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st/wgl: add debug code to check that pixel format initialization worked 

If the assertion fails, it means something is really broken.  Before,
if this happened we reverted to the GDI renderer without any warning.

Reviewed-by: Matthew McClure <mcclurem@vmware.com>
This commit is contained in:
Brian Paul 2014-03-21 11:06:41 -06:00 committed by José Fonseca
parent e4a5165562
commit fa55c2402c
1 changed files with 9 additions and 3 deletions
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12
src/gallium/state_trackers/wgl/stw_pixelformat.c
View File

@ -214,13 +214,14 @@ stw_pixelformat_add(
/**
* Add the depth/stencil/accum/ms variants for a particular color format.
*/
static void
static unsigned
add_color_format_variants(const struct stw_pf_color_info *color,
boolean extended)
{
struct pipe_screen *screen = stw_dev->screen;
unsigned ms, db, ds, acc;
unsigned bind_flags = PIPE_BIND_RENDER_TARGET;
unsigned num_added = 0;
if (!extended) {
bind_flags |= PIPE_BIND_DISPLAY_TARGET;
@ -228,7 +229,7 @@ add_color_format_variants(const struct stw_pf_color_info *color,
if (!screen->is_format_supported(screen, color->format,
PIPE_TEXTURE_2D, 0, bind_flags)) {
return;
return 0;
}
for (ms = 0; ms < Elements(stw_pf_multisample); ms++) {
@ -253,10 +254,13 @@ add_color_format_variants(const struct stw_pf_color_info *color,
for (acc = 0; acc < 2; acc++) {
stw_pixelformat_add(stw_dev, extended, color, depth,
acc * 16, doublebuffer, samples);
num_added++;
}
}
}
}
return num_added;
}
@ -264,14 +268,16 @@ void
stw_pixelformat_init( void )
{
unsigned i;
unsigned num_formats = 0;
assert( !stw_dev->pixelformat_count );
assert( !stw_dev->pixelformat_extended_count );
/* normal, displayable formats */
for (i = 0; i < Elements(stw_pf_color); i++) {
add_color_format_variants(&stw_pf_color[i], FALSE);
num_formats += add_color_format_variants(&stw_pf_color[i], FALSE);
}
assert(num_formats > 0);
/* extended, pbuffer-only formats */
for (i = 0; i < Elements(stw_pf_color_extended); i++) {