static __DRIimage *
intel_create_image_from_names(__DRIscreen *screen,
int width, int height, int fourcc,
int *names, int num_names,
int *strides, int *offsets,
void *loaderPrivate)
{
struct intel_image_format *f = NULL;
__DRIimage *image;
int i, index;
if (screen == NULL || names == NULL || num_names != 1)
return NULL;
f = intel_image_format_lookup(fourcc);
if (f == NULL)
return NULL;
image = intel_create_image_from_name(screen, width, height,
__DRI_IMAGE_FORMAT_NONE,
names[0], strides[0],
loaderPrivate);
if (image == NULL)
return NULL;
image->planar_format = f;
for (i = 0; i < f->nplanes; i++) {
index = f->planes[i].buffer_index;
image->offsets[index] = offsets[index];
image->strides[index] = strides[index];
}
return image;
}
static __DRIimage *
intel_create_image_from_fds(__DRIscreen *screen,
int width, int height, int fourcc,
int *fds, int num_fds, int *strides, int *offsets,
void *loaderPrivate)
{
struct intel_screen *intelScreen = screen->driverPrivate;
struct intel_image_format *f;
__DRIimage *image;
int i, index;
if (fds == NULL || num_fds != 1)
return NULL;
f = intel_image_format_lookup(fourcc);
if (f == NULL)
return NULL;
if (f->nplanes == 1)
image = intel_allocate_image(f->planes[0].dri_format, loaderPrivate);
else
image = intel_allocate_image(__DRI_IMAGE_FORMAT_NONE, loaderPrivate);
if (image == NULL)
return NULL;
image->bo = drm_intel_bo_gem_create_from_prime(intelScreen->bufmgr,
fds[0],
height * strides[0]);
if (image->bo == NULL) {
free(image);
return NULL;
}
image->width = width;
image->height = height;
image->pitch = strides[0];
image->planar_format = f;
for (i = 0; i < f->nplanes; i++) {
index = f->planes[i].buffer_index;
image->offsets[index] = offsets[index];
image->strides[index] = strides[index];
}
if (f->nplanes == 1) {
image->offset = image->offsets[0];
intel_image_warn_if_unaligned(image, __func__);
}
return image;
}
static __DRIimage *
intel_create_image_from_fds(__DRIscreen *screen,
int width, int height, int fourcc,
int *fds, int num_fds, int *strides, int *offsets,
void *loaderPrivate)
{
struct intel_screen *intelScreen = screen->driverPrivate;
struct intel_image_format *f;
__DRIimage *image;
int i, index;
if (fds == NULL || num_fds != 1)
return NULL;
f = intel_image_format_lookup(fourcc);
if (f == NULL)
return NULL;
if (f->nplanes == 1)
image = intel_allocate_image(f->planes[0].dri_format, loaderPrivate);
else
image = intel_allocate_image(__DRI_IMAGE_FORMAT_NONE, loaderPrivate);
if (image == NULL)
return NULL;
image->region = intel_region_alloc_for_fd(intelScreen,
1, width, height,
strides[0], fds[0], "image");
if (image->region == NULL) {
free(image);
return NULL;
}
image->planar_format = f;
for (i = 0; i < f->nplanes; i++) {
index = f->planes[i].buffer_index;
image->offsets[index] = offsets[index];
image->strides[index] = strides[index];
}
intel_setup_image_from_dimensions(image);
return image;
}
static __DRIimage *
intel_create_image_from_dma_bufs(__DRIscreen *screen,
int width, int height, int fourcc,
int *fds, int num_fds,
int *strides, int *offsets,
enum __DRIYUVColorSpace yuv_color_space,
enum __DRISampleRange sample_range,
enum __DRIChromaSiting horizontal_siting,
enum __DRIChromaSiting vertical_siting,
unsigned *error,
void *loaderPrivate)
{
__DRIimage *image;
struct intel_image_format *f = intel_image_format_lookup(fourcc);
/* For now only packed formats that have native sampling are supported. */
if (!f || f->nplanes != 1) {
*error = __DRI_IMAGE_ERROR_BAD_MATCH;
return NULL;
}
image = intel_create_image_from_fds(screen, width, height, fourcc, fds,
num_fds, strides, offsets,
loaderPrivate);
/*
* Invalid parameters and any inconsistencies between are assumed to be
* checked by the caller. Therefore besides unsupported formats one can fail
* only in allocation.
*/
if (!image) {
*error = __DRI_IMAGE_ERROR_BAD_ALLOC;
return NULL;
}
image->dma_buf_imported = true;
image->yuv_color_space = yuv_color_space;
image->sample_range = sample_range;
image->horizontal_siting = horizontal_siting;
image->vertical_siting = vertical_siting;
*error = __DRI_IMAGE_ERROR_SUCCESS;
return image;
}