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freedreno: fix max-line-width

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dEQP noticed that we were advertising completely bogus values.  The
actual maximum is 127.0f.

*But* we have to use an artifically low maximum to work around a bug
in the dEQP test, which gets confused when the max line width is too
large and lines start going off-screen.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2016-04-11 17:46:08 -04:00
parent 6bf462a1ab
commit a7eb12d089
1 changed files with 10 additions and 0 deletions
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10
src/gallium/drivers/freedreno/freedreno_screen.c
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@ -354,6 +354,16 @@ fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
switch (param) {
case PIPE_CAPF_MAX_LINE_WIDTH:
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
/* NOTE: actual value is 127.0f, but this is working around a deqp
* bug.. dEQP-GLES3.functional.rasterization.primitives.lines_wide
* uses too small of a render target size, and gets confused when
* the lines start going offscreen.
*
* See: https://code.google.com/p/android/issues/detail?id=206513
*/
if (fd_mesa_debug & FD_DBG_DEQP)
return 63.0f;
return 127.0f;
case PIPE_CAPF_MAX_POINT_WIDTH:
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
return 4092.0f;