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panfrost: Disable shader-assisted indirect draws 

Although it is passing all of dEQP-GLES31, it is failing a few
KHR-GLES31.* tests. It also has performance issues at the moment. Invert
the existing noindirect debug flag to become a indirect debug flag. Set
this flag for dEQP-GLES31 CI on G52, to make sure the code doesn't bit
rot on the hope someone will pick this up later on.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12478>
This commit is contained in:
Alyssa Rosenzweig 2021-08-13 23:11:39 +00:00 committed by Marge Bot
parent 8107f67171
commit a7f7d74137
4 changed files with 5 additions and 9 deletions
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2
src/gallium/drivers/panfrost/ci/gitlab-ci.yml
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@ -154,7 +154,7 @@ panfrost-g52-gles31:arm64:
- .lava-meson-g12b-a311d-khadas-vim3
variables:
DEQP_VER: gles31
PAN_MESA_DEBUG: "deqp,sync"
PAN_MESA_DEBUG: "deqp,sync,indirect"
DEQP_PARALLEL: 6
DEQP_EXPECTED_RENDERER: G52

4
src/gallium/drivers/panfrost/pan_cmdstream.c
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@ -2998,8 +2998,8 @@ panfrost_draw_vbo(struct pipe_context *pipe,
if (!panfrost_render_condition_check(ctx))
return;
/* Emulate indirect draws when debugging */
if (dev->debug & PAN_DBG_NOINDIRECT && indirect && indirect->buffer) {
/* Emulate indirect draws unless we're using the experimental path */
if (!(dev->debug & PAN_DBG_INDIRECT) && indirect && indirect->buffer) {
assert(num_draws == 1);
util_draw_indirect(pipe, info, indirect);
return;

6
src/gallium/drivers/panfrost/pan_screen.c
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@ -68,7 +68,7 @@ static const struct debug_named_value panfrost_debug_options[] = {
{"noafbc", PAN_DBG_NO_AFBC, "Disable AFBC support"},
{"nocrc", PAN_DBG_NO_CRC, "Disable transaction elimination"},
{"msaa16", PAN_DBG_MSAA16, "Enable MSAA 8x and 16x support"},
{"noindirect", PAN_DBG_NOINDIRECT, "Emulate indirect draws on the CPU"},
{"indirect", PAN_DBG_INDIRECT, "Use experimental compute kernel for indirect draws"},
{"linear", PAN_DBG_LINEAR, "Force linear textures"},
{"nocache", PAN_DBG_NO_CACHE, "Disable BO cache"},
DEBUG_NAMED_VALUE_END
@ -840,10 +840,6 @@ panfrost_create_screen(int fd, struct renderonly *ro)
if (dev->arch == 7)
dev->quirks |= MIDGARD_NO_AFBC;
/* XXX: Indirect draws on Midgard need debugging, emulate for now */
if (dev->arch < 6)
dev->debug |= PAN_DBG_NOINDIRECT;
dev->ro = ro;
/* Check if we're loading against a supported GPU model. */

2
src/panfrost/lib/pan_util.h
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@ -43,7 +43,7 @@
#define PAN_DBG_GL3 0x0100
#define PAN_DBG_NO_AFBC 0x0200
#define PAN_DBG_MSAA16 0x0400
#define PAN_DBG_NOINDIRECT 0x0800
#define PAN_DBG_INDIRECT 0x0800
#define PAN_DBG_LINEAR 0x1000
#define PAN_DBG_NO_CACHE 0x2000