = vec4(inEndTexRect.xy + inEndTexRect.zw * texrect.xy,
inEndTexRect.zw * texrect.zw);
outStartTexCoord = starttexrect.xy + starttexrect.zw * offsets[gl_VertexIndex];
outEndTexCoord = endtexrect.xy + endtexrect.zw * offsets[gl_VertexIndex];
outBlendMode = inBlendMode;
}