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freedreno/a6xx: limit LRZ state emit

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Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4813>
This commit is contained in:
Rob Clark 2020-04-16 14:52:29 -07:00 • committed by Marge Bot
parent 3c268afd29
commit dfa702e94b
2 changed files with 34 additions and 9 deletions
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11
src/gallium/drivers/freedreno/a6xx/fd6_context.h
View file

@ -105,6 +105,17 @@ struct fd6_context {
uint32_t PC_UNKNOWN_9805;
uint32_t SP_UNKNOWN_A0F8;
} magic;
struct {
/* previous binning/draw lrz state, which is a function of multiple
* gallium stateobjs, but doesn't necessarily change as frequently:
*/
struct {
uint32_t gras_lrz_cntl;
uint32_t rb_lrz_cntl;
} lrz[2];
} last;
};
static inline struct fd6_context *

32
src/gallium/drivers/freedreno/a6xx/fd6_emit.c
View file

@ -698,16 +698,14 @@ build_vbo_state(struct fd6_emit *emit, const struct ir3_shader_variant *vp)
static struct fd_ringbuffer *
build_lrz(struct fd6_emit *emit, bool binning_pass)
{
struct fd6_blend_stateobj *blend = fd6_blend_stateobj(emit->ctx->blend);
struct fd6_zsa_stateobj *zsa = fd6_zsa_stateobj(emit->ctx->zsa);
struct pipe_framebuffer_state *pfb = &emit->ctx->batch->framebuffer;
struct fd_context *ctx = emit->ctx;
struct fd6_blend_stateobj *blend = fd6_blend_stateobj(ctx->blend);
struct fd6_zsa_stateobj *zsa = fd6_zsa_stateobj(ctx->zsa);
struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
struct fd_resource *rsc = fd_resource(pfb->zsbuf->texture);
uint32_t gras_lrz_cntl = zsa->gras_lrz_cntl;
uint32_t rb_lrz_cntl = zsa->rb_lrz_cntl;
struct fd_ringbuffer *ring = fd_submit_new_ringbuffer(emit->ctx->batch->submit,
16, FD_RINGBUFFER_STREAMING);
if (zsa->invalidate_lrz) {
rsc->lrz_valid = false;
gras_lrz_cntl = 0;
@ -719,6 +717,18 @@ build_lrz(struct fd6_emit *emit, bool binning_pass)
gras_lrz_cntl |= A6XX_GRAS_LRZ_CNTL_LRZ_WRITE;
}
struct fd6_context *fd6_ctx = fd6_context(ctx);
if ((fd6_ctx->last.lrz[binning_pass].gras_lrz_cntl == gras_lrz_cntl) &&
(fd6_ctx->last.lrz[binning_pass].rb_lrz_cntl == rb_lrz_cntl) &&
!ctx->last.dirty)
return NULL;
fd6_ctx->last.lrz[binning_pass].gras_lrz_cntl = gras_lrz_cntl;
fd6_ctx->last.lrz[binning_pass].rb_lrz_cntl = rb_lrz_cntl;
struct fd_ringbuffer *ring = fd_submit_new_ringbuffer(ctx->batch->submit,
16, FD_RINGBUFFER_STREAMING);
OUT_PKT4(ring, REG_A6XX_GRAS_LRZ_CNTL, 1);
OUT_RING(ring, gras_lrz_cntl);
@ -970,11 +980,15 @@ fd6_emit_state(struct fd_ringbuffer *ring, struct fd6_emit *emit)
struct fd_ringbuffer *state;
state = build_lrz(emit, false);
fd6_emit_take_group(emit, state, FD6_GROUP_LRZ, ENABLE_DRAW);
if (state) {
fd6_emit_take_group(emit, state, FD6_GROUP_LRZ, ENABLE_DRAW);
}
state = build_lrz(emit, true);
fd6_emit_take_group(emit, state,
FD6_GROUP_LRZ_BINNING, CP_SET_DRAW_STATE__0_BINNING);
if (state) {
fd6_emit_take_group(emit, state,
FD6_GROUP_LRZ_BINNING, CP_SET_DRAW_STATE__0_BINNING);
}
}
if (dirty & FD_DIRTY_STENCIL_REF) {