diff options
Diffstat (limited to 'src/gallium/state_trackers/wgl')
| -rw-r--r-- | src/gallium/state_trackers/wgl/stw_pixelformat.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_pixelformat.c b/src/gallium/state_trackers/wgl/stw_pixelformat.c index dc5160d868e..96169e2b5f9 100644 --- a/src/gallium/state_trackers/wgl/stw_pixelformat.c +++ b/src/gallium/state_trackers/wgl/stw_pixelformat.c @@ -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++) { |