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vo_opengl: add another ra_format field to exclude insane formats 

Generic description of pixel formats is hard. In this case, the Apple
special format for packed YUV could have been interpreted as a RGB
format with funny packing.
This commit is contained in:
wm4 2017-08-07 19:18:58 +02:00
parent 47ea771b7a
commit d45fbecbb5
3 changed files with 6 additions and 2 deletions
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5
video/out/opengl/ra.c
View File

@ -82,10 +82,11 @@ struct ra_renderpass_params *ra_render_pass_params_copy(void *ta_parent,
// Return whether this is a tightly packed format with no external padding and
// with the same bit size/depth in all components.
// with the same bit size/depth in all components, and the shader returns
// components in the same order as in memory.
static bool ra_format_is_regular(const struct ra_format *fmt)
{
if (!fmt->pixel_size || !fmt->num_components)
if (!fmt->pixel_size || !fmt->num_components || !fmt->ordered)
return false;
for (int n = 1; n < fmt->num_components; n++) {
if (fmt->component_size[n] != fmt->component_size[0] ||

2
video/out/opengl/ra.h
View File

@ -60,6 +60,8 @@ struct ra_format {
const char *name; // symbolic name for user interaction/debugging
void *priv;
enum ra_ctype ctype; // data type of each component
bool ordered; // components are sequential in memory, and returned
// by the shader in memory order
int num_components; // component count, 0 if not applicable, max. 4
int component_size[4]; // in bits, all entries 0 if not applicable
int component_depth[4]; // bits in use for each component, 0 if not applicable

1
video/out/opengl/ra_gl.c
View File

@ -55,6 +55,7 @@ static int ra_init_gl(struct ra *ra, GL *gl)
.priv = (void *)gl_fmt,
.ctype = gl_format_type(gl_fmt),
.num_components = gl_format_components(gl_fmt->format),
.ordered = gl_fmt->format != GL_RGB_422_APPLE,
.pixel_size = gl_bytes_per_pixel(gl_fmt->format, gl_fmt->type),
.luminance_alpha = gl_fmt->format == GL_LUMINANCE_ALPHA,
.linear_filter = gl_fmt->flags & F_TF,