static const uint32_t render_target_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888 };
+static const uint32_t texture_only_formats[] = { DRM_FORMAT_NV12, DRM_FORMAT_YVU420 };
+
static int vc4_init(struct driver *drv)
{
drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
&LINEAR_METADATA, BO_USE_RENDER_MASK);
+ drv_add_combinations(drv, texture_only_formats, ARRAY_SIZE(texture_only_formats),
+ &LINEAR_METADATA, BO_USE_TEXTURE_MASK);
+ /*
+ * Chrome uses DMA-buf mmap to write to YV12 buffers, which are then accessed by the
+ * Video Encoder Accelerator (VEA). It could also support NV12 potentially in the future.
+ */
+ drv_modify_combination(drv, DRM_FORMAT_YVU420, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER);
+ drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA,
+ BO_USE_HW_VIDEO_DECODER | BO_USE_SCANOUT | BO_USE_HW_VIDEO_ENCODER);
+
return drv_modify_linear_combinations(drv);
}
int ret;
size_t plane;
uint32_t stride;
- struct drm_vc4_create_bo bo_create;
+ struct drm_vc4_create_bo bo_create = { 0 };
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
stride = ALIGN(stride, 64);
drv_bo_from_format(bo, stride, height, format);
- memset(&bo_create, 0, sizeof(bo_create));
bo_create.size = bo->meta.total_size;
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_VC4_CREATE_BO, &bo_create);
static void *vc4_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags)
{
int ret;
- struct drm_vc4_mmap_bo bo_map;
+ struct drm_vc4_mmap_bo bo_map = { 0 };
- memset(&bo_map, 0, sizeof(bo_map));
bo_map.handle = bo->handles[0].u32;
-
ret = drmCommandWriteRead(bo->drv->fd, DRM_VC4_MMAP_BO, &bo_map, sizeof(bo_map));
if (ret) {
drv_log("DRM_VC4_MMAP_BO failed\n");