[Mesa-dev] [Bug 89372] [softpipe] piglit glsl-1.50 generate-zero-primitives regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89372

            Bug ID: 89372
           Summary: [softpipe] piglit glsl-1.50 generate-zero-primitives
                    regression
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Keywords: regression
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: vlee at freedesktop.org
        QA Contact: mesa-dev at lists.freedesktop.org

mesa: d528907fd2950c7bb968fff66dd79863cd128890 (master 10.6.0-devel)

$ ./bin/shader_runner
tests/spec/glsl-1.50/execution/geometry/generate-zero-primitives.shader_test
-auto 
Floating point exception (core dumped)

Core was generated by `./bin/shader_runner
tests/spec/glsl-1.50/execution/geometry/generate-zero-primi'.
Program terminated with signal SIGFPE, Arithmetic exception.
#0  0x00007fe007e6b16f in draw_pt_emit_prepare (emit=0x1d48600, 
    prim=prim at entry=0, max_vertices=max_vertices at entry=0x1dfdf88)
    at draw/draw_pt_emit.c:116
116       *max_vertices = (draw->render->max_vertex_buffer_bytes /
(gdb) l
111           translate_key_compare(&emit->translate->key, &hw_key) != 0) {
112          translate_key_sanitize(&hw_key);
113          emit->translate = translate_cache_find(emit->cache, &hw_key);
114       }
115    
116       *max_vertices = (draw->render->max_vertex_buffer_bytes /
117                        (vinfo->size * 4));
118    }
119    
120    
(gdb) print emit->translate->key
$1 = {output_stride = 0, nr_elements = 0, element = {{
      type = TRANSLATE_ELEMENT_NORMAL, input_format = PIPE_FORMAT_NONE, 
      output_format = PIPE_FORMAT_NONE, input_buffer = 0, input_offset = 0, 
      instance_divisor = 0, output_offset = 0} <repeats 33 times>}}
(gdb) print hw_key
$2 = {output_stride = 0, nr_elements = 0, element = {{
      type = TRANSLATE_ELEMENT_NORMAL, input_format = PIPE_FORMAT_NONE, 
      output_format = PIPE_FORMAT_NONE, input_buffer = 0, input_offset = 0, 
      instance_divisor = 0, output_offset = 0} <repeats 33 times>}}

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