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radeonsi: add debug flags that disable DCC and DCC fast clear 

For debugging, bug reports, etc.
This is not in the radeonsi directory, but it is about radeonsi.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2015-10-22 22:55:19 +02:00
parent 235d38584c
commit 3aebc596b3
3 changed files with 10 additions and 0 deletions
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2
src/gallium/drivers/radeon/r600_pipe_common.c
View File

@ -360,6 +360,8 @@ static const struct debug_named_value common_debug_options[] = {
{ "precompile", DBG_PRECOMPILE, "Compile one shader variant at shader creation." },
{ "nowc", DBG_NO_WC, "Disable GTT write combining" },
{ "check_vm", DBG_CHECK_VM, "Check VM faults and dump debug info." },
{ "nodcc", DBG_NO_DCC, "Disable DCC." },
{ "nodccclear", DBG_NO_DCC_CLEAR, "Disable DCC fast clear." },
DEBUG_NAMED_VALUE_END /* must be last */
};

2
src/gallium/drivers/radeon/r600_pipe_common.h
View File

@ -99,6 +99,8 @@
#define DBG_INFO (1llu << 40)
#define DBG_NO_WC (1llu << 41)
#define DBG_CHECK_VM (1llu << 42)
#define DBG_NO_DCC (1llu << 43)
#define DBG_NO_DCC_CLEAR (1llu << 44)
#define R600_MAP_BUFFER_ALIGNMENT 64

6
src/gallium/drivers/radeon/r600_texture.c
View File

@ -486,6 +486,9 @@ static void r600_texture_alloc_cmask_separate(struct r600_common_screen *rscreen
static void vi_texture_alloc_dcc_separate(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
if (rscreen->debug_flags & DBG_NO_DCC)
return;
rtex->dcc_buffer = (struct r600_resource *)
r600_aligned_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM,
PIPE_USAGE_DEFAULT, rtex->surface.dcc_size, rtex->surface.dcc_alignment);
@ -1371,6 +1374,9 @@ void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
uint32_t reset_value;
bool clear_words_needed;
if (rctx->screen->debug_flags & DBG_NO_DCC_CLEAR)
continue;
vi_get_fast_clear_parameters(fb->cbufs[i]->format, color, &reset_value, &clear_words_needed);
rctx->clear_buffer(&rctx->b, &tex->dcc_buffer->b.b,