This makes it work properly with OpenGL based desktop
compositing, as tested with EGL and GLX based compositing
under OpenGL-2/3, and also artifact free with XRender
based 2D compositing.

Signed-off-by: Mario Kleiner <mario.kleiner...@gmail.com>
---
 glamor/glamor.c      | 6 ++++--
 glamor/glamor_copy.c | 9 +++++++++
 glamor/glamor_egl.c  | 3 ++-
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/glamor/glamor.c b/glamor/glamor.c
index 4a41fe7..d61e275 100644
--- a/glamor/glamor.c
+++ b/glamor/glamor.c
@@ -805,7 +805,8 @@ glamor_fd_from_pixmap(ScreenPtr screen,
     switch (pixmap_priv->type) {
     case GLAMOR_TEXTURE_DRM:
     case GLAMOR_TEXTURE_ONLY:
-        if (!glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0))
+        if (!glamor_pixmap_ensure_fbo(pixmap, pixmap->drawable.depth == 30 ?
+                                      GL_RGB10_A2 : GL_RGBA, 0))
             return -1;
         return glamor_egl_dri3_fd_name_from_tex(screen,
                                                 pixmap,
@@ -845,7 +846,8 @@ glamor_name_from_pixmap(PixmapPtr pixmap, CARD16 *stride, 
CARD32 *size)
     switch (pixmap_priv->type) {
     case GLAMOR_TEXTURE_DRM:
     case GLAMOR_TEXTURE_ONLY:
-        if (!glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0))
+        if (!glamor_pixmap_ensure_fbo(pixmap, pixmap->drawable.depth == 30 ?
+                                      GL_RGB10_A2 : GL_RGBA, 0))
             return -1;
         return glamor_egl_dri3_fd_name_from_tex(pixmap->drawable.pScreen,
                                                 pixmap,
diff --git a/glamor/glamor_copy.c b/glamor/glamor_copy.c
index bd4a0e2..e050c02 100644
--- a/glamor/glamor_copy.c
+++ b/glamor/glamor_copy.c
@@ -78,6 +78,15 @@ use_copyplane(PixmapPtr dst, GCPtr gc, glamor_program *prog, 
void *arg)
 
     /* XXX handle 2 10 10 10 and 1555 formats; presumably the pixmap private 
knows this? */
     switch (args->src_pixmap->drawable.depth) {
+    case 30:
+        glUniform4ui(prog->bitplane_uniform,
+                     (args->bitplane >> 20) & 0x3ff,
+                     (args->bitplane >> 10) & 0x3ff,
+                     (args->bitplane      ) & 0x3ff,
+                     0);
+
+        glUniform4f(prog->bitmul_uniform, 0x3ff, 0x3ff, 0x3ff, 0);
+        break;
     case 24:
         glUniform4ui(prog->bitplane_uniform,
                      (args->bitplane >> 16) & 0xff,
diff --git a/glamor/glamor_egl.c b/glamor/glamor_egl.c
index 202b83e..eb5e68b 100644
--- a/glamor/glamor_egl.c
+++ b/glamor/glamor_egl.c
@@ -270,7 +270,8 @@ glamor_make_pixmap_exportable(PixmapPtr pixmap)
     }
 
     bo = gbm_bo_create(glamor_egl->gbm, width, height,
-                       GBM_FORMAT_ARGB8888,
+                       (pixmap->drawable.depth == 30) ?
+                       GBM_FORMAT_ARGB2101010 : GBM_FORMAT_ARGB8888,
 #ifdef GLAMOR_HAS_GBM_LINEAR
                        (pixmap->usage_hint == CREATE_PIXMAP_USAGE_SHARED ?
                         GBM_BO_USE_LINEAR : 0) |
-- 
2.7.4

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