From a3ea44be80dab99ec9fa2df865e021bd92a5d35a Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 2 Apr 2012 12:27:19 -0400
Subject: [PATCH] mesa-8.0.1-fix-16bpp.patch: Fix 16bpp in llvmpipe

---
 mesa-8.0.1-fix-16bpp.patch | 27 +++++++++++++++++++++++++++
 mesa.spec                  | 14 +++++++-------
 2 files changed, 34 insertions(+), 7 deletions(-)
 create mode 100644 mesa-8.0.1-fix-16bpp.patch

diff --git a/mesa-8.0.1-fix-16bpp.patch b/mesa-8.0.1-fix-16bpp.patch
new file mode 100644
index 0000000..4e3977b
--- /dev/null
+++ b/mesa-8.0.1-fix-16bpp.patch
@@ -0,0 +1,27 @@
+diff -up Mesa-8.0.1/src/glx/drisw_glx.c.jx Mesa-8.0.1/src/glx/drisw_glx.c
+--- Mesa-8.0.1/src/glx/drisw_glx.c.jx	2012-04-02 10:34:23.000000000 -0400
++++ Mesa-8.0.1/src/glx/drisw_glx.c	2012-04-02 11:44:19.296407735 -0400
+@@ -274,7 +274,9 @@ swrastShmGetImage(__DRIdrawable *read, c
+     do {
+ 	int i;
+ 	char *src = ximage->data;
+-	int dst_width = align(ximage->width * ximage->bits_per_pixel / 8, 256);
++	int bytes_per_pixel = ((ximage->bits_per_pixel + 7) / 8);
++	int dst_width = align(ximage->width * bytes_per_pixel,
++			      64 * bytes_per_pixel);
+ 
+ 	for (i = 0; i < ximage->height; i++) {
+ 	    memcpy(data, src, ximage->bytes_per_line);
+diff -up Mesa-8.0.1/src/mesa/state_tracker/st_manager.c.jx Mesa-8.0.1/src/mesa/state_tracker/st_manager.c
+--- Mesa-8.0.1/src/mesa/state_tracker/st_manager.c.jx	2012-02-14 18:44:00.000000000 -0500
++++ Mesa-8.0.1/src/mesa/state_tracker/st_manager.c	2012-04-02 12:02:14.613964417 -0400
+@@ -528,6 +528,9 @@ st_context_teximage(struct st_context_if
+       if (util_format_get_component_bits(internal_format,
+                UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
+          internalFormat = GL_RGBA;
++      else if (util_format_get_component_bits(internal_format,
++                 UTIL_FORMAT_COLORSPACE_RGB, 0) == 5)
++         internalFormat = GL_RGB5;
+       else
+          internalFormat = GL_RGB;
+ 
diff --git a/mesa.spec b/mesa.spec
index 08da9bc..8d2d3fa 100644
--- a/mesa.spec
+++ b/mesa.spec
@@ -30,7 +30,7 @@
 Summary: Mesa graphics libraries
 Name: mesa
 Version: 8.0.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: MIT
 Group: System Environment/Libraries
 URL: http://www.mesa3d.org
@@ -47,7 +47,7 @@ Patch8: mesa-7.10-llvmcore.patch
 Patch9: mesa-8.0-llvmpipe-shmget.patch
 Patch10: 0001-intel-fix-null-dereference-processing-HiZ-buffer.patch
 Patch11: mesa-8.0-nouveau-tfp-blacklist.patch
-
+Patch12: mesa-8.0.1-fix-16bpp.patch
 
 BuildRequires: pkgconfig autoconf automake libtool
 %if %{with_hardware}
@@ -277,6 +277,7 @@ Mesa shared glapi
 %patch9 -p1 -b .shmget
 %patch10 -p1 -b .intel-hiz-fix
 %patch11 -p1 -b .nouveau
+%patch12 -p1 -b .16bpp
 
 %build
 
@@ -349,11 +350,7 @@ done | xargs install -m 0755 -t $RPM_BUILD_ROOT%{_libdir}/dri >& /dev/null || :
 
 # strip out undesirable headers
 pushd $RPM_BUILD_ROOT%{_includedir}/GL 
-rm -f [a-fh-np-wyz]*.h glf*.h glut*.h
-popd
-
-pushd $RPM_BUILD_ROOT%{_libdir}
-rm -f xorg/modules/drivers/modesetting_drv.so
+rm -f [vw]*.h
 popd
 
 # man pages
@@ -552,6 +549,9 @@ rm -rf $RPM_BUILD_ROOT
 %endif
 
 %changelog
+* Mon Apr 02 2012 Adam Jackson <ajax@redhat.com> 8.0.2-2
+- mesa-8.0.1-fix-16bpp.patch: Fix 16bpp in llvmpipe
+
 * Sat Mar 31 2012 Dave Airlie <airlied@redhat.com> 8.0.2-1
 - get latest 8.0.2 set of fixes