glthread: track instance divisor changes
[mesa.git] / src / mesa / main / texparam.c
index c4ec29533e2ac507d65338c962455c92dee62a20..e0dbdbbb1a23e84912623b350d87af713c330316 100644 (file)
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.5
  *
  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
  * 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
- * BRIAN PAUL 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.
+ * 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.
  */
 
-/** 
+/**
  * \file texparam.c
  *
  * glTexParameter-related functions
  */
 
-
+#include <stdbool.h>
 #include "main/glheader.h"
-#include "main/colormac.h"
+#include "main/blend.h"
 #include "main/context.h"
 #include "main/enums.h"
 #include "main/formats.h"
+#include "main/glformats.h"
 #include "main/macros.h"
-#include "main/mfeatures.h"
 #include "main/mtypes.h"
 #include "main/state.h"
 #include "main/texcompress.h"
+#include "main/texobj.h"
 #include "main/texparam.h"
 #include "main/teximage.h"
 #include "main/texstate.h"
-#include "main/texfetch.h"
 #include "program/prog_instruction.h"
+#include "util/u_math.h"
 
 
 /**
  * Check if a coordinate wrap mode is supported for the texture target.
  * \return GL_TRUE if legal, GL_FALSE otherwise
  */
-static GLboolean 
+static GLboolean
 validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap)
 {
    const struct gl_extensions * const e = & ctx->Extensions;
+   const bool is_desktop_gl = _mesa_is_desktop_gl(ctx);
+   bool supported;
+
+   switch (wrap) {
+   case GL_CLAMP:
+      /* GL_CLAMP was removed in the core profile, and it has never existed in
+       * OpenGL ES.
+       */
+      supported = (ctx->API == API_OPENGL_COMPAT)
+         && (target != GL_TEXTURE_EXTERNAL_OES);
+      break;
 
-   if (wrap == GL_CLAMP || wrap == GL_CLAMP_TO_EDGE ||
-       (wrap == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) {
-      /* any texture target */
-      return GL_TRUE;
-   }
-   else if (target != GL_TEXTURE_RECTANGLE_NV &&
-           (wrap == GL_REPEAT ||
-            (wrap == GL_MIRRORED_REPEAT &&
-             e->ARB_texture_mirrored_repeat) ||
-            (wrap == GL_MIRROR_CLAMP_EXT &&
-             (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
-            (wrap == GL_MIRROR_CLAMP_TO_EDGE_EXT &&
-             (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
-            (wrap == GL_MIRROR_CLAMP_TO_BORDER_EXT &&
-             (e->EXT_texture_mirror_clamp)))) {
-      /* non-rectangle texture */
-      return GL_TRUE;
+   case GL_CLAMP_TO_EDGE:
+      supported = true;
+      break;
+
+   case GL_CLAMP_TO_BORDER:
+      supported = ctx->API != API_OPENGLES && e->ARB_texture_border_clamp
+         && (target != GL_TEXTURE_EXTERNAL_OES);
+      break;
+
+   case GL_REPEAT:
+   case GL_MIRRORED_REPEAT:
+      supported = (target != GL_TEXTURE_RECTANGLE_NV)
+         && (target != GL_TEXTURE_EXTERNAL_OES);
+      break;
+
+   case GL_MIRROR_CLAMP_EXT:
+      supported = is_desktop_gl
+         && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)
+         && (target != GL_TEXTURE_RECTANGLE_NV)
+         && (target != GL_TEXTURE_EXTERNAL_OES);
+      break;
+
+   case GL_MIRROR_CLAMP_TO_EDGE_EXT:
+      supported = is_desktop_gl
+         && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp || e->ARB_texture_mirror_clamp_to_edge)
+         && (target != GL_TEXTURE_RECTANGLE_NV)
+         && (target != GL_TEXTURE_EXTERNAL_OES);
+      break;
+
+   case GL_MIRROR_CLAMP_TO_BORDER_EXT:
+      supported = is_desktop_gl && e->EXT_texture_mirror_clamp
+         && (target != GL_TEXTURE_RECTANGLE_NV)
+         && (target != GL_TEXTURE_EXTERNAL_OES);
+      break;
+
+   default:
+      supported = false;
+      break;
    }
 
-   _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap );
-   return GL_FALSE;
+   if (!supported)
+      _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap );
+
+   return supported;
+}
+
+
+static bool
+is_texparameteri_target_valid(GLenum target)
+{
+   switch (target) {
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_1D_ARRAY:
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_TEXTURE_3D:
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_RECTANGLE:
+      return true;
+   default:
+      return false;
+   }
 }
 
 
 /**
- * Get current texture object for given target.
+ * Get current texture object for given name.
  * Return NULL if any error (and record the error).
- * Note that this is different from _mesa_select_tex_object() in that proxy
- * targets are not accepted.
+ * Note that proxy targets are not accepted.
  * Only the glGetTexLevelParameter() functions accept proxy targets.
  */
 static struct gl_texture_object *
-get_texobj(struct gl_context *ctx, GLenum target, GLboolean get)
+get_texobj_by_name(struct gl_context *ctx, GLuint texture, const char *name)
 {
-   struct gl_texture_unit *texUnit;
+   struct gl_texture_object *texObj;
 
-   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "gl%sTexParameter(current unit)", get ? "Get" : "");
+   texObj = _mesa_lookup_texture_err(ctx, texture, name);
+   if (!texObj)
       return NULL;
-   }
-
-   texUnit = _mesa_get_current_tex_unit(ctx);
 
-   switch (target) {
-   case GL_TEXTURE_1D:
-      return texUnit->CurrentTex[TEXTURE_1D_INDEX];
-   case GL_TEXTURE_2D:
-      return texUnit->CurrentTex[TEXTURE_2D_INDEX];
-   case GL_TEXTURE_3D:
-      return texUnit->CurrentTex[TEXTURE_3D_INDEX];
-   case GL_TEXTURE_CUBE_MAP:
-      if (ctx->Extensions.ARB_texture_cube_map) {
-         return texUnit->CurrentTex[TEXTURE_CUBE_INDEX];
-      }
-      break;
-   case GL_TEXTURE_RECTANGLE_NV:
-      if (ctx->Extensions.NV_texture_rectangle) {
-         return texUnit->CurrentTex[TEXTURE_RECT_INDEX];
-      }
-      break;
-   case GL_TEXTURE_1D_ARRAY_EXT:
-      if (ctx->Extensions.MESA_texture_array ||
-          ctx->Extensions.EXT_texture_array) {
-         return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX];
-      }
-      break;
-   case GL_TEXTURE_2D_ARRAY_EXT:
-      if (ctx->Extensions.MESA_texture_array ||
-          ctx->Extensions.EXT_texture_array) {
-         return texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX];
-      }
-      break;
-   default:
-      ;
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(target)", name);
+      return NULL;
    }
 
-   _mesa_error(ctx, GL_INVALID_ENUM,
-                  "gl%sTexParameter(target)", get ? "Get" : "");
-   return NULL;
+   return texObj;
 }
 
 
@@ -166,10 +187,10 @@ comp_to_swizzle(GLenum comp)
 
 
 static void
-set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
+set_swizzle_component(GLushort *swizzle, GLuint comp, GLuint swz)
 {
-   ASSERT(comp < 4);
-   ASSERT(swz <= SWIZZLE_NIL);
+   assert(comp < 4);
+   assert(swz <= SWIZZLE_NIL);
    {
       GLuint mask = 0x7 << (3 * comp);
       GLuint s = (*swizzle & ~mask) | (swz << (3 * comp));
@@ -180,28 +201,41 @@ set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
 
 /**
  * This is called just prior to changing any texture object state which
- * will not effect texture completeness.
+ * will not affect texture completeness.
  */
-static INLINE void
+static inline void
 flush(struct gl_context *ctx)
 {
-   FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+   FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
 }
 
 
 /**
  * This is called just prior to changing any texture object state which
- * can effect texture completeness (texture base level, max level,
- * minification filter).
- * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE
+ * could affect texture completeness (texture base level, max level).
+ * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE_OBJECT
  * state flag and then mark the texture object as 'incomplete' so that any
  * per-texture derived state gets recomputed.
  */
-static INLINE void
+static inline void
 incomplete(struct gl_context *ctx, struct gl_texture_object *texObj)
 {
-   FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-   texObj->_Complete = GL_FALSE;
+   FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
+   _mesa_dirty_texobj(ctx, texObj);
+}
+
+
+GLboolean
+_mesa_target_allows_setting_sampler_parameters(GLenum target)
+{
+   switch (target) {
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return GL_FALSE;
+
+   default:
+      return GL_TRUE;
+   }
 }
 
 
@@ -212,24 +246,43 @@ incomplete(struct gl_context *ctx, struct gl_texture_object *texObj)
 static GLboolean
 set_tex_parameteri(struct gl_context *ctx,
                    struct gl_texture_object *texObj,
-                   GLenum pname, const GLint *params)
+                   GLenum pname, const GLint *params, bool dsa)
 {
+   const char *suffix = dsa ? "ture" : "";
+
+   if (texObj->HandleAllocated) {
+      /* The ARB_bindless_texture spec says:
+       *
+       * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
+       * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
+       * functions defined in terms of these, if the texture object to be
+       * modified is referenced by one or more texture or image handles."
+       */
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glTex%sParameter(immutable texture)", suffix);
+      return GL_FALSE;
+   }
+
    switch (pname) {
    case GL_TEXTURE_MIN_FILTER:
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       if (texObj->Sampler.MinFilter == params[0])
          return GL_FALSE;
       switch (params[0]) {
       case GL_NEAREST:
       case GL_LINEAR:
-         incomplete(ctx, texObj);
+         flush(ctx);
          texObj->Sampler.MinFilter = params[0];
          return GL_TRUE;
       case GL_NEAREST_MIPMAP_NEAREST:
       case GL_LINEAR_MIPMAP_NEAREST:
       case GL_NEAREST_MIPMAP_LINEAR:
       case GL_LINEAR_MIPMAP_LINEAR:
-         if (texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
-            incomplete(ctx, texObj);
+         if (texObj->Target != GL_TEXTURE_RECTANGLE_NV &&
+             texObj->Target != GL_TEXTURE_EXTERNAL_OES) {
+            flush(ctx);
             texObj->Sampler.MinFilter = params[0];
             return GL_TRUE;
          }
@@ -240,6 +293,9 @@ set_tex_parameteri(struct gl_context *ctx,
       return GL_FALSE;
 
    case GL_TEXTURE_MAG_FILTER:
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       if (texObj->Sampler.MagFilter == params[0])
          return GL_FALSE;
       switch (params[0]) {
@@ -254,6 +310,9 @@ set_tex_parameteri(struct gl_context *ctx,
       return GL_FALSE;
 
    case GL_TEXTURE_WRAP_S:
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       if (texObj->Sampler.WrapS == params[0])
          return GL_FALSE;
       if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
@@ -264,6 +323,9 @@ set_tex_parameteri(struct gl_context *ctx,
       return GL_FALSE;
 
    case GL_TEXTURE_WRAP_T:
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       if (texObj->Sampler.WrapT == params[0])
          return GL_FALSE;
       if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
@@ -274,6 +336,9 @@ set_tex_parameteri(struct gl_context *ctx,
       return GL_FALSE;
 
    case GL_TEXTURE_WRAP_R:
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       if (texObj->Sampler.WrapR == params[0])
          return GL_FALSE;
       if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
@@ -284,31 +349,82 @@ set_tex_parameteri(struct gl_context *ctx,
       return GL_FALSE;
 
