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crocus: 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 2025-01-16 16:39:22 +08:00
parent 1b348d3a3e
commit 9a9a61a143
1 changed files with 99 additions and 0 deletions
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99
src/gallium/drivers/crocus/crocus_screen.c
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@ -297,6 +297,103 @@ crocus_get_compute_param(struct pipe_screen *pscreen,
}
}
static void
crocus_init_shader_caps(struct crocus_screen *screen)
{
const struct intel_device_info *devinfo = &screen->devinfo;
for (unsigned i = 0; i <= PIPE_SHADER_COMPUTE; i++) {
struct pipe_shader_caps *caps =
(struct pipe_shader_caps *)&screen->base.shader_caps[i];
if (devinfo->ver < 6 &&
i != PIPE_SHADER_VERTEX &&
i != PIPE_SHADER_FRAGMENT)
continue;
if (devinfo->ver == 6 &&
i != PIPE_SHADER_VERTEX &&
i != PIPE_SHADER_FRAGMENT &&
i != PIPE_SHADER_GEOMETRY)
continue;
caps->max_instructions = i == MESA_SHADER_FRAGMENT ? 1024 : 16384;
caps->max_alu_instructions =
caps->max_tex_instructions =
caps->max_tex_indirections = i == MESA_SHADER_FRAGMENT ? 1024 : 0;
caps->max_control_flow_depth = UINT_MAX;
/* Gen7 vec4 geom backend */
caps->max_inputs = i == MESA_SHADER_VERTEX || i == MESA_SHADER_GEOMETRY ? 16 : 32;
caps->max_outputs = 32;
caps->max_const_buffer0_size = 16 * 1024 * sizeof(float);
caps->max_const_buffers = devinfo->ver >= 6 ? 16 : 1;
caps->max_temps = 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
/* Lie about these to avoid st/mesa's GLSL IR lowering of indirects,
* which we don't want. Our compiler backend will check elk_compiler's
* options and call nir_lower_indirect_derefs appropriately anyway.
*/
caps->indirect_temp_addr = true;
caps->indirect_const_addr = true;
caps->integers = true;
caps->max_texture_samplers =
caps->max_sampler_views =
(devinfo->verx10 >= 75) ? CROCUS_MAX_TEXTURE_SAMPLERS : 16;
if (devinfo->ver >= 7 &&
(i == PIPE_SHADER_FRAGMENT || i == PIPE_SHADER_COMPUTE))
caps->max_shader_images = CROCUS_MAX_TEXTURE_SAMPLERS;
caps->max_shader_buffers =
devinfo->ver >= 7 ? (CROCUS_MAX_ABOS + CROCUS_MAX_SSBOS) : 0;
caps->supported_irs = 1 << PIPE_SHADER_IR_NIR;
}
}
static void
crocus_init_compute_caps(struct crocus_screen *screen)
{
struct pipe_compute_caps *caps =
(struct pipe_compute_caps *)&screen->base.compute_caps;
const struct intel_device_info *devinfo = &screen->devinfo;
if (devinfo->ver < 7)
return;
const uint32_t max_invocations = 32 * devinfo->max_cs_workgroup_threads;
caps->address_bits = 32;
snprintf(caps->ir_target, sizeof(caps->ir_target), "gen");
caps->grid_dimension = 3;
caps->max_grid_size[0] =
caps->max_grid_size[1] =
caps->max_grid_size[2] = 65535;
/* MaxComputeWorkGroupSize[0..2] */
caps->max_block_size[0] =
caps->max_block_size[1] =
caps->max_block_size[2] = max_invocations;
/* MaxComputeWorkGroupInvocations */
caps->max_threads_per_block = max_invocations;
/* MaxComputeSharedMemorySize */
caps->max_local_size = 64 * 1024;
caps->images_supported = true;
caps->subgroup_sizes = ELK_SUBGROUP_SIZE;
caps->max_variable_threads_per_block = max_invocations;
}
static void
crocus_init_screen_caps(struct crocus_screen *screen)
{
@ -725,6 +822,8 @@ crocus_screen_create(int fd, const struct pipe_screen_config *config)
pscreen->get_driver_query_group_info = crocus_get_monitor_group_info;
pscreen->get_driver_query_info = crocus_get_monitor_info;
crocus_init_shader_caps(screen);
crocus_init_compute_caps(screen);
crocus_init_screen_caps(screen);
genX_call(&screen->devinfo, crocus_init_screen_state, screen);