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gallium/dri2: Support I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS import

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Add support for up to four planes being imported via the
I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS modifier. In the four plane
scenario, two planes are used for the compressed surface and two planes
are used for the compression metadata.

Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6486>
This commit is contained in:
Nanley Chery 2020-04-15 16:30:24 -07:00 • committed by Marge Bot
parent a42bf9a297
commit d686835171
1 changed files with 19 additions and 2 deletions
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21
src/gallium/frontends/dri/dri2.c
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@ -739,6 +739,7 @@ dri2_create_image_from_winsys(__DRIscreen *_screen,
unsigned tex_usage = 0; unsigned tex_usage = 0;
int i; int i;
bool use_lowered = false; bool use_lowered = false;
const unsigned format_planes = util_format_get_num_planes(map->pipe_format);
if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0, if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0,
PIPE_BIND_RENDER_TARGET)) PIPE_BIND_RENDER_TARGET))
@ -773,7 +774,23 @@ dri2_create_image_from_winsys(__DRIscreen *_screen,
templ.depth0 = 1; templ.depth0 = 1;
templ.array_size = 1; templ.array_size = 1;
for (i = (use_lowered ? map->nplanes : num_handles) - 1; i >= 0; i--) { for (i = num_handles - 1; i >= format_planes; i--) {
struct pipe_resource *tex;
templ.next = img->texture;
tex = pscreen->resource_from_handle(pscreen, &templ, &whandle[i],
PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE);
if (!tex) {
pipe_resource_reference(&img->texture, NULL);
FREE(img);
return NULL;
}
img->texture = tex;
}
for (i = (use_lowered ? map->nplanes : format_planes) - 1; i >= 0; i--) {
struct pipe_resource *tex; struct pipe_resource *tex;
templ.next = img->texture; templ.next = img->texture;
@ -891,7 +908,7 @@ dri2_create_image_from_fd(__DRIscreen *_screen,
int *strides, int *offsets, unsigned *error, int *strides, int *offsets, unsigned *error,
void *loaderPrivate) void *loaderPrivate)
{ {
struct winsys_handle whandles[3]; struct winsys_handle whandles[4];
const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc); const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
__DRIimage *img = NULL; __DRIimage *img = NULL;
unsigned err = __DRI_IMAGE_ERROR_SUCCESS; unsigned err = __DRI_IMAGE_ERROR_SUCCESS;