mesa/fbobject: Update CubeMapFace when reusing textures
[mesa.git] / src / mesa / main / fbobject.c
index dae9d4ed2ebe54549b62f36ce77a3c8df4b98f29..64c4ab592aa3d603e6904204f3324cd5253c0b5d 100644 (file)
@@ -120,6 +120,27 @@ _mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id)
 }
 
 
+/**
+ * A convenience function for direct state access that throws
+ * GL_INVALID_OPERATION if the renderbuffer doesn't exist.
+ */
+struct gl_renderbuffer *
+_mesa_lookup_renderbuffer_err(struct gl_context *ctx, GLuint id,
+                              const char *func)
+{
+   struct gl_renderbuffer *rb;
+
+   rb = _mesa_lookup_renderbuffer(ctx, id);
+   if (!rb || rb == &DummyRenderbuffer) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(non-existent renderbuffer %u)", func, id);
+      return NULL;
+   }
+
+   return rb;
+}
+
+
 /**
  * Helper routine for getting a gl_framebuffer.
  */
@@ -137,6 +158,27 @@ _mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id)
 }
 
 
+/**
+ * A convenience function for direct state access that throws
+ * GL_INVALID_OPERATION if the framebuffer doesn't exist.
+ */
+struct gl_framebuffer *
+_mesa_lookup_framebuffer_err(struct gl_context *ctx, GLuint id,
+                             const char *func)
+{
+   struct gl_framebuffer *fb;
+
+   fb = _mesa_lookup_framebuffer(ctx, id);
+   if (!fb || fb == &DummyFramebuffer) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(non-existent framebuffer %u)", func, id);
+      return NULL;
+   }
+
+   return fb;
+}
+
+
 /**
  * Mark the given framebuffer as invalid.  This will force the
  * test for framebuffer completeness to be done before the framebuffer
@@ -212,13 +254,13 @@ get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
        */
       i = attachment - GL_COLOR_ATTACHMENT0_EXT;
       if (i >= ctx->Const.MaxColorAttachments
-         || (i > 0 && ctx->API == API_OPENGLES)) {
-        return NULL;
+          || (i > 0 && ctx->API == API_OPENGLES)) {
+         return NULL;
       }
       return &fb->Attachment[BUFFER_COLOR0 + i];
    case GL_DEPTH_STENCIL_ATTACHMENT:
       if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
-        return NULL;
+         return NULL;
       /* fall-through */
    case GL_DEPTH_ATTACHMENT_EXT:
       return &fb->Attachment[BUFFER_DEPTH];
@@ -261,9 +303,21 @@ _mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
 
    switch (attachment) {
    case GL_FRONT_LEFT:
-      return &fb->Attachment[BUFFER_FRONT_LEFT];
+      /* Front buffers can be allocated on the first use, but
+       * glGetFramebufferAttachmentParameteriv must work even if that
+       * allocation hasn't happened yet. In such case, use the back buffer,
+       * which should be the same.
+       */
+      if (fb->Attachment[BUFFER_FRONT_LEFT].Type == GL_NONE)
+         return &fb->Attachment[BUFFER_BACK_LEFT];
+      else
+         return &fb->Attachment[BUFFER_FRONT_LEFT];
    case GL_FRONT_RIGHT:
-      return &fb->Attachment[BUFFER_FRONT_RIGHT];
+      /* Same as above. */
+      if (fb->Attachment[BUFFER_FRONT_RIGHT].Type == GL_NONE)
+         return &fb->Attachment[BUFFER_BACK_RIGHT];
+      else
+         return &fb->Attachment[BUFFER_FRONT_RIGHT];
    case GL_BACK_LEFT:
       return &fb->Attachment[BUFFER_BACK_LEFT];
    case GL_BACK_RIGHT:
@@ -324,14 +378,14 @@ remove_attachment(struct gl_context *ctx,
       ctx->Driver.FinishRenderTexture(ctx, rb);
 
    if (att->Type == GL_TEXTURE) {
-      ASSERT(att->Texture);
+      assert(att->Texture);
       _mesa_reference_texobj(&att->Texture, NULL); /* unbind */
-      ASSERT(!att->Texture);
+      assert(!att->Texture);
    }
    if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
-      ASSERT(!att->Texture);
+      assert(!att->Texture);
       _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
-      ASSERT(!att->Renderbuffer);
+      assert(!att->Renderbuffer);
    }
    att->Type = GL_NONE;
    att->Complete = GL_TRUE;
@@ -347,7 +401,8 @@ driver_RenderTexture_is_safe(const struct gl_renderbuffer_attachment *att)
    const struct gl_texture_image *const texImage =
       att->Texture->Image[att->CubeMapFace][att->TextureLevel];
 
-   if (texImage->Width == 0 || texImage->Height == 0 || texImage->Depth == 0)
+   if (!texImage ||
+       texImage->Width == 0 || texImage->Height == 0 || texImage->Depth == 0)
       return false;
 
    if ((texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY
@@ -423,7 +478,7 @@ set_texture_attachment(struct gl_context *ctx,
                        struct gl_framebuffer *fb,
                        struct gl_renderbuffer_attachment *att,
                        struct gl_texture_object *texObj,
-                       GLenum texTarget, GLuint level, GLuint zoffset,
+                       GLenum texTarget, GLuint level, GLuint layer,
                        GLboolean layered)
 {
    struct gl_renderbuffer *rb = att->Renderbuffer;
@@ -433,7 +488,7 @@ set_texture_attachment(struct gl_context *ctx,
 
    if (att->Texture == texObj) {
       /* re-attaching same texture */
-      ASSERT(att->Type == GL_TEXTURE);
+      assert(att->Type == GL_TEXTURE);
    }
    else {
       /* new attachment */
@@ -447,7 +502,7 @@ set_texture_attachment(struct gl_context *ctx,
    /* always update these fields */
    att->TextureLevel = level;
    att->CubeMapFace = _mesa_tex_target_to_face(texTarget);
-   att->Zoffset = zoffset;
+   att->Zoffset = layer;
    att->Layered = layered;
    att->Complete = GL_FALSE;
 
@@ -479,16 +534,17 @@ set_renderbuffer_attachment(struct gl_context *ctx,
  * Attach a renderbuffer object to a framebuffer object.
  */
 void
-_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
-                               struct gl_framebuffer *fb,
-                               GLenum attachment, struct gl_renderbuffer *rb)
+_mesa_FramebufferRenderbuffer_sw(struct gl_context *ctx,
+                                 struct gl_framebuffer *fb,
+                                 GLenum attachment,
+                                 struct gl_renderbuffer *rb)
 {
    struct gl_renderbuffer_attachment *att;
 
    mtx_lock(&fb->Mutex);
 
    att = get_attachment(ctx, fb, attachment);
-   ASSERT(att);
+   assert(att);
    if (rb) {
       set_renderbuffer_attachment(ctx, att, rb);
       if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
@@ -768,7 +824,7 @@ test_attachment_completeness(const struct gl_context *ctx, GLenum format,
          break;
       }
 