    case GL_TEXTURE_BASE_LEVEL:
+      if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+         goto invalid_pname;
+
       if (texObj->BaseLevel == params[0])
          return GL_FALSE;
-      if (params[0] < 0 ||
-          (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) {
+
+      /* Section 8.10 (Texture Parameters) of the OpenGL 4.5 Core Profile spec
+       * says:
+       *
+       *    An INVALID_OPERATION error is generated if the effective target is
+       *    TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY, or
+       *    TEXTURE_RECTANGLE, and pname TEXTURE_BASE_LEVEL is set to a value
+       *    other than zero.
+       *
+       * Note that section 3.8.8 (Texture Parameters) of the OpenGL 3.3 Core
+       * Profile spec said:
+       *
+       *    The error INVALID_VALUE is generated if TEXTURE_BASE_LEVEL is set
+       *    to any value other than zero.
+       *
+       * We take the 4.5 language as a correction to 3.3, and we implement
+       * that on all GL versions.
+       */
+      if ((texObj->Target == GL_TEXTURE_2D_MULTISAMPLE ||
+           texObj->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY ||
+           texObj->Target == GL_TEXTURE_RECTANGLE) && params[0] != 0)
+         goto invalid_operation;
+
+      if (params[0] < 0) {
          _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glTexParameter(param=%d)", params[0]);
+                     "glTex%sParameter(param=%d)", suffix, params[0]);
          return GL_FALSE;
       }
       incomplete(ctx, texObj);
-      texObj->BaseLevel = params[0];
+
+      /** See note about ARB_texture_storage below */
+      if (texObj->Immutable)
+         texObj->BaseLevel = MIN2(texObj->ImmutableLevels - 1, params[0]);
+      else
+         texObj->BaseLevel = params[0];
+
       return GL_TRUE;
 
    case GL_TEXTURE_MAX_LEVEL:
       if (texObj->MaxLevel == params[0])
          return GL_FALSE;
-      if (params[0] < 0 || texObj->Target == GL_TEXTURE_RECTANGLE_ARB) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glTexParameter(param=%d)", params[0]);
+
+      if (params[0] < 0 ||
+          (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] > 0)) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glTex%sParameter(param=%d)", suffix,
+                     params[0]);
          return GL_FALSE;
       }
       incomplete(ctx, texObj);
-      texObj->MaxLevel = params[0];
+
+      /** From ARB_texture_storage:
+       * However, if TEXTURE_IMMUTABLE_FORMAT is TRUE, then level_base is
+       * clamped to the range [0, <levels> - 1] and level_max is then clamped to
+       * the range [level_base, <levels> - 1], where <levels> is the parameter
+       * passed the call to TexStorage* for the texture object.
+       */
+      if (texObj->Immutable)
+          texObj->MaxLevel = CLAMP(params[0], texObj->BaseLevel,
+                                   texObj->ImmutableLevels - 1);
+      else
+         texObj->MaxLevel = params[0];
+
       return GL_TRUE;
 
    case GL_GENERATE_MIPMAP_SGIS:
+      if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
+         goto invalid_pname;
+
+      if (params[0] && texObj->Target == GL_TEXTURE_EXTERNAL_OES)
+         goto invalid_param;
       if (texObj->GenerateMipmap != params[0]) {
          /* no flush() */
         texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
@@ -317,7 +433,12 @@ set_tex_parameteri(struct gl_context *ctx,
       return GL_FALSE;
 
    case GL_TEXTURE_COMPARE_MODE_ARB:
-      if (ctx->Extensions.ARB_shadow) {
+      if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
+          || _mesa_is_gles3(ctx)) {
+
+         if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+            goto invalid_enum;
+
          if (texObj->Sampler.CompareMode == params[0])
             return GL_FALSE;
          if (params[0] == GL_NONE ||
@@ -331,27 +452,26 @@ set_tex_parameteri(struct gl_context *ctx,
       goto invalid_pname;
 
    case GL_TEXTURE_COMPARE_FUNC_ARB:
-      if (ctx->Extensions.ARB_shadow) {
+      if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
+          || _mesa_is_gles3(ctx)) {
+
+         if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+            goto invalid_enum;
+
          if (texObj->Sampler.CompareFunc == params[0])
             return GL_FALSE;
          switch (params[0]) {
          case GL_LEQUAL:
          case GL_GEQUAL:
-            flush(ctx);
-            texObj->Sampler.CompareFunc = params[0];
-            return GL_TRUE;
          case GL_EQUAL:
          case GL_NOTEQUAL:
          case GL_LESS:
          case GL_GREATER:
          case GL_ALWAYS:
          case GL_NEVER:
-            if (ctx->Extensions.EXT_shadow_funcs) {
-               flush(ctx);
-               texObj->Sampler.CompareFunc = params[0];
-               return GL_TRUE;
-            }
-            /* fall-through */
+            flush(ctx);
+            texObj->Sampler.CompareFunc = params[0];
+            return GL_TRUE;
          default:
             goto invalid_param;
          }
@@ -359,54 +479,73 @@ set_tex_parameteri(struct gl_context *ctx,
       goto invalid_pname;
 
    case GL_DEPTH_TEXTURE_MODE_ARB:
-      if (ctx->Extensions.ARB_depth_texture) {
-         if (texObj->Sampler.DepthMode == params[0])
+      /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has never
+       * existed in OpenGL ES.
+       */
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_depth_texture) {
+         if (texObj->DepthMode == params[0])
             return GL_FALSE;
          if (params[0] == GL_LUMINANCE ||
              params[0] == GL_INTENSITY ||
              params[0] == GL_ALPHA ||
              (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED)) {
             flush(ctx);
-            texObj->Sampler.DepthMode = params[0];
+            texObj->DepthMode = params[0];
             return GL_TRUE;
          }
          goto invalid_param;
       }
       goto invalid_pname;
 
-#if FEATURE_OES_draw_texture
+   case GL_DEPTH_STENCIL_TEXTURE_MODE:
+      if (_mesa_has_ARB_stencil_texturing(ctx) || _mesa_is_gles31(ctx)) {
+         bool stencil = params[0] == GL_STENCIL_INDEX;
+         if (!stencil && params[0] != GL_DEPTH_COMPONENT)
+            goto invalid_param;
+
+         if (texObj->StencilSampling == stencil)
+            return GL_FALSE;
+
+         texObj->StencilSampling = stencil;
+         return GL_TRUE;
+      }
+      goto invalid_pname;
+
    case GL_TEXTURE_CROP_RECT_OES:
+      if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
+         goto invalid_pname;
+
       texObj->CropRect[0] = params[0];
       texObj->CropRect[1] = params[1];
       texObj->CropRect[2] = params[2];
       texObj->CropRect[3] = params[3];
       return GL_TRUE;
-#endif
 
    case GL_TEXTURE_SWIZZLE_R_EXT:
    case GL_TEXTURE_SWIZZLE_G_EXT:
    case GL_TEXTURE_SWIZZLE_B_EXT:
    case GL_TEXTURE_SWIZZLE_A_EXT:
-      if (ctx->Extensions.EXT_texture_swizzle) {
+      if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
+          || _mesa_is_gles3(ctx)) {
          const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
          const GLint swz = comp_to_swizzle(params[0]);
          if (swz < 0) {
-            _mesa_error(ctx, GL_INVALID_OPERATION,
-                        "glTexParameter(swizzle 0x%x)", params[0]);
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glTex%sParameter(swizzle 0x%x)", suffix, params[0]);
             return GL_FALSE;
          }
-         ASSERT(comp < 4);
-         if (swz >= 0) {
-            flush(ctx);
-            texObj->Swizzle[comp] = params[0];
-            set_swizzle_component(&texObj->_Swizzle, comp, swz);
-            return GL_TRUE;
-         }
+         assert(comp < 4);
+
+         flush(ctx);
+         texObj->Swizzle[comp] = params[0];
+         set_swizzle_component(&texObj->_Swizzle, comp, swz);
+         return GL_TRUE;
       }
       goto invalid_pname;
 
    case GL_TEXTURE_SWIZZLE_RGBA_EXT:
-      if (ctx->Extensions.EXT_texture_swizzle) {
+      if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
+          || _mesa_is_gles3(ctx)) {
          GLuint comp;
          flush(ctx);
          for (comp = 0; comp < 4; comp++) {
@@ -416,8 +555,9 @@ set_tex_parameteri(struct gl_context *ctx,
                set_swizzle_component(&texObj->_Swizzle, comp, swz);
             }
             else {
-               _mesa_error(ctx, GL_INVALID_OPERATION,
-                           "glTexParameter(swizzle 0x%x)", params[comp]);
+               _mesa_error(ctx, GL_INVALID_ENUM,
+                           "glTex%sParameter(swizzle 0x%x)",
+                           suffix, params[comp]);
                return GL_FALSE;
             }
          }
@@ -427,12 +567,15 @@ set_tex_parameteri(struct gl_context *ctx,
 
    case GL_TEXTURE_SRGB_DECODE_EXT:
       if (ctx->Extensions.EXT_texture_sRGB_decode) {
-        GLenum decode = params[0];
+         GLenum decode = params[0];
+
+         if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+            goto invalid_enum;
+
         if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) {
            if (texObj->Sampler.sRGBDecode != decode) {
               flush(ctx);
               texObj->Sampler.sRGBDecode = decode;
-              _mesa_update_fetch_functions(texObj);
            }
            return GL_TRUE;
         }
@@ -440,8 +583,13 @@ set_tex_parameteri(struct gl_context *ctx,
       goto invalid_pname;
 
    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
-      if (ctx->Extensions.AMD_seamless_cubemap_per_texture) {
+      if (_mesa_is_desktop_gl(ctx)
+          && ctx->Extensions.AMD_seamless_cubemap_per_texture) {
          GLenum param = params[0];
+
+         if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+            goto invalid_enum;
+
          if (param != GL_TRUE && param != GL_FALSE) {
             goto invalid_param;
          }
@@ -453,18 +601,36 @@ set_tex_parameteri(struct gl_context *ctx,
       }
       goto invalid_pname;
 
+   case GL_TEXTURE_TILING_EXT:
+      if (ctx->Extensions.EXT_memory_object) {
+         texObj->TextureTiling = params[0];
+
+         return GL_TRUE;
+      }
+      goto invalid_pname;
+
    default:
       goto invalid_pname;
    }
 
 invalid_pname:
-   _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=%s)",
-               _mesa_lookup_enum_by_nr(pname));
+   _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
+               suffix, _mesa_enum_to_string(pname));
    return GL_FALSE;
 
 invalid_param:
-   _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param=%s)",
-               _mesa_lookup_enum_by_nr(params[0]));
+   _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(param=%s)",
+               suffix, _mesa_enum_to_string(params[0]));
+   return GL_FALSE;
+
+invalid_operation:
+   _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sParameter(pname=%s)",
+               suffix, _mesa_enum_to_string(pname));
+   return GL_FALSE;
+
+invalid_enum:
+   _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
+               suffix, _mesa_enum_to_string(pname));
    return GL_FALSE;
 }
 
@@ -476,10 +642,31 @@ invalid_param:
 static GLboolean
 set_tex_parameterf(struct gl_context *ctx,
                    struct gl_texture_object *texObj,
-                   GLenum pname, const GLfloat *params)
+                   GLenum pname, const GLfloat *params, bool dsa)
 {
+   const char *suffix = dsa ? "ture" : "";
+
+   if (texObj->HandleAllocated) {
+      /* The ARB_bindless_texture spec says:
+       *
+       * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
+       * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
+       * functions defined in terms of these, if the texture object to be
+       * modified is referenced by one or more texture or image handles."
+       */
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glTex%sParameter(immutable texture)", suffix);
+      return GL_FALSE;
+   }
+
    switch (pname) {
    case GL_TEXTURE_MIN_LOD:
+      if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+         goto invalid_pname;
+
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       if (texObj->Sampler.MinLod == params[0])
          return GL_FALSE;
       flush(ctx);
@@ -487,6 +674,12 @@ set_tex_parameterf(struct gl_context *ctx,
       return GL_TRUE;
 
    case GL_TEXTURE_MAX_LOD:
+      if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+         goto invalid_pname;
+
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       if (texObj->Sampler.MaxLod == params[0])
          return GL_FALSE;
       flush(ctx);
@@ -494,16 +687,23 @@ set_tex_parameterf(struct gl_context *ctx,
       return GL_TRUE;
 
    case GL_TEXTURE_PRIORITY:
+      if (ctx->API != API_OPENGL_COMPAT)
+         goto invalid_pname;
+
       flush(ctx);
       texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
       return GL_TRUE;
 
