From cba280fe94eaed53952e2997cac1ee2bed6cfdee Mon Sep 17 00:00:00 2001 From: Wolfgang Bumiller Date: Fri, 10 Feb 2017 08:34:03 +0100 Subject: [PATCH 2/2] Revert "cirrus: allow zero source pitch in pattern fill rops" This reverts commit cf9c099a7694eb47ded529e1ed40ee8789f32d31. Conflicts: hw/display/cirrus_vga.c --- hw/display/cirrus_vga.c | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c index 6bd13fc..92e7951 100644 --- a/hw/display/cirrus_vga.c +++ b/hw/display/cirrus_vga.c @@ -272,6 +272,9 @@ static void cirrus_update_memory_access(CirrusVGAState *s); static bool blit_region_is_unsafe(struct CirrusVGAState *s, int32_t pitch, int32_t addr) { + if (!pitch) { + return true; + } if (pitch < 0) { int64_t min = addr + ((int64_t)s->cirrus_blt_height - 1) * pitch @@ -290,11 +293,8 @@ static bool blit_region_is_unsafe(struct CirrusVGAState *s, return false; } -static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only, - bool zero_src_pitch_ok) +static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only) { - int32_t check_pitch; - /* should be the case, see cirrus_bitblt_start */ assert(s->cirrus_blt_width > 0); assert(s->cirrus_blt_height > 0); @@ -303,10 +303,6 @@ static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only, return true; } - if (!s->cirrus_blt_dstpitch) { - return true; - } - if (blit_region_is_unsafe(s, s->cirrus_blt_dstpitch, s->cirrus_blt_dstaddr)) { return true; @@ -314,14 +310,8 @@ static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only, if (dst_only) { return false; } - - check_pitch = s->cirrus_blt_srcpitch; - if (!zero_src_pitch_ok && !check_pitch) { - check_pitch = s->cirrus_blt_width; - } - - if (blit_region_is_unsafe(s, check_pitch, - s->cirrus_blt_srcaddr)) { + if (blit_region_is_unsafe(s, s->cirrus_blt_srcpitch, + s->cirrus_blt_srcaddr & s->cirrus_addr_mask)) { return true; } @@ -715,9 +705,8 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState *s, bool videosrc) src = s->cirrus_bltbuf; } - if (blit_is_unsafe(s, true, true)) { + if (blit_is_unsafe(s, true)) return 0; - } (*s->cirrus_rop) (s, dst, src, s->cirrus_blt_dstpitch, 0, @@ -734,7 +723,7 @@ static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) { cirrus_fill_t rop_func; - if (blit_is_unsafe(s, true, true)) { + if (blit_is_unsafe(s, true)) { return 0; } rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; @@ -834,7 +823,7 @@ static int cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h) static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s) { - if (blit_is_unsafe(s, false, false)) + if (blit_is_unsafe(s, false)) return 0; return cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->vga.start_addr, -- 2.1.4