libxtrans mesa git update 31 Mar 2014

libxtrans        commit a57a7f62242e1ea972b81414741729bf3dbae0a4
mesa             commit d681b22ed77274a805c6c8e81925c18eeb57a968

11 files changed, 150 insertions, 43 deletions

diff --git a/X11/xtrans/Xtranssock.c b/X11/xtrans/Xtranssock.c
index fdf1dd774..6cde146cd 100644
--- a/X11/xtrans/Xtranssock.c
+++ b/X11/xtrans/Xtranssock.c
@@ -445,6 +445,27 @@ TRANS(SocketOpen) (int i, int type)
     }
 #endif
 
+    /*
+     * Some systems provide a really small default buffer size for
+     * UNIX sockets.  Bump it up a bit such that large transfers don't
+     * proceed at glacial speed.
+     */
+#ifdef SO_SNDBUF
+    if (Sockettrans2devtab[i].family == AF_UNIX)
+    {
+	SOCKLEN_T len = sizeof (int);
+	int val;
+
+	if (getsockopt (ciptr->fd, SOL_SOCKET, SO_SNDBUF,
+	    (char *) &val, &len) == 0 && val < 64 * 1024)
+	{
+	    val = 64 * 1024;
+	    setsockopt (ciptr->fd, SOL_SOCKET, SO_SNDBUF,
+	        (char *) &val, sizeof (int));
+	}
+    }
+#endif
+
     return ciptr;
 }
 
diff --git a/X11/xtrans/configure.ac b/X11/xtrans/configure.ac
index 6898c6d25..bb8a34cce 100644
--- a/X11/xtrans/configure.ac
+++ b/X11/xtrans/configure.ac
@@ -21,7 +21,7 @@
 
 # Initialize Autoconf
 AC_PREREQ([2.60])
-AC_INIT([xtrans], [1.3.3],
+AC_INIT([xtrans], [1.3.4],
         [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg], [xtrans])
 AC_CONFIG_SRCDIR([Makefile.am])
 
diff --git a/mesalib/configure.ac b/mesalib/configure.ac
index 1e5e49667..af1b0d1fa 100644
--- a/mesalib/configure.ac
+++ b/mesalib/configure.ac
@@ -284,15 +284,18 @@ dnl Can't have static and shared libraries, default to static if user
 dnl explicitly requested. If both disabled, set to static since shared
 dnl was explicitly requested.
 case "x$enable_static$enable_shared" in
-xnoyes )
+xyesyes)
+    AC_MSG_WARN([Cannot build static and shared libraries, disabling shared])
+    enable_shared=no
     ;;
-* )
-    AC_MSG_WARN([Messa build supports only shared libraries, enabling shared])
+xnono)
+    AC_MSG_WARN([Cannot disable both static and shared libraries, enabling shared])
     enable_shared=yes
-    enable_static=no
     ;;
 esac
 
+AM_CONDITIONAL(BUILD_SHARED, test "x$enable_shared" = xyes)
+
 dnl
 dnl other compiler options
 dnl
@@ -313,6 +316,22 @@ if test "x$enable_debug" = xyes; then
 fi
 
 dnl
+dnl Check if linker supports garbage collection
+dnl
+save_LDFLAGS=$LDFLAGS
+LDFLAGS="$LDFLAGS -Wl,--gc-sections"
+AC_MSG_CHECKING([whether ld supports --gc-sections])
+AC_LINK_IFELSE(
+    [AC_LANG_SOURCE([static char UnusedFunc() { return 5; } int main() { return 0;}])],
+    [AC_MSG_RESULT([yes])
+        GC_SECTIONS="-Wl,--gc-sections";],
+    [AC_MSG_RESULT([no])
+        GC_SECTIONS="";])
+LDFLAGS=$save_LDFLAGS
+
+AC_SUBST([GC_SECTIONS])
+
+dnl
 dnl compatibility symlinks
 dnl
 case "$host_os" in
@@ -527,11 +546,20 @@ AC_ARG_ENABLE([dri],
         [enable DRI modules @<:@default=enabled@:>@])],
     [enable_dri="$enableval"],
     [enable_dri=yes])
+
+case "$host_os" in
+linux*)
+    dri3_default=yes
+    ;;
+*)
+    dri3_default=no
+    ;;
+esac
 AC_ARG_ENABLE([dri3],
     [AS_HELP_STRING([--enable-dri3],
-        [enable DRI3 @<:@default=enabled@:>@])],
+        [enable DRI3 @<:@default=auto@:>@])],
     [enable_dri3="$enableval"],
-    [enable_dri3=yes])
+    [enable_dri3="$dri3_default"])
 AC_ARG_ENABLE([glx],
     [AS_HELP_STRING([--enable-glx],
         [enable GLX library @<:@default=enabled@:>@])],
@@ -750,8 +778,8 @@ if test "x$enable_dri" = xyes; then
 fi
 