-      baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+      baseFormat = texImage->_BaseFormat;
 
       if (format == GL_COLOR) {
          if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
@@ -781,6 +837,18 @@ test_attachment_completeness(const struct gl_context *ctx, GLenum format,
             att->Complete = GL_FALSE;
             return;
          }
+
+         /* OES_texture_float allows creation and use of floating point
+          * textures with GL_FLOAT, GL_HALF_FLOAT but it does not allow
+          * these textures to be used as a render target, this is done via
+          * GL_EXT_color_buffer(_half)_float with set of new sized types.
+          */
+         if (_mesa_is_gles(ctx) && (texImage->TexObject->_IsFloat ||
+                                    texImage->TexObject->_IsHalfFloat)) {
+            att_incomplete("bad internal format");
+            att->Complete = GL_FALSE;
+            return;
+         }
       }
       else if (format == GL_DEPTH) {
          if (baseFormat == GL_DEPTH_COMPONENT) {
@@ -797,12 +865,14 @@ test_attachment_completeness(const struct gl_context *ctx, GLenum format,
          }
       }
       else {
-         ASSERT(format == GL_STENCIL);
+         assert(format == GL_STENCIL);
          if (ctx->Extensions.ARB_depth_texture &&
              baseFormat == GL_DEPTH_STENCIL) {
             /* OK */
-         }
-         else {
+         } else if (ctx->Extensions.ARB_texture_stencil8 &&
+                    baseFormat == GL_STENCIL_INDEX) {
+            /* OK */
+         } else {
             /* no such thing as stencil-only textures */
             att_incomplete("illegal stencil texture");
             att->Complete = GL_FALSE;
@@ -811,10 +881,9 @@ test_attachment_completeness(const struct gl_context *ctx, GLenum format,
       }
    }
    else if (att->Type == GL_RENDERBUFFER_EXT) {
-      const GLenum baseFormat =
-         _mesa_get_format_base_format(att->Renderbuffer->Format);
+      const GLenum baseFormat = att->Renderbuffer->_BaseFormat;
 
-      ASSERT(att->Renderbuffer);
+      assert(att->Renderbuffer);
       if (!att->Renderbuffer->InternalFormat ||
           att->Renderbuffer->Width < 1 ||
           att->Renderbuffer->Height < 1) {
@@ -856,7 +925,7 @@ test_attachment_completeness(const struct gl_context *ctx, GLenum format,
       }
    }
    else {
-      ASSERT(att->Type == GL_NONE);
+      assert(att->Type == GL_NONE);
       /* complete */
       return;
    }
@@ -900,6 +969,8 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
    fb->Height = 0;
    fb->_AllColorBuffersFixedPoint = GL_TRUE;
    fb->_HasSNormOrFloatColorBuffer = GL_FALSE;
+   fb->_HasAttachments = true;
+   fb->_IntegerBuffers = 0;
 
    /* Start at -2 to more easily loop over all attachment points.
     *  -2: depth buffer
@@ -966,7 +1037,8 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
 
          if (!is_format_color_renderable(ctx, attFormat,
                                          texImg->InternalFormat) &&
-             !is_legal_depth_format(ctx, f)) {
+             !is_legal_depth_format(ctx, f) &&
+             f != GL_STENCIL_INDEX) {
             fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
             fbo_incomplete(ctx, "texture attachment incomplete", -1);
             return;
@@ -1019,13 +1091,14 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
          continue;
       }
 
-      /* check if integer color */
-      fb->_IntegerColor = _mesa_is_format_integer_color(attFormat);
-
-      /* Update _AllColorBuffersFixedPoint and _HasSNormOrFloatColorBuffer. */
+      /* Update flags describing color buffer datatypes */
       if (i >= 0) {
          GLenum type = _mesa_get_format_datatype(attFormat);
 
+         /* check if integer color */
+         if (_mesa_is_format_integer_color(attFormat))
+            fb->_IntegerBuffers |= (1 << i);
+
          fb->_AllColorBuffersFixedPoint =
             fb->_AllColorBuffersFixedPoint &&
             (type == GL_UNSIGNED_NORMALIZED || type == GL_SIGNED_NORMALIZED);
@@ -1097,41 +1170,75 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
       } else if (att_layer_count > max_layer_count) {
          max_layer_count = att_layer_count;
       }
+
+      /*
+       * The extension GL_ARB_framebuffer_no_attachments places additional
+       * requirement on each attachment. Those additional requirements are
+       * tighter that those of previous versions of GL. In interest of better
+       * compatibility, we will not enforce these restrictions. For the record
+       * those additional restrictions are quoted below:
+       *
+       * "The width and height of image are greater than zero and less than or
+       *  equal to the values of the implementation-dependent limits
+       *  MAX_FRAMEBUFFER_WIDTH and MAX_FRAMEBUFFER_HEIGHT, respectively."
+       *
+       * "If <image> is a three-dimensional texture or a one- or two-dimensional
+       *  array texture and the attachment is layered, the depth or layer count
+       *  of the texture is less than or equal to the implementation-dependent
+       *  limit MAX_FRAMEBUFFER_LAYERS."
+       *
+       * "If image has multiple samples, its sample count is less than or equal
+       *  to the value of the implementation-dependent limit
+       *  MAX_FRAMEBUFFER_SAMPLES."
+       *
+       * The same requirements are also in place for GL 4.5,
+       * Section 9.4.1 "Framebuffer Attachment Completeness", pg 310-311
+       */
    }
 
    fb->MaxNumLayers = max_layer_count;
 
    if (numImages == 0) {
-      fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
-      fbo_incomplete(ctx, "no attachments", -1);
-      return;
+      fb->_HasAttachments = false;
+
+      if (!ctx->Extensions.ARB_framebuffer_no_attachments) {
+         fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
+         fbo_incomplete(ctx, "no attachments", -1);
+         return;
+      }
+
+      if (fb->DefaultGeometry.Width == 0 || fb->DefaultGeometry.Height == 0) {
+         fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
+         fbo_incomplete(ctx, "no attachments and default width or height is 0", -1);
+         return;
+      }
    }
 
    if (_mesa_is_desktop_gl(ctx) && !ctx->Extensions.ARB_ES2_compatibility) {
       /* Check that all DrawBuffers are present */
       for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
-        if (fb->ColorDrawBuffer[j] != GL_NONE) {
-           const struct gl_renderbuffer_attachment *att
-              = get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
-           assert(att);
-           if (att->Type == GL_NONE) {
-              fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
-              fbo_incomplete(ctx, "missing drawbuffer", j);
-              return;
-           }
-        }
+         if (fb->ColorDrawBuffer[j] != GL_NONE) {
+            const struct gl_renderbuffer_attachment *att
+               = get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
+            assert(att);
+            if (att->Type == GL_NONE) {
+               fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
+               fbo_incomplete(ctx, "missing drawbuffer", j);
+               return;
+            }
+         }
       }
 
       /* Check that the ReadBuffer is present */
       if (fb->ColorReadBuffer != GL_NONE) {
-        const struct gl_renderbuffer_attachment *att
-           = get_attachment(ctx, fb, fb->ColorReadBuffer);
-        assert(att);
-        if (att->Type == GL_NONE) {
-           fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
+         const struct gl_renderbuffer_attachment *att
+            = get_attachment(ctx, fb, fb->ColorReadBuffer);
+         assert(att);
+         if (att->Type == GL_NONE) {
+            fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
             fbo_incomplete(ctx, "missing readbuffer", -1);
-           return;
-        }
+            return;
+         }
       }
    }
 
@@ -1160,21 +1267,22 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
       ctx->Driver.ValidateFramebuffer(ctx, fb);
       if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
          fbo_incomplete(ctx, "driver marked FBO as incomplete", -1);
+         return;
       }
    }
 
-   if (fb->_Status == GL_FRAMEBUFFER_COMPLETE_EXT) {
-      /*
-       * Note that if ARB_framebuffer_object is supported and the attached
-       * renderbuffers/textures are different sizes, the framebuffer
-       * width/height will be set to the smallest width/height.
-       */
+   /*
+    * Note that if ARB_framebuffer_object is supported and the attached
+    * renderbuffers/textures are different sizes, the framebuffer
+    * width/height will be set to the smallest width/height.
+    */
+   if (numImages != 0) {
       fb->Width = minWidth;
       fb->Height = minHeight;
-
-      /* finally, update the visual info for the framebuffer */
-      _mesa_update_framebuffer_visual(ctx, fb);
    }
+
+   /* finally, update the visual info for the framebuffer */
+   _mesa_update_framebuffer_visual(ctx, fb);
 }
 
