136 lines
3.3 KiB
C
136 lines
3.3 KiB
C
/*
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* Copyright © 2014 NVIDIA Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <string.h>
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#include "libkms-test.h"
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static int kms_plane_probe(struct kms_plane *plane)
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{
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struct kms_device *device = plane->device;
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drmModeObjectPropertiesPtr props;
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drmModePlane *p;
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unsigned int i;
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p = drmModeGetPlane(device->fd, plane->id);
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if (!p)
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return -ENODEV;
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/* TODO: allow dynamic assignment to CRTCs */
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if (p->crtc_id == 0) {
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for (i = 0; i < device->num_crtcs; i++) {
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if (p->possible_crtcs & (1 << i)) {
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p->crtc_id = device->crtcs[i]->id;
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break;
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}
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}
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}
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for (i = 0; i < device->num_crtcs; i++) {
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if (device->crtcs[i]->id == p->crtc_id) {
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plane->crtc = device->crtcs[i];
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break;
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}
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}
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plane->formats = calloc(p->count_formats, sizeof(uint32_t));
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if (!plane->formats)
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return -ENOMEM;
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for (i = 0; i < p->count_formats; i++)
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plane->formats[i] = p->formats[i];
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plane->num_formats = p->count_formats;
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drmModeFreePlane(p);
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props = drmModeObjectGetProperties(device->fd, plane->id,
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DRM_MODE_OBJECT_PLANE);
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if (!props)
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return -ENODEV;
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for (i = 0; i < props->count_props; i++) {
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drmModePropertyPtr prop;
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prop = drmModeGetProperty(device->fd, props->props[i]);
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if (prop) {
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if (strcmp(prop->name, "type") == 0)
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plane->type = props->prop_values[i];
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drmModeFreeProperty(prop);
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}
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}
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drmModeFreeObjectProperties(props);
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return 0;
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}
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struct kms_plane *kms_plane_create(struct kms_device *device, uint32_t id)
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{
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struct kms_plane *plane;
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plane = calloc(1, sizeof(*plane));
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if (!plane)
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return NULL;
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plane->device = device;
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plane->id = id;
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kms_plane_probe(plane);
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return plane;
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}
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void kms_plane_free(struct kms_plane *plane)
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{
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free(plane);
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}
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int kms_plane_set(struct kms_plane *plane, struct kms_framebuffer *fb,
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unsigned int x, unsigned int y)
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{
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struct kms_device *device = plane->device;
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int err;
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err = drmModeSetPlane(device->fd, plane->id, plane->crtc->id, fb->id,
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0, x, y, fb->width, fb->height, 0 << 16,
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0 << 16, fb->width << 16, fb->height << 16);
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if (err < 0)
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return -errno;
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return 0;
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}
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bool kms_plane_supports_format(struct kms_plane *plane, uint32_t format)
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{
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unsigned int i;
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for (i = 0; i < plane->num_formats; i++)
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if (plane->formats[i] == format)
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return true;
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return false;
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}
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