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panfrost: Use push constants for indirect draws

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Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16916>
This commit is contained in:
Alyssa Rosenzweig 2022-06-07 15:16:41 -04:00 • committed by Marge Bot
parent 43884a9b09
commit f227fb6da2
1 changed files with 16 additions and 80 deletions
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96
src/panfrost/lib/pan_indirect_draw.c
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@ -142,7 +142,7 @@ struct indirect_draw_context {
mali_ptr varying_mem;
};
/* Indirect draw shader inputs. Those are stored in a UBO. */
/* Indirect draw shader inputs. Those are stored in FAU. */
struct indirect_draw_inputs {
/* indirect_draw_context pointer */
@ -175,26 +175,13 @@ struct indirect_draw_inputs {
uint32_t draw_buf_stride;
uint32_t restart_index;
uint32_t attrib_count;
};
static nir_ssa_def *
get_input_data(nir_builder *b, unsigned offset, unsigned size)
{
assert(!(offset & 0x3));
assert(size && !(size & 0x3));
return nir_load_ubo(b, 1, size,
nir_imm_int(b, 0),
nir_imm_int(b, offset),
.align_mul = 4,
.align_offset = 0,
.range_base = 0,
.range = ~0);
}
} PACKED;
#define get_input_field(b, name) \
get_input_data(b, offsetof(struct indirect_draw_inputs, name), \
sizeof(((struct indirect_draw_inputs *)0)->name) * 8)
nir_load_push_constant(b, \
1, sizeof(((struct indirect_draw_inputs *)0)->name) * 8, \
nir_imm_int(b, 0), \
.base = offsetof(struct indirect_draw_inputs, name))
static nir_ssa_def *
get_address(nir_builder *b, nir_ssa_def *base, nir_ssa_def *offset)
@ -374,11 +361,6 @@ init_shader_builder(struct indirect_draw_shader_builder *builder,
",idvs" : "");
}
nir_builder *b = &builder->b;
nir_variable_create(b->shader, nir_var_mem_ubo,
glsl_uint_type(), "inputs");
b->shader->info.num_ubos++;
extract_inputs(builder);
}
@ -1136,6 +1118,7 @@ create_indirect_draw_shader(struct panfrost_device *dev,
struct panfrost_compile_inputs inputs = {
.gpu_id = dev->gpu_id,
.fixed_sysval_ubo = -1,
.no_ubo_to_push = true,
};
struct pan_shader_info shader_info;
struct util_dynarray binary;
@ -1147,6 +1130,9 @@ create_indirect_draw_shader(struct panfrost_device *dev,
assert(!shader_info.wls_size);
assert(!shader_info.sysvals.sysval_count);
shader_info.push.count =
DIV_ROUND_UP(sizeof(struct indirect_draw_inputs), 4);
unsigned shader_id = get_shader_id(flags, index_size, index_min_max_search);
struct pan_indirect_draw_shader *draw_shader =
&dev->indirect_draw_shaders.shaders[shader_id];
@ -1203,45 +1189,6 @@ get_tls(const struct panfrost_device *dev)
(PAN_INDIRECT_DRAW_NUM_SHADERS * pan_size(RENDERER_STATE));
}
static mali_ptr
get_ubos(struct pan_pool *pool,
const struct indirect_draw_inputs *inputs)
{
struct panfrost_ptr inputs_buf =
pan_pool_alloc_aligned(pool, sizeof(*inputs), 16);
memcpy(inputs_buf.cpu, inputs, sizeof(*inputs));
struct panfrost_ptr ubos_buf =
pan_pool_alloc_desc(pool, UNIFORM_BUFFER);
pan_pack(ubos_buf.cpu, UNIFORM_BUFFER, cfg) {
cfg.entries = DIV_ROUND_UP(sizeof(*inputs), 16);
cfg.pointer = inputs_buf.gpu;
}
return ubos_buf.gpu;
}
static mali_ptr
get_push_uniforms(struct pan_pool *pool,
const struct pan_indirect_draw_shader *shader,
const struct indirect_draw_inputs *inputs)
{
if (!shader->push.count)
return 0;
struct panfrost_ptr push_consts_buf =
pan_pool_alloc_aligned(pool, shader->push.count * 4, 16);
uint32_t *out = push_consts_buf.cpu;
uint8_t *in = (uint8_t *)inputs;
for (unsigned i = 0; i < shader->push.count; ++i)
memcpy(out + i, in + shader->push.words[i].offset, 4);
return push_consts_buf.gpu;
}
static void
panfrost_indirect_draw_alloc_deps(struct panfrost_device *dev)
{
@ -1284,8 +1231,7 @@ panfrost_emit_index_min_max_search(struct pan_pool *pool,
struct pan_scoreboard *scoreboard,
const struct pan_indirect_draw_info *draw_info,
const struct indirect_draw_inputs *inputs,
struct indirect_draw_context *draw_ctx,
mali_ptr ubos)
struct indirect_draw_context *draw_ctx)
{
struct panfrost_device *dev = pool->dev;
unsigned index_size = draw_info->index_size;
@ -1296,10 +1242,6 @@ panfrost_emit_index_min_max_search(struct pan_pool *pool,
mali_ptr rsd =
get_renderer_state(dev, draw_info->flags,
draw_info->index_size, true);
unsigned shader_id =
get_shader_id(draw_info->flags, draw_info->index_size, true);
const struct pan_indirect_draw_shader *shader =
&dev->indirect_draw_shaders.shaders[shader_id];
struct panfrost_ptr job =
pan_pool_alloc_desc(pool, COMPUTE_JOB);
void *invocation =
@ -1316,8 +1258,8 @@ panfrost_emit_index_min_max_search(struct pan_pool *pool,
cfg.draw_descriptor_is_64b = true;
cfg.state = rsd;
cfg.thread_storage = get_tls(pool->dev);
cfg.uniform_buffers = ubos;
cfg.push_uniforms = get_push_uniforms(pool, shader, inputs);
cfg.push_uniforms =
pan_pool_upload_aligned(pool, inputs, sizeof(*inputs), 16);
}
return panfrost_add_job(pool, scoreboard, MALI_JOB_TYPE_COMPUTE,
@ -1385,12 +1327,6 @@ GENX(panfrost_emit_indirect_draw)(struct pan_pool *pool,
inputs.min_max_ctx = min_max_ctx_ptr.gpu;
}
unsigned shader_id =
get_shader_id(draw_info->flags, draw_info->index_size, false);
const struct pan_indirect_draw_shader *shader =
&dev->indirect_draw_shaders.shaders[shader_id];
mali_ptr ubos = get_ubos(pool, &inputs);
void *invocation =
pan_section_ptr(job.cpu, COMPUTE_JOB, INVOCATION);
panfrost_pack_work_groups_compute(invocation,
@ -1405,14 +1341,14 @@ GENX(panfrost_emit_indirect_draw)(struct pan_pool *pool,
cfg.draw_descriptor_is_64b = true;
cfg.state = rsd;
cfg.thread_storage = get_tls(pool->dev);
cfg.uniform_buffers = ubos;
cfg.push_uniforms = get_push_uniforms(pool, shader, &inputs);
cfg.push_uniforms =
pan_pool_upload_aligned(pool, &inputs, sizeof(inputs), 16);
}
unsigned global_dep = draw_info->last_indirect_draw;
unsigned local_dep =
panfrost_emit_index_min_max_search(pool, scoreboard, draw_info,
&inputs, &draw_ctx, ubos);
&inputs, &draw_ctx);
if (!ctx->cpu) {
*ctx = draw_ctx_ptr;