 
@@ -1193,6 +1301,26 @@ _mesa_IsRenderbuffer(GLuint renderbuffer)
 }
 
 
+static struct gl_renderbuffer *
+allocate_renderbuffer_locked(struct gl_context *ctx, GLuint renderbuffer,
+                             const char *func)
+{
+   struct gl_renderbuffer *newRb;
+
+   /* create new renderbuffer object */
+   newRb = ctx->Driver.NewRenderbuffer(ctx, renderbuffer);
+   if (!newRb) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
+      return NULL;
+   }
+   assert(newRb->AllocStorage);
+   _mesa_HashInsertLocked(ctx->Shared->RenderBuffers, renderbuffer, newRb);
+   newRb->RefCount = 1; /* referenced by hash table */
+
+   return newRb;
+}
+
+
 static void
 bind_renderbuffer(GLenum target, GLuint renderbuffer, bool allow_user_names)
 {
@@ -1221,22 +1349,17 @@ bind_renderbuffer(GLenum target, GLuint renderbuffer, bool allow_user_names)
       }
 
       if (!newRb) {
-        /* create new renderbuffer object */
-        newRb = ctx->Driver.NewRenderbuffer(ctx, renderbuffer);
-        if (!newRb) {
-           _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindRenderbufferEXT");
-           return;
-        }
-         ASSERT(newRb->AllocStorage);
-         _mesa_HashInsert(ctx->Shared->RenderBuffers, renderbuffer, newRb);
-         newRb->RefCount = 1; /* referenced by hash table */
+         _mesa_HashLockMutex(ctx->Shared->RenderBuffers);
+         newRb = allocate_renderbuffer_locked(ctx, renderbuffer,
+                                              "glBindRenderbufferEXT");
+         _mesa_HashUnlockMutex(ctx->Shared->RenderBuffers);
       }
    }
    else {
       newRb = NULL;
    }
 
-   ASSERT(newRb != &DummyRenderbuffer);
+   assert(newRb != &DummyRenderbuffer);
 
    _mesa_reference_renderbuffer(&ctx->CurrentRenderbuffer, newRb);
 }
@@ -1262,6 +1385,155 @@ _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
    bind_renderbuffer(target, renderbuffer, true);
 }
 
+/**
+ * ARB_framebuffer_no_attachment - Application passes requested param's
+ * here. NOTE: NumSamples requested need not be _NumSamples which is
+ * what the hw supports.
+ */
+static void
+framebuffer_parameteri(struct gl_context *ctx, struct gl_framebuffer *fb,
+                       GLenum pname, GLint param, const char *func)
+{
+   switch (pname) {
+   case GL_FRAMEBUFFER_DEFAULT_WIDTH:
+      if (param < 0 || param > ctx->Const.MaxFramebufferWidth)
+        _mesa_error(ctx, GL_INVALID_VALUE, "%s", func);
+      else
+         fb->DefaultGeometry.Width = param;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
+      if (param < 0 || param > ctx->Const.MaxFramebufferHeight)
+        _mesa_error(ctx, GL_INVALID_VALUE, "%s", func);
+      else
+         fb->DefaultGeometry.Height = param;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_LAYERS:
+     /*
+      * According to the OpenGL ES 3.1 specification section 9.2.1, the
+      * GL_FRAMEBUFFER_DEFAULT_LAYERS parameter name is not supported.
+      */
+      if (_mesa_is_gles31(ctx) && !ctx->Extensions.OES_geometry_shader) {
+         _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", func, pname);
+         break;
+      }
+      if (param < 0 || param > ctx->Const.MaxFramebufferLayers)
+         _mesa_error(ctx, GL_INVALID_VALUE, "%s", func);
+      else
+         fb->DefaultGeometry.Layers = param;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
+      if (param < 0 || param > ctx->Const.MaxFramebufferSamples)
+        _mesa_error(ctx, GL_INVALID_VALUE, "%s", func);
+      else
+        fb->DefaultGeometry.NumSamples = param;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
+      fb->DefaultGeometry.FixedSampleLocations = param;
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "%s(pname=0x%x)", func, pname);
+   }
+
+   invalidate_framebuffer(fb);
+   ctx->NewState |= _NEW_BUFFERS;
+}
+
+void GLAPIENTRY
+_mesa_FramebufferParameteri(GLenum target, GLenum pname, GLint param)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+
+   if (!ctx->Extensions.ARB_framebuffer_no_attachments) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glFramebufferParameteriv not supported "
+                  "(ARB_framebuffer_no_attachments not implemented)");
+      return;
+   }
+
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glFramebufferParameteri(target=0x%x)", target);
+      return;
+   }
+
+   /* check framebuffer binding */
+   if (_mesa_is_winsys_fbo(fb)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glFramebufferParameteri");
+      return;
+   }
+
+   framebuffer_parameteri(ctx, fb, pname, param, "glFramebufferParameteri");
+}
+
+static void
+get_framebuffer_parameteriv(struct gl_context *ctx, struct gl_framebuffer *fb,
+                            GLenum pname, GLint *params, const char *func)
+{
+   switch (pname) {
+   case GL_FRAMEBUFFER_DEFAULT_WIDTH:
+      *params = fb->DefaultGeometry.Width;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
+      *params = fb->DefaultGeometry.Height;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_LAYERS:
+      /*
+       * According to the OpenGL ES 3.1 specification section 9.2.3, the
+       * GL_FRAMEBUFFER_LAYERS parameter name is not supported.
+       */
+      if (_mesa_is_gles31(ctx) && !ctx->Extensions.OES_geometry_shader) {
+         _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", func, pname);
+         break;
+      }
+      *params = fb->DefaultGeometry.Layers;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
+      *params = fb->DefaultGeometry.NumSamples;
+      break;
+   case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
+      *params = fb->DefaultGeometry.FixedSampleLocations;
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "%s(pname=0x%x)", func, pname);
+   }
+}
+
+void GLAPIENTRY
+_mesa_GetFramebufferParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+
+   if (!ctx->Extensions.ARB_framebuffer_no_attachments) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glGetFramebufferParameteriv not supported "
+                  "(ARB_framebuffer_no_attachments not implemented)");
+      return;
+   }
+
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetFramebufferParameteriv(target=0x%x)", target);
+      return;
+   }
+
+   /* check framebuffer binding */
+   if (_mesa_is_winsys_fbo(fb)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glGetFramebufferParameteriv");
+      return;
+   }
+
+   get_framebuffer_parameteriv(ctx, fb, pname, params,
+                               "glGetFramebufferParameteriv");
+}
+
 
 /**
  * Remove the specified renderbuffer or texture from any attachment point in
@@ -1321,13 +1593,13 @@ _mesa_DeleteRenderbuffers(GLsizei n, const GLuint *renderbuffers)
 
    for (i = 0; i < n; i++) {
       if (renderbuffers[i] > 0) {
-        struct gl_renderbuffer *rb;
-        rb = _mesa_lookup_renderbuffer(ctx, renderbuffers[i]);
-        if (rb) {
+         struct gl_renderbuffer *rb;
+         rb = _mesa_lookup_renderbuffer(ctx, renderbuffers[i]);
+         if (rb) {
             /* check if deleting currently bound renderbuffer object */
             if (rb == ctx->CurrentRenderbuffer) {
                /* bind default */
-               ASSERT(rb->RefCount >= 2);
+               assert(rb->RefCount >= 2);
                _mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, 0);
             }
 
@@ -1356,47 +1628,71 @@ _mesa_DeleteRenderbuffers(GLsizei n, const GLuint *renderbuffers)
                _mesa_detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
             }
 
-           /* Remove from hash table immediately, to free the ID.
+            /* Remove from hash table immediately, to free the ID.
              * But the object will not be freed until it's no longer
              * referenced anywhere else.
              */
-           _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
+            _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
 
             if (rb != &DummyRenderbuffer) {
                /* no longer referenced by hash table */
                _mesa_reference_renderbuffer(&rb, NULL);
-           }
-        }
+            }
+         }
       }
    }
 }
 
