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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 "common/msg.h"
#include "options/m_config.h"
#include "osdep/windows_utils.h"
#include "video/out/gpu/context.h"
#include "video/out/gpu/d3d11_helpers.h"
#include "video/out/gpu/spirv.h"
#include "video/out/w32_common.h"
#include "ra_d3d11.h"
struct d3d11_opts {
int feature_level;
int warp;
int flip;
int sync_interval;
};
#define OPT_BASE_STRUCT struct d3d11_opts
const struct m_sub_options d3d11_conf = {
.opts = (const struct m_option[]) {
OPT_CHOICE("d3d11-warp", warp, 0,
({"auto", -1},
{"no", 0},
{"yes", 1})),
OPT_CHOICE("d3d11-feature-level", feature_level, 0,
({"12_1", D3D_FEATURE_LEVEL_12_1},
{"12_0", D3D_FEATURE_LEVEL_12_0},
{"11_1", D3D_FEATURE_LEVEL_11_1},
{"11_0", D3D_FEATURE_LEVEL_11_0},
{"10_1", D3D_FEATURE_LEVEL_10_1},
{"10_0", D3D_FEATURE_LEVEL_10_0},
{"9_3", D3D_FEATURE_LEVEL_9_3},
{"9_2", D3D_FEATURE_LEVEL_9_2},
{"9_1", D3D_FEATURE_LEVEL_9_1})),
OPT_FLAG("d3d11-flip", flip, 0),
OPT_INTRANGE("d3d11-sync-interval", sync_interval, 0, 0, 4),
{0}
},
.defaults = &(const struct d3d11_opts) {
.feature_level = D3D_FEATURE_LEVEL_12_1,
.warp = -1,
.flip = 1,
.sync_interval = 1,
},
.size = sizeof(struct d3d11_opts)
};
struct priv {
struct d3d11_opts *opts;
struct ra_tex *backbuffer;
ID3D11Device *device;
IDXGISwapChain *swapchain;
};
static struct ra_tex *get_backbuffer(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
ID3D11Texture2D *backbuffer = NULL;
struct ra_tex *tex = NULL;
HRESULT hr;
hr = IDXGISwapChain_GetBuffer(p->swapchain, 0, &IID_ID3D11Texture2D,
(void**)&backbuffer);
if (FAILED(hr)) {
MP_ERR(ctx, "Couldn't get swapchain image\n");
goto done;
}
tex = ra_d3d11_wrap_tex(ctx->ra, (ID3D11Resource *)backbuffer);
done:
SAFE_RELEASE(backbuffer);
return tex;
}
static bool resize(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
HRESULT hr;
ra_tex_free(ctx->ra, &p->backbuffer);
hr = IDXGISwapChain_ResizeBuffers(p->swapchain, 0, ctx->vo->dwidth,
ctx->vo->dheight, DXGI_FORMAT_UNKNOWN, 0);
if (FAILED(hr)) {
MP_FATAL(ctx, "Couldn't resize swapchain: %s\n", mp_HRESULT_to_str(hr));
return false;
}
p->backbuffer = get_backbuffer(ctx);
return true;
}
static bool d3d11_reconfig(struct ra_ctx *ctx)
{
vo_w32_config(ctx->vo);
return resize(ctx);
}
static int d3d11_color_depth(struct ra_swapchain *sw)
{
return 8;
}
static bool d3d11_start_frame(struct ra_swapchain *sw, struct ra_fbo *out_fbo)
{
struct priv *p = sw->priv;
if (!p->backbuffer)
return false;
*out_fbo = (struct ra_fbo) {
.tex = p->backbuffer,
.flip = false,
};
return true;
}
static bool d3d11_submit_frame(struct ra_swapchain *sw,
const struct vo_frame *frame)
{
ra_d3d11_flush(sw->ctx->ra);
return true;
}
static void d3d11_swap_buffers(struct ra_swapchain *sw)
{
struct priv *p = sw->priv;
IDXGISwapChain_Present(p->swapchain, p->opts->sync_interval, 0);
}
static int d3d11_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;
}
static void d3d11_uninit(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
ra_tex_free(ctx->ra, &p->backbuffer);
SAFE_RELEASE(p->swapchain);
vo_w32_uninit(ctx->vo);
SAFE_RELEASE(p->device);
// Destory the RA last to prevent objects we hold from showing up in D3D's
// leak checker
ctx->ra->fns->destroy(ctx->ra);
}
static const struct ra_swapchain_fns d3d11_swapchain = {
.color_depth = d3d11_color_depth,
.start_frame = d3d11_start_frame,
.submit_frame = d3d11_submit_frame,
.swap_buffers = d3d11_swap_buffers,
};
static bool d3d11_init(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
p->opts = mp_get_config_group(ctx, ctx->global, &d3d11_conf);
struct ra_swapchain *sw = ctx->swapchain = talloc_zero(ctx, struct ra_swapchain);
sw->priv = p;
sw->ctx = ctx;
sw->fns = &d3d11_swapchain;
struct d3d11_device_opts dopts = {
.debug = ctx->opts.debug,
.allow_warp = p->opts->warp != 0,
.force_warp = p->opts->warp == 1,
.max_feature_level = p->opts->feature_level,
.max_frame_latency = ctx->opts.swapchain_depth,
};
if (!mp_d3d11_create_present_device(ctx->log, &dopts, &p->device))
goto error;
if (!spirv_compiler_init(ctx))
goto error;
ctx->ra = ra_d3d11_create(p->device, ctx->log, ctx->spirv);
if (!ctx->ra)
goto error;
if (!vo_w32_init(ctx->vo))
goto error;
struct d3d11_swapchain_opts scopts = {
.window = vo_w32_hwnd(ctx->vo),
.width = ctx->vo->dwidth,
.height = ctx->vo->dheight,
.flip = p->opts->flip,
// Add one frame for the backbuffer and one frame of "slack" to reduce
// contention with the window manager when acquiring the backbuffer
.length = ctx->opts.swapchain_depth + 2,
.usage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
};
if (!mp_d3d11_create_swapchain(p->device, ctx->log, &scopts, &p->swapchain))
goto error;
p->backbuffer = get_backbuffer(ctx);
if (!p->backbuffer)
goto error;
return true;
error:
d3d11_uninit(ctx);
return false;
}
const struct ra_ctx_fns ra_ctx_d3d11 = {
.type = "d3d11",
.name = "d3d11",
.reconfig = d3d11_reconfig,
.control = d3d11_control,
.init = d3d11_init,
.uninit = d3d11_uninit,
};
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