 if test "x$enable_gallium_osmesa" = xyes; then
-    if test -z "$with_gallium_drivers"; then
-        AC_MSG_ERROR([Cannot enable gallium_osmesa without Gallium])
+    if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
+        AC_MSG_ERROR([gallium_osmesa requires the gallium swrast driver])
     fi
     if test "x$enable_osmesa" = xyes; then
         AC_MSG_ERROR([Cannot enable both classic and Gallium OSMesa implementations])
@@ -773,6 +801,10 @@ PKG_CHECK_MODULES([LIBUDEV], [libudev >= $LIBUDEV_REQUIRED],
                   have_libudev=yes, have_libudev=no)
 
 if test "x$enable_dri" = xyes; then
+    if test "$enable_static" = yes; then
+        AC_MSG_ERROR([Cannot use static libraries for DRI drivers])
+    fi
+
     # not a hard requirement as swrast does not depend on it
     if test "x$have_libdrm" = xyes; then
         DRI_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED"
@@ -823,9 +855,6 @@ xyesno)
         PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
         GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
         if test x"$enable_dri3" = xyes; then
-            if test x"$have_libudev" != xyes; then
-              AC_MSG_ERROR([DRI3 requires libudev >= $LIBUDEV_REQUIRED])
-            fi
             PKG_CHECK_MODULES([DRI3PROTO], [dri3proto >= $DRI3PROTO_REQUIRED])
             PKG_CHECK_MODULES([PRESENTPROTO], [presentproto >= $PRESENTPROTO_REQUIRED])
         fi
@@ -978,7 +1007,7 @@ if test "x$enable_dri" = xyes; then
     gnu*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DHAVE_ALIAS"
-	;;
+        ;;
     solaris*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         ;;
@@ -1104,7 +1133,12 @@ x16|x32)
 esac
 
 if test "x$enable_osmesa" = xyes -o "x$enable_gallium_osmesa" = xyes; then
-    OSMESA_LIB_DEPS="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
+    # only link libraries with osmesa if shared
+    if test "$enable_static" = no; then
+        OSMESA_LIB_DEPS="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
+    else
+        OSMESA_LIB_DEPS=""
+    fi
     OSMESA_MESA_DEPS=""
     OSMESA_PC_LIB_PRIV="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
 fi
@@ -1153,8 +1187,11 @@ if test "x$enable_egl" = xyes; then
 
     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
 
-    if test "x$enable_dri" = xyes; then
-        HAVE_EGL_DRIVER_DRI2=1
+    if test "$enable_static" != yes; then
+        if test "x$enable_dri" = xyes; then
+	    HAVE_EGL_DRIVER_DRI2=1
+	fi
+
     fi
 fi
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
@@ -1252,7 +1289,7 @@ AM_CONDITIONAL(HAVE_OPENVG, test "x$enable_openvg" = xyes)
 dnl
 dnl Gallium G3DVL configuration
 dnl
-if test -n "$with_gallium_drivers"; then
+if test -n "$with_gallium_drivers" && ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
     if test "x$enable_xvmc" = xauto; then
 	PKG_CHECK_EXISTS([xvmc], [enable_xvmc=yes], [enable_xvmc=no])
     fi
@@ -1435,15 +1472,15 @@ else
     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
 fi
 
-if echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1; then
+if echo "$egl_platforms" | grep -q 'x11'; then
     GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib"
     NEED_WINSYS_XLIB=yes
 fi
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep 'wayland' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_DRM, echo "$egl_platforms" | grep 'drm' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_FBDEV, echo "$egl_platforms" | grep 'fbdev' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep 'null' >/dev/null 2>&1)
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep -q 'x11')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep -q 'wayland')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_DRM, echo "$egl_platforms" | grep -q 'drm')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_FBDEV, echo "$egl_platforms" | grep -q 'fbdev')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep -q 'null')
 
 AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
 
diff --git a/mesalib/install-gallium-links.mk b/mesalib/install-gallium-links.mk
index 5ee923b25..6ed8a24a7 100644
--- a/mesalib/install-gallium-links.mk
+++ b/mesalib/install-gallium-links.mk
@@ -1,6 +1,7 @@
 # Provide compatibility with scripts for the old Mesa build system for
 # a while by putting a link to the driver into /lib of the build tree.
 
