Adds the new texture targets, and per-image state for GL_TEXTURE_SAMPLES
and GL_TEXTURE_FIXED_SAMPLE_LOCATIONS.

V2: - Allow multisample texture targets in glInvalidateTexSubImage too.
      This was already partly there, but I missed it the first time around
      since the interaction is defined in a newer extension. Fixed weird
      indentation.
    - Allow multisample array textures in glFramebufferTextureLayer.
      This was overlooked as the tests originally only used 2d
      multisample textures.

Signed-off-by: Chris Forbes <chr...@ijw.co.nz>
---
 src/mesa/main/fbobject.c         | 11 ++++++--
 src/mesa/main/get.c              |  3 ++
 src/mesa/main/get_hash_params.py |  5 ++++
 src/mesa/main/mtypes.h           |  8 ++++++
 src/mesa/main/shared.c           |  2 ++
 src/mesa/main/teximage.c         | 60 ++++++++++++++++++++++++++++++++++++++--
 src/mesa/main/texobj.c           | 29 +++++++++++++++++--
 src/mesa/main/texparam.c         | 16 +++++++++++
 src/mesa/main/texstate.c         |  2 ++
 9 files changed, 129 insertions(+), 7 deletions(-)

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 257f839..d9fd78e 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -2069,7 +2069,8 @@ framebuffer_texture(struct gl_context *ctx, const char 
*caller, GLenum target,
             err = (texObj->Target != GL_TEXTURE_3D) &&
                 (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
                 (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT) &&
-                (texObj->Target != GL_TEXTURE_CUBE_MAP_ARRAY);
+                (texObj->Target != GL_TEXTURE_CUBE_MAP_ARRAY) &&
+                (texObj->Target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
          }
          else {
             /* Make sure textarget is consistent with the texture's type */
@@ -2103,7 +2104,8 @@ framebuffer_texture(struct gl_context *ctx, const char 
*caller, GLenum target,
       }
       else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
                (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT) ||
-               (texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY)) {
+               (texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) ||
+               (texObj->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)) {
          if (zoffset < 0 ||
              zoffset >= (GLint) ctx->Const.MaxArrayTextureLayers) {
             _mesa_error(ctx, GL_INVALID_VALUE,
@@ -2255,6 +2257,11 @@ _mesa_FramebufferTexture2D(GLenum target, GLenum 
attachment,
          error = (_mesa_is_gles(ctx) && ctx->Version < 30)
             || !ctx->Extensions.EXT_texture_array;
          break;
+      case GL_TEXTURE_2D_MULTISAMPLE:
+      case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+         error = _mesa_is_gles(ctx)
+            || !ctx->Extensions.ARB_texture_multisample;
+         break;
       default:
          error = GL_TRUE;
       }
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index da1e01c..056bacb 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -354,6 +354,7 @@ EXTRA_EXT(ARB_timer_query);
 EXTRA_EXT(ARB_map_buffer_alignment);
 EXTRA_EXT(ARB_texture_cube_map_array);
 EXTRA_EXT(ARB_texture_buffer_range);
+EXTRA_EXT(ARB_texture_multisample);
 
 static const int
 extra_NV_primitive_restart[] = {
@@ -693,6 +694,8 @@ find_custom_value(struct gl_context *ctx, const struct 
value_desc *d, union valu
    case GL_TEXTURE_BINDING_RECTANGLE_NV:
    case GL_TEXTURE_BINDING_EXTERNAL_OES:
    case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
+   case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
       unit = ctx->Texture.CurrentUnit;
       v->value_int =
         ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
index b6bed80..e06046b 100644
--- a/src/mesa/main/get_hash_params.py
+++ b/src/mesa/main/get_hash_params.py
@@ -660,6 +660,11 @@ descriptor=[
   [ "TEXTURE_BUFFER_FORMAT_ARB", "LOC_CUSTOM, TYPE_INT, 0, 
extra_texture_buffer_object" ],
   [ "TEXTURE_BUFFER_ARB", "LOC_CUSTOM, TYPE_INT, 0, 
extra_texture_buffer_object" ],
 
+# GL_ARB_texture_multisample / GL 3.2
+  [ "TEXTURE_BINDING_2D_MULTISAMPLE", "LOC_CUSTOM, TYPE_INT, 
TEXTURE_2D_MULTISAMPLE_INDEX, extra_ARB_texture_multisample" ],
+  [ "TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY", "LOC_CUSTOM, TYPE_INT, 
TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX, extra_ARB_texture_multisample" ],
+
+
 # GL_ARB_sampler_objects / GL 3.3
   [ "SAMPLER_BINDING", "LOC_CUSTOM, TYPE_INT, GL_SAMPLER_BINDING, NO_EXTRA" ],
 
