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path: root/video/out/vulkan/context_win.c
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/*
 * This file is part of mpv.
 *
 * mpv is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * mpv is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "video/out/gpu/context.h"
#include "video/out/w32_common.h"

#include "common.h"
#include "context.h"
#include "utils.h"

EXTERN_C IMAGE_DOS_HEADER __ImageBase;
#define HINST_THISCOMPONENT ((HINSTANCE)&__ImageBase)

struct priv {
    struct mpvk_ctx vk;
};

static void win_uninit(struct ra_ctx *ctx)
{
    struct priv *p = ctx->priv;

    ra_vk_ctx_uninit(ctx);
    mpvk_uninit(&p->vk);
    vo_w32_uninit(ctx->vo);
}

static bool win_init(struct ra_ctx *ctx)
{
    struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
    struct mpvk_ctx *vk = &p->vk;
    int msgl = ctx->opts.probing ? MSGL_V : MSGL_ERR;

    if (!mpvk_instance_init(vk, ctx->log, VK_KHR_WIN32_SURFACE_EXTENSION_NAME,
                            ctx->opts.debug))
        goto error;

    if (!vo_w32_init(ctx->vo))
        goto error;

    VkWin32SurfaceCreateInfoKHR wininfo = {
         .sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR,
         .hinstance = HINST_THISCOMPONENT,
         .hwnd = vo_w32_hwnd(ctx->vo),
    };

    VkResult res = vkCreateWin32SurfaceKHR(vk->inst, &wininfo, MPVK_ALLOCATOR,
                                           &vk->surf);
    if (res != VK_SUCCESS) {
        MP_MSG(ctx, msgl, "Failed creating Windows surface: %s\n", vk_err(res));
        goto error;
    }

    if (!ra_vk_ctx_init(ctx, vk, VK_PRESENT_MODE_FIFO_KHR))
        goto error;

    return true;

error:
    win_uninit(ctx);
    return false;
}

static bool resize(struct ra_ctx *ctx)
{
    return ra_vk_ctx_resize(ctx->swapchain, ctx->vo->dwidth, ctx->vo->dheight);
}

static bool win_reconfig(struct ra_ctx *ctx)
{
    vo_w32_config(ctx->vo);
    return resize(ctx);
}

static int win_control(struct ra_ctx *ctx, int *events, int request, void *arg)
{
    int ret = vo_w32_control(ctx->vo, events, request, arg);
    if (*events & VO_EVENT_RESIZE) {
        if (!resize(ctx))
            return VO_ERROR;
    }
    return ret;
}

const struct ra_ctx_fns ra_ctx_vulkan_win = {
    .type           = "vulkan",
    .name           = "winvk",
    .reconfig       = win_reconfig,
    .control        = win_control,
    .init           = win_init,
    .uninit         = win_uninit,
};