123 lines
4.5 KiB
C
123 lines
4.5 KiB
C
/*
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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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#include "util/driconf.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 && modifiers_count > 0 &&
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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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if (image->base.version >= 19 && image->createImageWithModifiers2)
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return image->createImageWithModifiers2(screen, width, height,
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dri_format, modifiers,
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modifiers_count, dri_usage,
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loaderPrivate);
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else
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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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static int dri_vblank_mode(__DRIscreen *driScreen, const __DRI2configQueryExtension *config)
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{
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GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
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if (config)
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config->configQueryi(driScreen, "vblank_mode", &vblank_mode);
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return vblank_mode;
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}
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int dri_get_initial_swap_interval(__DRIscreen *driScreen,
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const __DRI2configQueryExtension *config)
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{
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int vblank_mode = dri_vblank_mode(driScreen, config);
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switch (vblank_mode) {
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case DRI_CONF_VBLANK_NEVER:
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case DRI_CONF_VBLANK_DEF_INTERVAL_0:
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return 0;
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case DRI_CONF_VBLANK_DEF_INTERVAL_1:
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case DRI_CONF_VBLANK_ALWAYS_SYNC:
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default:
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return 1;
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}
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}
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bool dri_valid_swap_interval(__DRIscreen *driScreen,
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const __DRI2configQueryExtension *config, int interval)
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{
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int vblank_mode = dri_vblank_mode(driScreen, config);
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switch (vblank_mode) {
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case DRI_CONF_VBLANK_NEVER:
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if (interval != 0)
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return false;
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break;
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case DRI_CONF_VBLANK_ALWAYS_SYNC:
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if (interval <= 0)
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return false;
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break;
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default:
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break;
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}
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return true;
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}
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