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llvmpipe: 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: Konstantin Seurer <konstantin.seurer@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33176>
This commit is contained in:
Qiang Yu 2025-01-17 15:13:02 +08:00
parent 3450274f78
commit a65b74af51
1 changed files with 75 additions and 2 deletions
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77
src/gallium/drivers/llvmpipe/lp_screen.c
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@ -282,6 +282,77 @@ llvmpipe_get_compute_param(struct pipe_screen *_screen,
} }
static void
llvmpipe_init_shader_caps(struct pipe_screen *screen)
{
for (unsigned i = 0; i < ARRAY_SIZE(screen->shader_caps); i++) {
struct pipe_shader_caps *caps = (struct pipe_shader_caps *)&screen->shader_caps[i];
switch (i) {
case PIPE_SHADER_FRAGMENT:
case PIPE_SHADER_COMPUTE:
case PIPE_SHADER_MESH:
case PIPE_SHADER_TASK:
gallivm_init_shader_caps(caps);
break;
case PIPE_SHADER_TESS_CTRL:
case PIPE_SHADER_TESS_EVAL:
/* Tessellation shader needs llvm coroutines support */
if (!GALLIVM_COROUTINES)
continue;
FALLTHROUGH;
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
draw_init_shader_caps(caps);
if (debug_get_bool_option("DRAW_USE_LLVM", true)) {
caps->max_const_buffers = LP_MAX_TGSI_CONST_BUFFERS;
} else {
/* At this time, the draw module and llvmpipe driver only
* support vertex shader texture lookups when LLVM is enabled in
* the draw module.
*/
caps->max_texture_samplers = 0;
caps->max_sampler_views = 0;
}
break;
default:
break;
}
}
}
static void
llvmpipe_init_compute_caps(struct pipe_screen *screen)
{
struct pipe_compute_caps *caps = (struct pipe_compute_caps *)&screen->compute_caps;
caps->max_grid_size[0] =
caps->max_grid_size[1] =
caps->max_grid_size[2] = 65535;
caps->max_block_size[0] =
caps->max_block_size[1] =
caps->max_block_size[2] = 1024;
caps->max_threads_per_block = 1024;
caps->max_local_size = 32768;
caps->grid_dimension = 3;
caps->max_global_size = 1 << 31;
caps->max_mem_alloc_size = 1 << 31;
caps->max_private_size = 1 << 31;
caps->max_input_size = 1576;
caps->images_supported = !!LP_MAX_TGSI_SHADER_IMAGES;
caps->subgroup_sizes = lp_native_vector_width / 32;
caps->max_subgroups = 1024 / (lp_native_vector_width / 32);
caps->max_compute_units = 8;
caps->max_clock_frequency = 300;
caps->address_bits = sizeof(void*) * 8;
}
static void static void
llvmpipe_init_screen_caps(struct pipe_screen *screen) llvmpipe_init_screen_caps(struct pipe_screen *screen)
{ {
@ -1093,8 +1164,6 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
screen->fd_mem_alloc = os_create_anonymous_file(0, "allocation fd"); screen->fd_mem_alloc = os_create_anonymous_file(0, "allocation fd");
#endif #endif
llvmpipe_init_screen_caps(&screen->base);
snprintf(screen->renderer_string, sizeof(screen->renderer_string), snprintf(screen->renderer_string, sizeof(screen->renderer_string),
"llvmpipe (LLVM " MESA_LLVM_VERSION_STRING ", %u bits)", "llvmpipe (LLVM " MESA_LLVM_VERSION_STRING ", %u bits)",
lp_build_init_native_width() ); lp_build_init_native_width() );
@ -1106,5 +1175,9 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
(void) mtx_init(&screen->late_mutex, mtx_plain); (void) mtx_init(&screen->late_mutex, mtx_plain);
llvmpipe_init_shader_caps(&screen->base);
llvmpipe_init_compute_caps(&screen->base);
llvmpipe_init_screen_caps(&screen->base);
return &screen->base; return &screen->base;
} }