+if BUILD_SHARED
 if HAVE_COMPAT_SYMLINKS
 all-local : .libs/install-gallium-links
 
@@ -23,3 +24,4 @@ all-local : .libs/install-gallium-links
 		fi;						\
 	done && touch $@
 endif
+endif
diff --git a/mesalib/install-lib-links.mk b/mesalib/install-lib-links.mk
index 0e1371987..09fb86a0b 100644
--- a/mesalib/install-lib-links.mk
+++ b/mesalib/install-lib-links.mk
@@ -1,6 +1,7 @@
 # Provide compatibility with scripts for the old Mesa build system for
 # a while by putting a link to the driver into /lib of the build tree.
 
+if BUILD_SHARED
 if HAVE_COMPAT_SYMLINKS
 all-local : .libs/install-mesa-links
 
@@ -14,3 +15,4 @@ all-local : .libs/install-mesa-links
 		fi;						\
 	done && touch $@
 endif
+endif
diff --git a/mesalib/src/gallium/Automake.inc b/mesalib/src/gallium/Automake.inc
index 1acc99ef5..56f1433a0 100644
--- a/mesalib/src/gallium/Automake.inc
+++ b/mesalib/src/gallium/Automake.inc
@@ -54,25 +54,37 @@ GALLIUM_VIDEO_CFLAGS = \
 DRI_VERSION_SCRIPT ?= $(top_srcdir)/src/gallium/state_trackers/dri/dri.link
 
 GALLIUM_DRI_LINKER_FLAGS = \
+	-shared \
 	-module \
 	-avoid-version \
-	-Wl,--version-script=$(DRI_VERSION_SCRIPT) \
-	-shared \
-	-no-undefined
+	$(GC_SECTIONS) \
+	-Wl,--version-script=$(DRI_VERSION_SCRIPT)
 
 GALLIUM_VDPAU_LINKER_FLAGS = \
+	-shared \
 	-module \
+	-no-undefined \
 	-version-number $(VDPAU_MAJOR):$(VDPAU_MINOR) \
 	-export-symbols-regex $(VDPAU_EXPORTS) \
-	-shared \
-	-no-undefined
+	$(GC_SECTIONS) \
+	-Wl,--no-undefined
 
 GALLIUM_XVMC_LINKER_FLAGS = \
+	-shared \
 	-module \
+	-no-undefined \
 	-version-number $(XVMC_MAJOR):$(XVMC_MINOR) \
-	-shared \
 	-export-symbols-regex '^XvMC' \
-	-no-undefined
+	$(GC_SECTIONS) \
+	-Wl,--no-undefined
+
+GALLIUM_OMX_LINKER_FLAGS = \
+	-shared \
+	-module \
+	-no-undefined \
+	-export-symbols-regex $(EXPORTS) \
+	$(GC_SECTIONS) \
+	-Wl,--no-undefined
 
 GALLIUM_VDPAU_LIB_DEPS = \
 	$(top_builddir)/src/gallium/auxiliary/libgallium.la \
@@ -90,9 +102,29 @@ GALLIUM_XVMC_LIB_DEPS = \
 	$(XVMC_LIBS) \
 	$(LIBDRM_LIBS)
 
