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i965/gen9: Support fast clears for 32b float

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SKL supports the ability to do fast clears and resolves of 32b RGBA as both
integer and floats. This patch only enables float color clears because we
haven't yet enabled integer color clears, (HW support for that was added in
BDW).

v2: Remove LUMINANCE16F and INTENSITY16F special cases since they are now
handled by Neil's patch to disable MSAA fast clears.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Neil Roberts <neil@linux.intel.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>
This commit is contained in:
Ben Widawsky 2015-10-13 20:50:27 -07:00
parent 7c690da29c
commit 0288f92e7b
2 changed files with 6 additions and 10 deletions
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8
src/mesa/drivers/dri/i965/brw_meta_fast_clear.c
View file

@ -359,8 +359,12 @@ is_color_fast_clear_compatible(struct brw_context *brw,
}
for (int i = 0; i < 4; i++) {
if (color->f[i] != 0.0f && color->f[i] != 1.0f &&
_mesa_format_has_color_component(format, i)) {
if (!_mesa_format_has_color_component(format, i)) {
continue;
}
if (brw->gen < 9 &&
color->f[i] != 0.0f && color->f[i] != 1.0f) {
return false;
}
}

8
src/mesa/drivers/dri/i965/gen8_surface_state.c
View file

@ -188,14 +188,6 @@ gen8_emit_fast_clear_color(struct brw_context *brw,
uint32_t *surf)
{
if (brw->gen >= 9) {
#define check_fast_clear_val(x) \
assert(mt->gen9_fast_clear_color.f[x] == 0.0 || \
mt->gen9_fast_clear_color.f[x] == 1.0)
check_fast_clear_val(0);
check_fast_clear_val(1);
check_fast_clear_val(2);
check_fast_clear_val(3);
#undef check_fast_clear_val
surf[12] = mt->gen9_fast_clear_color.ui[0];
surf[13] = mt->gen9_fast_clear_color.ui[1];
surf[14] = mt->gen9_fast_clear_color.ui[2];