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Merge pull request #244 from GPUCode/little-star

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gpu: Saturate color before interpolation
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wheremyfoodat 2023-08-29 22:13:14 +03:00 • committed by GitHub
commit 28f0b938f5
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1 changed files with 3 additions and 2 deletions
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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() { void main() {
gl_Position = a_coords; 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 // 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); 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 // There's also another, always-on clipping plane based on vertex z
gl_ClipDistance[0] = -a_coords.z; gl_ClipDistance[0] = -a_coords.z;
gl_ClipDistance[1] = dot(clipData, a_coords); gl_ClipDistance[1] = dot(clipData, a_coords);
} }