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st/mesa: prefer formats without stencil for DEPTH_COMPONENT

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for fast Z clears to be used more often.

Original patch by Marek Olšák.  Rebased to table-driven st_choose_format()
by Brian Paul.
This commit is contained in:
Brian Paul
2011-05-24 08:59:09 -06:00
parent d57e95f22a
commit cd5417aac7
1 changed files with 6 additions and 4 deletions
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src/mesa/state_tracker/st_format.c
+6 -4
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@@ -741,8 +741,9 @@ static struct format_mapping format_map[] = {
},
{
{ GL_DEPTH_COMPONENT24, 0 },
{ PIPE_FORMAT_Z24_UNORM_S8_USCALED,
PIPE_FORMAT_S8_USCALED_Z24_UNORM, PIPE_FORMAT_Z32_UNORM, 0 }
{ PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_USCALED, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
PIPE_FORMAT_Z32_UNORM, 0 }
},
{
{ GL_DEPTH_COMPONENT32, 0 },
@@ -750,8 +751,9 @@ static struct format_mapping format_map[] = {
},
{
{ GL_DEPTH_COMPONENT, 0 },
{ PIPE_FORMAT_Z32_UNORM, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
PIPE_FORMAT_S8_USCALED_Z24_UNORM, PIPE_FORMAT_Z16_UNORM, 0 }
{ PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
PIPE_FORMAT_Z32_UNORM, PIPE_FORMAT_Z16_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_USCALED, PIPE_FORMAT_S8_USCALED_Z24_UNORM, 0 }
},
/* stencil formats */