[mutter/wip/nielsdg/add-yuv-support: 10/11] WIP: Add a COGL_TEXTURE_COMPONENTS_R



commit b5b85876ab2f4166d87f302c64fb1c7b6085fd6e
Author: Niels De Graef <niels degraef barco com>
Date:   Thu Jun 13 14:41:07 2019 +0200

    WIP: Add a COGL_TEXTURE_COMPONENTS_R

 cogl/cogl/cogl-pixel-format.c       | 16 ++++++++--------
 cogl/cogl/cogl-texture.c            |  7 +++++++
 cogl/cogl/cogl-texture.h            |  1 +
 src/compositor/meta-background.c    |  1 +
 src/compositor/meta-surface-actor.c |  1 +
 src/wayland/meta-wayland-buffer.c   | 28 ++++++++++++++--------------
 6 files changed, 32 insertions(+), 22 deletions(-)
---
diff --git a/cogl/cogl/cogl-pixel-format.c b/cogl/cogl/cogl-pixel-format.c
index ee03a1c90..1a97135e6 100644
--- a/cogl/cogl/cogl-pixel-format.c
+++ b/cogl/cogl/cogl-pixel-format.c
@@ -823,22 +823,22 @@ cogl_pixel_format_get_cogl_components (CoglPixelFormat  format,
   switch (format)
     {
     case COGL_PIXEL_FORMAT_NV12:
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
       components_out[1] = COGL_TEXTURE_COMPONENTS_RG;
       break;
     case COGL_PIXEL_FORMAT_NV21:
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
       components_out[1] = COGL_TEXTURE_COMPONENTS_RG;
       break;
     case COGL_PIXEL_FORMAT_YUV422:
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[1] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[2] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[1] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[2] = COGL_TEXTURE_COMPONENTS_R;
       break;
     case COGL_PIXEL_FORMAT_YUV444:
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[1] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[2] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[1] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[2] = COGL_TEXTURE_COMPONENTS_R;
       break;
     default:
       components_out[0] = COGL_TEXTURE_COMPONENTS_RGBA;
diff --git a/cogl/cogl/cogl-texture.c b/cogl/cogl/cogl-texture.c
index a07baf259..3bedb5ac0 100644
--- a/cogl/cogl/cogl-texture.c
+++ b/cogl/cogl/cogl-texture.c
@@ -1109,6 +1109,11 @@ _cogl_texture_set_internal_format (CoglTexture *texture,
       texture->components = COGL_TEXTURE_COMPONENTS_A;
       return;
     }
+  else if (internal_format == COGL_PIXEL_FORMAT_R_8)
+    {
+      texture->components = COGL_TEXTURE_COMPONENTS_R;
+      return;
+    }
   else if (internal_format == COGL_PIXEL_FORMAT_RG_88)
     {
       texture->components = COGL_TEXTURE_COMPONENTS_RG;
@@ -1155,6 +1160,8 @@ _cogl_texture_determine_internal_format (CoglTexture *texture,
         }
     case COGL_TEXTURE_COMPONENTS_A:
       return COGL_PIXEL_FORMAT_A_8;
+    case COGL_TEXTURE_COMPONENTS_R:
+      return COGL_PIXEL_FORMAT_R_8;
     case COGL_TEXTURE_COMPONENTS_RG:
       return COGL_PIXEL_FORMAT_RG_88;
     case COGL_TEXTURE_COMPONENTS_RGB:
diff --git a/cogl/cogl/cogl-texture.h b/cogl/cogl/cogl-texture.h
index 87612b810..6785a493f 100644
--- a/cogl/cogl/cogl-texture.h
+++ b/cogl/cogl/cogl-texture.h
@@ -139,6 +139,7 @@ cogl_is_texture (void *object);
 typedef enum _CoglTextureComponents
 {
   COGL_TEXTURE_COMPONENTS_A = 1,
+  COGL_TEXTURE_COMPONENTS_R,
   COGL_TEXTURE_COMPONENTS_RG,
   COGL_TEXTURE_COMPONENTS_RGB,
   COGL_TEXTURE_COMPONENTS_RGBA,
diff --git a/src/compositor/meta-background.c b/src/compositor/meta-background.c
index c033395fe..f43bb9afa 100644
--- a/src/compositor/meta-background.c
+++ b/src/compositor/meta-background.c
@@ -632,6 +632,7 @@ texture_has_alpha (CoglTexture *texture)
     case COGL_TEXTURE_COMPONENTS_A:
     case COGL_TEXTURE_COMPONENTS_RGBA:
       return TRUE;
+    case COGL_TEXTURE_COMPONENTS_R:
     case COGL_TEXTURE_COMPONENTS_RG:
     case COGL_TEXTURE_COMPONENTS_RGB:
     case COGL_TEXTURE_COMPONENTS_DEPTH:
diff --git a/src/compositor/meta-surface-actor.c b/src/compositor/meta-surface-actor.c
index e50ca06f6..417d30554 100644
--- a/src/compositor/meta-surface-actor.c
+++ b/src/compositor/meta-surface-actor.c
@@ -349,6 +349,7 @@ meta_surface_actor_is_argb32 (MetaSurfaceActor *self)
     case COGL_TEXTURE_COMPONENTS_A:
     case COGL_TEXTURE_COMPONENTS_RGBA:
       return TRUE;
+    case COGL_TEXTURE_COMPONENTS_R:
     case COGL_TEXTURE_COMPONENTS_RG:
     case COGL_TEXTURE_COMPONENTS_RGB:
     case COGL_TEXTURE_COMPONENTS_DEPTH:
diff --git a/src/wayland/meta-wayland-buffer.c b/src/wayland/meta-wayland-buffer.c
index 80e981f43..3de148f7a 100644
--- a/src/wayland/meta-wayland-buffer.c
+++ b/src/wayland/meta-wayland-buffer.c
@@ -186,37 +186,37 @@ shm_buffer_get_cogl_pixel_format (struct wl_shm_buffer  *shm_buffer,
 #endif
     case WL_SHM_FORMAT_NV12:
       format = COGL_PIXEL_FORMAT_NV12;
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
       components_out[1] = COGL_TEXTURE_COMPONENTS_RG;
       break;
     case WL_SHM_FORMAT_NV21:
       format = COGL_PIXEL_FORMAT_NV21;
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
       components_out[1] = COGL_TEXTURE_COMPONENTS_RG;
       break;
     case WL_SHM_FORMAT_YUV422:
       format = COGL_PIXEL_FORMAT_YUV422;
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[1] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[2] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[1] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[2] = COGL_TEXTURE_COMPONENTS_R;
       break;
     case WL_SHM_FORMAT_YVU422:
       format = COGL_PIXEL_FORMAT_YVU422;
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[1] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[2] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[1] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[2] = COGL_TEXTURE_COMPONENTS_R;
       break;
     case WL_SHM_FORMAT_YUV444:
       format = COGL_PIXEL_FORMAT_YUV444;
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[1] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[2] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[1] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[2] = COGL_TEXTURE_COMPONENTS_R;
       break;
     case WL_SHM_FORMAT_YVU444:
       format = COGL_PIXEL_FORMAT_YVU444;
-      components_out[0] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[1] = COGL_TEXTURE_COMPONENTS_A;
-      components_out[2] = COGL_TEXTURE_COMPONENTS_A;
+      components_out[0] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[1] = COGL_TEXTURE_COMPONENTS_R;
+      components_out[2] = COGL_TEXTURE_COMPONENTS_R;
       break;
 
     default:


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