    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
       if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+         if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+            goto invalid_enum;
+
          if (texObj->Sampler.MaxAnisotropy == params[0])
             return GL_FALSE;
-         if (params[0] < 1.0) {
-            _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+         if (params[0] < 1.0F) {
+            _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sParameter(param)",
+                        suffix);
             return GL_FALSE;
          }
          flush(ctx);
@@ -515,38 +715,41 @@ set_tex_parameterf(struct gl_context *ctx,
       else {
          static GLuint count = 0;
          if (count++ < 10)
-            _mesa_error(ctx, GL_INVALID_ENUM,
-                        "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
-      }
-      return GL_FALSE;
-
-   case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
-      if (ctx->Extensions.ARB_shadow_ambient) {
-         if (texObj->Sampler.CompareFailValue != params[0]) {
-            flush(ctx);
-            texObj->Sampler.CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
-            return GL_TRUE;
-         }
-      }
-      else {
-         _mesa_error(ctx, GL_INVALID_ENUM,
-                    "glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)");
+            goto invalid_pname;
       }
       return GL_FALSE;
 
    case GL_TEXTURE_LOD_BIAS:
-      /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */
-      if (ctx->Extensions.EXT_texture_lod_bias) {
-         if (texObj->Sampler.LodBias != params[0]) {
-            flush(ctx);
-            texObj->Sampler.LodBias = params[0];
-            return GL_TRUE;
-         }
-         return GL_FALSE;
+      /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias. */
+      if (_mesa_is_gles(ctx))
+         goto invalid_pname;
+
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
+      if (texObj->Sampler.LodBias != params[0]) {
+        flush(ctx);
+        texObj->Sampler.LodBias = params[0];
+        return GL_TRUE;
       }
       break;
 
    case GL_TEXTURE_BORDER_COLOR:
+      /* Border color exists in desktop OpenGL since 1.0 for GL_CLAMP.  In
+       * OpenGL ES 2.0+, it only exists in when GL_OES_texture_border_clamp is
+       * enabled.  It is never available in OpenGL ES 1.x.
+       *
+       * FIXME: Every driver that supports GLES2 has this extension.  Elide
+       * the check?
+       */
+      if (ctx->API == API_OPENGLES ||
+          (ctx->API == API_OPENGLES2 &&
+           !ctx->Extensions.ARB_texture_border_clamp))
+         goto invalid_pname;
+
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
+         goto invalid_enum;
+
       flush(ctx);
       /* ARB_texture_float disables clamping */
       if (ctx->Extensions.ARB_texture_float) {
@@ -562,24 +765,36 @@ set_tex_parameterf(struct gl_context *ctx,
       }
       return GL_TRUE;
 
+   case GL_TEXTURE_TILING_EXT:
+      if (ctx->Extensions.EXT_memory_object) {
+         texObj->TextureTiling = params[0];
+         return GL_TRUE;
+      }
+      goto invalid_pname;
+
    default:
-      _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
+      goto invalid_pname;
    }
    return GL_FALSE;
+
+invalid_pname:
+   _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
+               suffix, _mesa_enum_to_string(pname));
+   return GL_FALSE;
+
+invalid_enum:
+   _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
+               suffix, _mesa_enum_to_string(pname));
+   return GL_FALSE;
 }
 
 
-void GLAPIENTRY
-_mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
+void
+_mesa_texture_parameterf(struct gl_context *ctx,
+                         struct gl_texture_object *texObj,
+                         GLenum pname, GLfloat param, bool dsa)
 {
    GLboolean need_update;
-   struct gl_texture_object *texObj;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   texObj = get_texobj(ctx, target, GL_FALSE);
-   if (!texObj)
-      return;
 
    switch (pname) {
    case GL_TEXTURE_MIN_FILTER:
@@ -593,44 +808,50 @@ _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
    case GL_TEXTURE_COMPARE_MODE_ARB:
    case GL_TEXTURE_COMPARE_FUNC_ARB:
    case GL_DEPTH_TEXTURE_MODE_ARB:
+   case GL_DEPTH_STENCIL_TEXTURE_MODE:
    case GL_TEXTURE_SRGB_DECODE_EXT:
    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
+   case GL_TEXTURE_SWIZZLE_R_EXT:
+   case GL_TEXTURE_SWIZZLE_G_EXT:
+   case GL_TEXTURE_SWIZZLE_B_EXT:
+   case GL_TEXTURE_SWIZZLE_A_EXT:
       {
-         /* convert float param to int */
          GLint p[4];
-         p[0] = (GLint) param;
+         p[0] = (param > 0) ?
+                ((param > INT_MAX) ? INT_MAX : (GLint) (param + 0.5)) :
+                ((param < INT_MIN) ? INT_MIN : (GLint) (param - 0.5));
+
          p[1] = p[2] = p[3] = 0;
-         need_update = set_tex_parameteri(ctx, texObj, pname, p);
+         need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
       }
       break;
+   case GL_TEXTURE_BORDER_COLOR:
+   case GL_TEXTURE_SWIZZLE_RGBA:
+      _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameterf(non-scalar pname)",
+                  dsa ? "ture" : "");
+      return;
    default:
       {
          /* this will generate an error if pname is illegal */
          GLfloat p[4];
          p[0] = param;
          p[1] = p[2] = p[3] = 0.0F;
-         need_update = set_tex_parameterf(ctx, texObj, pname, p);
+         need_update = set_tex_parameterf(ctx, texObj, pname, p, dsa);
       }
    }
 
    if (ctx->Driver.TexParameter && need_update) {
-      ctx->Driver.TexParameter(ctx, target, texObj, pname, &param);
+      ctx->Driver.TexParameter(ctx, texObj, pname);
    }
 }
 
 
-void GLAPIENTRY
-_mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
+void
+_mesa_texture_parameterfv(struct gl_context *ctx,
+                          struct gl_texture_object *texObj,
+                          GLenum pname, const GLfloat *params, bool dsa)
 {
    GLboolean need_update;
-   struct gl_texture_object *texObj;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   texObj = get_texobj(ctx, target, GL_FALSE);
-   if (!texObj)
-      return;
-
    switch (pname) {
    case GL_TEXTURE_MIN_FILTER:
    case GL_TEXTURE_MAG_FILTER:
@@ -643,6 +864,7 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
    case GL_TEXTURE_COMPARE_MODE_ARB:
    case GL_TEXTURE_COMPARE_FUNC_ARB:
    case GL_DEPTH_TEXTURE_MODE_ARB:
+   case GL_DEPTH_STENCIL_TEXTURE_MODE:
    case GL_TEXTURE_SRGB_DECODE_EXT:
    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
       {
@@ -650,11 +872,9 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
          GLint p[4];
          p[0] = (GLint) params[0];
          p[1] = p[2] = p[3] = 0;
-         need_update = set_tex_parameteri(ctx, texObj, pname, p);
+         need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
       }
       break;
-
-#if FEATURE_OES_draw_texture
    case GL_TEXTURE_CROP_RECT_OES:
       {
          /* convert float params to int */
@@ -663,77 +883,86 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
          iparams[1] = (GLint) params[1];
          iparams[2] = (GLint) params[2];
          iparams[3] = (GLint) params[3];
-         need_update = set_tex_parameteri(ctx, texObj, pname, iparams);
+         need_update = set_tex_parameteri(ctx, texObj, pname, iparams, dsa);
+      }
+      break;
+   case GL_TEXTURE_SWIZZLE_R_EXT:
+   case GL_TEXTURE_SWIZZLE_G_EXT:
+   case GL_TEXTURE_SWIZZLE_B_EXT:
+   case GL_TEXTURE_SWIZZLE_A_EXT:
+   case GL_TEXTURE_SWIZZLE_RGBA_EXT:
+      {
+         GLint p[4] = {0, 0, 0, 0};
+         p[0] = (GLint) params[0];
+         if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT) {
+            p[1] = (GLint) params[1];
+            p[2] = (GLint) params[2];
+            p[3] = (GLint) params[3];
+         }
+         need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
       }
       break;
-#endif
-
    default:
       /* this will generate an error if pname is illegal */
-      need_update = set_tex_parameterf(ctx, texObj, pname, params);
+      need_update = set_tex_parameterf(ctx, texObj, pname, params, dsa);
    }
 
    if (ctx->Driver.TexParameter && need_update) {
-      ctx->Driver.TexParameter(ctx, target, texObj, pname, params);
+      ctx->Driver.TexParameter(ctx, texObj, pname);
    }
 }
 
 
-void GLAPIENTRY
-_mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
+void
+_mesa_texture_parameteri(struct gl_context *ctx,
+                         struct gl_texture_object *texObj,
+                         GLenum pname, GLint param, bool dsa)
 {
    GLboolean need_update;
-   struct gl_texture_object *texObj;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   texObj = get_texobj(ctx, target, GL_FALSE);
-   if (!texObj)
-      return;
-
    switch (pname) {
    case GL_TEXTURE_MIN_LOD:
    case GL_TEXTURE_MAX_LOD:
    case GL_TEXTURE_PRIORITY:
    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
    case GL_TEXTURE_LOD_BIAS:
-   case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
       {
          GLfloat fparam[4];
          fparam[0] = (GLfloat) param;
          fparam[1] = fparam[2] = fparam[3] = 0.0F;
          /* convert int param to float */
-         need_update = set_tex_parameterf(ctx, texObj, pname, fparam);
+         need_update = set_tex_parameterf(ctx, texObj, pname, fparam, dsa);
       }
       break;
+   case GL_TEXTURE_BORDER_COLOR:
+   case GL_TEXTURE_SWIZZLE_RGBA:
+      {
+         _mesa_error(ctx, GL_INVALID_ENUM,
+                     "glTex%sParameteri(non-scalar pname)",
+                     dsa ? "ture" : "");
+         return;
+      }
    default:
       /* this will generate an error if pname is illegal */
       {
          GLint iparam[4];
          iparam[0] = param;
          iparam[1] = iparam[2] = iparam[3] = 0;
-         need_update = set_tex_parameteri(ctx, texObj, pname, iparam);
+         need_update = set_tex_parameteri(ctx, texObj, pname, iparam, dsa);
       }
    }
 
    if (ctx->Driver.TexParameter && need_update) {
-      GLfloat fparam = (GLfloat) param;
-      ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam);
+      ctx->Driver.TexParameter(ctx, texObj, pname);
    }
 }
 
 
-void GLAPIENTRY
-_mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
+void
+_mesa_texture_parameteriv(struct gl_context *ctx,
+                          struct gl_texture_object *texObj,
+                          GLenum pname, const GLint *params, bool dsa)
 {
    GLboolean need_update;
-   struct gl_texture_object *texObj;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   texObj = get_texobj(ctx, target, GL_FALSE);
-   if (!texObj)
-      return;
 
    switch (pname) {
    case GL_TEXTURE_BORDER_COLOR:
@@ -744,7 +973,7 @@ _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
          fparams[1] = INT_TO_FLOAT(params[1]);
          fparams[2] = INT_TO_FLOAT(params[2]);
          fparams[3] = INT_TO_FLOAT(params[3]);
-         need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
+         need_update = set_tex_parameterf(ctx, texObj, pname, fparams, dsa);
       }
       break;
    case GL_TEXTURE_MIN_LOD:
@@ -752,63 +981,165 @@ _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
    case GL_TEXTURE_PRIORITY:
    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
    case GL_TEXTURE_LOD_BIAS:
-   case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
       {
          /* convert int param to float */
          GLfloat fparams[4];
          fparams[0] = (GLfloat) params[0];
          fparams[1] = fparams[2] = fparams[3] = 0.0F;
-         need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
+         need_update = set_tex_parameterf(ctx, texObj, pname, fparams, dsa);
       }
       break;
    default:
       /* this will generate an error if pname is illegal */
-      need_update = set_tex_parameteri(ctx, texObj, pname, params);
+      need_update = set_tex_parameteri(ctx, texObj, pname, params, dsa);
    }
 
    if (ctx->Driver.TexParameter && need_update) {
-      GLfloat fparams[4];
-      fparams[0] = INT_TO_FLOAT(params[0]);
-      if (pname == GL_TEXTURE_BORDER_COLOR ||
-          pname == GL_TEXTURE_CROP_RECT_OES) {
-         fparams[1] = INT_TO_FLOAT(params[1]);
-         fparams[2] = INT_TO_FLOAT(params[2]);
-         fparams[3] = INT_TO_FLOAT(params[3]);
-      }
-      ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams);
+      ctx->Driver.TexParameter(ctx, texObj, pname);
    }
 }
 