+GALLIUM_OMX_LIB_DEPS = \
+	$(top_builddir)/src/gallium/auxiliary/libgallium.la \
+	$(top_builddir)/src/gallium/state_trackers/omx/libomxtracker.la \
+	$(GALLIUM_DRI_LIB_DEPS) \
+	$(OMX_LIBS)
+
 GALLIUM_WINSYS_CFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(top_srcdir)/src/gallium/include \
 	-I$(top_srcdir)/src/gallium/auxiliary \
 	$(DEFINES) \
 	$(VISIBILITY_CFLAGS)
+
+if HAVE_MESA_LLVM
+
+GALLIUM_DRI_LINKER_FLAGS += $(LLVM_LDFLAGS)
+GALLIUM_VDPAU_LINKER_FLAGS += $(LLVM_LDFLAGS)
+GALLIUM_XVMC_LINKER_FLAGS += $(LLVM_LDFLAGS)
+GALLIUM_OMX_LINKER_FLAGS += $(LLVM_LDFLAGS)
+
+GALLIUM_DRI_LIB_DEPS += $(LLVM_LIBS)
+GALLIUM_VDPAU_LIB_DEPS += $(LLVM_LIBS)
+GALLIUM_XVMC_LIB_DEPS += $(LLVM_LIBS)
+GALLIUM_OMX_LIB_DEPS += $(LLVM_LIBS)
+
+endif
diff --git a/mesalib/src/mesa/drivers/dri/Makefile.am b/mesalib/src/mesa/drivers/dri/Makefile.am
index 17ac76be1..f1fee122c 100644
--- a/mesalib/src/mesa/drivers/dri/Makefile.am
+++ b/mesalib/src/mesa/drivers/dri/Makefile.am
@@ -53,6 +53,7 @@ mesa_dri_drivers_la_SOURCES =
 mesa_dri_drivers_la_LDFLAGS = \
         -module -avoid-version -shared \
         -Wl,-Bsymbolic \
+        $(GC_SECTIONS) \
         $()
 mesa_dri_drivers_la_LIBADD = \
         ../../libmesa.la \
diff --git a/mesalib/src/mesa/drivers/dri/common/Makefile.am b/mesalib/src/mesa/drivers/dri/common/Makefile.am
index e500bdb30..c98ccf7b8 100644
--- a/mesalib/src/mesa/drivers/dri/common/Makefile.am
+++ b/mesalib/src/mesa/drivers/dri/common/Makefile.am
@@ -48,7 +48,7 @@ sysconf_DATA = drirc
 
 if DRICOMMON_NEED_LIBDRM
 AM_CFLAGS += $(LIBDRM_CFLAGS)
-libdricommon_la_LDFLAGS = $(LIBDRM_LIBS)
+libdricommon_la_LIBADD = $(LIBDRM_LIBS)
 else
 AM_CFLAGS += -D__NOT_HAVE_DRM_H
 endif
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index 4fb1f116b..fb2501c69 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -3153,9 +3153,9 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
    case MESA_FORMAT_L_UNORM16:
       return format == GL_LUMINANCE && type == GL_UNSIGNED_SHORT && !swapBytes;
    case MESA_FORMAT_I_UNORM8:
-      return format == GL_INTENSITY && type == GL_UNSIGNED_BYTE;
+      return format == GL_RED && type == GL_UNSIGNED_BYTE;
    case MESA_FORMAT_I_UNORM16:
-      return format == GL_INTENSITY && type == GL_UNSIGNED_SHORT && !swapBytes;
+      return format == GL_RED && type == GL_UNSIGNED_SHORT && !swapBytes;
 
    case MESA_FORMAT_YCBCR:
       return format == GL_YCBCR_MESA &&
@@ -3247,9 +3247,9 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
       return format == GL_LUMINANCE_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
 
    case MESA_FORMAT_I_FLOAT32:
-      return format == GL_INTENSITY && type == GL_FLOAT && !swapBytes;
+      return format == GL_RED && type == GL_FLOAT && !swapBytes;
    case MESA_FORMAT_I_FLOAT16:
-      return format == GL_INTENSITY && type == GL_HALF_FLOAT && !swapBytes;
+      return format == GL_RED && type == GL_HALF_FLOAT && !swapBytes;
 
    case MESA_FORMAT_R_FLOAT32:
       return format == GL_RED && type == GL_FLOAT && !swapBytes;
@@ -3277,13 +3277,17 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
       return format == GL_ALPHA_INTEGER && type == GL_INT && !swapBytes;
 
    case MESA_FORMAT_I_UINT8:
+      return format == GL_RED_INTEGER && type == GL_UNSIGNED_BYTE;
    case MESA_FORMAT_I_UINT16:
+      return format == GL_RED_INTEGER && type == GL_UNSIGNED_SHORT && !swapBytes;
    case MESA_FORMAT_I_UINT32:
+      return format == GL_RED_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
    case MESA_FORMAT_I_SINT8:
+      return format == GL_RED_INTEGER && type == GL_BYTE;
    case MESA_FORMAT_I_SINT16:
+      return format == GL_RED_INTEGER && type == GL_SHORT && !swapBytes;
    case MESA_FORMAT_I_SINT32:
-      /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
-      return GL_FALSE;
+      return format == GL_RED_INTEGER && type == GL_INT && !swapBytes;
 
