libxtrans fontconfig glproto libX11 libxcb xcbproto mesa xserver pixman xkeyboard-config git update 22 Dec 2013

xserver          commit a68df147421da21528b5be2d34678383922fa352
libxcb           commit f653464554469b5767f1c99abced25a76bace047
libxcb/xcb-proto commit 4087fc682c5ceb849b74442e17a6b73176e5eecb
xkeyboard-config commit a224a636139d22e1dc7ca7d23782cd656e87bcf5
libX11           commit 3d69b0a83e62f8f6fbdd952fc49cdbdf8825e1e6
libXdmcp         commit 089081dca4ba3598c6f9bf401c029378943b5854
libXext          commit bb24f2970f2e425f4df90c9b73d078ad15a73fbb
libfontenc       commit 3acba630d8b57084f7e92c15732408711ed5137a
libXinerama      commit edd95182b26eb5d576d4878c559e0f17dddaa909
libXau           commit 304a11be4727c5a7feeb2501e8e001466f8ce84e
xkbcomp          commit e3e6e938535532bfad175c1635256ab7fb3ac943
pixman           commit 945ab7a6f3eb6241f07e8f094dc0e647d1f10d9d
xextproto        commit 3f355f138d6df57e067458a20f47307883048adb
randrproto       commit e7526e6b5fe0966929cda10b2ded0258413744db
glproto          commit f84853d97d5749308992412a215fa518b6536eb3
mkfontscale      commit 880a0c4733e62e54e6a0f1238c7430727d23657b
xwininfo         commit ba0d1b0da21d2dbdd81098ed5778f3792b472e13
libXft           commit 4acfdaf95adb0a05c2a25550bdde036c865902f4
libXmu           commit 22d9c590901e121936f50dee97dc60c4f7defb63
libxtrans        commit 2c0a7840a28ae696e80e73157856d7a049fdf6c7
fontconfig       commit 5c725f2f5829238d16116f782d00d8bb0defaf08
mesa             commit 2efe7927d38983029784825fc4897e9b77aa237e

1 files changed, 668 insertions, 0 deletions

diff --git a/mesalib/src/mesa/main/textureview.c b/mesalib/src/mesa/main/textureview.c
new file mode 100644
index 000000000..5f88a4171
--- /dev/null
+++ b/mesalib/src/mesa/main/textureview.c
@@ -0,0 +1,668 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2013 LunarG, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Courtney Goeltzenleuchter <courtney@lunarg.com>
+ */
+
+
+/**
+ * \file textureview.c
+ * GL_ARB_texture_view functions
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "enums.h"
+#include "imports.h"
+#include "macros.h"
+#include "teximage.h"
+#include "texobj.h"
+#include "mipmap.h"
+#include "texstorage.h"
+#include "textureview.h"
+#include "stdbool.h"
+#include "mtypes.h"
+
+/* Table 3.X.2 (Compatible internal formats for TextureView)
+    ---------------------------------------------------------------------------
+    | Class                 | Internal formats                                |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_128_BITS   | RGBA32F, RGBA32UI, RGBA32I                      |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_96_BITS    | RGB32F, RGB32UI, RGB32I                         |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_64_BITS    | RGBA16F, RG32F, RGBA16UI, RG32UI, RGBA16I,      |
+    |                       | RG32I, RGBA16, RGBA16_SNORM                     |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_48_BITS    | RGB16, RGB16_SNORM, RGB16F, RGB16UI, RGB16I     |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_32_BITS    | RG16F, R11F_G11F_B10F, R32F,                    |