-
-/**
- * Set tex parameter to integer value(s).  Primarily intended to set
- * integer-valued texture border color (for integer-valued textures).
- * New in GL 3.0.
- */
-void GLAPIENTRY
-_mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
+void
+_mesa_texture_parameterIiv(struct gl_context *ctx,
+                           struct gl_texture_object *texObj,
+                           GLenum pname, const GLint *params, bool dsa)
 {
-   struct gl_texture_object *texObj;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   texObj = get_texobj(ctx, target, GL_FALSE);
-   if (!texObj)
-      return;
-
    switch (pname) {
    case GL_TEXTURE_BORDER_COLOR:
-      FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+      if (texObj->HandleAllocated) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glTextureParameterIiv(immutable texture)");
+         return;
+      }
+
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
+         _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIiv(texture)");
+         return;
+      }
+      FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
       /* set the integer-valued border color */
       COPY_4V(texObj->Sampler.BorderColor.i, params);
       break;
    default:
-      _mesa_TexParameteriv(target, pname, params);
+      _mesa_texture_parameteriv(ctx, texObj, pname, params, dsa);
       break;
    }
    /* XXX no driver hook for TexParameterIiv() yet */
 }
 
+void
+_mesa_texture_parameterIuiv(struct gl_context *ctx,
+                            struct gl_texture_object *texObj,
+                            GLenum pname, const GLuint *params, bool dsa)
+{
+   switch (pname) {
+   case GL_TEXTURE_BORDER_COLOR:
+      if (texObj->HandleAllocated) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glTextureParameterIuiv(immutable texture)");
+         return;
+      }
+
+      if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
+         _mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIuiv(texture)");
+         return;
+      }
+      FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
+      /* set the unsigned integer-valued border color */
+      COPY_4V(texObj->Sampler.BorderColor.ui, params);
+      break;
+   default:
+      _mesa_texture_parameteriv(ctx, texObj, pname, (const GLint *) params,
+                                dsa);
+      break;
+   }
+   /* XXX no driver hook for TexParameterIuiv() yet */
+}
+
+void GLAPIENTRY
+_mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   ctx->Texture.CurrentUnit,
+                                                   false,
+                                                   "glTexParameterf");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterf(ctx, texObj, pname, param, false);
+}
+
+void GLAPIENTRY
+_mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   ctx->Texture.CurrentUnit,
+                                                   false,
+                                                   "glTexParameterfv");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterfv(ctx, texObj, pname, params, false);
+}
+
+void GLAPIENTRY
+_mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   ctx->Texture.CurrentUnit,
+                                                   false,
+                                                   "glTexParameteri");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameteri(ctx, texObj, pname, param, false);
+}
+
+void GLAPIENTRY
+_mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   ctx->Texture.CurrentUnit,
+                                                   false,
+                                                   "glTexParameteriv");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameteriv(ctx, texObj, pname, params, false);
+}
+
+/**
+ * Set tex parameter to integer value(s).  Primarily intended to set
+ * integer-valued texture border color (for integer-valued textures).
+ * New in GL 3.0.
+ */
+void GLAPIENTRY
+_mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   ctx->Texture.CurrentUnit,
+                                                   false,
+                                                   "glTexParameterIiv");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterIiv(ctx, texObj, pname, params, false);
+}
 
 /**
  * Set tex parameter to unsigned integer value(s).  Primarily intended to set
@@ -820,81 +1151,438 @@ _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
 {
    struct gl_texture_object *texObj;
    GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   texObj = get_texobj(ctx, target, GL_FALSE);
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   ctx->Texture.CurrentUnit,
+                                                   false,
+                                                   "glTexParameterIuiv");
    if (!texObj)
       return;
 
-   switch (pname) {
-   case GL_TEXTURE_BORDER_COLOR:
-      FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-      /* set the unsigned integer-valued border color */
-      COPY_4V(texObj->Sampler.BorderColor.ui, params);
-      break;
-   default:
-      _mesa_TexParameteriv(target, pname, (const GLint *) params);
-      break;
+   _mesa_texture_parameterIuiv(ctx, texObj, pname, params, false);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameterfvEXT(GLuint texture, GLenum target, GLenum pname, const GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureParameterfvEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameterfvEXT");
+      return;
    }
-   /* XXX no driver hook for TexParameterIuiv() yet */
+
+   _mesa_texture_parameterfv(ctx, texObj, pname, params, true);
 }
 
+void GLAPIENTRY
+_mesa_TextureParameterfv(GLuint texture, GLenum pname, const GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
 
+   texObj = get_texobj_by_name(ctx, texture, "glTextureParameterfv");
+   if (!texObj)
+      return;
 
+   _mesa_texture_parameterfv(ctx, texObj, pname, params, true);
+}
 
 void GLAPIENTRY
-_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
-                              GLenum pname, GLfloat *params )
+_mesa_MultiTexParameterfvEXT(GLenum texunit, GLenum target, GLenum pname, const GLfloat *params)
 {
-   GLint iparam;
-   _mesa_GetTexLevelParameteriv( target, level, pname, &iparam );
-   *params = (GLfloat) iparam;
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexParameterfvEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glMultiTexParameterifvEXT(target)");
+      return;
+   }
+
+   _mesa_texture_parameterfv(ctx, texObj, pname, params, true);
 }
 
+void GLAPIENTRY
+_mesa_TextureParameterfEXT(GLuint texture, GLenum target, GLenum pname, GLfloat param)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureParameterfEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameterfEXT");
+      return;
+   }
+
+   _mesa_texture_parameterf(ctx, texObj, pname, param, true);
+}
 
 void GLAPIENTRY
-_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
-                              GLenum pname, GLint *params )
+_mesa_MultiTexParameterfEXT(GLenum texunit, GLenum target, GLenum pname,
+                            GLfloat param)
 {
-   const struct gl_texture_unit *texUnit;
    struct gl_texture_object *texObj;
-   const struct gl_texture_image *img = NULL;
-   GLint maxLevels;
-   gl_format texFormat;
    GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glGetTexLevelParameteriv(current unit)");
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexParameterfEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glMultiTexParameterfEXT");
       return;
    }
 
-   texUnit = _mesa_get_current_tex_unit(ctx);
+   _mesa_texture_parameterf(ctx, texObj, pname, param, true);
+}
 
-   /* this will catch bad target values */
-   maxLevels = _mesa_max_texture_levels(ctx, target);
-   if (maxLevels == 0) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glGetTexLevelParameter[if]v(target=0x%x)", target);
+void GLAPIENTRY
+_mesa_TextureParameterf(GLuint texture, GLenum pname, GLfloat param)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = get_texobj_by_name(ctx, texture, "glTextureParameterf");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterf(ctx, texObj, pname, param, true);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameteriEXT(GLuint texture, GLenum target, GLenum pname, GLint param)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureParameteriEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameteriEXT(target)");
       return;
    }
 
-   if (level < 0 || level >= maxLevels) {
-      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
+   _mesa_texture_parameteri(ctx, texObj, pname, param, true);
+}
+
+void GLAPIENTRY
+_mesa_MultiTexParameteriEXT(GLenum texunit, GLenum target, GLenum pname,
+                            GLint param)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexParameteriEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glMultiTexParameteriEXT(target)");
+      return;
+   }
+
+   _mesa_texture_parameteri(ctx, texObj, pname, param, true);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameteri(GLuint texture, GLenum pname, GLint param)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = get_texobj_by_name(ctx, texture, "glTextureParameteri");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameteri(ctx, texObj, pname, param, true);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameterivEXT(GLuint texture, GLenum target, GLenum pname,
+                         const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureParameterivEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureParameterivEXT(target)");
+      return;
+   }
+
+   _mesa_texture_parameteriv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_MultiTexParameterivEXT(GLenum texunit, GLenum target, GLenum pname,
+                             const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexParameterivEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glMultiTexParameterivEXT(target)");
+      return;
+   }
+
+   _mesa_texture_parameteriv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameteriv(GLuint texture, GLenum pname,
+                         const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = get_texobj_by_name(ctx, texture, "glTextureParameteriv");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameteriv(ctx, texObj, pname, params, true);
+}
+
+
+void GLAPIENTRY
+_mesa_TextureParameterIiv(GLuint texture, GLenum pname, const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = get_texobj_by_name(ctx, texture, "glTextureParameterIiv");
+   if (!texObj)
       return;
+
+   _mesa_texture_parameterIiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameterIivEXT(GLuint texture, GLenum target, GLenum pname,
+                             const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureParameterIivEXT");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterIiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_MultiTexParameterIivEXT(GLenum texunit, GLenum target, GLenum pname,
+                              const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexParameterIivEXT");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterIiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameterIuiv(GLuint texture, GLenum pname, const GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = get_texobj_by_name(ctx, texture, "glTextureParameterIuiv");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterIuiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_TextureParameterIuivEXT(GLuint texture, GLenum target, GLenum pname,
+                              const GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureParameterIuivEXT");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterIuiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_MultiTexParameterIuivEXT(GLenum texunit, GLenum target, GLenum pname,
+                               const GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexParameterIuivEXT");
+   if (!texObj)
+      return;
+
+   _mesa_texture_parameterIuiv(ctx, texObj, pname, params, true);
+}
+
+GLboolean
+_mesa_legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target,
+                                           bool dsa)
+{
+   /* Common targets for desktop GL and GLES 3.1. */
+   switch (target) {
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_3D:
+      return GL_TRUE;
+   case GL_TEXTURE_2D_ARRAY_EXT:
+      return ctx->Extensions.EXT_texture_array;
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+      return ctx->Extensions.ARB_texture_cube_map;
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return ctx->Extensions.ARB_texture_multisample;
+   case GL_TEXTURE_BUFFER:
+      /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
+       * but not in earlier versions that expose ARB_texture_buffer_object.
+       *
+       * From the ARB_texture_buffer_object spec:
+       * "(7) Do buffer textures support texture parameters (TexParameter) or
+       *      queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
+       *
+       *    RESOLVED:  No. [...] Note that the spec edits above don't add
+       *    explicit error language for any of these cases.  That is because
+       *    each of the functions enumerate the set of valid <target>
+       *    parameters.  Not editing the spec to allow TEXTURE_BUFFER_ARB in
+       *    these cases means that target is not legal, and an INVALID_ENUM
+       *    error should be generated."
+       *
+       * From the OpenGL 3.1 spec:
+       * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
+       */
+      return (_mesa_is_desktop_gl(ctx) && ctx->Version >= 31) ||
+             _mesa_has_OES_texture_buffer(ctx);
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+      return _mesa_has_texture_cube_map_array(ctx);
+   }
+
+   if (!_mesa_is_desktop_gl(ctx))
+      return GL_FALSE;
+
+   /* Rest of the desktop GL targets. */
+   switch (target) {
+   case GL_TEXTURE_1D:
+   case GL_PROXY_TEXTURE_1D:
+   case GL_PROXY_TEXTURE_2D:
+   case GL_PROXY_TEXTURE_3D:
+      return GL_TRUE;
+   case GL_PROXY_TEXTURE_CUBE_MAP:
+      return ctx->Extensions.ARB_texture_cube_map;
+   case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
+      return ctx->Extensions.ARB_texture_cube_map_array;
+   case GL_TEXTURE_RECTANGLE_NV:
+   case GL_PROXY_TEXTURE_RECTANGLE_NV:
+      return ctx->Extensions.NV_texture_rectangle;
+   case GL_TEXTURE_1D_ARRAY_EXT:
+   case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+   case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+      return ctx->Extensions.EXT_texture_array;
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return ctx->Extensions.ARB_texture_multisample;
+
+   /*  This is a valid target for dsa, but the OpenGL 4.5 core spec
+    *  (30.10.2014) Section 8.11 Texture Queries says:
+    *       "For GetTextureLevelParameter* only, texture may also be a cube
+    *       map texture object.  In this case the query is always performed
+    *       for face zero (the TEXTURE_CUBE_MAP_POSITIVE_X face), since there
+    *       is no way to specify another face."
+    */
+   case GL_TEXTURE_CUBE_MAP:
+      return dsa;
+   default:
+      return GL_FALSE;
    }
+}
 
