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gpu: Saturate color before interpolation

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GPUCode 2023-08-29 21:05:37 +03:00
parent ef22fd91da
commit dc68fc9943
1 changed files with 3 additions and 2 deletions
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5
src/host_shaders/opengl_vertex_shader.vert
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@ -64,7 +64,8 @@ float decodeFP(uint hex, uint E, uint M) {
void main() {
gl_Position = a_coords;
v_colour = a_vertexColour;
vec4 colourAbs = abs(a_vertexColour);
v_colour = min(colourAbs, vec4(1.f));
// Flip y axis of UVs because OpenGL uses an inverted y for texture sampling compared to the PICA
v_texcoord0 = vec3(a_texcoord0.x, 1.0 - a_texcoord0.y, a_texcoord0_w);
@ -94,4 +95,4 @@ void main() {
// There's also another, always-on clipping plane based on vertex z
gl_ClipDistance[0] = -a_coords.z;
gl_ClipDistance[1] = dot(clipData, a_coords);
}
}