-
-void GLAPIENTRY
-_mesa_GenRenderbuffers(GLsizei n, GLuint *renderbuffers)
+static void
+create_render_buffers(struct gl_context *ctx, GLsizei n, GLuint *renderbuffers,
+                      bool dsa)
 {
-   GET_CURRENT_CONTEXT(ctx);
+   const char *func = dsa ? "glCreateRenderbuffers" : "glGenRenderbuffers";
    GLuint first;
    GLint i;
 
    if (n < 0) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(n<0)", func);
       return;
    }
 
    if (!renderbuffers)
       return;
 
+   _mesa_HashLockMutex(ctx->Shared->RenderBuffers);
+
    first = _mesa_HashFindFreeKeyBlock(ctx->Shared->RenderBuffers, n);
 
    for (i = 0; i < n; i++) {
       GLuint name = first + i;
       renderbuffers[i] = name;
-      /* insert dummy placeholder into hash table */
-      mtx_lock(&ctx->Shared->Mutex);
-      _mesa_HashInsert(ctx->Shared->RenderBuffers, name, &DummyRenderbuffer);
-      mtx_unlock(&ctx->Shared->Mutex);
+
+      if (dsa) {
+         allocate_renderbuffer_locked(ctx, name, func);
+      } else {
+         /* insert a dummy renderbuffer into the hash table */
+         _mesa_HashInsertLocked(ctx->Shared->RenderBuffers, name,
+                                &DummyRenderbuffer);
+      }
    }
+
+   _mesa_HashUnlockMutex(ctx->Shared->RenderBuffers);
+}
+
+
+void GLAPIENTRY
+_mesa_GenRenderbuffers(GLsizei n, GLuint *renderbuffers)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   create_render_buffers(ctx, n, renderbuffers, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CreateRenderbuffers(GLsizei n, GLuint *renderbuffers)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   create_render_buffers(ctx, n, renderbuffers, true);
 }
 
 
@@ -1735,80 +2031,21 @@ invalidate_rb(GLuint key, void *data, void *userData)
 /** sentinal value, see below */
 #define NO_SAMPLES 1000
 
-
-/**
- * Helper function used by _mesa_RenderbufferStorage() and
- * _mesa_RenderbufferStorageMultisample().
- * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorage().
- */
-static void
-renderbuffer_storage(GLenum target, GLenum internalFormat,
-                     GLsizei width, GLsizei height, GLsizei samples)
+void
+_mesa_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
+                           GLenum internalFormat, GLsizei width,
+                           GLsizei height, GLsizei samples)
 {
-   const char *func = samples == NO_SAMPLES ?
-      "glRenderbufferStorage" : "glRenderbufferStorageMultisample";
-   struct gl_renderbuffer *rb;
-   GLenum baseFormat;
-   GLenum sample_count_error;
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (MESA_VERBOSE & VERBOSE_API) {
-      if (samples == NO_SAMPLES)
-         _mesa_debug(ctx, "%s(%s, %s, %d, %d)\n",
-                     func,
-                     _mesa_lookup_enum_by_nr(target),
-                     _mesa_lookup_enum_by_nr(internalFormat),
-                     width, height);
-      else
-         _mesa_debug(ctx, "%s(%s, %s, %d, %d, %d)\n",
-                     func,
-                     _mesa_lookup_enum_by_nr(target),
-                     _mesa_lookup_enum_by_nr(internalFormat),
-                     width, height, samples);
-   }
-
-   if (target != GL_RENDERBUFFER_EXT) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
-      return;
-   }
-
-   baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
-   if (baseFormat == 0) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat=%s)",
-                  func, _mesa_lookup_enum_by_nr(internalFormat));
-      return;
-   }
-
-   if (width < 0 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func);
-      return;
-   }
-
-   if (height < 0 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func);
-      return;
-   }
-
-   if (samples == NO_SAMPLES) {
-      /* NumSamples == 0 indicates non-multisampling */
-      samples = 0;
-   }
-   else {
-      /* check the sample count;
-       * note: driver may choose to use more samples than what's requested
-       */
-      sample_count_error = _mesa_check_sample_count(ctx, target,
-            internalFormat, samples);
-      if (sample_count_error != GL_NO_ERROR) {
-         _mesa_error(ctx, sample_count_error, "%s(samples)", func);
-         return;
-      }
-   }
-
-   rb = ctx->CurrentRenderbuffer;
-   if (!rb) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
-      return;
+   const GLenum baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
+
+   assert(baseFormat != 0);
+   assert(width >= 0 && width <= (GLsizei) ctx->Const.MaxRenderbufferSize);
+   assert(height >= 0 && height <= (GLsizei) ctx->Const.MaxRenderbufferSize);
+   assert(samples != NO_SAMPLES);
+   if (samples != 0) {
+      assert(samples > 0);
+      assert(_mesa_check_sample_count(ctx, GL_RENDERBUFFER,
+                                      internalFormat, samples) == GL_NO_ERROR);
    }
 
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
@@ -1826,7 +2063,7 @@ renderbuffer_storage(GLenum target, GLenum internalFormat,
    rb->NumSamples = samples;
 
    /* Now allocate the storage */
-   ASSERT(rb->AllocStorage);
+   assert(rb->AllocStorage);
    if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
       /* No error - check/set fields now */
       /* If rb->Format == MESA_FORMAT_NONE, the format is unsupported. */
@@ -1852,6 +2089,144 @@ renderbuffer_storage(GLenum target, GLenum internalFormat,
    }
 }
 
+/**
+ * Helper function used by renderbuffer_storage_direct() and
+ * renderbuffer_storage_target().
+ * samples will be NO_SAMPLES if called by a non-multisample function.
+ */
+static void
+renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
+                     GLenum internalFormat, GLsizei width,
+                     GLsizei height, GLsizei samples, const char *func)
+{
+   GLenum baseFormat;
+   GLenum sample_count_error;
+
+   baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
+   if (baseFormat == 0) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat=%s)",
+                  func, _mesa_enum_to_string(internalFormat));
+      return;
+   }
+
+   if (width < 0 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(invalid width %d)", func,
+                  width);
+      return;
+   }
+
+   if (height < 0 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(invalid height %d)", func,
+                  height);
+      return;
+   }
+
+   if (samples == NO_SAMPLES) {
+      /* NumSamples == 0 indicates non-multisampling */
+      samples = 0;
+   }
+   else {
+      /* check the sample count;
+       * note: driver may choose to use more samples than what's requested
+       */
+      sample_count_error = _mesa_check_sample_count(ctx, GL_RENDERBUFFER,
+            internalFormat, samples);
+
+      /* Section 2.5 (GL Errors) of OpenGL 3.0 specification, page 16:
+       *
+       * "If a negative number is provided where an argument of type sizei or
+       * sizeiptr is specified, the error INVALID VALUE is generated."
+       */
+      if (samples < 0) {
+         sample_count_error = GL_INVALID_VALUE;
+      }
+
+      if (sample_count_error != GL_NO_ERROR) {
+         _mesa_error(ctx, sample_count_error, "%s(samples=%d)", func, samples);
+         return;
+      }
+   }
+
+   _mesa_renderbuffer_storage(ctx, rb, internalFormat, width, height, samples);
+}
+
+/**
+ * Helper function used by _mesa_NamedRenderbufferStorage*().
+ * samples will be NO_SAMPLES if called by a non-multisample function.
+ */
+static void
+renderbuffer_storage_named(GLuint renderbuffer, GLenum internalFormat,
+                           GLsizei width, GLsizei height, GLsizei samples,
+                           const char *func)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (MESA_VERBOSE & VERBOSE_API) {
+      if (samples == NO_SAMPLES)
+         _mesa_debug(ctx, "%s(%u, %s, %d, %d)\n",
+                     func, renderbuffer,
+                     _mesa_enum_to_string(internalFormat),
+                     width, height);
+      else
+         _mesa_debug(ctx, "%s(%u, %s, %d, %d, %d)\n",
+                     func, renderbuffer,
+                     _mesa_enum_to_string(internalFormat),
+                     width, height, samples);
+   }
+
+   struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+   if (!rb || rb == &DummyRenderbuffer) {
+      /* ID was reserved, but no real renderbuffer object made yet */
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid renderbuffer %u)",
+                  func, renderbuffer);
+      return;
+   }
+
+   renderbuffer_storage(ctx, rb, internalFormat, width, height, samples, func);
+}
+
+/**
+ * Helper function used by _mesa_RenderbufferStorage() and
+ * _mesa_RenderbufferStorageMultisample().
+ * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorage().
+ */
+static void
+renderbuffer_storage_target(GLenum target, GLenum internalFormat,
+                            GLsizei width, GLsizei height, GLsizei samples,
+                            const char *func)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (MESA_VERBOSE & VERBOSE_API) {
+      if (samples == NO_SAMPLES)
+         _mesa_debug(ctx, "%s(%s, %s, %d, %d)\n",
+                     func,
+                     _mesa_enum_to_string(target),
+                     _mesa_enum_to_string(internalFormat),
+                     width, height);
+      else
+         _mesa_debug(ctx, "%s(%s, %s, %d, %d, %d)\n",
+                     func,
+                     _mesa_enum_to_string(target),
+                     _mesa_enum_to_string(internalFormat),
+                     width, height, samples);
+   }
+
+   if (target != GL_RENDERBUFFER_EXT) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
+      return;
+   }
+
+   if (!ctx->CurrentRenderbuffer) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(no renderbuffer bound)",
+                  func);
+      return;
+   }
+
+   renderbuffer_storage(ctx, ctx->CurrentRenderbuffer, internalFormat, width,
+                        height, samples, func);
+}
+
 