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
 
-   img = _mesa_select_tex_image(ctx, texObj, target, level);
-   if (!img || !img->TexFormat) {
-      /* undefined texture image */
-      if (pname == GL_TEXTURE_COMPONENTS)
-         *params = 1;
-      else
-         *params = 0;
-      return;
+static void
+get_tex_level_parameter_image(struct gl_context *ctx,
+                              const struct gl_texture_object *texObj,
+                              GLenum target, GLint level,
+                              GLenum pname, GLint *params,
+                              bool dsa)
+{
+   const struct gl_texture_image *img = NULL;
+   struct gl_texture_image dummy_image;
+   mesa_format texFormat;
+   const char *suffix = dsa ? "ture" : "";
+
+   img = _mesa_select_tex_image(texObj, target, level);
+   if (!img || img->TexFormat == MESA_FORMAT_NONE) {
+      /* In case of undefined texture image return the default values.
+       *
+       * From OpenGL 4.0 spec, page 398:
+       *    "The initial internal format of a texel array is RGBA
+       *     instead of 1. TEXTURE_COMPONENTS is deprecated; always
+       *     use TEXTURE_INTERNAL_FORMAT."
+       */
+      memset(&dummy_image, 0, sizeof(dummy_image));
+      dummy_image.TexFormat = MESA_FORMAT_NONE;
+      dummy_image.InternalFormat = GL_RGBA;
+      dummy_image._BaseFormat = GL_NONE;
+      dummy_image.FixedSampleLocations = GL_TRUE;
+
+      img = &dummy_image;
    }
 
    texFormat = img->TexFormat;
@@ -934,199 +1622,518 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
         }
          break;
       case GL_TEXTURE_BORDER:
+         if (ctx->API != API_OPENGL_COMPAT)
+            goto invalid_pname;
          *params = img->Border;
          break;
       case GL_TEXTURE_RED_SIZE:
-         if (img->_BaseFormat == GL_RED) {
-            *params = _mesa_get_format_bits(texFormat, pname);
-           break;
-        }
-        /* FALLTHROUGH */
       case GL_TEXTURE_GREEN_SIZE:
-         if (img->_BaseFormat == GL_RG) {
-            *params = _mesa_get_format_bits(texFormat, pname);
-           break;
-        }
-        /* FALLTHROUGH */
       case GL_TEXTURE_BLUE_SIZE:
-         if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
-            *params = _mesa_get_format_bits(texFormat, pname);
-         else
-            *params = 0;
-         break;
       case GL_TEXTURE_ALPHA_SIZE:
-         if (img->_BaseFormat == GL_ALPHA ||
-             img->_BaseFormat == GL_LUMINANCE_ALPHA ||
-             img->_BaseFormat == GL_RGBA)
+         if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
             *params = _mesa_get_format_bits(texFormat, pname);
          else
             *params = 0;
          break;
       case GL_TEXTURE_INTENSITY_SIZE:
-         if (img->_BaseFormat != GL_INTENSITY)
-            *params = 0;
-         else {
+      case GL_TEXTURE_LUMINANCE_SIZE:
+         if (ctx->API != API_OPENGL_COMPAT)
+            goto invalid_pname;
+         if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) {
             *params = _mesa_get_format_bits(texFormat, pname);
             if (*params == 0) {
-               /* intensity probably stored as rgb texture */
-               *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
-                              _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
+               /* intensity or luminance is probably stored as RGB[A] */
+               *params = MIN2(_mesa_get_format_bits(texFormat,
+                                                    GL_TEXTURE_RED_SIZE),
+                              _mesa_get_format_bits(texFormat,
+                                                    GL_TEXTURE_GREEN_SIZE));
+            }
+            if (*params == 0 && pname == GL_TEXTURE_INTENSITY_SIZE) {
+               /* Gallium may store intensity as LA */
+               *params = _mesa_get_format_bits(texFormat,
+                                               GL_TEXTURE_ALPHA_SIZE);
             }
          }
-         break;
-      case GL_TEXTURE_LUMINANCE_SIZE:
-         if (img->_BaseFormat != GL_LUMINANCE &&
-             img->_BaseFormat != GL_LUMINANCE_ALPHA)
-            *params = 0;
          else {
-            *params = _mesa_get_format_bits(texFormat, pname);
-            if (*params == 0) {
-               /* luminance probably stored as rgb texture */
-               *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
-                              _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
-            }
+            *params = 0;
+         }
+         break;
+      case GL_TEXTURE_DEPTH_SIZE_ARB:
+         if (!ctx->Extensions.ARB_depth_texture)
+            goto invalid_pname;
+         *params = _mesa_get_format_bits(texFormat, pname);
+         break;
+      case GL_TEXTURE_STENCIL_SIZE:
+         *params = _mesa_get_format_bits(texFormat, pname);
+         break;
+      case GL_TEXTURE_SHARED_SIZE:
+         if (ctx->Version < 30 &&
+             !ctx->Extensions.EXT_texture_shared_exponent)
+            goto invalid_pname;
+         *params = texFormat == MESA_FORMAT_R9G9B9E5_FLOAT ? 5 : 0;
+         break;
+
+      /* GL_ARB_texture_compression */
+      case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
+         if (_mesa_is_format_compressed(texFormat) &&
+             !_mesa_is_proxy_texture(target)) {
+            *params = _mesa_format_image_size(texFormat, img->Width,
+                                              img->Height, img->Depth);
+         } else {
+            _mesa_error(ctx, GL_INVALID_OPERATION,
+                        "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
+                        _mesa_enum_to_string(pname));
          }
          break;
-      case GL_TEXTURE_INDEX_SIZE_EXT:
-         if (img->_BaseFormat == GL_COLOR_INDEX)
+      case GL_TEXTURE_COMPRESSED:
+         *params = (GLint) _mesa_is_format_compressed(texFormat);
+         break;
+
+      /* GL_ARB_texture_float */
+      case GL_TEXTURE_LUMINANCE_TYPE_ARB:
+      case GL_TEXTURE_INTENSITY_TYPE_ARB:
+         if (ctx->API != API_OPENGL_COMPAT)
+            goto invalid_pname;
+         /* FALLTHROUGH */
+      case GL_TEXTURE_RED_TYPE_ARB:
+      case GL_TEXTURE_GREEN_TYPE_ARB:
+      case GL_TEXTURE_BLUE_TYPE_ARB:
+      case GL_TEXTURE_ALPHA_TYPE_ARB:
+      case GL_TEXTURE_DEPTH_TYPE_ARB:
+         if (!ctx->Extensions.ARB_texture_float)
+            goto invalid_pname;
+        if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
+           *params = _mesa_get_format_datatype(texFormat);
+        else
+           *params = GL_NONE;
+         break;
+
+      /* GL_ARB_texture_multisample */
+      case GL_TEXTURE_SAMPLES:
+         if (!ctx->Extensions.ARB_texture_multisample)
+            goto invalid_pname;
+         *params = img->NumSamples;
+         break;
+
+      case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
+         if (!ctx->Extensions.ARB_texture_multisample)
+            goto invalid_pname;
+         *params = img->FixedSampleLocations;
+         break;
+
+      /* There is never a buffer data store here, but these pnames still have
+       * to work.
+       */
+
+      /* GL_ARB_texture_buffer_object */
+      case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
+         if (!ctx->Extensions.ARB_texture_buffer_object)
+            goto invalid_pname;
+         *params = 0;
+         break;
+
+      /* GL_ARB_texture_buffer_range */
+      case GL_TEXTURE_BUFFER_OFFSET:
+         if (!ctx->Extensions.ARB_texture_buffer_range)
+            goto invalid_pname;
+         *params = 0;
+         break;
+      case GL_TEXTURE_BUFFER_SIZE:
+         if (!ctx->Extensions.ARB_texture_buffer_range)
+            goto invalid_pname;
+         *params = 0;
+         break;
+
+      default:
+         goto invalid_pname;
+   }
+
+   /* no error if we get here */
+   return;
+
+invalid_pname:
+   _mesa_error(ctx, GL_INVALID_ENUM,
+               "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
+               _mesa_enum_to_string(pname));
+}
+
+
+/**
+ * Handle a glGetTexLevelParamteriv() call for a texture buffer.
+ */
+static void
+get_tex_level_parameter_buffer(struct gl_context *ctx,
+                               const struct gl_texture_object *texObj,
+                               GLenum pname, GLint *params, bool dsa)
+{
+   const struct gl_buffer_object *bo = texObj->BufferObject;
+   mesa_format texFormat = texObj->_BufferObjectFormat;
+   int bytes = MAX2(1, _mesa_get_format_bytes(texFormat));
+   GLenum internalFormat = texObj->BufferObjectFormat;
+   GLenum baseFormat = _mesa_get_format_base_format(texFormat);
+   const char *suffix = dsa ? "ture" : "";
+
+   assert(texObj->Target == GL_TEXTURE_BUFFER);
+
+   if (!bo) {
+      /* undefined texture buffer object */
+      switch (pname) {
+      case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
+         *params = GL_TRUE;
+         break;
+      case GL_TEXTURE_INTERNAL_FORMAT:
+         *params = internalFormat;
+         break;
+      default:
+         *params = 0;
+         break;
+      }
+      return;
+   }
+
+   switch (pname) {
+      case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
+         *params = bo->Name;
+         break;
+      case GL_TEXTURE_WIDTH:
+         *params = ((texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize)
+            / bytes;
+         break;
+      case GL_TEXTURE_HEIGHT:
+      case GL_TEXTURE_DEPTH:
+         *params = 1;
+         break;
+      case GL_TEXTURE_BORDER:
+      case GL_TEXTURE_SHARED_SIZE:
+      case GL_TEXTURE_COMPRESSED:
+         *params = 0;
+         break;
+      case GL_TEXTURE_INTERNAL_FORMAT:
+         *params = internalFormat;
+         break;
+      case GL_TEXTURE_RED_SIZE:
+      case GL_TEXTURE_GREEN_SIZE:
+      case GL_TEXTURE_BLUE_SIZE:
+      case GL_TEXTURE_ALPHA_SIZE:
+         if (_mesa_base_format_has_channel(baseFormat, pname))
             *params = _mesa_get_format_bits(texFormat, pname);
          else
             *params = 0;
          break;
-      case GL_TEXTURE_DEPTH_SIZE_ARB:
-         if (ctx->Extensions.ARB_depth_texture)
+      case GL_TEXTURE_INTENSITY_SIZE:
+      case GL_TEXTURE_LUMINANCE_SIZE:
+         if (_mesa_base_format_has_channel(baseFormat, pname)) {
             *params = _mesa_get_format_bits(texFormat, pname);
-         else
-            goto invalid_pname;
+            if (*params == 0) {
+               /* intensity or luminance is probably stored as RGB[A] */
+               *params = MIN2(_mesa_get_format_bits(texFormat,
+                                                    GL_TEXTURE_RED_SIZE),
+                              _mesa_get_format_bits(texFormat,
+                                                    GL_TEXTURE_GREEN_SIZE));
+            }
+         } else {
+            *params = 0;
+         }
          break;
+      case GL_TEXTURE_DEPTH_SIZE_ARB:
       case GL_TEXTURE_STENCIL_SIZE_EXT:
-         if (ctx->Extensions.EXT_packed_depth_stencil ||
-             ctx->Extensions.ARB_framebuffer_object) {
-            *params = _mesa_get_format_bits(texFormat, pname);
-         }
-         else {
+         *params = _mesa_get_format_bits(texFormat, pname);
+         break;
+
+      /* GL_ARB_texture_buffer_range */
+      case GL_TEXTURE_BUFFER_OFFSET:
+         if (!ctx->Extensions.ARB_texture_buffer_range)
             goto invalid_pname;
-         }
+         *params = texObj->BufferOffset;
          break;
-      case GL_TEXTURE_SHARED_SIZE:
-         if (ctx->VersionMajor >= 3 ||
-             ctx->Extensions.EXT_texture_shared_exponent) {
-            *params = texFormat == MESA_FORMAT_RGB9_E5_FLOAT ? 5 : 0;
-         }
-         else {
+      case GL_TEXTURE_BUFFER_SIZE:
+         if (!ctx->Extensions.ARB_texture_buffer_range)
             goto invalid_pname;
-         }
+         *params = (texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize;
+         break;
+
+      /* GL_ARB_texture_multisample */
+      case GL_TEXTURE_SAMPLES:
+         if (!ctx->Extensions.ARB_texture_multisample)
+            goto invalid_pname;
+         *params = 0;
+         break;
+
+      case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
+         if (!ctx->Extensions.ARB_texture_multisample)
+            goto invalid_pname;
+         *params = GL_TRUE;
          break;
 
-      /* GL_ARB_texture_compression */
-      case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
-        if (_mesa_is_format_compressed(texFormat) &&
-             !_mesa_is_proxy_texture(target)) {
-            *params = _mesa_format_image_size(texFormat, img->Width,
-                                              img->Height, img->Depth);
-        }
-        else {
-           _mesa_error(ctx, GL_INVALID_OPERATION,
-                       "glGetTexLevelParameter[if]v(pname)");
-        }
-         break;
-      case GL_TEXTURE_COMPRESSED:
-         *params = (GLint) _mesa_is_format_compressed(texFormat);
-         break;
+      /* GL_ARB_texture_compression */
+      case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
+         /* Always illegal for GL_TEXTURE_BUFFER */
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
+                     _mesa_enum_to_string(pname));
+         break;
+
+      /* GL_ARB_texture_float */
+      case GL_TEXTURE_RED_TYPE_ARB:
+      case GL_TEXTURE_GREEN_TYPE_ARB:
+      case GL_TEXTURE_BLUE_TYPE_ARB:
+      case GL_TEXTURE_ALPHA_TYPE_ARB:
+      case GL_TEXTURE_LUMINANCE_TYPE_ARB:
+      case GL_TEXTURE_INTENSITY_TYPE_ARB:
+      case GL_TEXTURE_DEPTH_TYPE_ARB:
+         if (!ctx->Extensions.ARB_texture_float)
+            goto invalid_pname;
+         if (_mesa_base_format_has_channel(baseFormat, pname))
+            *params = _mesa_get_format_datatype(texFormat);
+         else
+            *params = GL_NONE;
+         break;
+
+      default:
+         goto invalid_pname;
+   }
+
+   /* no error if we get here */
+   return;
+
+invalid_pname:
+   _mesa_error(ctx, GL_INVALID_ENUM,
+               "glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
+               _mesa_enum_to_string(pname));
+}
+
+static bool
+valid_tex_level_parameteriv_target(struct gl_context *ctx, GLenum target,
+                                   bool dsa)
+{
+   const char *suffix = dsa ? "ture" : "";
+   if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, dsa)) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetTex%sLevelParameter[if]v(target=%s)", suffix,
+                  _mesa_enum_to_string(target));
+      return false;
+   }
+   return true;
+}
+
+/**
+ * This isn't exposed to the rest of the driver because it is a part of the
+ * OpenGL API that is rarely used.
+ */
+static void
+get_tex_level_parameteriv(struct gl_context *ctx,
+                          struct gl_texture_object *texObj,
+                          GLenum target, GLint level,
+                          GLenum pname, GLint *params,
+                          bool dsa)
+{
+   GLint maxLevels;
+   const char *suffix = dsa ? "ture" : "";
+
+   /* Check for errors */
+   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glGetTex%sLevelParameter[if]v("
+                  "current unit >= max combined texture units)", suffix);
+      return;
+   }
+
+   maxLevels = _mesa_max_texture_levels(ctx, target);
+   assert(maxLevels != 0);
+
+   if (level < 0 || level >= maxLevels) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glGetTex%sLevelParameter[if]v(level out of range)", suffix);
+      return;
+   }
+
+   /* Get the level parameter */
+   if (target == GL_TEXTURE_BUFFER) {
+      get_tex_level_parameter_buffer(ctx, texObj, pname, params, dsa);
+   }
+   else {
+      get_tex_level_parameter_image(ctx, texObj, target,
+                                    level, pname, params, dsa);
+   }
+}
+
+void GLAPIENTRY
+_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
+                              GLenum pname, GLfloat *params )
+{
+   struct gl_texture_object *texObj;
+   GLint iparam;
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (!valid_tex_level_parameteriv_target(ctx, target, false))
+      return;
+
+   texObj = _mesa_get_current_tex_object(ctx, target);
+   if (!texObj)
+      return;
+
+   get_tex_level_parameteriv(ctx, texObj, target, level,
+                             pname, &iparam, false);
+
+   *params = (GLfloat) iparam;
+}
+
+void GLAPIENTRY
+_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
+                              GLenum pname, GLint *params )
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (!valid_tex_level_parameteriv_target(ctx, target, false))
+      return;
+
+   texObj = _mesa_get_current_tex_object(ctx, target);
+   if (!texObj)
+      return;
+
+   get_tex_level_parameteriv(ctx, texObj, target, level,
+                             pname, params, false);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureLevelParameterfv(GLuint texture, GLint level,
+                                 GLenum pname, GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GLint iparam;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_texture_err(ctx, texture,
+                                     "glGetTextureLevelParameterfv");
+   if (!texObj)
+      return;
+
+   if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
+      return;
+
+   get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
+                             pname, &iparam, true);
 
-      /* GL_ARB_texture_float */
-      case GL_TEXTURE_RED_TYPE_ARB:
-         if (ctx->Extensions.ARB_texture_float) {
-            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
-               _mesa_get_format_datatype(texFormat) : GL_NONE;
-         }
-         else {
-            goto invalid_pname;
-         }
-         break;
-      case GL_TEXTURE_GREEN_TYPE_ARB:
-         if (ctx->Extensions.ARB_texture_float) {
-            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
-               _mesa_get_format_datatype(texFormat) : GL_NONE;
-         }
-         else {
-            goto invalid_pname;
-         }
-         break;
-      case GL_TEXTURE_BLUE_TYPE_ARB:
-         if (ctx->Extensions.ARB_texture_float) {
-            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
-               _mesa_get_format_datatype(texFormat) : GL_NONE;
-         }
-         else {
-            goto invalid_pname;
-         }
-         break;
-      case GL_TEXTURE_ALPHA_TYPE_ARB:
-         if (ctx->Extensions.ARB_texture_float) {
-            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
-               _mesa_get_format_datatype(texFormat) : GL_NONE;
-         }
-         else {
-            goto invalid_pname;
-         }
-         break;
-      case GL_TEXTURE_LUMINANCE_TYPE_ARB:
-         if (ctx->Extensions.ARB_texture_float) {
-            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
-               _mesa_get_format_datatype(texFormat) : GL_NONE;
-         }
-         else {
-            goto invalid_pname;
-         }
-         break;
-      case GL_TEXTURE_INTENSITY_TYPE_ARB:
-         if (ctx->Extensions.ARB_texture_float) {
-            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
-               _mesa_get_format_datatype(texFormat) : GL_NONE;
-         }
-         else {
-            goto invalid_pname;
-         }
-         break;
-      case GL_TEXTURE_DEPTH_TYPE_ARB:
-         if (ctx->Extensions.ARB_texture_float) {
-            *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
-               _mesa_get_format_datatype(texFormat) : GL_NONE;
-         }
-         else {
-            goto invalid_pname;
-         }
-         break;
+   *params = (GLfloat) iparam;
+}
 
-      default:
-         goto invalid_pname;
-   }
+void GLAPIENTRY
+_mesa_GetTextureLevelParameterfvEXT(GLuint texture, GLenum target, GLint level,
+                                    GLenum pname, GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GLint iparam;
+   GET_CURRENT_CONTEXT(ctx);
 
-   /* no error if we get here */
-   return;
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glGetTextureLevelParameterfvEXT");
+   if (!texObj)
+      return;
 
-invalid_pname:
-   _mesa_error(ctx, GL_INVALID_ENUM,
-               "glGetTexLevelParameter[if]v(pname=%s)",
-               _mesa_lookup_enum_by_nr(pname));
+   if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
+      return;
+
+   get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
+                             pname, &iparam, true);
+
+   *params = (GLfloat) iparam;
 }
 
+void GLAPIENTRY
+_mesa_GetMultiTexLevelParameterfvEXT(GLenum texunit, GLenum target, GLint level,
+                                     GLenum pname, GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GLint iparam;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glGetMultiTexLevelParameterfvEXT");
+   if (!texObj)
+      return;
+
+   if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
+      return;
 
+   get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
+                             pname, &iparam, true);
+
+   *params = (GLfloat) iparam;
+}
 
 void GLAPIENTRY
-_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
+_mesa_GetTextureLevelParameteriv(GLuint texture, GLint level,
+                                 GLenum pname, GLint *params)
 {
-   struct gl_texture_object *obj;
-   GLboolean error = GL_FALSE;
+   struct gl_texture_object *texObj;
    GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   obj = get_texobj(ctx, target, GL_TRUE);
-   if (!obj)
+   texObj = _mesa_lookup_texture_err(ctx, texture,
+                                     "glGetTextureLevelParameteriv");
+   if (!texObj)
       return;
 
-   _mesa_lock_texture(ctx, obj);
+   if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
+      return;
+
+   get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
+                             pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureLevelParameterivEXT(GLuint texture, GLenum target, GLint level,
+                                    GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glGetTextureLevelParameterivEXT");
+   if (!texObj)
+      return;
+
+   if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
+      return;
+
+   get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
+                             pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetMultiTexLevelParameterivEXT(GLenum texunit, GLenum target, GLint level,
+                                     GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glGetMultiTexLevelParameterivEXT");
+   if (!texObj)
+      return;
+
+   if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
+      return;
+
+   get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
+                             pname, params, true);
+}
+
+
+/**
+ * This isn't exposed to the rest of the driver because it is a part of the
+ * OpenGL API that is rarely used.
+ */
+static void
+get_tex_parameterfv(struct gl_context *ctx,
+                    struct gl_texture_object *obj,
+                    GLenum pname, GLfloat *params, bool dsa)
+{
+   _mesa_lock_context_textures(ctx);
    switch (pname) {
       case GL_TEXTURE_MAG_FILTER:
         *params = ENUM_TO_FLOAT(obj->Sampler.MagFilter);
@@ -1144,17 +2151,17 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
          *params = ENUM_TO_FLOAT(obj->Sampler.WrapR);
          break;
       case GL_TEXTURE_BORDER_COLOR:
-         if(ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
-            _mesa_update_state_locked(ctx);
-         if(ctx->Color._ClampFragmentColor)
-         {
+         if (ctx->API == API_OPENGLES ||
+             !ctx->Extensions.ARB_texture_border_clamp)
+            goto invalid_pname;
+
+         if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) {
             params[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
             params[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
             params[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
             params[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
          }
-         else
-         {
+         else {
             params[0] = obj->Sampler.BorderColor.f[0];
             params[1] = obj->Sampler.BorderColor.f[1];
             params[2] = obj->Sampler.BorderColor.f[2];
@@ -1162,160 +2169,230 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
          }
          break;
       case GL_TEXTURE_RESIDENT:
-         {
-            GLboolean resident;
-            if (ctx->Driver.IsTextureResident)
-               resident = ctx->Driver.IsTextureResident(ctx, obj);
-            else
-               resident = GL_TRUE;
-            *params = ENUM_TO_FLOAT(resident);
-         }
+         if (ctx->API != API_OPENGL_COMPAT)
+            goto invalid_pname;
+
+         *params = 1.0F;
          break;
       case GL_TEXTURE_PRIORITY:
+         if (ctx->API != API_OPENGL_COMPAT)
+            goto invalid_pname;
+
          *params = obj->Priority;
          break;
       case GL_TEXTURE_MIN_LOD:
+         if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+
          *params = obj->Sampler.MinLod;
          break;
       case GL_TEXTURE_MAX_LOD:
+         if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+
          *params = obj->Sampler.MaxLod;
          break;
       case GL_TEXTURE_BASE_LEVEL:
+         if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+
          *params = (GLfloat) obj->BaseLevel;
          break;
       case GL_TEXTURE_MAX_LEVEL:
          *params = (GLfloat) obj->MaxLevel;
          break;
       case GL_TEXTURE_MAX_ANISOTROPY_EXT:
-         if (ctx->Extensions.EXT_texture_filter_anisotropic) {
-            *params = obj->Sampler.MaxAnisotropy;
-         }
-        else
-           error = GL_TRUE;
-         break;
-      case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
-         if (ctx->Extensions.ARB_shadow_ambient) {
-            *params = obj->Sampler.CompareFailValue;
-         }
-        else 
-           error = GL_TRUE;
+         if (!ctx->Extensions.EXT_texture_filter_anisotropic)
+            goto invalid_pname;
+         *params = obj->Sampler.MaxAnisotropy;
          break;
       case GL_GENERATE_MIPMAP_SGIS:
+         if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
+            goto invalid_pname;
+
         *params = (GLfloat) obj->GenerateMipmap;
          break;
       case GL_TEXTURE_COMPARE_MODE_ARB:
-         if (ctx->Extensions.ARB_shadow) {
-            *params = (GLfloat) obj->Sampler.CompareMode;
-         }
-        else 
-           error = GL_TRUE;
+         if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
+             && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         *params = (GLfloat) obj->Sampler.CompareMode;
          break;
       case GL_TEXTURE_COMPARE_FUNC_ARB:
-         if (ctx->Extensions.ARB_shadow) {
-            *params = (GLfloat) obj->Sampler.CompareFunc;
-         }
-        else 
-           error = GL_TRUE;
+         if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
+             && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         *params = (GLfloat) obj->Sampler.CompareFunc;
          break;
       case GL_DEPTH_TEXTURE_MODE_ARB:
-         if (ctx->Extensions.ARB_depth_texture) {
-            *params = (GLfloat) obj->Sampler.DepthMode;
-         }
-        else 
-           error = GL_TRUE;
+         /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has
+          * never existed in OpenGL ES.
+          */
+         if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
+            goto invalid_pname;
+         *params = (GLfloat) obj->DepthMode;
+         break;
+      case GL_DEPTH_STENCIL_TEXTURE_MODE:
+         if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx))
+            goto invalid_pname;
+         *params = (GLfloat)
+            (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT);
          break;
       case GL_TEXTURE_LOD_BIAS:
-         if (ctx->Extensions.EXT_texture_lod_bias) {
-            *params = obj->Sampler.LodBias;
-         }
-        else 
-           error = GL_TRUE;
+         if (_mesa_is_gles(ctx))
+            goto invalid_pname;
+
+         *params = obj->Sampler.LodBias;
          break;
-#if FEATURE_OES_draw_texture
       case GL_TEXTURE_CROP_RECT_OES:
-         params[0] = obj->CropRect[0];
-         params[1] = obj->CropRect[1];
-         params[2] = obj->CropRect[2];
-         params[3] = obj->CropRect[3];
+         if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
+            goto invalid_pname;
+
+         params[0] = (GLfloat) obj->CropRect[0];
+         params[1] = (GLfloat) obj->CropRect[1];
+         params[2] = (GLfloat) obj->CropRect[2];
+         params[3] = (GLfloat) obj->CropRect[3];
          break;
-#endif
 
