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mpv
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vo_opengl: move minor helper to common code 

The generic image format code should cary most of the "knowledge" about
image formats.
This commit is contained in:
wm4 2015-03-09 22:47:33 +01:00
parent b9307b7175
commit cfa44f4e90
3 changed files with 6 additions and 10 deletions
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3
video/img_format.c
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@ -249,6 +249,9 @@ struct mp_imgfmt_desc mp_imgfmt_get_desc(int mpfmt)
desc.plane_bits = 8; // usually restricted to 8 bit; may change
}
if (desc.chroma_xs || desc.chroma_ys)
desc.flags |= MP_IMGFLAG_SUBSAMPLED;
return desc;
}

2
video/img_format.h
View File

@ -66,6 +66,8 @@
#define MP_IMGFLAG_PAL 0x8000
// planes don't contain real data; planes[3] contains an API-specific pointer
#define MP_IMGFLAG_HWACCEL 0x10000
// Set if the chroma resolution is lower than luma resolution. Unset for non-YUV.
#define MP_IMGFLAG_SUBSAMPLED 0x20000
// Exactly one of these bits is set in mp_imgfmt_desc.flags
#define MP_IMGFLAG_COLOR_CLASS_MASK \

11
video/out/gl_video.c
View File

@ -880,15 +880,6 @@ static void shader_setup_scaler(char **shader, struct scaler *scaler, int pass)
}
}
// return false if RGB or 4:4:4 YUV
static bool input_is_subsampled(struct gl_video *p)
{
for (int i = 0; i < p->plane_count; i++)
if (p->image_desc.xs[i] || p->image_desc.ys[i])
return true;
return false;
}
static void compile_shaders(struct gl_video *p)
{
GL *gl = p->gl;
@ -1092,7 +1083,7 @@ static void compile_shaders(struct gl_video *p)
if (p->plane_count > 1 && !trivial_scaling)
use_indirect = true;
if (input_is_subsampled(p)) {
if (p->image_desc.flags & MP_IMGFLAG_SUBSAMPLED) {
shader_setup_scaler(&header_conv, &p->scalers[1], -1);
} else {
// Force using the normal scaler on chroma. If the "indirect" stage is