mirror/mpv
0
0
Fork 0
mirror of https://github.com/mpv-player/mpv.git synced 2024-09-20 12:02:23 +02:00
Code

opengl/context_win: make --alpha runtime changeable

Browse Source 
Same as d3d11, but since SetPixelFormat can be only called once,
cAlphaBits in PIXELFORMATDESCRIPTOR must be set to make this work.
This commit is contained in:
nanahi 2024-02-16 01:08:43 -05:00 committed by Dudemanguy
parent 8de67a4af5
commit 095038b1bc
1 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
video/out/opengl/context_win.c
View File

@ -96,8 +96,7 @@ static bool create_dc(struct ra_ctx *ctx)
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
if (ctx->opts.want_alpha)
pfd.cAlphaBits = 8;
pfd.cAlphaBits = 8;
pfd.iLayerType = PFD_MAIN_PLANE;
int pf = ChoosePixelFormat(hdc, &pfd);
@ -373,11 +372,17 @@ static int wgl_control(struct ra_ctx *ctx, int *events, int request, void *arg)
return ret;
}
static void wgl_update_render_opts(struct ra_ctx *ctx)
{
vo_w32_set_transparency(ctx->vo, ctx->opts.want_alpha);
}
const struct ra_ctx_fns ra_ctx_wgl = {
.type = "opengl",
.name = "win",
.init = wgl_init,
.reconfig = wgl_reconfig,
.control = wgl_control,
.uninit = wgl_uninit,
.type = "opengl",
.name = "win",
.init = wgl_init,
.reconfig = wgl_reconfig,
.control = wgl_control,
.update_render_opts = wgl_update_render_opts,
.uninit = wgl_uninit,
};