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check whether vertex colors should be interpolated

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This commit is contained in:
Bigfoot71 2026-07-18 14:36:40 +02:00
commit 93f273bf84
1 changed files with 12 additions and 1 deletions
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13
src/external/rlsw.h vendored
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@ -3783,7 +3783,6 @@ static void sw_immediate_set_color(const float color[4])
RLSW.primitive.color[1] = color[1];
RLSW.primitive.color[2] = color[2];
RLSW.primitive.color[3] = color[3];
}
static void sw_immediate_set_texcoord(const float texcoord[2])
@ -3840,6 +3839,18 @@ static void sw_immediate_push_vertex(const float position[4])
}
}
// Determine whether colors should be interpolated
const float *ref = RLSW.primitive.buffer[0].color;
for (int i = 1; i < RLSW.primitive.vertexCount; ++i)
{
const float *c = RLSW.primitive.buffer[i].color;
if (c[0] != ref[0] || c[1] != ref[1] || c[2] != ref[2] || c[3] != ref[3])
{
state |= SW_STATE_COLOR_INTERP;
break;
}
}
switch (RLSW.polyMode)
{
case SW_FILL: sw_poly_fill_render(state); break;