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| author | nanahi <130121847+na-na-hi@users.noreply.github.com> | 2024-02-16 01:08:43 -0500 |
|---|---|---|
| committer | Dudemanguy <random342@airmail.cc> | 2024-02-17 16:06:33 +0000 |
| commit | 095038b1bc0e997846d00bfe32fd4eceeddbedb4 (patch) | |
| tree | 389e64258b32a00283564656eb9bcc30a9fe2288 | |
| parent | 8de67a4af50f9c51a4b643a5cbf343e656d27a27 (diff) | |
| download | mpv-095038b1bc0e997846d00bfe32fd4eceeddbedb4.tar.bz2 mpv-095038b1bc0e997846d00bfe32fd4eceeddbedb4.tar.xz | |
opengl/context_win: make --alpha runtime changeable
Same as d3d11, but since SetPixelFormat can be only called once,
cAlphaBits in PIXELFORMATDESCRIPTOR must be set to make this work.
| -rw-r--r-- | video/out/opengl/context_win.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/video/out/opengl/context_win.c b/video/out/opengl/context_win.c index 17b1cb491a..a582e2834e 100644 --- a/video/out/opengl/context_win.c +++ b/video/out/opengl/context_win.c @@ -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, }; |