[Mesa-dev] [PATCH 20/22] st/dri: Add support for BGR[A/X]1010102 formats.

[Mario Kleiner]

Exposes RGBA 10 10 10 2 and 10 10 10 0 visuals and
fbconfigs for rendering.

Signed-off-by: Mario Kleiner <mario.kleiner.de at gmail.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
---
 src/gallium/state_trackers/dri/dri_screen.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index 1ca5116..46ca8fa 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -108,6 +108,8 @@ static const __DRIconfig **
 dri_fill_in_modes(struct dri_screen *screen)
 {
    static const mesa_format mesa_formats[] = {
+      MESA_FORMAT_B10G10R10A2_UNORM,
+      MESA_FORMAT_B10G10R10X2_UNORM,
       MESA_FORMAT_B8G8R8A8_UNORM,
       MESA_FORMAT_B8G8R8X8_UNORM,
       MESA_FORMAT_B8G8R8A8_SRGB,
@@ -136,6 +138,8 @@ dri_fill_in_modes(struct dri_screen *screen)
       MESA_FORMAT_R8G8B8X8_UNORM,
    };
    static const enum pipe_format pipe_formats[] = {
+      PIPE_FORMAT_B10G10R10A2_UNORM,
+      PIPE_FORMAT_B10G10R10X2_UNORM,
       PIPE_FORMAT_BGRA8888_UNORM,
       PIPE_FORMAT_BGRX8888_UNORM,
       PIPE_FORMAT_BGRA8888_SRGB,
@@ -221,7 +225,7 @@ dri_fill_in_modes(struct dri_screen *screen)
    if (dri_loader_get_cap(screen, DRI_LOADER_CAP_RGBA_ORDERING))
       num_formats = ARRAY_SIZE(mesa_formats);
    else
-      num_formats = ARRAY_SIZE(mesa_formats) - 2;
+      num_formats = ARRAY_SIZE(mesa_formats) - 2; /* all - RGBA_ORDERING formats */
 
    /* Add configs. */
    for (format = 0; format < num_formats; format++) {
@@ -289,6 +293,15 @@ dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
 
    /* Deduce the color format. */
    switch (mode->redMask) {
+   case 0x3FF00000:
+      if (mode->alphaMask) {
+         assert(mode->alphaMask == 0xC0000000);
+         stvis->color_format = PIPE_FORMAT_B10G10R10A2_UNORM;
+      } else {
+         stvis->color_format = PIPE_FORMAT_B10G10R10X2_UNORM;
+      }
+      break;
+
    case 0x00FF0000:
       if (mode->alphaMask) {
          assert(mode->alphaMask == 0xFF000000);
-- 
2.7.4