 void GLAPIENTRY
 _mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
@@ -1911,7 +2286,8 @@ _mesa_RenderbufferStorage(GLenum target, GLenum internalFormat,
     * glRenderbufferStorageMultisample() with samples=0.  We pass in
     * a token value here just for error reporting purposes.
     */
-   renderbuffer_storage(target, internalFormat, width, height, NO_SAMPLES);
+   renderbuffer_storage_target(target, internalFormat, width, height,
+                               NO_SAMPLES, "glRenderbufferStorage");
 }
 
 
@@ -1920,7 +2296,8 @@ _mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
                                      GLenum internalFormat,
                                      GLsizei width, GLsizei height)
 {
-   renderbuffer_storage(target, internalFormat, width, height, samples);
+   renderbuffer_storage_target(target, internalFormat, width, height,
+                               samples, "glRenderbufferStorageMultisample");
 }
 
 
@@ -1929,7 +2306,7 @@ _mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
  */
 void GLAPIENTRY
 _es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
-                          GLsizei width, GLsizei height)
+                           GLsizei width, GLsizei height)
 {
    switch (internalFormat) {
    case GL_RGB565:
@@ -1941,29 +2318,38 @@ _es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
       break;
    }
 
-   renderbuffer_storage(target, internalFormat, width, height, 0);
+   renderbuffer_storage_target(target, internalFormat, width, height, 0,
+                               "glRenderbufferStorageEXT");
 }
 
-
 void GLAPIENTRY
-_mesa_GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint *params)
+_mesa_NamedRenderbufferStorage(GLuint renderbuffer, GLenum internalformat,
+                               GLsizei width, GLsizei height)
 {
-   struct gl_renderbuffer *rb;
-   GET_CURRENT_CONTEXT(ctx);
+   /* GL_ARB_fbo says calling this function is equivalent to calling
+    * glRenderbufferStorageMultisample() with samples=0.  We pass in
+    * a token value here just for error reporting purposes.
+    */
+   renderbuffer_storage_named(renderbuffer, internalformat, width, height,
+                              NO_SAMPLES, "glNamedRenderbufferStorage");
+}
 
-   if (target != GL_RENDERBUFFER_EXT) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glGetRenderbufferParameterivEXT(target)");
-      return;
-   }
+void GLAPIENTRY
+_mesa_NamedRenderbufferStorageMultisample(GLuint renderbuffer, GLsizei samples,
+                                          GLenum internalformat,
+                                          GLsizei width, GLsizei height)
+{
+   renderbuffer_storage_named(renderbuffer, internalformat, width, height,
+                              samples,
+                              "glNamedRenderbufferStorageMultisample");
+}
 
-   rb = ctx->CurrentRenderbuffer;
-   if (!rb) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glGetRenderbufferParameterivEXT");
-      return;
-   }
 
+static void
+get_render_buffer_parameteriv(struct gl_context *ctx,
+                              struct gl_renderbuffer *rb, GLenum pname,
+                              GLint *params, const char *func)
+{
    /* No need to flush here since we're just quering state which is
     * not effected by rendering.
     */
@@ -1994,10 +2380,51 @@ _mesa_GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint *params)
       }
       /* fallthrough */
    default:
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid pname=%s)", func,
+                  _mesa_enum_to_string(pname));
+      return;
+   }
+}
+
+
+void GLAPIENTRY
+_mesa_GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (target != GL_RENDERBUFFER_EXT) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glGetRenderbufferParameterivEXT(target)");
       return;
    }
+
+   if (!ctx->CurrentRenderbuffer) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetRenderbufferParameterivEXT"
+                  "(no renderbuffer bound)");
+      return;
+   }
+
+   get_render_buffer_parameteriv(ctx, ctx->CurrentRenderbuffer, pname,
+                                 params, "glGetRenderbufferParameteriv");
+}
+
+
+void GLAPIENTRY
+_mesa_GetNamedRenderbufferParameteriv(GLuint renderbuffer, GLenum pname,
+                                      GLint *params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+   if (!rb || rb == &DummyRenderbuffer) {
+      /* ID was reserved, but no real renderbuffer object made yet */
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetNamedRenderbufferParameteriv"
+                  "(invalid renderbuffer %i)", renderbuffer);
+      return;
+   }
+
+   get_render_buffer_parameteriv(ctx, rb, pname, params,
+                                 "glGetNamedRenderbufferParameteriv");
 }
 
 
@@ -2024,7 +2451,7 @@ static void
 check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
 {
    GLuint i;
-   ASSERT(ctx->Driver.RenderTexture);
+   assert(ctx->Driver.RenderTexture);
 
    if (_mesa_is_winsys_fbo(fb))
       return; /* can't render to texture with winsys framebuffers */
@@ -2068,7 +2495,6 @@ static void
 bind_framebuffer(GLenum target, GLuint framebuffer, bool allow_user_names)
 {
    struct gl_framebuffer *newDrawFb, *newReadFb;
-   struct gl_framebuffer *oldDrawFb, *oldReadFb;
    GLboolean bindReadBuf, bindDrawBuf;
    GET_CURRENT_CONTEXT(ctx);
 
@@ -2104,12 +2530,12 @@ bind_framebuffer(GLenum target, GLuint framebuffer, bool allow_user_names)
       }
 
       if (!newDrawFb) {
-        /* create new framebuffer object */
-        newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
-        if (!newDrawFb) {
-           _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
-           return;
-        }
+         /* create new framebuffer object */
+         newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
+         if (!newDrawFb) {
+            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
+            return;
+         }
          _mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newDrawFb);
       }
       newReadFb = newDrawFb;
@@ -2122,18 +2548,23 @@ bind_framebuffer(GLenum target, GLuint framebuffer, bool allow_user_names)
       newReadFb = ctx->WinSysReadBuffer;
    }
 
