Add the A8 MESA for mat patch for the Mesa v.10 branch

Change-Id: I771e0478e274ef7cfabb417c9712d4dbb4d62f5b
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>

src/3rdparty/wayland/patches/0001-Add-a-EGL_DRM_BUFFER_FORMAT_A8_MESA-10.patch

@@ -0,0 +1,87 @@
+From be72a2ae7d14e57c423ce0885b153abf56eefca4 Mon Sep 17 00:00:00 2001
+From: Jorgen Lind <jorgen.lind@digia.com>
+Date: Thu, 2 Jan 2014 12:28:54 +0100
+Subject: [PATCH] Add a EGL_DRM_BUFFER_FORMAT_A8_MESA
+
+This is to allow us to share A8 DRM buffers between processes
+---
+ include/EGL/eglext.h                   | 1 +
+ include/GL/internal/dri_interface.h    | 1 +
+ src/egl/drivers/dri2/egl_dri2.c        | 7 +++++++
+ src/mesa/drivers/dri/common/dri_util.c | 4 ++++
+ 4 files changed, 13 insertions(+)
+
+diff --git a/include/EGL/eglext.h b/include/EGL/eglext.h
+index 1d68178..6c4fb7e 100644
+--- a/include/EGL/eglext.h
++++ b/include/EGL/eglext.h
+@@ -271,6 +271,7 @@ typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPIXMAPSURFACEHIPROC) (EGLDisplay dp
+ #define EGL_DRM_BUFFER_FORMAT_MESA		0x31D0	    /* CreateDRMImageMESA attribute */
+ #define EGL_DRM_BUFFER_USE_MESA			0x31D1	    /* CreateDRMImageMESA attribute */
+ #define EGL_DRM_BUFFER_FORMAT_ARGB32_MESA	0x31D2	    /* EGL_IMAGE_FORMAT_MESA attribute value */
++#define EGL_DRM_BUFFER_FORMAT_A8_MESA	        0x31D5	    /* EGL_IMAGE_FORMAT_MESA attribute value */
+ #define EGL_DRM_BUFFER_MESA			0x31D3	    /* eglCreateImageKHR target */
+ #define EGL_DRM_BUFFER_STRIDE_MESA		0x31D4
+ #define EGL_DRM_BUFFER_USE_SCANOUT_MESA		0x00000001  /* EGL_DRM_BUFFER_USE_MESA bits */
+diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
+index b012570..c0ba605 100644
+--- a/include/GL/internal/dri_interface.h
++++ b/include/GL/internal/dri_interface.h
+@@ -1015,6 +1015,7 @@ struct __DRIdri2ExtensionRec {
+ #define __DRI_IMAGE_FORMAT_XRGB2101010  0x1009
+ #define __DRI_IMAGE_FORMAT_ARGB2101010  0x100a
+ #define __DRI_IMAGE_FORMAT_SARGB8       0x100b
++#define __DRI_IMAGE_FORMAT_A8           0x100c
+ 
+ #define __DRI_IMAGE_USE_SHARE		0x0001
+ #define __DRI_IMAGE_USE_SCANOUT		0x0002
+diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
+index a64f4e8..a8253e1 100644
+--- a/src/egl/drivers/dri2/egl_dri2.c
++++ b/src/egl/drivers/dri2/egl_dri2.c
+@@ -1185,6 +1185,10 @@ dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
+       format = __DRI_IMAGE_FORMAT_ARGB8888;
+       pitch = attrs.DRMBufferStrideMESA;
+       break;
++   case EGL_DRM_BUFFER_FORMAT_A8_MESA:
++      format = __DRI_IMAGE_FORMAT_A8;
++      pitch = attrs.DRMBufferStrideMESA;
++      break;
+    default:
+       _eglError(EGL_BAD_PARAMETER,
+ 		"dri2_create_image_khr: unsupported pixmap depth");
+@@ -1719,6 +1723,9 @@ dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
+    case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
+       format = __DRI_IMAGE_FORMAT_ARGB8888;
+       break;
++   case EGL_DRM_BUFFER_FORMAT_A8_MESA:
++      format = __DRI_IMAGE_FORMAT_A8;
++      break;
+    default:
+       _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
+             attrs.DRMBufferFormatMESA);
+diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
+index 9134a94..5fb55a2 100644
+--- a/src/mesa/drivers/dri/common/dri_util.c
++++ b/src/mesa/drivers/dri/common/dri_util.c
+@@ -831,6 +831,8 @@ driGLFormatToImageFormat(gl_format format)
+       return __DRI_IMAGE_FORMAT_NONE;
+    case MESA_FORMAT_SARGB8:
+       return __DRI_IMAGE_FORMAT_SARGB8;
++   case MESA_FORMAT_A8:
++      return __DRI_IMAGE_FORMAT_A8;
+    default:
+       return 0;
+    }
+@@ -860,6 +862,8 @@ driImageFormatToGLFormat(uint32_t image_format)
+       return MESA_FORMAT_GR88;
+    case __DRI_IMAGE_FORMAT_SARGB8:
+       return MESA_FORMAT_SARGB8;
++   case __DRI_IMAGE_FORMAT_A8:
++      return MESA_FORMAT_A8;
+    case __DRI_IMAGE_FORMAT_NONE:
+       return MESA_FORMAT_NONE;
+    default:
+-- 
+1.8.5.2
+