    case MESA_FORMAT_L_UINT8:
       return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_BYTE;
@@ -3450,7 +3454,7 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
       return format == GL_LUMINANCE_ALPHA && type == GL_BYTE &&
              littleEndian && !swapBytes;
    case MESA_FORMAT_I_SNORM8:
-      return format == GL_INTENSITY && type == GL_BYTE;
+      return format == GL_RED && type == GL_BYTE;
    case MESA_FORMAT_A_SNORM16:
       return format == GL_ALPHA && type == GL_SHORT && !swapBytes;
    case MESA_FORMAT_L_SNORM16:
@@ -3459,7 +3463,7 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
       return format == GL_LUMINANCE_ALPHA && type == GL_SHORT &&
              littleEndian && !swapBytes;
    case MESA_FORMAT_I_SNORM16:
-      return format == GL_INTENSITY && type == GL_SHORT && littleEndian &&
+      return format == GL_RED && type == GL_SHORT && littleEndian &&
              !swapBytes;
 
    case MESA_FORMAT_B10G10R10A2_UINT:
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index b68ba603e..fe3b07256 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -3260,12 +3260,16 @@ _mesa_texstore_srgba8(TEXSTORE_PARAMS)
    GLboolean k;
 
    ASSERT(dstFormat == MESA_FORMAT_A8B8G8R8_SRGB ||
-          dstFormat == MESA_FORMAT_R8G8B8X8_SRGB);
+          dstFormat == MESA_FORMAT_R8G8B8X8_SRGB ||
+          dstFormat == MESA_FORMAT_R8G8B8A8_SRGB);
 
    /* reuse normal rgba texstore code */
    if (dstFormat == MESA_FORMAT_A8B8G8R8_SRGB) {
       newDstFormat = MESA_FORMAT_A8B8G8R8_UNORM;
    }
+   else if (dstFormat == MESA_FORMAT_R8G8B8A8_SRGB) {
+      newDstFormat = MESA_FORMAT_R8G8B8A8_UNORM;
+   }
    else if (dstFormat == MESA_FORMAT_R8G8B8X8_SRGB) {
       newDstFormat = MESA_FORMAT_R8G8B8X8_UNORM;
    }
@@ -3294,9 +3298,6 @@ _mesa_texstore_sargb8(TEXSTORE_PARAMS)
    case MESA_FORMAT_B8G8R8A8_SRGB:
       newDstFormat = MESA_FORMAT_B8G8R8A8_UNORM;
       break;
-   case MESA_FORMAT_R8G8B8A8_SRGB:
-      newDstFormat = MESA_FORMAT_R8G8B8A8_UNORM;
-      break;
    case MESA_FORMAT_B8G8R8X8_SRGB:
       newDstFormat = MESA_FORMAT_B8G8R8X8_UNORM;
       break;
@@ -3852,6 +3853,7 @@ _mesa_get_texstore_func(mesa_format format)
       table[MESA_FORMAT_B5G5R5X1_UNORM] = store_ubyte_texture;
       table[MESA_FORMAT_R8G8B8X8_SNORM] = _mesa_texstore_signed_rgbx8888;
       table[MESA_FORMAT_R8G8B8X8_SRGB] = _mesa_texstore_srgba8;
+      table[MESA_FORMAT_R8G8B8A8_SRGB] = _mesa_texstore_srgba8;
       table[MESA_FORMAT_RGBX_UINT8] = _mesa_texstore_rgba_uint8;
       table[MESA_FORMAT_RGBX_SINT8] = _mesa_texstore_rgba_int8;
       table[MESA_FORMAT_B10G10R10X2_UNORM] = _mesa_texstore_argb2101010;
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index cd6b46681..38d4ccfea 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -1750,6 +1750,12 @@ st_choose_matching_format(struct pipe_screen *screen, unsigned bind,
       if (_mesa_get_format_color_encoding(mesa_format) == GL_SRGB) {
          continue;
       }
+      if (_mesa_get_format_bits(mesa_format, GL_TEXTURE_INTENSITY_SIZE) > 0) {
+         /* If `format` is GL_RED/GL_RED_INTEGER, then we might match some
+          * intensity formats, which we don't want.
+          */
+         continue;
+      }
 
       if (_mesa_format_matches_format_and_type(mesa_format, format, type,
                                                swapBytes)) {