diff options
Diffstat (limited to 'hw/display')
| -rw-r--r-- | hw/display/ati_2d.c | 55 |
1 files changed, 40 insertions, 15 deletions
diff --git a/hw/display/ati_2d.c b/hw/display/ati_2d.c index b09753320a..42e82311eb 100644 --- a/hw/display/ati_2d.c +++ b/hw/display/ati_2d.c @@ -53,6 +53,10 @@ void ati_2d_blt(ATIVGAState *s) s->vga.vbe_start_addr, surface_data(ds), surface_stride(ds), surface_bits_per_pixel(ds), (s->regs.dp_mix & GMC_ROP3_MASK) >> 16); + int dst_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? + s->regs.dst_x : s->regs.dst_x + 1 - s->regs.dst_width); + int dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? + s->regs.dst_y : s->regs.dst_y + 1 - s->regs.dst_height); int bpp = ati_bpp_from_datatype(s); int dst_stride = DEFAULT_CNTL ? s->regs.dst_pitch : s->regs.default_pitch; uint8_t *dst_bits = s->vga.vram_ptr + (DEFAULT_CNTL ? @@ -63,20 +67,25 @@ void ati_2d_blt(ATIVGAState *s) dst_stride *= bpp; } uint8_t *end = s->vga.vram_ptr + s->vga.vram_size; - if (dst_bits >= end || - dst_bits + s->regs.dst_x + (s->regs.dst_y + s->regs.dst_height) * + if (dst_bits >= end || dst_bits + dst_x + (dst_y + s->regs.dst_height) * dst_stride >= end) { qemu_log_mask(LOG_UNIMP, "blt outside vram not implemented\n"); return; } - DPRINTF("%d %d %d, %d %d %d, (%d,%d) -> (%d,%d) %dx%d\n", + DPRINTF("%d %d %d, %d %d %d, (%d,%d) -> (%d,%d) %dx%d %c %c\n", s->regs.src_offset, s->regs.dst_offset, s->regs.default_offset, s->regs.src_pitch, s->regs.dst_pitch, s->regs.default_pitch, s->regs.src_x, s->regs.src_y, s->regs.dst_x, s->regs.dst_y, - s->regs.dst_width, s->regs.dst_height); + s->regs.dst_width, s->regs.dst_height, + (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? '>' : '<'), + (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? 'v' : '^')); switch (s->regs.dp_mix & GMC_ROP3_MASK) { case ROP3_SRCCOPY: { + int src_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? + s->regs.src_x : s->regs.src_x + 1 - s->regs.dst_width); + int src_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? + s->regs.src_y : s->regs.src_y + 1 - s->regs.dst_height); int src_stride = DEFAULT_CNTL ? s->regs.src_pitch : s->regs.default_pitch; uint8_t *src_bits = s->vga.vram_ptr + (DEFAULT_CNTL ? @@ -86,9 +95,8 @@ void ati_2d_blt(ATIVGAState *s) src_bits += s->regs.crtc_offset & 0x07ffffff; src_stride *= bpp; } - if (src_bits >= end || - src_bits + s->regs.src_x + (s->regs.src_y + s->regs.dst_height) * - src_stride >= end) { + if (src_bits >= end || src_bits + src_x + + (src_y + s->regs.dst_height) * src_stride >= end) { qemu_log_mask(LOG_UNIMP, "blt outside vram not implemented\n"); return; } @@ -97,19 +105,36 @@ void ati_2d_blt(ATIVGAState *s) dst_stride /= sizeof(uint32_t); DPRINTF("pixman_blt(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d)\n", src_bits, dst_bits, src_stride, dst_stride, bpp, bpp, - s->regs.src_x, s->regs.src_y, s->regs.dst_x, s->regs.dst_y, + src_x, src_y, dst_x, dst_y, s->regs.dst_width, s->regs.dst_height); - pixman_blt((uint32_t *)src_bits, (uint32_t *)dst_bits, - src_stride, dst_stride, bpp, bpp, - s->regs.src_x, s->regs.src_y, - s->regs.dst_x, s->regs.dst_y, - s->regs.dst_width, s->regs.dst_height); + if (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT && + s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM) { + pixman_blt((uint32_t *)src_bits, (uint32_t *)dst_bits, + src_stride, dst_stride, bpp, bpp, + src_x, src_y, dst_x, dst_y, + s->regs.dst_width, s->regs.dst_height); + } else { + /* FIXME: We only really need a temporary if src and dst overlap */ + int llb = s->regs.dst_width * (bpp / 8); + int tmp_stride = DIV_ROUND_UP(llb, sizeof(uint32_t)); + uint32_t *tmp = g_malloc(tmp_stride * sizeof(uint32_t) * + s->regs.dst_height); + pixman_blt((uint32_t *)src_bits, tmp, + src_stride, tmp_stride, bpp, bpp, + src_x, src_y, 0, 0, + s->regs.dst_width, s->regs.dst_height); + pixman_blt(tmp, (uint32_t *)dst_bits, + tmp_stride, dst_stride, bpp, bpp, + 0, 0, dst_x, dst_y, + s->regs.dst_width, s->regs.dst_height); + g_free(tmp); + } if (dst_bits >= s->vga.vram_ptr + s->vga.vbe_start_addr && dst_bits < s->vga.vram_ptr + s->vga.vbe_start_addr + s->vga.vbe_regs[VBE_DISPI_INDEX_YRES] * s->vga.vbe_line_offset) { memory_region_set_dirty(&s->vga.vram, s->vga.vbe_start_addr + s->regs.dst_offset + - s->regs.dst_y * surface_stride(ds), + dst_y * surface_stride(ds), s->regs.dst_height * surface_stride(ds)); } s->regs.dst_x += s->regs.dst_width; @@ -151,7 +176,7 @@ void ati_2d_blt(ATIVGAState *s) s->vga.vbe_regs[VBE_DISPI_INDEX_YRES] * s->vga.vbe_line_offset) { memory_region_set_dirty(&s->vga.vram, s->vga.vbe_start_addr + s->regs.dst_offset + - s->regs.dst_y * surface_stride(ds), + dst_y * surface_stride(ds), s->regs.dst_height * surface_stride(ds)); } s->regs.dst_y += s->regs.dst_height; |