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index b92f98e..a292d98 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1148,6 +1148,8 @@ struct gl_stencil_attrib
  */
 typedef enum
 {
+   TEXTURE_2D_MULTISAMPLE_INDEX,
+   TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX,
    TEXTURE_CUBE_ARRAY_INDEX,
    TEXTURE_BUFFER_INDEX,
    TEXTURE_2D_ARRAY_INDEX,
@@ -1167,6 +1169,8 @@ typedef enum
  * Used for Texture.Unit[]._ReallyEnabled flags.
  */
 /*@{*/
+#define TEXTURE_2D_MULTISAMPLE_BIT (1 << TEXTURE_2D_MULTISAMPLE_INDEX)
+#define TEXTURE_2D_MULTISAMPLE_ARRAY_BIT (1 << 
TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX)
 #define TEXTURE_CUBE_ARRAY_BIT (1 << TEXTURE_CUBE_ARRAY_INDEX)
 #define TEXTURE_BUFFER_BIT   (1 << TEXTURE_BUFFER_INDEX)
 #define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
@@ -1212,6 +1216,10 @@ struct gl_texture_image
    GLuint Level;                /**< Which mipmap level am I? */
    /** Cube map face: index into gl_texture_object::Image[] array */
    GLuint Face;
+
+   /** GL_ARB_texture_multisample */
+   GLuint NumSamples;               /**< Sample count, or 0 for 
non-multisample */
+   GLboolean FixedSampleLocations;  /**< Same sample locations for all pixels? 
*/
 };
 
 
diff --git a/src/mesa/main/shared.c b/src/mesa/main/shared.c
index a98a45c..4081259 100644
--- a/src/mesa/main/shared.c
+++ b/src/mesa/main/shared.c
@@ -92,6 +92,8 @@ _mesa_alloc_shared_state(struct gl_context *ctx)
    for (i = 0; i < NUM_TEXTURE_TARGETS; i++) {
       /* NOTE: the order of these enums matches the TEXTURE_x_INDEX values */
       static const GLenum targets[] = {
+         GL_TEXTURE_2D_MULTISAMPLE,
+         GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
          GL_TEXTURE_CUBE_MAP_ARRAY,
          GL_TEXTURE_BUFFER,
          GL_TEXTURE_2D_ARRAY_EXT,
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 889e875..dbeaa93 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -661,7 +661,7 @@ _mesa_is_proxy_texture(GLenum target)
     * NUM_TEXTURE_TARGETS should match number of terms below, except there's no
     * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
     */
-   assert(NUM_TEXTURE_TARGETS == 8 + 2);
+   assert(NUM_TEXTURE_TARGETS == 10 + 2);
 
    return (target == GL_PROXY_TEXTURE_1D ||
            target == GL_PROXY_TEXTURE_2D ||
@@ -670,7 +670,9 @@ _mesa_is_proxy_texture(GLenum target)
            target == GL_PROXY_TEXTURE_RECTANGLE_NV ||
            target == GL_PROXY_TEXTURE_1D_ARRAY_EXT ||
            target == GL_PROXY_TEXTURE_2D_ARRAY_EXT ||
-           target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY);
+           target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY ||
+           target == GL_PROXY_TEXTURE_2D_MULTISAMPLE ||
+           target == GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY);
 }
 
