diff options
Diffstat (limited to 'plugins/gpu_unai')
| -rw-r--r-- | plugins/gpu_unai/gpu.cpp | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/plugins/gpu_unai/gpu.cpp b/plugins/gpu_unai/gpu.cpp index a7cf495..f0539c0 100644 --- a/plugins/gpu_unai/gpu.cpp +++ b/plugins/gpu_unai/gpu.cpp @@ -274,8 +274,9 @@ void GPU_writeDataMem(u32* dmaAddress, s32 dmaCount) { if (FrameToWrite) { - while (dmaCount--) + while (dmaCount) { + dmaCount--; data = *dmaAddress++; if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; pvram[px] = data; @@ -830,14 +831,15 @@ static s16 old_res_horz, old_res_vert, old_rgb24; static void blit(void) { + u16 *base = (u16 *)GPU_FrameBuffer; s16 isRGB24 = (GPU_GP1 & 0x00200000) ? 1 : 0; s16 h0, x0, y0, w0, h1; - u16 *srcs; + u32 fb_offs; u8 *dest; x0 = DisplayArea[0] & ~1; // alignment needed by blitter y0 = DisplayArea[1]; - srcs = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0,y0)]; + fb_offs = FRAME_OFFSET(x0, y0); w0 = DisplayArea[2]; h0 = DisplayArea[3]; // video mode @@ -860,22 +862,25 @@ static void blit(void) if (isRGB24) { #ifndef MAEMO - for (; h1-- > 0; dest += w0 * 3, srcs += 1024) + for (; h1-- > 0; dest += w0 * 3, fb_offs += 1024) { - bgr888_to_rgb888(dest, srcs, w0 * 3); + fb_offs &= 1024*512-1; + bgr888_to_rgb888(dest, base + fb_offs, w0 * 3); } #else - for (; h1-- > 0; dest += w0 * 2, srcs += 1024) + for (; h1-- > 0; dest += w0 * 2, fb_offs += 1024) { - bgr888_to_rgb565(dest, srcs, w0 * 3); + fb_offs &= 1024*512-1; + bgr888_to_rgb565(dest, base + fb_offs, w0 * 3); } #endif } else { - for (; h1-- > 0; dest += w0 * 2, srcs += 1024) + for (; h1-- > 0; dest += w0 * 2, fb_offs += 1024) { - bgr555_to_rgb565(dest, srcs, w0 * 2); + fb_offs &= 1024*512-1; + bgr555_to_rgb565(dest, base + fb_offs, w0 * 2); } } |