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v3d: init shader and compute caps

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Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33176>
This commit is contained in:
Qiang Yu 2025-01-21 14:57:30 +08:00
parent c312ca70bc
commit 0a1d1e47c9
1 changed files with 119 additions and 0 deletions
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119
src/gallium/drivers/v3d/v3d_screen.c
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@ -306,6 +306,123 @@ v3d_get_compute_param(struct pipe_screen *pscreen,
return 0;
}
static void
v3d_init_shader_caps(struct v3d_screen *screen)
{
for (unsigned i = 0; i <= PIPE_SHADER_COMPUTE; i++) {
struct pipe_shader_caps *caps =
(struct pipe_shader_caps *)&screen->base.shader_caps[i];
switch (i) {
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_FRAGMENT:
case PIPE_SHADER_GEOMETRY:
break;
case PIPE_SHADER_COMPUTE:
if (!screen->has_csd)
continue;
break;
default:
continue;
}
caps->max_instructions =
caps->max_alu_instructions =
caps->max_tex_instructions =
caps->max_tex_indirections = 16384;
caps->max_control_flow_depth = UINT_MAX;
switch (i) {
case PIPE_SHADER_VERTEX:
caps->max_inputs = V3D_MAX_VS_INPUTS / 4;
break;
case PIPE_SHADER_GEOMETRY:
caps->max_inputs = V3D_MAX_GS_INPUTS / 4;
break;
case PIPE_SHADER_FRAGMENT:
caps->max_inputs = V3D_MAX_FS_INPUTS / 4;
break;
default:
break;
}
caps->max_outputs =
i == PIPE_SHADER_FRAGMENT ? 4 : V3D_MAX_FS_INPUTS / 4;
caps->max_temps = 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
/* Note: Limited by the offset size in
* v3d_unit_data_create().
*/
caps->max_const_buffer0_size = 16 * 1024 * sizeof(float);
caps->max_const_buffers = 16;
caps->indirect_temp_addr = true;
caps->indirect_const_addr = true;
caps->integers = true;
caps->max_texture_samplers =
caps->max_sampler_views = V3D_MAX_TEXTURE_SAMPLERS;
caps->max_shader_buffers =
screen->has_cache_flush &&
(i != PIPE_SHADER_VERTEX && i != PIPE_SHADER_GEOMETRY) ?
PIPE_MAX_SHADER_BUFFERS : 0;
caps->max_shader_images =
screen->has_cache_flush ? PIPE_MAX_SHADER_IMAGES : 0;
caps->supported_irs = 1 << PIPE_SHADER_IR_NIR;
}
}
static void
v3d_init_compute_caps(struct v3d_screen *screen)
{
struct pipe_compute_caps *caps =
(struct pipe_compute_caps *)&screen->base.compute_caps;
if (!screen->has_csd)
return;
caps->address_bits = 32;
snprintf(caps->ir_target, sizeof(caps->ir_target), "v3d");
caps->grid_dimension = 3;
/* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
* 16-bit field for the number of workgroups in each
* dimension.
*/
caps->max_grid_size[0] =
caps->max_grid_size[1] =
caps->max_grid_size[2] = 65535;
/* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
caps->max_block_size[0] =
caps->max_block_size[1] =
caps->max_block_size[2] = 256;
/* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
* limited by WG_SIZE in the CSD.
*/
caps->max_threads_per_block =
caps->max_variable_threads_per_block = 256;
/* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
caps->max_local_size = 32768;
caps->max_private_size =
caps->max_input_size = 4096;
struct sysinfo si;
sysinfo(&si);
caps->max_global_size = si.totalram;
caps->max_mem_alloc_size = MIN2(V3D_MAX_BUFFER_RANGE, si.totalram);
caps->max_compute_units = 1;
caps->images_supported = true;
caps->subgroup_sizes = 16;
}
static void
v3d_init_screen_caps(struct v3d_screen *screen)
{
@ -939,6 +1056,8 @@ v3d_screen_create(int fd, const struct pipe_screen_config *config,
BITFIELD_BIT(MESA_PRIM_TRIANGLES_ADJACENCY) |
BITFIELD_BIT(MESA_PRIM_TRIANGLE_STRIP_ADJACENCY);
v3d_init_shader_caps(screen);
v3d_init_compute_caps(screen);
v3d_init_screen_caps(screen);
return pscreen;