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vo_gpu: generally allow non-storable FBOs

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We have this cap now thanks to e2976e662, but we don't actually make
sure our FBOs are storable before we blindly attempt using them with
compute shaders.

There's no more need to unconditionally set `storage_dst = true` as long
as we make sure to include an extra condition on the `fbo_format`
selection to prevent users from accidentally enabling
compute-shader-only features with non-storable FBOs, alongside some
other miscellaneous adjustments to eliminate instances of "assumed
storability" from vo_gpu.
This commit is contained in:
Niklas Haas 2020-03-08 21:10:09 +01:00
parent c145c80085
commit c05e5d9d78
2 changed files with 12 additions and 3 deletions
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4
video/out/gpu/utils.c
View File

@ -185,7 +185,7 @@ bool ra_tex_resize(struct ra *ra, struct mp_log *log, struct ra_tex **tex,
mp_dbg(log, "Resizing texture: %dx%d\n", w, h);
if (!fmt || !fmt->renderable || !fmt->linear_filter || !fmt->storable) {
if (!fmt || !fmt->renderable || !fmt->linear_filter) {
mp_err(log, "Format %s not supported.\n", fmt ? fmt->name : "(unset)");
return false;
}
@ -200,7 +200,7 @@ bool ra_tex_resize(struct ra *ra, struct mp_log *log, struct ra_tex **tex,
.src_linear = true,
.render_src = true,
.render_dst = true,
.storage_dst = true,
.storage_dst = fmt->storable,
.blit_src = true,
};

11
video/out/gpu/video.c
View File

@ -1290,8 +1290,11 @@ static void finish_pass_tex(struct gl_video *p, struct ra_tex **dst_tex,
// If RA_CAP_PARALLEL_COMPUTE is set, try to prefer compute shaders
// over fragment shaders wherever possible.
if (!p->pass_compute.active && (p->ra->caps & RA_CAP_PARALLEL_COMPUTE))
if (!p->pass_compute.active && (p->ra->caps & RA_CAP_PARALLEL_COMPUTE) &&
(*dst_tex)->params.storage_dst)
{
pass_is_compute(p, 16, 16, true);
}
if (p->pass_compute.active) {
gl_sc_uniform_image2D_wo(p->sc, "out_image", *dst_tex);
@ -3709,6 +3712,12 @@ static void check_gl_features(struct gl_video *p)
"available! See your FBO format configuration!\n");
}
if (have_compute && have_fbo && !p->fbo_format->storable) {
have_compute = false;
MP_WARN(p, "Force-disabling compute shaders as the chosen FBO format "
"is not storable! See your FBO format configuration!\n");
}
if (!have_compute && p->opts.dither_algo == DITHER_ERROR_DIFFUSION) {
MP_WARN(p, "Disabling error diffusion dithering because compute shader "
"was not supported. Fallback to dither=fruit instead.\n");