static __DRIimage *
intel_create_image_from_renderbuffer(__DRIcontext *context,
int renderbuffer, void *loaderPrivate)
{
__DRIimage *image;
struct intel_context *intel = context->driverPrivate;
struct gl_renderbuffer *rb;
struct intel_renderbuffer *irb;
rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer);
if (!rb) {
_mesa_error(&intel->ctx,
GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
return NULL;
}
irb = intel_renderbuffer(rb);
image = calloc(1, sizeof *image);
if (image == NULL)
return NULL;
image->internal_format = rb->InternalFormat;
image->format = rb->Format;
image->offset = 0;
image->data = loaderPrivate;
intel_region_reference(&image->region, irb->mt->region);
intel_setup_image_from_dimensions(image);
image->dri_format = intel_dri_format(image->format);
rb->NeedsFinishRenderTexture = true;
return image;
}
static __DRIimage *
intel_create_image(__DRIscreen *screen,
int width, int height, int format,
unsigned int use,
void *loaderPrivate)
{
__DRIimage *image;
struct intel_screen *intelScreen = screen->driverPrivate;
uint32_t tiling;
int cpp;
tiling = I915_TILING_X;
if (use & __DRI_IMAGE_USE_CURSOR) {
if (width != 64 || height != 64)
return NULL;
tiling = I915_TILING_NONE;
}
image = intel_allocate_image(format, loaderPrivate);
if (image == NULL)
return NULL;
cpp = _mesa_get_format_bytes(image->format);
image->region =
intel_region_alloc(intelScreen, tiling, cpp, width, height, true);
if (image->region == NULL) {
free(image);
return NULL;
}
intel_setup_image_from_dimensions(image);
return image;
}
static __DRIimage *
intel_create_image_from_name(__DRIscreen *screen,
int width, int height, int format,
int name, int pitch, void *loaderPrivate)
{
struct intel_screen *intelScreen = screen->driverPrivate;
__DRIimage *image;
int cpp;
image = intel_allocate_image(format, loaderPrivate);
if (image == NULL)
return NULL;
if (image->format == MESA_FORMAT_NONE)
cpp = 1;
else
cpp = _mesa_get_format_bytes(image->format);
image->region = intel_region_alloc_for_handle(intelScreen,
cpp, width, height,
pitch * cpp, name, "image");
if (image->region == NULL) {
free(image);
return NULL;
}
intel_setup_image_from_dimensions(image);
return image;
}
static __DRIimage *
intel_from_planar(__DRIimage *parent, int plane, void *loaderPrivate)
{
int width, height, offset, stride, dri_format, index;
struct intel_image_format *f;
uint32_t mask_x, mask_y;
__DRIimage *image;
if (parent == NULL || parent->planar_format == NULL)
return NULL;
f = parent->planar_format;
if (plane >= f->nplanes)
return NULL;
width = parent->region->width >> f->planes[plane].width_shift;
height = parent->region->height >> f->planes[plane].height_shift;
dri_format = f->planes[plane].dri_format;
index = f->planes[plane].buffer_index;
offset = parent->offsets[index];
stride = parent->strides[index];
image = intel_allocate_image(dri_format, loaderPrivate);
if (image == NULL)
return NULL;
if (offset + height * stride > parent->region->bo->size) {
_mesa_warning(NULL, "intel_create_sub_image: subimage out of bounds");
free(image);
return NULL;
}
image->region = calloc(sizeof(*image->region), 1);
if (image->region == NULL) {
free(image);
return NULL;
}
image->region->cpp = _mesa_get_format_bytes(image->format);
image->region->width = width;
image->region->height = height;
image->region->pitch = stride;
image->region->refcount = 1;
image->region->bo = parent->region->bo;
drm_intel_bo_reference(image->region->bo);
image->region->tiling = parent->region->tiling;
image->offset = offset;
intel_setup_image_from_dimensions(image);
intel_region_get_tile_masks(image->region, &mask_x, &mask_y, false);
if (offset & mask_x)
_mesa_warning(NULL,
"intel_create_sub_image: offset not on tile boundary");
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 = NULL;
__DRIimage *image;
int i, index;
if (fds == NULL || num_fds != 1)
return NULL;
for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) {
if (intel_image_formats[i].fourcc == fourcc) {
f = &intel_image_formats[i];
}
}
if (f == NULL)
return NULL;
image = intel_allocate_image(__DRI_IMAGE_FORMAT_NONE, loaderPrivate);
if (image == NULL)
return NULL;
image->region = intel_region_alloc_for_fd(intelScreen,
f->planes[0].cpp, width, height, strides[0],
height * strides[0], fds[0], "image");
if (image->region == NULL) {
free(image);
return NULL;
}
intel_setup_image_from_dimensions(image);
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;
}
