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nouveau/nvc0: init shader and compute caps

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Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33176>
This commit is contained in:
Qiang Yu 2025-01-17 16:58:07 +08:00
parent b2e1fcbe01
commit 2d194637c5
1 changed files with 79 additions and 2 deletions
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81
src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
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@ -259,6 +259,80 @@ nvc0_screen_get_compute_param(struct pipe_screen *pscreen,
#undef RET
}
static void
nvc0_init_shader_caps(struct nvc0_screen *screen)
{
const uint16_t class_3d = screen->base.class_3d;
for (unsigned i = 0; i <= PIPE_SHADER_COMPUTE; i++) {
struct pipe_shader_caps *caps =
(struct pipe_shader_caps *)&screen->base.base.shader_caps[i];
caps->supported_irs = 1 << PIPE_SHADER_IR_NIR;
caps->max_instructions =
caps->max_alu_instructions =
caps->max_tex_instructions =
caps->max_tex_indirections = 16384;
caps->max_control_flow_depth = 16;
caps->max_inputs = 0x200 / 16;
caps->max_outputs = 32;
caps->max_const_buffer0_size = NVC0_MAX_CONSTBUF_SIZE;
caps->max_const_buffers = NVC0_MAX_PIPE_CONSTBUFS;
caps->indirect_temp_addr = true;
caps->indirect_const_addr = true;
caps->max_temps = NVC0_CAP_MAX_PROGRAM_TEMPS;
caps->cont_supported = true;
caps->tgsi_sqrt_supported = true;
caps->subroutines = true;
caps->integers = true;
caps->max_shader_buffers = NVC0_MAX_BUFFERS;
caps->max_texture_samplers = (class_3d >= NVE4_3D_CLASS) ? 32 : 16;
caps->max_sampler_views = (class_3d >= NVE4_3D_CLASS) ? 32 : 16;
caps->max_shader_images =
class_3d >= NVE4_3D_CLASS ||
i == PIPE_SHADER_FRAGMENT ||
i == PIPE_SHADER_COMPUTE ? NVC0_MAX_IMAGES : 0;
}
}
static void
nvc0_init_compute_caps(struct nvc0_screen *screen)
{
struct nouveau_device *dev = screen->base.device;
const uint16_t obj_class = screen->compute->oclass;
struct pipe_compute_caps *caps =
(struct pipe_compute_caps *)&screen->base.base.compute_caps;
caps->grid_dimension = 3;
caps->max_grid_size[0] = obj_class >= NVE4_COMPUTE_CLASS ? 0x7fffffff : 65535;
caps->max_grid_size[1] = 65535;
caps->max_grid_size[2] = 65535;
caps->max_block_size[0] = 1024;
caps->max_block_size[1] = 1024;
caps->max_block_size[2] = 64;
caps->max_threads_per_block = 1024;
caps->max_variable_threads_per_block = obj_class >= NVE4_COMPUTE_CLASS ? 1024 : 512;
caps->max_mem_alloc_size =
caps->max_global_size = nouveau_device_get_global_mem_size(dev); /* g[] */
caps->max_local_size = /* s[] */
obj_class == GM200_COMPUTE_CLASS ? 96 << 10 :
(obj_class == GM107_COMPUTE_CLASS ? 64 << 10 : 48 << 10);
caps->max_private_size = 512 << 10; /* l[] */
caps->max_input_size = 4096; /* c[], arbitrary limit */
caps->subgroup_sizes = 32;
caps->images_supported = !!NVC0_MAX_IMAGES;
caps->max_compute_units = screen->mp_count_compute;
caps->max_clock_frequency = 512; /* FIXME: arbitrary limit */
caps->address_bits = 64;
}
static void
nvc0_init_screen_caps(struct nvc0_screen *screen)
{
@ -1053,8 +1127,6 @@ nvc0_screen_create(struct nouveau_device *dev)
FAIL_SCREEN_INIT("Error allocating PGRAPH context for 3D: %d\n", ret);
screen->base.class_3d = screen->eng3d->oclass;
nvc0_init_screen_caps(screen);
BEGIN_NVC0(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
PUSH_DATA (push, screen->eng3d->oclass);
@ -1388,6 +1460,11 @@ nvc0_screen_create(struct nouveau_device *dev)
screen->compute->oclass,
screen->m2mf->oclass,
screen->copy ? screen->copy->oclass : 0);
nvc0_init_shader_caps(screen);
nvc0_init_compute_caps(screen);
nvc0_init_screen_caps(screen);
return &screen->base;
fail: