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remove off by one errors on x/y LoopMax

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This commit is contained in:
Colin James Wood 2026-05-09 11:20:34 +01:00
parent b1a00ff996
commit da9988e670
1 changed files with 3 additions and 3 deletions
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6
src/external/rlsw.h vendored
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@ -5449,7 +5449,7 @@ static void SW_RASTER_TRIANGLE_SPAN(const sw_vertex_t *start, const sw_vertex_t
int x = xLoopStart; int x = xLoopStart;
// Prevent pixels from beyond the buffer from processing. // Prevent pixels from beyond the buffer from processing.
int xLoopEnd = sw_clamp_int(xEnd, 0, RLSW.colorBuffer->width - 1); int xLoopEnd = sw_clamp_int(xEnd, 0, RLSW.colorBuffer->width);
while (x < xLoopEnd) while (x < xLoopEnd)
{ {
// Clamp last block to remaining pixels // Clamp last block to remaining pixels
@ -5744,9 +5744,9 @@ static void SW_RASTER_QUAD(const sw_vertex_t *a, const sw_vertex_t *b,
// Intercept the boundaries to stay within the framebuffer. // Intercept the boundaries to stay within the framebuffer.
int yLoopMin = sw_clamp_int(yMin, 0, RLSW.colorBuffer->height - 1); int yLoopMin = sw_clamp_int(yMin, 0, RLSW.colorBuffer->height - 1);
int yLoopMax = sw_clamp_int(yMax, 0, RLSW.colorBuffer->height - 1); int yLoopMax = sw_clamp_int(yMax, 0, RLSW.colorBuffer->height);
int xLoopMin = sw_clamp_int(xMin, 0, RLSW.colorBuffer->width - 1); int xLoopMin = sw_clamp_int(xMin, 0, RLSW.colorBuffer->width - 1);
int xLoopMax = sw_clamp_int(xMax, 0, RLSW.colorBuffer->width - 1); int xLoopMax = sw_clamp_int(xMax, 0, RLSW.colorBuffer->width);
int dxMin = xLoopMin - xMin; int dxMin = xLoopMin - xMin;
#if defined(SW_ENABLE_DEPTH_TEST) || defined(SW_ENABLE_TEXTURE) #if defined(SW_ENABLE_DEPTH_TEST) || defined(SW_ENABLE_TEXTURE)
int dyMin = yLoopMin - yMin; int dyMin = yLoopMin - yMin;