 
@@ -711,6 +713,12 @@ _mesa_get_proxy_target(GLenum target)
    case GL_TEXTURE_CUBE_MAP_ARRAY:
    case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
       return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY;
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+      return GL_PROXY_TEXTURE_2D_MULTISAMPLE;
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY;
    default:
       _mesa_problem(NULL, "unexpected target in _mesa_get_proxy_target()");
       return 0;
@@ -788,6 +796,18 @@ _mesa_select_tex_object(struct gl_context *ctx,
       case GL_TEXTURE_EXTERNAL_OES:
          return ctx->Extensions.OES_EGL_image_external
             ? texUnit->CurrentTex[TEXTURE_EXTERNAL_INDEX] : NULL;
+      case GL_TEXTURE_2D_MULTISAMPLE:
+         return ctx->Extensions.ARB_texture_multisample
+            ? texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_INDEX] : NULL;
+      case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+         return ctx->Extensions.ARB_texture_multisample
+            ? ctx->Texture.ProxyTex[TEXTURE_2D_MULTISAMPLE_INDEX] : NULL;
+      case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+         return ctx->Extensions.ARB_texture_multisample
+            ? texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX] : NULL;
+      case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+         return ctx->Extensions.ARB_texture_multisample
+            ? ctx->Texture.ProxyTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX] : NULL;
       default:
          _mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
          return NULL;
@@ -918,6 +938,16 @@ get_proxy_tex_image(struct gl_context *ctx, GLenum target, 
GLint level)
          return NULL;
       texIndex = TEXTURE_CUBE_ARRAY_INDEX;
       break;
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+      if (level > 0)
+         return 0;
+      texIndex = TEXTURE_2D_MULTISAMPLE_INDEX;
+      break;
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      if (level > 0)
+         return 0;
+      texIndex = TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX;
+      break;
    default:
       return NULL;
    }
@@ -987,6 +1017,13 @@ _mesa_max_texture_levels(struct gl_context *ctx, GLenum 
target)
    case GL_TEXTURE_BUFFER:
       return ctx->API == API_OPENGL_CORE &&
              ctx->Extensions.ARB_texture_buffer_object ? 1 : 0;
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return _mesa_is_desktop_gl(ctx)
+         && ctx->Extensions.ARB_texture_multisample
+         ? 1 : 0;
    case GL_TEXTURE_EXTERNAL_OES:
       /* fall-through */
    default:
@@ -1020,6 +1057,8 @@ _mesa_get_texture_dimensions(GLenum target)
    case GL_TEXTURE_1D_ARRAY:
    case GL_PROXY_TEXTURE_1D_ARRAY:
    case GL_TEXTURE_EXTERNAL_OES:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
       return 2;
    case GL_TEXTURE_3D:
    case GL_PROXY_TEXTURE_3D:
@@ -1027,6 +1066,8 @@ _mesa_get_texture_dimensions(GLenum target)
    case GL_PROXY_TEXTURE_2D_ARRAY:
    case GL_TEXTURE_CUBE_MAP_ARRAY:
    case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
       return 3;
    case GL_TEXTURE_BUFFER:
       /* fall-through */
@@ -1068,6 +1109,8 @@ _mesa_get_tex_max_num_levels(GLenum target, GLsizei 
width, GLsizei height,
       break;
    case GL_TEXTURE_RECTANGLE:
    case GL_TEXTURE_EXTERNAL_OES:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
       return 1;
    default:
       assert(0);
@@ -1153,6 +1196,8 @@ clear_teximage_fields(struct gl_texture_image *img)
    img->HeightLog2 = 0;
    img->DepthLog2 = 0;
    img->TexFormat = MESA_FORMAT_NONE;
+   img->NumSamples = 0;
+   img->FixedSampleLocations = GL_TRUE;
 }
 
 
@@ -1196,6 +1241,9 @@ _mesa_init_teximage_fields(struct gl_context *ctx,
    img->Width2 = width - 2 * border;   /* == 1 << img->WidthLog2; */
    img->WidthLog2 = _mesa_logbase2(img->Width2);
 
+   img->NumSamples = 0;
+   img->FixedSampleLocations = GL_TRUE;
+
    switch(target) {
    case GL_TEXTURE_1D:
    case GL_TEXTURE_BUFFER:
@@ -1234,6 +1282,8 @@ _mesa_init_teximage_fields(struct gl_context *ctx,
    case GL_PROXY_TEXTURE_2D:
    case GL_PROXY_TEXTURE_RECTANGLE:
    case GL_PROXY_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
       img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
       img->HeightLog2 = _mesa_logbase2(img->Height2);
       if (depth == 0)
@@ -1246,6 +1296,8 @@ _mesa_init_teximage_fields(struct gl_context *ctx,
    case GL_PROXY_TEXTURE_2D_ARRAY:
    case GL_TEXTURE_CUBE_MAP_ARRAY:
    case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
       img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
       img->HeightLog2 = _mesa_logbase2(img->Height2);
       img->Depth2 = depth; /* no border */
@@ -1317,6 +1369,8 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, 
GLenum target,
 
    case GL_TEXTURE_2D:
    case GL_PROXY_TEXTURE_2D:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
       maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
@@ -1399,6 +1453,8 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, 
GLenum target,
 
    case GL_TEXTURE_2D_ARRAY_EXT:
    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
       maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index e99b0dc..adcbf95 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -109,7 +109,9 @@ _mesa_initialize_texture_object( struct gl_texture_object 
*obj,
           target == GL_TEXTURE_2D_ARRAY_EXT ||
           target == GL_TEXTURE_EXTERNAL_OES ||
           target == GL_TEXTURE_CUBE_MAP_ARRAY ||
-          target == GL_TEXTURE_BUFFER);
+          target == GL_TEXTURE_BUFFER ||
+          target == GL_TEXTURE_2D_MULTISAMPLE ||
+          target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
 