-   ASSERT(newDrawFb);
-   ASSERT(newDrawFb != &DummyFramebuffer);
+   _mesa_bind_framebuffers(ctx,
+                           bindDrawBuf ? newDrawFb : ctx->DrawBuffer,
+                           bindReadBuf ? newReadFb : ctx->ReadBuffer);
+}
 
-   /* save pointers to current/old framebuffers */
-   oldDrawFb = ctx->DrawBuffer;
-   oldReadFb = ctx->ReadBuffer;
+void
+_mesa_bind_framebuffers(struct gl_context *ctx,
+                        struct gl_framebuffer *newDrawFb,
+                        struct gl_framebuffer *newReadFb)
+{
+   struct gl_framebuffer *const oldDrawFb = ctx->DrawBuffer;
+   struct gl_framebuffer *const oldReadFb = ctx->ReadBuffer;
+   const bool bindDrawBuf = oldDrawFb != newDrawFb;
+   const bool bindReadBuf = oldReadFb != newReadFb;
 
-   /* check if really changing bindings */
-   if (oldDrawFb == newDrawFb)
-      bindDrawBuf = GL_FALSE;
-   if (oldReadFb == newReadFb)
-      bindReadBuf = GL_FALSE;
+   assert(newDrawFb);
+   assert(newDrawFb != &DummyFramebuffer);
 
    /*
     * OK, now bind the new Draw/Read framebuffers, if they're changing.
@@ -2170,7 +2601,12 @@ bind_framebuffer(GLenum target, GLuint framebuffer, bool allow_user_names)
    }
 
    if ((bindDrawBuf || bindReadBuf) && ctx->Driver.BindFramebuffer) {
-      ctx->Driver.BindFramebuffer(ctx, target, newDrawFb, newReadFb);
+      /* The few classic drivers that actually hook this function really only
+       * want to know if the draw framebuffer changed.
+       */
+      ctx->Driver.BindFramebuffer(ctx,
+                                  bindDrawBuf ? GL_FRAMEBUFFER : GL_READ_FRAMEBUFFER,
+                                  newDrawFb, newReadFb);
    }
 }
 
@@ -2212,83 +2648,106 @@ _mesa_DeleteFramebuffers(GLsizei n, const GLuint *framebuffers)
 
    for (i = 0; i < n; i++) {
       if (framebuffers[i] > 0) {
-        struct gl_framebuffer *fb;
-        fb = _mesa_lookup_framebuffer(ctx, framebuffers[i]);
-        if (fb) {
-            ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
+         struct gl_framebuffer *fb;
+         fb = _mesa_lookup_framebuffer(ctx, framebuffers[i]);
+         if (fb) {
+            assert(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
 
             /* check if deleting currently bound framebuffer object */
             if (fb == ctx->DrawBuffer) {
                /* bind default */
-               ASSERT(fb->RefCount >= 2);
+               assert(fb->RefCount >= 2);
                _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
             }
             if (fb == ctx->ReadBuffer) {
                /* bind default */
-               ASSERT(fb->RefCount >= 2);
+               assert(fb->RefCount >= 2);
                _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, 0);
             }
 
-           /* remove from hash table immediately, to free the ID */
-           _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
+            /* remove from hash table immediately, to free the ID */
+            _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
 
             if (fb != &DummyFramebuffer) {
                /* But the object will not be freed until it's no longer
                 * bound in any context.
                 */
                _mesa_reference_framebuffer(&fb, NULL);
-           }
-        }
+            }
+         }
       }
    }
 }
 
 
-void GLAPIENTRY
-_mesa_GenFramebuffers(GLsizei n, GLuint *framebuffers)
+/**
+ * This is the implementation for glGenFramebuffers and glCreateFramebuffers.
+ * It is not exposed to the rest of Mesa to encourage the use of
+ * nameless buffers in driver internals.
+ */
+static void
+create_framebuffers(GLsizei n, GLuint *framebuffers, bool dsa)
 {
    GET_CURRENT_CONTEXT(ctx);
    GLuint first;
    GLint i;
+   struct gl_framebuffer *fb;
+
+   const char *func = dsa ? "glCreateFramebuffers" : "glGenFramebuffers";
 
    if (n < 0) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(n < 0)", func);
       return;
    }
 
    if (!framebuffers)
       return;
 
+   _mesa_HashLockMutex(ctx->Shared->FrameBuffers);
+
    first = _mesa_HashFindFreeKeyBlock(ctx->Shared->FrameBuffers, n);
 
    for (i = 0; i < n; i++) {
       GLuint name = first + i;
       framebuffers[i] = name;
-      /* insert dummy placeholder into hash table */
-      mtx_lock(&ctx->Shared->Mutex);
-      _mesa_HashInsert(ctx->Shared->FrameBuffers, name, &DummyFramebuffer);
-      mtx_unlock(&ctx->Shared->Mutex);
+
+      if (dsa) {
+         fb = ctx->Driver.NewFramebuffer(ctx, framebuffers[i]);
+         if (!fb) {
+            _mesa_HashUnlockMutex(ctx->Shared->FrameBuffers);
+            _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
+            return;
+         }
+      }
+      else
+         fb = &DummyFramebuffer;
+
+      _mesa_HashInsertLocked(ctx->Shared->FrameBuffers, name, fb);
    }
+
+   _mesa_HashUnlockMutex(ctx->Shared->FrameBuffers);
 }
 
 
-GLenum GLAPIENTRY
-_mesa_CheckFramebufferStatus(GLenum target)
+void GLAPIENTRY
+_mesa_GenFramebuffers(GLsizei n, GLuint *framebuffers)
 {
-   struct gl_framebuffer *buffer;
-   GET_CURRENT_CONTEXT(ctx);
+   create_framebuffers(n, framebuffers, false);
+}
 
-   ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
 
-   if (MESA_VERBOSE & VERBOSE_API)
-      _mesa_debug(ctx, "glCheckFramebufferStatus(%s)\n",
-                  _mesa_lookup_enum_by_nr(target));
+void GLAPIENTRY
+_mesa_CreateFramebuffers(GLsizei n, GLuint *framebuffers)
+{
+   create_framebuffers(n, framebuffers, true);
+}
 
-   buffer = get_framebuffer_target(ctx, target);
-   if (!buffer) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
-      return 0;
-   }
+
+GLenum
+_mesa_check_framebuffer_status(struct gl_context *ctx,
+                               struct gl_framebuffer *buffer)
+{
+   ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
 
    if (_mesa_is_winsys_fbo(buffer)) {
       /* EGL_KHR_surfaceless_context allows the winsys FBO to be incomplete. */
@@ -2309,6 +2768,67 @@ _mesa_CheckFramebufferStatus(GLenum target)
 }
 
