79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
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/*
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* Copyright © 2022 Imagination Technologies Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* 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 THE
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* 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 FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <stdbool.h>
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#include <vulkan/vulkan.h>
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#include <xf86drm.h>
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#include "powervr/pvr_drm_public.h"
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#include "pvr_private.h"
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#include "pvr_winsys.h"
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#include "vk_log.h"
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#if defined(PVR_SUPPORT_SERVICES_DRIVER)
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# include "pvrsrvkm/pvr_srv_public.h"
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#endif
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void pvr_winsys_destroy(struct pvr_winsys *ws)
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{
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ws->ops->destroy(ws);
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}
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struct pvr_winsys *pvr_winsys_create(int master_fd,
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int render_fd,
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const VkAllocationCallbacks *alloc)
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{
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#if defined(PVR_SUPPORT_SERVICES_DRIVER)
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drmVersionPtr version;
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bool services_driver;
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version = drmGetVersion(render_fd);
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if (!version) {
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vk_errorf(NULL,
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VK_ERROR_INCOMPATIBLE_DRIVER,
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"Failed to query kernel driver version for device.");
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return NULL;
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}
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if (strcmp(version->name, "pvr") == 0) {
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services_driver = true;
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} else if (strcmp(version->name, "powervr") == 0) {
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services_driver = false;
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} else {
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drmFreeVersion(version);
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vk_errorf(
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NULL,
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VK_ERROR_INCOMPATIBLE_DRIVER,
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"Device does not use any of the supported pvrsrvkm or powervr kernel driver.");
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return NULL;
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}
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drmFreeVersion(version);
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if (services_driver)
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return pvr_srv_winsys_create(master_fd, render_fd, alloc);
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#endif
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return pvr_drm_winsys_create(master_fd, render_fd, alloc);
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}
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