+    |                       | RGB10_A2UI, RGBA8UI, RG16UI, R32UI,             |
+    |                       | RGBA8I, RG16I, R32I, RGB10_A2, RGBA8, RG16,     |
+    |                       | RGBA8_SNORM, RG16_SNORM, SRGB8_ALPHA8, RGB9_E5  |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_24_BITS    | RGB8, RGB8_SNORM, SRGB8, RGB8UI, RGB8I          |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_16_BITS    | R16F, RG8UI, R16UI, RG8I, R16I, RG8, R16,       |
+    |                       | RG8_SNORM, R16_SNORM                            |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_8_BITS     | R8UI, R8I, R8, R8_SNORM                         |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_RGTC1_RED  | COMPRESSED_RED_RGTC1,                           |
+    |                       | COMPRESSED_SIGNED_RED_RGTC1                     |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_RGTC2_RG   | COMPRESSED_RG_RGTC2,                            |
+    |                       | COMPRESSED_SIGNED_RG_RGTC2                      |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_BPTC_UNORM | COMPRESSED_RGBA_BPTC_UNORM,                     |
+    |                       | COMPRESSED_SRGB_ALPHA_BPTC_UNORM                |
+    ---------------------------------------------------------------------------
+    | VIEW_CLASS_BPTC_FLOAT | COMPRESSED_RGB_BPTC_SIGNED_FLOAT,               |
+    |                       | COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT              |
+    ---------------------------------------------------------------------------
+ */
+struct internal_format_class_info {
+   GLenum view_class;
+   GLenum internal_format;
+};
+static const struct internal_format_class_info compatible_internal_formats[] = {
+   {GL_VIEW_CLASS_128_BITS, GL_RGBA32F},
+   {GL_VIEW_CLASS_128_BITS, GL_RGBA32UI},
+   {GL_VIEW_CLASS_128_BITS, GL_RGBA32I},
+   {GL_VIEW_CLASS_96_BITS, GL_RGB32F},
+   {GL_VIEW_CLASS_96_BITS, GL_RGB32UI},
+   {GL_VIEW_CLASS_96_BITS, GL_RGB32I},
+   {GL_VIEW_CLASS_64_BITS, GL_RGBA16F},
+   {GL_VIEW_CLASS_64_BITS, GL_RG32F},
+   {GL_VIEW_CLASS_64_BITS, GL_RGBA16UI},
+   {GL_VIEW_CLASS_64_BITS, GL_RG32UI},
+   {GL_VIEW_CLASS_64_BITS, GL_RGBA16I},
+   {GL_VIEW_CLASS_64_BITS, GL_RG32I},
+   {GL_VIEW_CLASS_64_BITS, GL_RGBA16},
+   {GL_VIEW_CLASS_64_BITS, GL_RGBA16_SNORM},
+   {GL_VIEW_CLASS_48_BITS, GL_RGB16},
+   {GL_VIEW_CLASS_48_BITS, GL_RGB16_SNORM},
+   {GL_VIEW_CLASS_48_BITS, GL_RGB16F},
+   {GL_VIEW_CLASS_48_BITS, GL_RGB16UI},
+   {GL_VIEW_CLASS_48_BITS, GL_RGB16I},
+   {GL_VIEW_CLASS_32_BITS, GL_RG16F},
+   {GL_VIEW_CLASS_32_BITS, GL_R11F_G11F_B10F},
+   {GL_VIEW_CLASS_32_BITS, GL_R32F},
+   {GL_VIEW_CLASS_32_BITS, GL_RGB10_A2UI},
+   {GL_VIEW_CLASS_32_BITS, GL_RGBA8UI},
+   {GL_VIEW_CLASS_32_BITS, GL_RG16UI},
+   {GL_VIEW_CLASS_32_BITS, GL_R32UI},
+   {GL_VIEW_CLASS_32_BITS, GL_RGBA8I},
+   {GL_VIEW_CLASS_32_BITS, GL_RG16I},
+   {GL_VIEW_CLASS_32_BITS, GL_R32I},
+   {GL_VIEW_CLASS_32_BITS, GL_RGB10_A2},
+   {GL_VIEW_CLASS_32_BITS, GL_RGBA8},
+   {GL_VIEW_CLASS_32_BITS, GL_RG16},
+   {GL_VIEW_CLASS_32_BITS, GL_RGBA8_SNORM},
+   {GL_VIEW_CLASS_32_BITS, GL_RG16_SNORM},
+   {GL_VIEW_CLASS_32_BITS, GL_SRGB8_ALPHA8},
+   {GL_VIEW_CLASS_32_BITS, GL_RGB9_E5},
+   {GL_VIEW_CLASS_24_BITS, GL_RGB8},
+   {GL_VIEW_CLASS_24_BITS, GL_RGB8_SNORM},
+   {GL_VIEW_CLASS_24_BITS, GL_SRGB8},
+   {GL_VIEW_CLASS_24_BITS, GL_RGB8UI},
+   {GL_VIEW_CLASS_24_BITS, GL_RGB8I},
+   {GL_VIEW_CLASS_16_BITS, GL_R16F},
+   {GL_VIEW_CLASS_16_BITS, GL_RG8UI},
+   {GL_VIEW_CLASS_16_BITS, GL_R16UI},
+   {GL_VIEW_CLASS_16_BITS, GL_RG8I},
+   {GL_VIEW_CLASS_16_BITS, GL_R16I},
+   {GL_VIEW_CLASS_16_BITS, GL_RG8},
+   {GL_VIEW_CLASS_16_BITS, GL_R16},
+   {GL_VIEW_CLASS_16_BITS, GL_RG8_SNORM},
+   {GL_VIEW_CLASS_16_BITS, GL_R16_SNORM},
+   {GL_VIEW_CLASS_8_BITS, GL_R8UI},
+   {GL_VIEW_CLASS_8_BITS, GL_R8I},
+   {GL_VIEW_CLASS_8_BITS, GL_R8},
+   {GL_VIEW_CLASS_8_BITS, GL_R8_SNORM},
+   {GL_VIEW_CLASS_RGTC1_RED, GL_COMPRESSED_RED_RGTC1},
+   {GL_VIEW_CLASS_RGTC1_RED, GL_COMPRESSED_SIGNED_RED_RGTC1},
+   {GL_VIEW_CLASS_RGTC2_RG, GL_COMPRESSED_RG_RGTC2},
+   {GL_VIEW_CLASS_RGTC2_RG, GL_COMPRESSED_SIGNED_RG_RGTC2},
+   {GL_VIEW_CLASS_BPTC_UNORM, GL_COMPRESSED_RGBA_BPTC_UNORM_ARB},
+   {GL_VIEW_CLASS_BPTC_UNORM, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB},
+   {GL_VIEW_CLASS_BPTC_FLOAT, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB},
+   {GL_VIEW_CLASS_BPTC_FLOAT, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB},
+};
+
+static const struct internal_format_class_info s3tc_compatible_internal_formats[] = {
+   {GL_VIEW_CLASS_S3TC_DXT1_RGB, GL_COMPRESSED_RGB_S3TC_DXT1_EXT},
+   {GL_VIEW_CLASS_S3TC_DXT1_RGB, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT},
+   {GL_VIEW_CLASS_S3TC_DXT1_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT},
+   {GL_VIEW_CLASS_S3TC_DXT1_RGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT},
+   {GL_VIEW_CLASS_S3TC_DXT3_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT},
+   {GL_VIEW_CLASS_S3TC_DXT3_RGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT},
+   {GL_VIEW_CLASS_S3TC_DXT5_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT},
+   {GL_VIEW_CLASS_S3TC_DXT5_RGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT},
+};
+
+/**
+ * Lookup format view class based on internalformat
+ * \return VIEW_CLASS if internalformat found in table, false otherwise.
+ */
+static GLenum
+lookup_view_class(struct gl_context *ctx, GLenum internalformat)
+{
+   GLuint i;
+
+   for (i = 0; i < ARRAY_SIZE(compatible_internal_formats); i++) {
+      if (compatible_internal_formats[i].internal_format == internalformat)
+         return compatible_internal_formats[i].view_class;
+   }
+
+   if (ctx->Extensions.EXT_texture_compression_s3tc && ctx->Extensions.EXT_texture_sRGB) {
+      for (i = 0; i < ARRAY_SIZE(s3tc_compatible_internal_formats); i++) {
+         if (s3tc_compatible_internal_formats[i].internal_format == internalformat)
+            return s3tc_compatible_internal_formats[i].view_class;
+      }
+   }
+   return GL_FALSE;
+}
+
+/**
+ * Initialize new texture's gl_texture_image structures. Will not call driver
+ * to allocate new space, simply record relevant layer, face, format, etc.
+ * \return GL_FALSE if any error, GL_TRUE otherwise.
+ */
+static GLboolean
+initialize_texture_fields(struct gl_context *ctx,
+                          GLenum target,
+                          struct gl_texture_object *texObj,
+                          GLint levels,
+                          GLsizei width, GLsizei height, GLsizei depth,
+                          GLenum internalFormat, gl_format texFormat)
+{
+   const GLuint numFaces = _mesa_num_tex_faces(target);
+   GLint level, levelWidth = width, levelHeight = height, levelDepth = depth;
+   GLuint face;
+
+   /* Pretend we are bound to initialize the gl_texture_image structs */
+   texObj->Target = target;
+
+   /* Set up all the texture object's gl_texture_images */
+   for (level = 0; level < levels; level++) {
+      for (face = 0; face < numFaces; face++) {
+         struct gl_texture_image *texImage;
+         GLenum faceTarget = target;
+
+         if (target == GL_TEXTURE_CUBE_MAP)
+            faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + face;
+
+         texImage = _mesa_get_tex_image(ctx, texObj, faceTarget, level);
+
+         if (!texImage) {
+            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage");
+            return GL_FALSE;
+         }
+
+         _mesa_init_teximage_fields(ctx, texImage,
+                                    levelWidth, levelHeight, levelDepth,
+                                    0, internalFormat, texFormat);
+      }
+
+      _mesa_next_mipmap_level_size(target, 0, levelWidth, levelHeight, levelDepth,
+                                   &levelWidth, &levelHeight, &levelDepth);
+   }
+
+   /* "unbind" */
+   texObj->Target = 0;
+
+   return GL_TRUE;
+}
+
+#define RETURN_IF_SUPPORTED(t) do {		\
+   if (newTarget == GL_ ## t)                   \
+      return true;				\
+} while (0)
+
+/**
+ * Check for compatible target
+ * If an error is found, record it with _mesa_error()
+ * \return false if any error, true otherwise.
+ */
+static bool
+target_valid(struct gl_context *ctx, GLenum origTarget, GLenum newTarget)
+{
+   /*
+    * From ARB_texture_view spec:
+   ---------------------------------------------------------------------------------------------------------
+   | Original target              | Valid new targets |
+   ---------------------------------------------------------------------------------------------------------
+   | TEXTURE_1D                   | TEXTURE_1D, TEXTURE_1D_ARRAY |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_2D                   | TEXTURE_2D, TEXTURE_2D_ARRAY |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_3D                   | TEXTURE_3D |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_CUBE_MAP             | TEXTURE_CUBE_MAP, TEXTURE_2D, TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_RECTANGLE            | TEXTURE_RECTANGLE |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_BUFFER               | <none> |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_1D_ARRAY             | TEXTURE_1D_ARRAY, TEXTURE_1D |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_2D_ARRAY             | TEXTURE_2D_ARRAY, TEXTURE_2D, TEXTURE_CUBE_MAP, TEXTURE_CUBE_MAP_ARRAY |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_CUBE_MAP_ARRAY       | TEXTURE_CUBE_MAP_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_2D, TEXTURE_CUBE_MAP |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_2D_MULTISAMPLE       | TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY |
+   | ------------------------------------------------------------------------------------------------------- |
+   | TEXTURE_2D_MULTISAMPLE_ARRAY | TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY |
+   ---------------------------------------------------------------------------------------------------------
+    */
+
+   switch (origTarget) {
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_1D_ARRAY:
+      RETURN_IF_SUPPORTED(TEXTURE_1D);
+      RETURN_IF_SUPPORTED(TEXTURE_1D_ARRAY);
+      break;
+   case GL_TEXTURE_2D:
+      RETURN_IF_SUPPORTED(TEXTURE_2D);
+      RETURN_IF_SUPPORTED(TEXTURE_2D_ARRAY);
+      break;
+   case GL_TEXTURE_3D:
+      RETURN_IF_SUPPORTED(TEXTURE_3D);
+      break;
+   case GL_TEXTURE_RECTANGLE:
+      RETURN_IF_SUPPORTED(TEXTURE_RECTANGLE);
+      break;
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+      RETURN_IF_SUPPORTED(TEXTURE_2D);
+      RETURN_IF_SUPPORTED(TEXTURE_2D_ARRAY);
+      RETURN_IF_SUPPORTED(TEXTURE_CUBE_MAP);
+      RETURN_IF_SUPPORTED(TEXTURE_CUBE_MAP_ARRAY);
+      break;
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      RETURN_IF_SUPPORTED(TEXTURE_2D_MULTISAMPLE);
+      RETURN_IF_SUPPORTED(TEXTURE_2D_MULTISAMPLE_ARRAY);
+      break;
+   }
+   _mesa_error(ctx, GL_INVALID_OPERATION,
+               "glTextureView(illegal target=%s)",
+               _mesa_lookup_enum_by_nr(newTarget));
+   return false;
+}
+#undef RETURN_IF_SUPPORTED
+
+/**
+ * Check for compatible format
+ * If an error is found, record it with _mesa_error()
+ * \return false if any error, true otherwise.
+ */
+static bool
+compatible_format(struct gl_context *ctx, const struct gl_texture_object *origTexObj,
+                  GLenum internalformat)
+{
+   /* Level 0 of a texture created by glTextureStorage or glTextureView
+    * is always defined.
+    */
+   struct gl_texture_image *texImage = origTexObj->Image[0][0];
+   GLint origInternalFormat = texImage->InternalFormat;
+   unsigned int origViewClass, newViewClass;
+
+   /* The two textures' internal formats must be compatible according to
+    * Table 3.X.2 (Compatible internal formats for TextureView)
+    * if the internal format exists in that table the view class must match.
+    * The internal formats must be identical if not in that table,
+    * or an INVALID_OPERATION error is generated.
+    */
+   if (origInternalFormat == internalformat)
+      return true;
+
+   origViewClass = lookup_view_class(ctx, origInternalFormat);
+   newViewClass = lookup_view_class(ctx, internalformat);
+   if ((origViewClass == newViewClass) && origViewClass != false)
+      return true;
+
+   _mesa_error(ctx, GL_INVALID_OPERATION,
+               "glTextureView(internalformat %s not compatible with origtexture %s)",
+               _mesa_lookup_enum_by_nr(internalformat),
+               _mesa_lookup_enum_by_nr(origInternalFormat));
+   return false;
+}
+/**
+ * Helper function for TexStorage and teximagemultisample to set immutable
+ * texture state needed by ARB_texture_view.
+ */
+void
+_mesa_set_texture_view_state(struct gl_context *ctx,
+                             struct gl_texture_object *texObj,
+                             GLenum target, GLuint levels)
+{
+   struct gl_texture_image *texImage;
+
+   /* Get a reference to what will become this View's base level */
+   texImage = _mesa_select_tex_image(ctx, texObj, target, 0);
+
+   /* When an immutable texture is created via glTexStorage or glTexImageMultisample,
+    * TEXTURE_IMMUTABLE_FORMAT becomes TRUE.
+    * TEXTURE_IMMUTABLE_LEVELS and TEXTURE_VIEW_NUM_LEVELS become levels.
+    * If the texture target is TEXTURE_1D_ARRAY then
+    * TEXTURE_VIEW_NUM_LAYERS becomes height.
+    * If the texture target is TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY,
+    * or TEXTURE_2D_MULTISAMPLE_ARRAY then TEXTURE_VIEW_NUM_LAYERS becomes depth.
+    * If the texture target is TEXTURE_CUBE_MAP, then
+    * TEXTURE_VIEW_NUM_LAYERS becomes 6.
+    * For any other texture target, TEXTURE_VIEW_NUM_LAYERS becomes 1.
+    * 
+    * ARB_texture_multisample: Multisample textures do
+    * not have multiple image levels.
+    */
+
+   texObj->Immutable = GL_TRUE;
+   texObj->ImmutableLevels = levels;
+   texObj->MinLevel = 0;
+   texObj->NumLevels = levels;
+   texObj->MinLayer = 0;
+   texObj->NumLayers = 1;
+   switch (target) {
+   case GL_TEXTURE_1D_ARRAY:
+      texObj->NumLayers = texImage->Height;
+      break;
+
+   case GL_TEXTURE_2D_MULTISAMPLE:
+      texObj->NumLevels = 1;
+      texObj->ImmutableLevels = 1;
+      break;
+
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      texObj->NumLevels = 1;
+      texObj->ImmutableLevels = 1;
+      /* fall through to set NumLayers */
+
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+      texObj->NumLayers = texImage->Depth;
+      break;
+
+   case GL_TEXTURE_CUBE_MAP:
+      texObj->NumLayers = 6;
+      break;
+
+   }
+}
+
+/**
+ * glTextureView (ARB_texture_view)
+ * If an error is found, record it with _mesa_error()
+ * \return none.
+ */
+void GLAPIENTRY
+_mesa_TextureView(GLuint texture, GLenum target, GLuint origtexture,
+                  GLenum internalformat,
+                  GLuint minlevel, GLuint numlevels,
+                  GLuint minlayer, GLuint numlayers)
+{
+   struct gl_texture_object *texObj;
+   struct gl_texture_object *origTexObj;
+   struct gl_texture_image *origTexImage;
+   GLuint newViewMinLevel, newViewMinLayer;
+   GLuint newViewNumLevels, newViewNumLayers;
+   GLsizei width, height, depth;
+   gl_format texFormat;
+   GLboolean sizeOK, dimensionsOK;
+   GLenum faceTarget;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE))
+      _mesa_debug(ctx, "glTextureView %d %s %d %s %d %d %d %d\n",
+                  texture, _mesa_lookup_enum_by_nr(target), origtexture,
+                  _mesa_lookup_enum_by_nr(internalformat),
+                  minlevel, numlevels, minlayer, numlayers);
+
+   if (origtexture == 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glTextureView(origtexture = %u)", origtexture);
+      return;
+   }
+
+   /* Need original texture information to validate arguments */
+   origTexObj = _mesa_lookup_texture(ctx, origtexture);
+
+   /* If <origtexture> is not the name of a texture, INVALID_VALUE is generated. */
+   if (!origTexObj) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glTextureView(origtexture = %u)", origtexture);
+      return;
+   }
+
+   /* If <origtexture>'s TEXTURE_IMMUTABLE_FORMAT value is not TRUE,
+    * INVALID_OPERATION is generated.
+    */
+   if (!origTexObj->Immutable) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureView(origtexture not immutable)");
+      return;
+   }
+
+   /* If <texture> is 0, INVALID_VALUE is generated. */
+   if (texture == 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glTextureView(texture = 0)");
+      return;
+   }
+
+   /* If <texture> is not a valid name returned by GenTextures,
+    * the error INVALID_OPERATION is generated.
+    */
+   texObj = _mesa_lookup_texture(ctx, texture);
+   if (texObj == NULL) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureView(texture = %u non-gen name)", texture);
+      return;
+   }
+
+   /* If <texture> has already been bound and given a target, then
+    * the error INVALID_OPERATION is generated.
+    */
+   if (texObj->Target) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureView(texture = %u already bound)", texture);
+      return;
+   }
+
+   /* Check for compatible target */
+   if (!target_valid(ctx, origTexObj->Target, target)) {
+      return; /* error was recorded */
+   }
+
+   /* minlevel and minlayer are relative to the view of origtexture
+    * If minlevel or minlayer is greater than level or layer, respectively,
+    * of origtexture return INVALID_VALUE.
+    */
+   newViewMinLevel = origTexObj->MinLevel + minlevel;
+   newViewMinLayer = origTexObj->MinLayer + minlayer;
+   if (newViewMinLevel >= (origTexObj->MinLevel + origTexObj->NumLevels)) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glTextureView(new minlevel (%d) > orig minlevel (%d) + orig numlevels (%d))",
+                  newViewMinLevel, origTexObj->MinLevel, origTexObj->NumLevels);
+      return;
+   }
+
+   if (newViewMinLayer >= (origTexObj->MinLayer + origTexObj->NumLayers)) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glTextureView(new minlayer (%d) > orig minlayer (%d) + orig numlayers (%d))",
+                  newViewMinLayer, origTexObj->MinLayer, origTexObj->NumLayers);
+      return;
+   }
+
+   if (!compatible_format(ctx, origTexObj, internalformat)) {
+      return; /* Error logged */
+   }
+
+   texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
+                                           internalformat, GL_NONE, GL_NONE);
+   assert(texFormat != MESA_FORMAT_NONE);
+   if (texFormat == MESA_FORMAT_NONE) return;
+
+   newViewNumLevels = MIN2(numlevels, origTexObj->NumLevels - minlevel);
+   newViewNumLayers = MIN2(numlayers, origTexObj->NumLayers - minlayer);
+
+   faceTarget = origTexObj->Target;
+   if (faceTarget == GL_TEXTURE_CUBE_MAP)
+      faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + minlayer;
+
+   /* Get a reference to what will become this View's base level */
+   origTexImage = _mesa_select_tex_image(ctx, origTexObj,
+                                         faceTarget, minlevel);
+   width = origTexImage->Width;
+   height = origTexImage->Height;
+   depth = origTexImage->Depth;
+
+   /* Adjust width, height, depth to be appropriate for new target */
+   switch (target) {
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_3D:
+      break;
+
+   case GL_TEXTURE_1D_ARRAY:
+      height = (GLsizei) newViewNumLayers;
+      break;
+
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_RECTANGLE:
+   case GL_TEXTURE_CUBE_MAP:
+      depth = 1;
+      break;
+
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      depth = newViewNumLayers;
+      break;
+   }
+
+   /* If the dimensions of the original texture are larger than the maximum
+    * supported dimensions of the new target, the error INVALID_OPERATION is
+    * generated. For example, if the original texture has a TEXTURE_2D_ARRAY
+    * target and its width is greater than MAX_CUBE_MAP_TEXTURE_SIZE, an error
+    * will be generated if TextureView is called to create a TEXTURE_CUBE_MAP
+    * view.
