http://bugs.freedesktop.org/show_bug.cgi?id=25863
Summary: Vega state tracker fail when using multiply, screen,
darken and light blend option
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Other
AssignedTo: mesa3d-dev@lists.sourceforge.net
ReportedBy: igor_trind...@yahoo.com.br
Running progs/openvg/trivial/arc i am receiving a segfault when i change the
blend mode to VG_BLEND_DARKEN:
diff --git a/progs/openvg/trivial/arc.c b/progs/openvg/trivial/arc.c
index db686be..492ea38 100644
--- a/progs/openvg/trivial/arc.c
+++ b/progs/openvg/trivial/arc.c
@@ -51,7 +51,7 @@ init(void)
vgSetPaint(vgPaint, VG_FILL_PATH);
vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED);
- vgSeti(VG_BLEND_MODE, VG_BLEND_SRC_OVER);
+ vgSeti(VG_BLEND_MODE, VG_BLEND_DARKEN);
vgSetf(VG_STROKE_LINE_WIDTH, 2.0f);
vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_SQUARE);
vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_MITER);
Backtrace:
#0 0x0058d7f6 in get_sampler_varient (unit=0, sampler=0x80a8650, texture=0x0,
processor=0) at sp_state_sampler.c:207
#1 0x0058da48 in softpipe_reset_sampler_varients (softpipe=0x8058750)
at sp_state_sampler.c:263
#2 0x0058c85d in update_tgsi_samplers (softpipe=0x8058750) at
sp_state_derived.c:201
#3 0x0058c9b8 in softpipe_update_derived (softpipe=0x8058750) at
sp_state_derived.c:250
#4 0x0057eeba in softpipe_draw_range_elements (pipe=0x8058750,
indexBuffer=0x0,
indexSize=0, min_index=0, max_index=4294967295, mode=6, start=0, count=19)
at sp_draw_arrays.c:128
#5 0x0057f0d5 in softpipe_draw_elements (pipe=0x8058750, indexBuffer=0x0,
indexSize=0,
mode=6, start=0, count=19) at sp_draw_arrays.c:191
#6 0x0057ee5c in softpipe_draw_arrays (pipe=0x8058750, mode=6, start=0,
count=19)
at sp_draw_arrays.c:104
#7 0x00ec7d47 in draw_polygon (ctx=0x8091390, poly=0x80b0200) at polygon.c:302
#8 0x00ec8445 in polygon_array_fill (polyarray=0x80ac724, ctx=0x8091390)
at polygon.c:462
#9 0x00ed0438 in path_fill (p=0x80ac6f8, mat=0x8091968) at path.c:1565
#10 0x00ed037b in path_render (p=0x80ac6f8, paintModes=3) at path.c:1541
#11 0x00ebf172 in vgDrawPath (path=134924024, paintModes=3) at api_path.c:485
#12 0x0804924a in ellipse (vgPath=134924024, rx=4, ry=4, angle=0) at arc.c:35
#13 0x08049429 in draw () at arc.c:85
#14 0x08049bb0 in event_loop (dpy=0x804d008, win=16777218, egl_dpy=0x8056e10,
egl_surf=0x80926a0) at eglcommon.c:171
#15 0x08049f43 in run (argc=1, argv=0xbffff3d4, init_f=0x8049250 <init>,
resh_f=0x80493a3 <reshape>, draw_f=0x80493a8 <draw>, key_f=0) at
eglcommon.c:275
#16 0x080496d4 in main (argc=1, argv=0xbffff3d4) at arc.c:137
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