       case GL_TEXTURE_SWIZZLE_R_EXT:
       case GL_TEXTURE_SWIZZLE_G_EXT:
       case GL_TEXTURE_SWIZZLE_B_EXT:
       case GL_TEXTURE_SWIZZLE_A_EXT:
-         if (ctx->Extensions.EXT_texture_swizzle) {
-            GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
-            *params = (GLfloat) obj->Swizzle[comp];
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if ((!_mesa_is_desktop_gl(ctx)
+              || !ctx->Extensions.EXT_texture_swizzle)
+             && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         *params = (GLfloat) obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
          break;
 
       case GL_TEXTURE_SWIZZLE_RGBA_EXT:
-         if (ctx->Extensions.EXT_texture_swizzle) {
+         if ((!_mesa_is_desktop_gl(ctx)
+              || !ctx->Extensions.EXT_texture_swizzle)
+             && !_mesa_is_gles3(ctx)) {
+            goto invalid_pname;
+         }
+         else {
             GLuint comp;
             for (comp = 0; comp < 4; comp++) {
                params[comp] = (GLfloat) obj->Swizzle[comp];
             }
          }
-         else {
-            error = GL_TRUE;
-         }
          break;
 
       case GL_TEXTURE_CUBE_MAP_SEAMLESS:
-      if (ctx->Extensions.AMD_seamless_cubemap_per_texture) {
+         if (!_mesa_is_desktop_gl(ctx)
+             || !ctx->Extensions.AMD_seamless_cubemap_per_texture)
+            goto invalid_pname;
          *params = (GLfloat) obj->Sampler.CubeMapSeamless;
-      }
-      else {
-         error = GL_TRUE;
-      }
+         break;
+
+      case GL_TEXTURE_IMMUTABLE_FORMAT:
+         *params = (GLfloat) obj->Immutable;
+         break;
+
+      case GL_TEXTURE_IMMUTABLE_LEVELS:
+         if (_mesa_is_gles3(ctx) || _mesa_has_texture_view(ctx))
+            *params = (GLfloat) obj->ImmutableLevels;
+         else
+            goto invalid_pname;
+         break;
+
+      case GL_TEXTURE_VIEW_MIN_LEVEL:
+         if (!_mesa_has_texture_view(ctx))
+            goto invalid_pname;
+         *params = (GLfloat) obj->MinLevel;
+         break;
+
+      case GL_TEXTURE_VIEW_NUM_LEVELS:
+         if (!_mesa_has_texture_view(ctx))
+            goto invalid_pname;
+         *params = (GLfloat) obj->NumLevels;
+         break;
+
+      case GL_TEXTURE_VIEW_MIN_LAYER:
+         if (!_mesa_has_texture_view(ctx))
+            goto invalid_pname;
+         *params = (GLfloat) obj->MinLayer;
+         break;
+
+      case GL_TEXTURE_VIEW_NUM_LAYERS:
+         if (!_mesa_has_texture_view(ctx))
+            goto invalid_pname;
+         *params = (GLfloat) obj->NumLayers;
+         break;
+
+      case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+         if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
+            goto invalid_pname;
+         *params = (GLfloat) obj->RequiredTextureImageUnits;
+         break;
+
+      case GL_TEXTURE_SRGB_DECODE_EXT:
+         if (!ctx->Extensions.EXT_texture_sRGB_decode)
+            goto invalid_pname;
+         *params = (GLfloat) obj->Sampler.sRGBDecode;
+         break;
+
+      case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
+         if (!ctx->Extensions.ARB_shader_image_load_store)
+            goto invalid_pname;
+         *params = (GLfloat) obj->ImageFormatCompatibilityType;
+         break;
+
+      case GL_TEXTURE_TARGET:
+         if (ctx->API != API_OPENGL_CORE)
+            goto invalid_pname;
+         *params = ENUM_TO_FLOAT(obj->Target);
+         break;
+
+      case GL_TEXTURE_TILING_EXT:
+         if (!ctx->Extensions.EXT_memory_object)
+            goto invalid_pname;
+         *params = ENUM_TO_FLOAT(obj->TextureTiling);
+         break;
 
       default:
-        error = GL_TRUE;
-        break;
+         goto invalid_pname;
    }
 
-   if (error)
-      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
-                 pname);
+   /* no error if we get here */
+   _mesa_unlock_context_textures(ctx);
+   return;
 
-   _mesa_unlock_texture(ctx, obj);
+invalid_pname:
+   _mesa_unlock_context_textures(ctx);
+   _mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameterfv(pname=0x%x)",
+               dsa ? "ture" : "", pname);
 }
 
 
-void GLAPIENTRY
-_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
+static void
+get_tex_parameteriv(struct gl_context *ctx,
+                    struct gl_texture_object *obj,
+                    GLenum pname, GLint *params, bool dsa)
 {
-   struct gl_texture_object *obj;
-   GLboolean error = GL_FALSE;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-    obj = get_texobj(ctx, target, GL_TRUE);
-    if (!obj)
-       return;
-
    _mesa_lock_texture(ctx, obj);
    switch (pname) {
       case GL_TEXTURE_MAG_FILTER:
          *params = (GLint) obj->Sampler.MagFilter;
-         break;;
+         break;
       case GL_TEXTURE_MIN_FILTER:
          *params = (GLint) obj->Sampler.MinFilter;
-         break;;
+         break;
       case GL_TEXTURE_WRAP_S:
          *params = (GLint) obj->Sampler.WrapS;
-         break;;
+         break;
       case GL_TEXTURE_WRAP_T:
          *params = (GLint) obj->Sampler.WrapT;
-         break;;
+         break;
       case GL_TEXTURE_WRAP_R:
          *params = (GLint) obj->Sampler.WrapR;
-         break;;
+         break;
       case GL_TEXTURE_BORDER_COLOR:
+         if (ctx->API == API_OPENGLES ||
+             !ctx->Extensions.ARB_texture_border_clamp)
+            goto invalid_pname;
+
          {
             GLfloat b[4];
             b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
@@ -1327,132 +2404,278 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
             params[2] = FLOAT_TO_INT(b[2]);
             params[3] = FLOAT_TO_INT(b[3]);
          }
-         break;;
+         break;
       case GL_TEXTURE_RESIDENT:
-         {
-            GLboolean resident;
-            if (ctx->Driver.IsTextureResident)
-               resident = ctx->Driver.IsTextureResident(ctx, obj);
-            else
-               resident = GL_TRUE;
-            *params = (GLint) resident;
-         }
-         break;;
+         if (ctx->API != API_OPENGL_COMPAT)
+            goto invalid_pname;
+
+         *params = 1;
+         break;
       case GL_TEXTURE_PRIORITY:
+         if (ctx->API != API_OPENGL_COMPAT)
+            goto invalid_pname;
+
          *params = FLOAT_TO_INT(obj->Priority);
-         break;;
+         break;
       case GL_TEXTURE_MIN_LOD:
-         *params = (GLint) obj->Sampler.MinLod;
-         break;;
+         if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         /* GL spec 'Data Conversions' section specifies that floating-point
+          * value in integer Get function is rounded to nearest integer
+          *
+          * Section 2.2.2 (Data Conversions For State Query Commands) of the
+          * OpenGL 4.5 spec says:
+          *
+          *   Following these steps, if a value is so large in magnitude that
+          *   it cannot be represented by the returned data type, then the
+          *   nearest value representable using that type is returned.
+          */
+         *params = CLAMP(lroundf(obj->Sampler.MinLod), INT_MIN, INT_MAX);
+         break;
       case GL_TEXTURE_MAX_LOD:
-         *params = (GLint) obj->Sampler.MaxLod;
-         break;;
+         if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         /* GL spec 'Data Conversions' section specifies that floating-point
+          * value in integer Get function is rounded to nearest integer
+          *
+          * Section 2.2.2 (Data Conversions For State Query Commands) of the
+          * OpenGL 4.5 spec says:
+          *
+          *   Following these steps, if a value is so large in magnitude that
+          *   it cannot be represented by the returned data type, then the
+          *   nearest value representable using that type is returned.
+          */
+         *params = CLAMP(lroundf(obj->Sampler.MaxLod), INT_MIN, INT_MAX);
+         break;
       case GL_TEXTURE_BASE_LEVEL:
+         if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+
          *params = obj->BaseLevel;
-         break;;
-      case GL_TEXTURE_MAX_LEVEL:
-         *params = obj->MaxLevel;
-         break;;
-      case GL_TEXTURE_MAX_ANISOTROPY_EXT:
-         if (ctx->Extensions.EXT_texture_filter_anisotropic) {
-            *params = (GLint) obj->Sampler.MaxAnisotropy;
-         }
-         else {
-            error = GL_TRUE;
-         }
          break;
-      case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
-         if (ctx->Extensions.ARB_shadow_ambient) {
-            *params = (GLint) FLOAT_TO_INT(obj->Sampler.CompareFailValue);
-         }
-         else {
-            error = GL_TRUE;
-         }
+      case GL_TEXTURE_MAX_LEVEL:
+         *params = obj->MaxLevel;
+         break;
+      case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+         if (!ctx->Extensions.EXT_texture_filter_anisotropic)
+            goto invalid_pname;
+         /* GL spec 'Data Conversions' section specifies that floating-point
+          * value in integer Get function is rounded to nearest integer
+          *
+          * Section 2.2.2 (Data Conversions For State Query Commands) of the
+          * OpenGL 4.5 spec says:
+          *
+          *   Following these steps, if a value is so large in magnitude that
+          *   it cannot be represented by the returned data type, then the
+          *   nearest value representable using that type is returned.
+          */
+         *params = CLAMP(lroundf(obj->Sampler.MaxAnisotropy), INT_MIN, INT_MAX);
          break;
       case GL_GENERATE_MIPMAP_SGIS:
+         if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
+            goto invalid_pname;
+
         *params = (GLint) obj->GenerateMipmap;
          break;
       case GL_TEXTURE_COMPARE_MODE_ARB:
-         if (ctx->Extensions.ARB_shadow) {
-            *params = (GLint) obj->Sampler.CompareMode;
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
+             && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         *params = (GLint) obj->Sampler.CompareMode;
          break;
       case GL_TEXTURE_COMPARE_FUNC_ARB:
-         if (ctx->Extensions.ARB_shadow) {
-            *params = (GLint) obj->Sampler.CompareFunc;
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
+             && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         *params = (GLint) obj->Sampler.CompareFunc;
          break;
       case GL_DEPTH_TEXTURE_MODE_ARB:
-         if (ctx->Extensions.ARB_depth_texture) {
-            *params = (GLint) obj->Sampler.DepthMode;
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
+            goto invalid_pname;
+         *params = (GLint) obj->DepthMode;
+         break;
+      case GL_DEPTH_STENCIL_TEXTURE_MODE:
+         if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx))
+            goto invalid_pname;
+         *params = (GLint)
+            (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT);
          break;
       case GL_TEXTURE_LOD_BIAS:
-         if (ctx->Extensions.EXT_texture_lod_bias) {
-            *params = (GLint) obj->Sampler.LodBias;
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if (_mesa_is_gles(ctx))
+            goto invalid_pname;
+
+         /* GL spec 'Data Conversions' section specifies that floating-point
+          * value in integer Get function is rounded to nearest integer
+          *
+          * Section 2.2.2 (Data Conversions For State Query Commands) of the
+          * OpenGL 4.5 spec says:
+          *
+          *   Following these steps, if a value is so large in magnitude that
+          *   it cannot be represented by the returned data type, then the
+          *   nearest value representable using that type is returned.
+          */
+         *params = CLAMP(lroundf(obj->Sampler.LodBias), INT_MIN, INT_MAX);
          break;
-#if FEATURE_OES_draw_texture
       case GL_TEXTURE_CROP_RECT_OES:
+         if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
+            goto invalid_pname;
+
          params[0] = obj->CropRect[0];
          params[1] = obj->CropRect[1];
          params[2] = obj->CropRect[2];
          params[3] = obj->CropRect[3];
          break;
-#endif
       case GL_TEXTURE_SWIZZLE_R_EXT:
       case GL_TEXTURE_SWIZZLE_G_EXT:
       case GL_TEXTURE_SWIZZLE_B_EXT:
       case GL_TEXTURE_SWIZZLE_A_EXT:
-         if (ctx->Extensions.EXT_texture_swizzle) {
-            GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
-            *params = obj->Swizzle[comp];
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if ((!_mesa_is_desktop_gl(ctx)
+              || !ctx->Extensions.EXT_texture_swizzle)
+             && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         *params = obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
          break;
 
