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Merged
fjtrujy merged 1 commit into from
Jun 13, 2025
Merged

Improve sceGuClear #305

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10 changes: 6 additions & 4 deletions src/gu/sceGuClear.c
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ void sceGuClear(int flags)
vertices = (struct Vertex *)sceGuGetMemory(2 * sizeof(struct Vertex));
count = 2;

vertices[0].color = 0;
vertices[0].color = filter;
vertices[0].x = 0;
vertices[0].y = 0;
vertices[0].z = context->clear_depth;
Expand All @@ -59,8 +59,10 @@ void sceGuClear(int flags)
else
{
struct Vertex *curr;
unsigned int i;
count = ((gu_draw_buffer.width + 63) / 64) * 2;
unsigned int i, blockWidth;
// Use blockWidth of 32 for 8888, 64 for other formats
blockWidth = gu_draw_buffer.pixel_size == GU_PSM_8888 ? 32 : 64;
count = ((gu_draw_buffer.width + blockWidth - 1) / blockWidth) * 2;
vertices = (struct Vertex *)sceGuGetMemory(count * sizeof(struct Vertex));
curr = vertices;

Expand All @@ -72,7 +74,7 @@ void sceGuClear(int flags)
k = (i & 1);

curr->color = filter;
curr->x = (j + k) * 64;
curr->x = (j + k) * blockWidth;
curr->y = k * gu_draw_buffer.height;
curr->z = context->clear_depth;
}
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