 
+GLenum GLAPIENTRY
+_mesa_CheckFramebufferStatus(GLenum target)
+{
+   struct gl_framebuffer *fb;
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (MESA_VERBOSE & VERBOSE_API)
+      _mesa_debug(ctx, "glCheckFramebufferStatus(%s)\n",
+                  _mesa_enum_to_string(target));
+
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glCheckFramebufferStatus(invalid target %s)",
+                  _mesa_enum_to_string(target));
+      return 0;
+   }
+
+   return _mesa_check_framebuffer_status(ctx, fb);
+}
+
+
+GLenum GLAPIENTRY
+_mesa_CheckNamedFramebufferStatus(GLuint framebuffer, GLenum target)
+{
+   struct gl_framebuffer *fb;
+   GET_CURRENT_CONTEXT(ctx);
+
+   /* Validate the target (for conformance's sake) and grab a reference to the
+    * default framebuffer in case framebuffer = 0.
+    * Section 9.4 Framebuffer Completeness of the OpenGL 4.5 core spec
+    * (30.10.2014, PDF page 336) says:
+    *    "If framebuffer is zero, then the status of the default read or
+    *    draw framebuffer (as determined by target) is returned."
+    */
+   switch (target) {
+      case GL_DRAW_FRAMEBUFFER:
+      case GL_FRAMEBUFFER:
+         fb = ctx->WinSysDrawBuffer;
+         break;
+      case GL_READ_FRAMEBUFFER:
+         fb = ctx->WinSysReadBuffer;
+         break;
+      default:
+         _mesa_error(ctx, GL_INVALID_ENUM,
+                     "glCheckNamedFramebufferStatus(invalid target %s)",
+                     _mesa_enum_to_string(target));
+         return 0;
+   }
+
+   if (framebuffer) {
+      fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                        "glCheckNamedFramebufferStatus");
+      if (!fb)
+         return 0;
+   }
+
+   return _mesa_check_framebuffer_status(ctx, fb);
+}
+
+
 /**
  * Replicate the src attachment point. Used by framebuffer_texture() when
  * the same texture is attached at GL_DEPTH_ATTACHMENT and
@@ -2330,149 +2850,311 @@ reuse_framebuffer_texture_attachment(struct gl_framebuffer *fb,
    dst_att->Type = src_att->Type;
    dst_att->Complete = src_att->Complete;
    dst_att->TextureLevel = src_att->TextureLevel;
+   dst_att->CubeMapFace = src_att->CubeMapFace;
    dst_att->Zoffset = src_att->Zoffset;
+   dst_att->Layered = src_att->Layered;
 }
 
 
 /**
- * Common code called by glFramebufferTexture1D/2D/3D() and
- * glFramebufferTextureLayer().
+ * Common code called by gl*FramebufferTexture*() to retrieve the correct
+ * texture object pointer.
  *
- * \param textarget is the textarget that was passed to the
- * glFramebufferTexture...() function, or 0 if the corresponding function
- * doesn't have a textarget parameter.
+ * \param texObj where the pointer to the texture object is returned.  Note
+ * that a successful call may return texObj = NULL.
  *
- * \param layered is true if this function was called from
- * glFramebufferTexture(), false otherwise.
+ * \return true if no errors, false if errors
  */
-static void
-framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
-                    GLenum attachment, GLenum textarget, GLuint texture,
-                    GLint level, GLuint zoffset, GLboolean layered)
+static bool
+get_texture_for_framebuffer(struct gl_context *ctx, GLuint texture,
+                            bool layered, const char *caller,
+                            struct gl_texture_object **texObj)
 {
-   struct gl_renderbuffer_attachment *att;
-   struct gl_texture_object *texObj = NULL;
-   struct gl_framebuffer *fb;
-   GLenum maxLevelsTarget;
+   *texObj = NULL; /* This will get returned if texture = 0. */
 
-   fb = get_framebuffer_target(ctx, target);
-   if (!fb) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glFramebufferTexture%s(target=0x%x)", caller, target);
-      return;
-   }
+   if (!texture)
+      return true;
 
-   /* check framebuffer binding */
-   if (_mesa_is_winsys_fbo(fb)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glFramebufferTexture%s", caller);
-      return;
+   *texObj = _mesa_lookup_texture(ctx, texture);
+   if (*texObj == NULL || (*texObj)->Target == 0) {
+      /* Can't render to a non-existent texture object.
+       *
+       * The OpenGL 4.5 core spec (02.02.2015) in Section 9.2 Binding and
+       * Managing Framebuffer Objects specifies a different error
+       * depending upon the calling function (PDF pages 325-328).
+       * *FramebufferTexture (where layered = GL_TRUE) throws invalid
+       * value, while the other commands throw invalid operation (where
+       * layered = GL_FALSE).
+       */
+      const GLenum error = layered ? GL_INVALID_VALUE :
+                           GL_INVALID_OPERATION;
+      _mesa_error(ctx, error,
+                  "%s(non-existent texture %u)", caller, texture);
+      return false;
    }
 
-   /* The textarget, level, and zoffset parameters are only validated if
-    * texture is non-zero.
-    */
-   if (texture) {
-      GLboolean err = GL_TRUE;
-
-      texObj = _mesa_lookup_texture(ctx, texture);
-      if (texObj != NULL) {
-         if (textarget == 0) {
-            if (layered) {
-               /* We're being called by glFramebufferTexture() and textarget
-                * is not used.
-                */
-               switch (texObj->Target) {
-               case GL_TEXTURE_3D:
-               case GL_TEXTURE_1D_ARRAY_EXT:
-               case GL_TEXTURE_2D_ARRAY_EXT:
-               case GL_TEXTURE_CUBE_MAP:
-               case GL_TEXTURE_CUBE_MAP_ARRAY:
-               case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
-                  err = false;
-                  break;
-               case GL_TEXTURE_1D:
-               case GL_TEXTURE_2D:
-               case GL_TEXTURE_RECTANGLE:
-               case GL_TEXTURE_2D_MULTISAMPLE:
-                  /* These texture types are valid to pass to
-                   * glFramebufferTexture(), but since they aren't layered, it
-                   * is equivalent to calling glFramebufferTexture{1D,2D}().
-                   */
-                  err = false;
-                  layered = false;
-                  textarget = texObj->Target;
-                  break;
-               default:
-                  err = true;
-                  break;
-               }
-            } else {
-               /* We're being called by glFramebufferTextureLayer() and
-                * textarget is not used.  The only legal texture types for
-                * that function are 3D and 1D/2D arrays textures.
-                */
-               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_2D_MULTISAMPLE_ARRAY);
-            }
-         }
-         else {
-            /* Make sure textarget is consistent with the texture's type */
-            err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
-                ? !_mesa_is_cube_face(textarget)
-                : (texObj->Target != textarget);
-         }
-      }
-      else {
-         /* can't render to a non-existant texture */
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glFramebufferTexture%s(non existant texture)",
-                     caller);
-         return;
-      }
+   return true;
+}
 
-      if (err) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glFramebufferTexture%s(texture target mismatch)",
-                     caller);
-         return;
-      }
 
