diff options
| -rw-r--r-- | plugins/gpu_neon/psx_gpu/psx_gpu_parse.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c index 67da86e..a364eef 100644 --- a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c +++ b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c @@ -1453,7 +1453,8 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size, { s16 viewport_start_x = list[0] & 0x3FF; s16 viewport_start_y = (list[0] >> 10) & 0x1FF; - u32 d; + u32 w; + s32 d; if(viewport_start_x == psx_gpu->viewport_start_x && viewport_start_y == psx_gpu->viewport_start_y) @@ -1465,11 +1466,12 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size, psx_gpu->saved_viewport_start_x = viewport_start_x; psx_gpu->saved_viewport_start_y = viewport_start_y; - d = (u32)psx_gpu->viewport_end_x - (u32)viewport_start_x + 1; - if((u32)psx_gpu->enhancement_x_threshold - d <= 16) + w = (u32)psx_gpu->viewport_end_x - (u32)viewport_start_x + 1; + d = psx_gpu->enhancement_x_threshold - w; + if(-16 <= d && d <= 16) { update_enhancement_buf_table_from_x(psx_gpu, - viewport_start_x, d); + viewport_start_x, w); } select_enhancement_buf(psx_gpu); @@ -1487,7 +1489,8 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size, { s16 viewport_end_x = list[0] & 0x3FF; s16 viewport_end_y = (list[0] >> 10) & 0x1FF; - u32 d; + u32 w; + s32 d; if(viewport_end_x == psx_gpu->viewport_end_x && viewport_end_y == psx_gpu->viewport_end_y) @@ -1500,11 +1503,12 @@ u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size, psx_gpu->saved_viewport_end_x = viewport_end_x; psx_gpu->saved_viewport_end_y = viewport_end_y; - d = (u32)viewport_end_x - (u32)psx_gpu->viewport_start_x + 1; - if((u32)psx_gpu->enhancement_x_threshold - d <= 16) + w = (u32)viewport_end_x - (u32)psx_gpu->viewport_start_x + 1; + d = psx_gpu->enhancement_x_threshold - w; + if(-16 <= d && d <= 16) { update_enhancement_buf_table_from_x(psx_gpu, - psx_gpu->viewport_start_x, d); + psx_gpu->viewport_start_x, w); } select_enhancement_buf(psx_gpu); |