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hook: Wrap GBM_BO_IMPORT_FD_MODIFIER for old mali

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Tested on RK3399 EVB with:
chromium demo.mp4

Change-Id: Ic3f40a4a29bd6bf7a9630cd15866bfc778a07d2e
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
This commit is contained in:
Jeffy Chen 2025-04-17 18:43:07 +08:00
parent 7c02ab45de
commit 1e45b0960a
1 changed files with 60 additions and 1 deletions
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61
hook/hook.c
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@ -23,8 +23,11 @@
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <xf86drm.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <xf86drm.h>
#ifdef HAS_GBM
#include <gbm.h>
@ -54,6 +57,8 @@
#define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1)
#endif
#define ROUND_UP_N(num, align) ((((num) + ((align) - 1)) & ~((align) - 1)))
/* A stub symbol to ensure that the hook library would not be removed as unused */
int mali_injected = 0;
@ -97,6 +102,7 @@ static union gbm_bo_handle (* _gbm_bo_get_handle)(struct gbm_bo *bo) = NULL;
#ifndef HAS_gbm_bo_get_fd_for_plane
static int (* _gbm_bo_get_fd)(struct gbm_bo *bo) = NULL;
#endif
static struct gbm_bo *(* _gbm_bo_import)(struct gbm_device *gbm, uint32_t type, void *buffer, uint32_t flags) = NULL;
#endif
#ifdef HAS_EGL
@ -155,6 +161,7 @@ static struct {
#ifndef HAS_gbm_bo_get_fd_for_plane
MALI_SYMBOL(gbm_bo_get_fd),
#endif
MALI_SYMBOL(gbm_bo_import),
#endif
#ifdef HAS_EGL
MALI_SYMBOL(eglGetCurrentSurface),
@ -556,6 +563,58 @@ gbm_bo_create(struct gbm_device *gbm,
return _gbm_bo_create(gbm, width, height, format, flags);
}
/* Wrapper for unsupported GBM_BO_IMPORT_FD_MODIFIER */
struct gbm_bo *
gbm_bo_import(struct gbm_device *gbm, uint32_t type,
void *buffer, uint32_t flags)
{
struct gbm_import_fd_modifier_data *mod_data;
struct gbm_import_fd_data data = {0};
struct gbm_bo *bo;
bo = _gbm_bo_import(gbm, type, buffer, flags);
if (bo || type != GBM_BO_IMPORT_FD_MODIFIER)
return bo;
mod_data = buffer;
if (!can_ignore_modifiers(&mod_data->modifier, 1) || mod_data->offsets[0])
return NULL;
data.fd = mod_data->fds[0];
data.width = mod_data->width;
data.height = mod_data->height;
data.stride = mod_data->strides[0];
data.format = mod_data->format;
if (mod_data->num_fds > 1) {
struct stat stat, tmp_stat;
int offset, i;
/* Ensure the dma-bufs are the same. */
if (fstat(data.fd, &stat))
return NULL;
for (i = 1, offset = 0; i < mod_data->num_fds; i++) {
if (fstat(mod_data->fds[i], &tmp_stat))
return NULL;
if ((stat.st_dev != tmp_stat.st_dev) ||
(stat.st_ino != tmp_stat.st_ino))
return NULL;
if (mod_data->strides[i] != data.stride &&
mod_data->strides[i] != data.stride / 2)
return NULL;
offset += mod_data->strides[i - 1] * ROUND_UP_N(mod_data->height, 16);
if (mod_data->offsets[i] != offset)
return NULL;
}
}
return _gbm_bo_import(gbm, GBM_BO_IMPORT_FD, (void *)&data, flags);
}
#endif // HAS_GBM
#ifdef HAS_EGL