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broadcom/simulator: add helper to get stride alignment

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Some GPUs, like AMD, has specific stride align requirements in order to
display the content correctly.

Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Signed-off-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37887>
This commit is contained in:
Juan A. Suarez Romero 2025-10-24 13:56:16 +02:00 • committed by Marge Bot
parent 5947eae0af
commit d48b276acd
2 changed files with 17 additions and 0 deletions
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16
src/broadcom/simulator/v3d_simulator.c
View file

@ -123,6 +123,9 @@ struct v3d_simulator_file {
/** For specific gpus, use their create ioctl. Otherwise use dumb bo. */
enum gem_type gem_type;
/** The stride alignment required for raster textures. */
uint32_t raster_stride_align;
};
/** Wrapper for drm_v3d_bo tracking the simulator-specific state. */
@ -1161,6 +1164,13 @@ v3d_simulator_get_mem_free(void)
return total_free;
}
uint32_t
v3d_simulator_get_raster_stride_align(int fd)
{
struct v3d_simulator_file *file = v3d_get_simulator_file_for_fd(fd);
return file->raster_stride_align;
}
static void
v3d_simulator_init_global()
{
@ -1218,6 +1228,12 @@ v3d_simulator_init(int fd)
sim_file->gem_type = GEM_ASAHI;
else
sim_file->gem_type = GEM_DUMB;
if (sim_file->gem_type == GEM_AMDGPU)
sim_file->raster_stride_align = 256;
else
sim_file->raster_stride_align = 1;
drmFreeVersion(version);
sim_file->bo_map =

1
src/broadcom/simulator/v3d_simulator.h
View file

@ -41,6 +41,7 @@ int v3d_simulator_ioctl(int fd, unsigned long request, void *arg);
void v3d_simulator_open_from_handle(int fd, int handle, uint32_t size);
uint32_t v3d_simulator_get_mem_size(void);
uint32_t v3d_simulator_get_mem_free(void);
uint32_t v3d_simulator_get_raster_stride_align(int fd);
#ifdef v3dX
# include "v3dx_simulator.h"