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gallium/radeon: R600_DEBUG=nodccfb disables separate DCC

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-06-27 19:44:45 +02:00
parent 36cf5a57c2
commit 9fd4eff43c
3 changed files with 4 additions and 1 deletions
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1
src/gallium/drivers/radeon/r600_pipe_common.c
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@ -572,6 +572,7 @@ static const struct debug_named_value common_debug_options[] = {
{ "mono", DBG_MONOLITHIC_SHADERS, "Use old-style monolithic shaders compiled on demand" },
{ "noce", DBG_NO_CE, "Disable the constant engine"},
{ "unsafemath", DBG_UNSAFE_MATH, "Enable unsafe math shader optimizations" },
{ "nodccfb", DBG_NO_DCC_FB, "Disable separate DCC on the main framebuffer" },
DEBUG_NAMED_VALUE_END /* must be last */
};

1
src/gallium/drivers/radeon/r600_pipe_common.h
View file

@ -100,6 +100,7 @@
#define DBG_MONOLITHIC_SHADERS (1llu << 47)
#define DBG_NO_CE (1llu << 48)
#define DBG_UNSAFE_MATH (1llu << 49)
#define DBG_NO_DCC_FB (1llu << 50)
#define R600_MAP_BUFFER_ALIGNMENT 64
#define R600_MAX_VIEWPORTS 16

3
src/gallium/drivers/radeon/r600_texture.c
View file

@ -2198,7 +2198,8 @@ void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
/* Fast clear is the most appropriate place to enable DCC for
* displayable surfaces.
*/
if (rctx->chip_class >= VI) {
if (rctx->chip_class >= VI &&
!(rctx->screen->debug_flags & DBG_NO_DCC_FB)) {
vi_separate_dcc_try_enable(rctx, tex);
/* Stoney can't do a CMASK-based clear, so all clears are