69 lines
3.0 KiB
C
69 lines
3.0 KiB
C
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/*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <errno.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <GL/gl.h> /* dri_interface needs GL types */
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#include <GL/internal/dri_interface.h>
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#include "drm-uapi/drm_fourcc.h"
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#include "loader_dri_helper.h"
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__DRIimage *loader_dri_create_image(__DRIscreen *screen,
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const __DRIimageExtension *image,
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uint32_t width, uint32_t height,
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uint32_t dri_format, uint32_t dri_usage,
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const uint64_t *modifiers,
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unsigned int modifiers_count,
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void *loaderPrivate)
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{
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if (modifiers &&
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image->base.version > 14 && image->createImageWithModifiers) {
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bool has_valid_modifier = false;
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int i;
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/* It's acceptable to create an image with INVALID modifier in the list,
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* but it cannot be on the only modifier (since it will certainly fail
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* later). While we could easily catch this after modifier creation, doing
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* the check here is a convenient debug check likely pointing at whatever
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* interface the client is using to build its modifier list.
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*/
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for (i = 0; i < modifiers_count; i++) {
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if (modifiers[i] != DRM_FORMAT_MOD_INVALID) {
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has_valid_modifier = true;
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break;
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}
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}
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if (!has_valid_modifier)
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return NULL;
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return image->createImageWithModifiers(screen, width, height,
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dri_format, modifiers,
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modifiers_count, loaderPrivate);
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}
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/* No modifier given or fallback to the legacy createImage allowed */
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return image->createImage(screen, width, height, dri_format, dri_usage,
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loaderPrivate);
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}
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