diff options
| author | Marek Olšák <[email protected]> | 2016-08-17 18:27:48 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2016-08-22 16:01:35 +0200 |
| commit | b9c9551c09caac241ea44b618748c133897d59b9 (patch) | |
| tree | 11f8e64bc37b7f0b64124d1472eac148860c5f01 | |
| parent | 6ffde82083e07d86d1e60b00d245af436752fd5e (diff) | |
gallium/hud: use sRGB for nicer AA lines
Reviewed-by: Brian Paul <[email protected]>
| -rw-r--r-- | src/gallium/auxiliary/hud/hud_context.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/hud/hud_context.c b/src/gallium/auxiliary/hud/hud_context.c index fb9c8c65af3..8ab998ed9ac 100644 --- a/src/gallium/auxiliary/hud/hud_context.c +++ b/src/gallium/auxiliary/hud/hud_context.c @@ -42,6 +42,7 @@ #include "cso_cache/cso_context.h" #include "util/u_draw_quad.h" +#include "util/u_format.h" #include "util/u_inlines.h" #include "util/u_memory.h" #include "util/u_math.h" @@ -97,6 +98,8 @@ struct hud_context { unsigned max_num_vertices; unsigned num_vertices; } text, bg, whitelines; + + bool has_srgb; }; #ifdef PIPE_OS_UNIX @@ -484,6 +487,18 @@ hud_draw(struct hud_context *hud, struct pipe_resource *tex) /* set states */ memset(&surf_templ, 0, sizeof(surf_templ)); surf_templ.format = tex->format; + + /* Without this, AA lines look thinner if they are between 2 pixels + * because the alpha is 0.5 on both pixels. (it's ugly) + * + * sRGB makes the width of all AA lines look the same. + */ + if (hud->has_srgb) { + enum pipe_format srgb_format = util_format_srgb(tex->format); + + if (srgb_format != PIPE_FORMAT_NONE) + surf_templ.format = srgb_format; + } surf = pipe->create_surface(pipe, tex, &surf_templ); memset(&fb, 0, sizeof(fb)); @@ -1138,6 +1153,7 @@ print_help(struct pipe_screen *screen) struct hud_context * hud_create(struct pipe_context *pipe, struct cso_context *cso) { + struct pipe_screen *screen = pipe->screen; struct hud_context *hud; struct pipe_sampler_view view_templ; unsigned i; @@ -1173,6 +1189,11 @@ hud_create(struct pipe_context *pipe, struct cso_context *cso) return NULL; } + hud->has_srgb = screen->is_format_supported(screen, + PIPE_FORMAT_B8G8R8A8_SRGB, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_RENDER_TARGET) != 0; + /* blend state */ hud->no_blend.rt[0].colormask = PIPE_MASK_RGBA; |