       case GL_TEXTURE_SWIZZLE_RGBA_EXT:
-         if (ctx->Extensions.EXT_texture_swizzle) {
-            COPY_4V(params, obj->Swizzle);
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if ((!_mesa_is_desktop_gl(ctx)
+              || !ctx->Extensions.EXT_texture_swizzle)
+             && !_mesa_is_gles3(ctx))
+            goto invalid_pname;
+         COPY_4V(params, obj->Swizzle);
          break;
 
       case GL_TEXTURE_CUBE_MAP_SEAMLESS:
-         if (ctx->Extensions.AMD_seamless_cubemap_per_texture) {
-            *params = (GLint) obj->Sampler.CubeMapSeamless;
-         }
-         else {
-            error = GL_TRUE;
-         }
+         if (!_mesa_is_desktop_gl(ctx)
+             || !ctx->Extensions.AMD_seamless_cubemap_per_texture)
+            goto invalid_pname;
+         *params = (GLint) obj->Sampler.CubeMapSeamless;
+         break;
+
+      case GL_TEXTURE_IMMUTABLE_FORMAT:
+         *params = (GLint) obj->Immutable;
+         break;
+
+      case GL_TEXTURE_IMMUTABLE_LEVELS:
+         if (_mesa_is_gles3(ctx) ||
+             (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view))
+            *params = obj->ImmutableLevels;
+         else
+            goto invalid_pname;
+         break;
+
+      case GL_TEXTURE_VIEW_MIN_LEVEL:
+         if (!ctx->Extensions.ARB_texture_view)
+            goto invalid_pname;
+         *params = (GLint) obj->MinLevel;
+         break;
+
+      case GL_TEXTURE_VIEW_NUM_LEVELS:
+         if (!ctx->Extensions.ARB_texture_view)
+            goto invalid_pname;
+         *params = (GLint) obj->NumLevels;
+         break;
+
+      case GL_TEXTURE_VIEW_MIN_LAYER:
+         if (!ctx->Extensions.ARB_texture_view)
+            goto invalid_pname;
+         *params = (GLint) obj->MinLayer;
+         break;
+
+      case GL_TEXTURE_VIEW_NUM_LAYERS:
+         if (!ctx->Extensions.ARB_texture_view)
+            goto invalid_pname;
+         *params = (GLint) obj->NumLayers;
+         break;
+
+      case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+         if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
+            goto invalid_pname;
+         *params = obj->RequiredTextureImageUnits;
+         break;
+
+      case GL_TEXTURE_SRGB_DECODE_EXT:
+         if (!ctx->Extensions.EXT_texture_sRGB_decode)
+            goto invalid_pname;
+         *params = obj->Sampler.sRGBDecode;
+         break;
+
+      case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
+         if (!ctx->Extensions.ARB_shader_image_load_store)
+            goto invalid_pname;
+         *params = obj->ImageFormatCompatibilityType;
+         break;
+
+      case GL_TEXTURE_TARGET:
+         if (ctx->API != API_OPENGL_CORE)
+            goto invalid_pname;
+         *params = (GLint) obj->Target;
+         break;
+
+      case GL_TEXTURE_TILING_EXT:
+         if (!ctx->Extensions.EXT_memory_object)
+            goto invalid_pname;
+         *params = (GLint) obj->TextureTiling;
+         break;
 
       default:
-         ; /* silence warnings */
+         goto invalid_pname;
    }
 
-   if (error)
-      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)",
-                 pname);
+   /* no error if we get here */
+   _mesa_unlock_texture(ctx, obj);
+   return;
 
+invalid_pname:
    _mesa_unlock_texture(ctx, obj);
+   _mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameteriv(pname=0x%x)",
+               dsa ? "ture" : "", pname);
+}
+
+static void
+get_tex_parameterIiv(struct gl_context *ctx,
+                     struct gl_texture_object *obj,
+                     GLenum pname, GLint *params, bool dsa)
+{
+   switch (pname) {
+   case GL_TEXTURE_BORDER_COLOR:
+      COPY_4V(params, obj->Sampler.BorderColor.i);
+      break;
+   default:
+      get_tex_parameteriv(ctx, obj, pname, params, dsa);
+   }
+}
+
+void GLAPIENTRY
+_mesa_GetTexParameterfv(GLenum target, GLenum pname, GLfloat *params)
+{
+   struct gl_texture_object *obj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   obj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                ctx->Texture.CurrentUnit,
+                                                false,
+                                                "glGetTexParameterfv");
+   if (!obj)
+      return;
+
+   get_tex_parameterfv(ctx, obj, pname, params, false);
 }
 
+void GLAPIENTRY
+_mesa_GetTexParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+   struct gl_texture_object *obj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   obj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                ctx->Texture.CurrentUnit,
+                                                false,
+                                                "glGetTexParameteriv");
+   if (!obj)
+      return;
+
+   get_tex_parameteriv(ctx, obj, pname, params, false);
+}
 
 /** New in GL 3.0 */
 void GLAPIENTRY
@@ -1460,17 +2683,15 @@ _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
 {
    struct gl_texture_object *texObj;
    GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   texObj = get_texobj(ctx, target, GL_TRUE);
-   
-   switch (pname) {
-   case GL_TEXTURE_BORDER_COLOR:
-      COPY_4V(params, texObj->Sampler.BorderColor.i);
-      break;
-   default:
-      _mesa_GetTexParameteriv(target, pname, params);
-   }
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                ctx->Texture.CurrentUnit,
+                                                false,
+                                                "glGetTexParameterIiv");
+   if (!texObj)
+      return;
+
+   get_tex_parameterIiv(ctx, texObj, pname, params, false);
 }
 
 
@@ -1480,25 +2701,206 @@ _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
 {
    struct gl_texture_object *texObj;
    GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   texObj = get_texobj(ctx, target, GL_TRUE);
-   
-   switch (pname) {
-   case GL_TEXTURE_BORDER_COLOR:
-      COPY_4V(params, texObj->Sampler.BorderColor.i);
-      break;
-   default:
-      {
-         GLint ip[4];
-         _mesa_GetTexParameteriv(target, pname, ip);
-         params[0] = ip[0];
-         if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT || 
-             pname == GL_TEXTURE_CROP_RECT_OES) {
-            params[1] = ip[1];
-            params[2] = ip[2];
-            params[3] = ip[3];
-         }
-      }
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                ctx->Texture.CurrentUnit,
+                                                false,
+                                                "glGetTexParameterIuiv");
+   if (!texObj)
+      return;
+
+   get_tex_parameterIiv(ctx, texObj, pname, (GLint *) params, false);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameterfvEXT(GLuint texture, GLenum target, GLenum pname, GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glGetTextureParameterfvEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTextureParameterfvEXT");
+      return;
+   }
+
+   get_tex_parameterfv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetMultiTexParameterfvEXT(GLenum texunit, GLenum target, GLenum pname, GLfloat *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glGetMultiTexParameterfvEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMultiTexParameterfvEXT");
+      return;
+   }
+   get_tex_parameterfv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameterfv(GLuint texture, GLenum pname, GLfloat *params)
+{
+   struct gl_texture_object *obj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   obj = get_texobj_by_name(ctx, texture, "glGetTextureParameterfv");
+   if (!obj)
+      return;
+
+   get_tex_parameterfv(ctx, obj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameterivEXT(GLuint texture, GLenum target, GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glGetTextureParameterivEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTextureParameterivEXT");
+      return;
+   }
+   get_tex_parameteriv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetMultiTexParameterivEXT(GLenum texunit, GLenum target, GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glGetMultiTexParameterivEXT");
+   if (!texObj)
+      return;
+
+   if (!is_texparameteri_target_valid(texObj->Target)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMultiTexParameterivEXT");
+      return;
    }
+   get_tex_parameteriv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameteriv(GLuint texture, GLenum pname, GLint *params)
+{
+   struct gl_texture_object *obj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   obj = get_texobj_by_name(ctx, texture, "glGetTextureParameteriv");
+   if (!obj)
+      return;
+
+   get_tex_parameteriv(ctx, obj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameterIiv(GLuint texture, GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = get_texobj_by_name(ctx, texture, "glGetTextureParameterIiv");
+   if (!texObj)
+      return;
+
+   get_tex_parameterIiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameterIivEXT(GLuint texture, GLenum target, GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glGetTextureParameterIivEXT");
+   if (!texObj)
+      return;
+
+
+   get_tex_parameterIiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetMultiTexParameterIivEXT(GLenum texunit, GLenum target, GLenum pname,
+                                 GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glGetMultiTexParameterIiv");
+   if (!texObj)
+      return;
+
+   get_tex_parameterIiv(ctx, texObj, pname, params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameterIuiv(GLuint texture, GLenum pname, GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = get_texobj_by_name(ctx, texture, "glGetTextureParameterIuiv");
+   if (!texObj)
+      return;
+
+   get_tex_parameterIiv(ctx, texObj, pname, (GLint *) params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetTextureParameterIuivEXT(GLuint texture, GLenum target, GLenum pname,
+                                 GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glGetTextureParameterIuvEXT");
+   if (!texObj)
+      return;
+
+   get_tex_parameterIiv(ctx, texObj, pname, (GLint *) params, true);
+}
+
+void GLAPIENTRY
+_mesa_GetMultiTexParameterIuivEXT(GLenum texunit, GLenum target, GLenum pname,
+                               GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glGetMultiTexParameterIuiv");
+   if (!texObj)
+      return;
+
+   get_tex_parameterIiv(ctx, texObj, pname, (GLint *) params, true);
 }