+    */
+   dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
+                                                 width, height, depth, 0);
+   if (!dimensionsOK) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureView(invalid width or height or depth)");
+      return;
+   }
+
+   sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, 0, texFormat,
+                                          width, height, depth, 0);
+   if (!sizeOK) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureView(invalid texture size)");
+      return;
+   }
+
+   /* If <target> is TEXTURE_1D, TEXTURE_2D, TEXTURE_3D, TEXTURE_RECTANGLE,
+    * or TEXTURE_2D_MULTISAMPLE and <numlayers> does not equal 1, the error
+    * INVALID_VALUE is generated.
+    */
+   switch (target) {
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_3D:
+   case GL_TEXTURE_RECTANGLE:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+      if (numlayers != 1) {
+         _mesa_error(ctx, GL_INVALID_VALUE, "glTextureView(numlayers %d != 1)", numlayers);
+         return;
+      }
+      break;
+
+   case GL_TEXTURE_CUBE_MAP:
+      /* If the new texture's target is TEXTURE_CUBE_MAP, the clamped <numlayers>
+       * must be equal to 6.
+       */
+      if (newViewNumLayers != 6) {
+         _mesa_error(ctx, GL_INVALID_VALUE, "glTextureView(clamped numlayers %d != 6)",
+                     newViewNumLayers);
+         return;
+      }
+      break;
+
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+      /* If the new texture's target is TEXTURE_CUBE_MAP_ARRAY,
+       * then <numlayers> counts layer-faces rather than layers,
+       * and the clamped <numlayers> must be a multiple of 6.
+       * Otherwise, the error INVALID_VALUE is generated.
+       */
+      if ((newViewNumLayers % 6) != 0) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glTextureView(clamped numlayers %d is not a multiple of 6)",
+                     newViewNumLayers);
+         return;
+      }
+      break;
+   }
+
+   /* If the new texture's target is TEXTURE_CUBE_MAP or
+    * TEXTURE_CUBE_MAP_ARRAY, the width and height of the original texture's
+    * levels must be equal otherwise the error INVALID_OPERATION is generated.
+    */
+   if ((target == GL_TEXTURE_CUBE_MAP || target == GL_TEXTURE_CUBE_MAP_ARRAY) &&
+       (origTexImage->Width != origTexImage->Height)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureView(origtexture width (%d) != height (%d))",
+                  origTexImage->Width, origTexImage->Height);
+      return;
+   }
+
+   /* When the original texture's target is TEXTURE_CUBE_MAP, the layer
+    * parameters are interpreted in the same order as if it were a
+    * TEXTURE_CUBE_MAP_ARRAY with 6 layer-faces.
+    */
+
+   /* If the internal format does not exactly match the internal format of the
+    * original texture, the contents of the memory are reinterpreted in the
+    * same manner as for image bindings described in
+    * section 3.9.20 (Texture Image Loads and Stores).
+    */
+
+   /* TEXTURE_BASE_LEVEL and TEXTURE_MAX_LEVEL are interpreted
+    * relative to the view and not relative to the original data store.
+    */
+
+   if (!initialize_texture_fields(ctx, target, texObj, newViewNumLevels,
+                                  width, height, depth,
+                                  internalformat, texFormat)) {
+      return; /* Already recorded error */
+   }
+
+   texObj->MinLevel = newViewMinLevel;
+   texObj->MinLayer = newViewMinLayer;
+   texObj->NumLevels = newViewNumLevels;
+   texObj->NumLayers = newViewNumLayers;
+   texObj->Immutable = GL_TRUE;
+   texObj->ImmutableLevels = origTexObj->ImmutableLevels;
+   texObj->Target = target;
+
+   if (ctx->Driver.TextureView != NULL && !ctx->Driver.TextureView(ctx, texObj, origTexObj)) {
+      return; /* driver recorded error */
+   }
+}