    memset(obj, 0, sizeof(*obj));
    /* init the non-zero fields */
@@ -318,6 +320,8 @@ valid_texture_object(const struct gl_texture_object *tex)
    case GL_TEXTURE_BUFFER:
    case GL_TEXTURE_EXTERNAL_OES:
    case GL_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
       return GL_TRUE;
    case 0x99:
       _mesa_problem(NULL, "invalid reference to a deleted texture object");
@@ -517,6 +521,8 @@ _mesa_test_texobj_completeness( const struct gl_context 
*ctx,
    case GL_TEXTURE_RECTANGLE_NV:
    case GL_TEXTURE_BUFFER:
    case GL_TEXTURE_EXTERNAL_OES:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
       maxLevels = 1;  /* no mipmapping */
       break;
    default:
@@ -585,7 +591,9 @@ _mesa_test_texobj_completeness( const struct gl_context 
*ctx,
       height = baseImage->Height2;
       depth = baseImage->Depth2;
 
-      /* Note: this loop will be a no-op for RECT, BUFFER, EXTERNAL textures */
+      /* Note: this loop will be a no-op for RECT, BUFFER, EXTERNAL,
+       * MULTISAMPLE and MULTISAMPLE_ARRAY textures
+       */
       for (i = baseLevel + 1; i < maxLevels; i++) {
          /* Compute the expected size of image at level[i] */
          if (width > 1) {
@@ -763,7 +771,7 @@ _mesa_get_fallback_texture(struct gl_context *ctx, 
gl_texture_index tex)
          dims = 0;
          target = GL_TEXTURE_BUFFER;
          break;
-     case TEXTURE_CUBE_ARRAY_INDEX:
+      case TEXTURE_CUBE_ARRAY_INDEX:
          dims = 3;
          target = GL_TEXTURE_CUBE_MAP_ARRAY;
          break;
@@ -771,6 +779,14 @@ _mesa_get_fallback_texture(struct gl_context *ctx, 
gl_texture_index tex)
          dims = 2;
          target = GL_TEXTURE_EXTERNAL_OES;
          break;
+      case TEXTURE_2D_MULTISAMPLE_INDEX:
+         dims = 2;
+         target = GL_TEXTURE_2D_MULTISAMPLE;
+         break;
+      case TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX:
+         dims = 3;
+         target = GL_TEXTURE_2D_MULTISAMPLE_ARRAY;
+         break;
       default:
          /* no-op */
          return NULL;
@@ -1156,6 +1172,12 @@ target_enum_to_index(struct gl_context *ctx, GLenum 
target)
          ? TEXTURE_EXTERNAL_INDEX : -1;
    case GL_TEXTURE_CUBE_MAP_ARRAY:
       return TEXTURE_CUBE_ARRAY_INDEX;
+   case GL_TEXTURE_2D_MULTISAMPLE:
+      return _mesa_is_desktop_gl(ctx) && 
ctx->Extensions.ARB_texture_multisample
+         ? TEXTURE_2D_MULTISAMPLE_INDEX: -1;
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return _mesa_is_desktop_gl(ctx) && 
ctx->Extensions.ARB_texture_multisample
+         ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX: -1;
    default:
       return -1;
    }
@@ -1494,6 +1516,7 @@ _mesa_InvalidateTexSubImage(GLuint texture, GLint level, 
GLint xoffset,
          break;
       case GL_TEXTURE_2D_ARRAY:
       case GL_TEXTURE_CUBE_MAP_ARRAY:
+      case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
          xBorder = image->Border;
          yBorder = image->Border;
          zBorder = 0;
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index b6afd35..c6b5ee6 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -966,6 +966,9 @@ legal_get_tex_level_parameter_target(struct gl_context 
*ctx, GLenum target)
        * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
        */
       return ctx->API == API_OPENGL_CORE && ctx->Version >= 31;
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return ctx->Extensions.ARB_texture_multisample;
    default:
       return GL_FALSE;
    }
@@ -1105,6 +1108,19 @@ get_tex_level_parameter_image(struct gl_context *ctx,
            *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;
+
       default:
          goto invalid_pname;
    }
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 9e591d3..1bd9f91 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -707,6 +707,8 @@ alloc_proxy_textures( struct gl_context *ctx )
     * values!
     */
    static const GLenum targets[] = {
+      GL_TEXTURE_2D_MULTISAMPLE,
+      GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
       GL_TEXTURE_CUBE_MAP_ARRAY,
       GL_TEXTURE_BUFFER,
       GL_TEXTURE_2D_ARRAY_EXT,
-- 
1.8.1.2

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