-      if (texObj->Target == GL_TEXTURE_3D) {
-         const GLuint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
-         if (zoffset >= maxSize) {
-            _mesa_error(ctx, GL_INVALID_VALUE,
-                        "glFramebufferTexture%s(zoffset)", caller);
-            return;
-         }
+/**
+ * Common code called by gl*FramebufferTexture() to verify the texture target
+ * and decide whether or not the attachment should truly be considered
+ * layered.
+ *
+ * \param layered true if attachment should be considered layered, false if
+ * not
+ *
+ * \return true if no errors, false if errors
+ */
+static bool
+check_layered_texture_target(struct gl_context *ctx, GLenum target,
+                             const char *caller, GLboolean *layered)
+{
+   *layered = GL_TRUE;
+
+   switch (target) {
+   case GL_TEXTURE_3D:
+   case GL_TEXTURE_1D_ARRAY_EXT:
+   case GL_TEXTURE_2D_ARRAY_EXT:
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return true;
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_RECTANGLE:
+   case GL_TEXTURE_2D_MULTISAMPLE:
+      /* These texture types are valid to pass to
+       * glFramebufferTexture(), but since they aren't layered, it
+       * is equivalent to calling glFramebufferTexture{1D,2D}().
+       */
+      *layered = GL_FALSE;
+      return true;
+   }
+
+   _mesa_error(ctx, GL_INVALID_OPERATION,
+               "%s(invalid texture target %s)", caller,
+               _mesa_enum_to_string(target));
+   return false;
+}
+
+
+/**
+ * Common code called by gl*FramebufferTextureLayer() to verify the texture
+ * target.
+ *
+ * \return true if no errors, false if errors
+ */
+static bool
+check_texture_target(struct gl_context *ctx, GLenum target,
+                     const char *caller)
+{
+   /* We're being called by glFramebufferTextureLayer().
+    * The only legal texture types for that function are 3D,
+    * cube-map, and 1D/2D/cube-map array textures.
+    *
+    * We don't need to check for GL_ARB_texture_cube_map_array because the
+    * application wouldn't have been able to create a texture with a
+    * GL_TEXTURE_CUBE_MAP_ARRAY target if the extension were not enabled.
+    */
+   switch (target) {
+   case GL_TEXTURE_3D:
+   case GL_TEXTURE_1D_ARRAY:
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      return true;
+   case GL_TEXTURE_CUBE_MAP:
+      /* We don't need to check the extension (GL_ARB_direct_state_access) or
+       * GL version (4.5) for GL_TEXTURE_CUBE_MAP because DSA is always
+       * enabled in core profile.  This can be called from
+       * _mesa_FramebufferTextureLayer in compatibility profile (OpenGL 3.0),
+       * so we do have to check the profile.
+       */
+      return ctx->API == API_OPENGL_CORE;
+   }
+
+   _mesa_error(ctx, GL_INVALID_OPERATION,
+               "%s(invalid texture target %s)", caller,
+               _mesa_enum_to_string(target));
+   return false;
+}
+
+
+/**
+ * Common code called by glFramebufferTexture*D() to verify the texture
+ * target.
+ *
+ * \return true if no errors, false if errors
+ */
+static bool
+check_textarget(struct gl_context *ctx, int dims, GLenum target,
+                GLenum textarget, const char *caller)
+{
+   bool err = false;
+
+   switch (textarget) {
+   case GL_TEXTURE_1D:
+      err = dims != 1;
+      break;
+   case GL_TEXTURE_1D_ARRAY:
+      err = dims != 1 || !ctx->Extensions.EXT_texture_array;
+      break;
+   case GL_TEXTURE_2D:
+      err = dims != 2;
+      break;
+   case GL_TEXTURE_2D_ARRAY:
+      err = dims != 2 || !ctx->Extensions.EXT_texture_array ||
+            (_mesa_is_gles(ctx) && ctx->Version < 30);
+      break;
+   case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+      err = dims != 2 ||
+            !ctx->Extensions.ARB_texture_multisample ||
+            (_mesa_is_gles(ctx) && ctx->Version < 31);
+      break;
+   case GL_TEXTURE_RECTANGLE:
+      err = dims != 2 || _mesa_is_gles(ctx) ||
+            !ctx->Extensions.NV_texture_rectangle;
+      break;
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+      err = true;
+      break;
+   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:
+      err = dims != 2 || !ctx->Extensions.ARB_texture_cube_map;
+      break;
+   case GL_TEXTURE_3D:
+      err = dims != 3;
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "%s(unknown textarget 0x%x)", caller, textarget);
+      return false;
+   }
+
+   if (err) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(invalid textarget %s)",
+                  caller, _mesa_enum_to_string(textarget));
+      return false;
+   }
+
+   /* Make sure textarget is consistent with the texture's type */
+   err = (target == GL_TEXTURE_CUBE_MAP) ?
+          !_mesa_is_cube_face(textarget): (target != textarget);
+
+   if (err) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(mismatched texture target)", caller);
+      return false;
+   }
+
+   return true;
+}
+
+
+/**
+ * Common code called by gl*FramebufferTextureLayer() and
+ * glFramebufferTexture3D() to validate the layer.
+ *
+ * \return true if no errors, false if errors
+ */
+static bool
+check_layer(struct gl_context *ctx, GLenum target, GLint layer,
+            const char *caller)
+{
+   /* Page 306 (page 328 of the PDF) of the OpenGL 4.5 (Core Profile)
+    * spec says:
+    *
+    *    "An INVALID_VALUE error is generated if texture is non-zero
+    *     and layer is negative."
+    */
+   if (layer < 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "%s(layer %u < 0)", caller, layer);
+      return false;
+   }
+
+   if (target == GL_TEXTURE_3D) {
+      const GLuint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
+      if (layer >= maxSize) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "%s(invalid layer %u)", caller, layer);
+         return false;
       }
-      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_2D_MULTISAMPLE_ARRAY)) {
-         if (zoffset >= ctx->Const.MaxArrayTextureLayers) {
-            _mesa_error(ctx, GL_INVALID_VALUE,
-                        "glFramebufferTexture%s(layer)", caller);
-            return;
-         }
+   }
+   else if ((target == GL_TEXTURE_1D_ARRAY) ||
+            (target == GL_TEXTURE_2D_ARRAY) ||
+            (target == GL_TEXTURE_CUBE_MAP_ARRAY) ||
+            (target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)) {
+      if (layer >= ctx->Const.MaxArrayTextureLayers) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "%s(layer %u >= GL_MAX_ARRAY_TEXTURE_LAYERS)",
+                     caller, layer);
+         return false;
       }
-
-      maxLevelsTarget = textarget ? textarget : texObj->Target;
-      if ((level < 0) ||
-          (level >= _mesa_max_texture_levels(ctx, maxLevelsTarget))) {
+   }
+   else if (target == GL_TEXTURE_CUBE_MAP) {
+      if (layer >= 6) {
          _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glFramebufferTexture%s(level)", caller);
-         return;
+                     "%s(layer %u >= 6)", caller, layer);
+         return false;
       }
    }
 
+   return true;
+}
+
+
+/**
+ * Common code called by all gl*FramebufferTexture*() entry points to verify
+ * the level.
+ *
+ * \return true if no errors, false if errors
+ */
+static bool
+check_level(struct gl_context *ctx, GLenum target, GLint level,
+            const char *caller)
+{
+   if ((level < 0) ||
+       (level >= _mesa_max_texture_levels(ctx, target))) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "%s(invalid level %d)", caller, level);
+      return false;
+   }
+
+   return true;
+}
+
+
+void
+_mesa_framebuffer_texture(struct gl_context *ctx, struct gl_framebuffer *fb,
+                          GLenum attachment,
+                          struct gl_texture_object *texObj, GLenum textarget,
+                          GLint level, GLuint layer, GLboolean layered,
+                          const char *caller)
+{
+   struct gl_renderbuffer_attachment *att;
+
+   /* The window-system framebuffer object is immutable */
+   if (_mesa_is_winsys_fbo(fb)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(window-system framebuffer)",
+                  caller);
+      return;
+   }
+
+   /* Not a hash lookup, so we can afford to get the attachment here. */
    att = get_attachment(ctx, fb, attachment);
    if (att == NULL) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glFramebufferTexture%s(attachment)", caller);
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", caller,
+                  _mesa_enum_to_string(attachment));
       return;
    }
 
@@ -2485,35 +3167,36 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
           level == fb->Attachment[BUFFER_STENCIL].TextureLevel &&
           _mesa_tex_target_to_face(textarget) ==
           fb->Attachment[BUFFER_STENCIL].CubeMapFace &&
-          zoffset == fb->Attachment[BUFFER_STENCIL].Zoffset) {
-        /* The texture object is already attached to the stencil attachment
-         * point. Don't create a new renderbuffer; just reuse the stencil
-         * attachment's. This is required to prevent a GL error in
-         * glGetFramebufferAttachmentParameteriv(GL_DEPTH_STENCIL).
-         */
-        reuse_framebuffer_texture_attachment(fb, BUFFER_DEPTH,
-                                             BUFFER_STENCIL);
+          layer == fb->Attachment[BUFFER_STENCIL].Zoffset) {
+         /* The texture object is already attached to the stencil attachment
+          * point. Don't create a new renderbuffer; just reuse the stencil
+          * attachment's. This is required to prevent a GL error in
+          * glGetFramebufferAttachmentParameteriv(GL_DEPTH_STENCIL).
+          */
+         reuse_framebuffer_texture_attachment(fb, BUFFER_DEPTH,
+                                              BUFFER_STENCIL);
       } else if (attachment == GL_STENCIL_ATTACHMENT &&
-                texObj == fb->Attachment[BUFFER_DEPTH].Texture &&
+                 texObj == fb->Attachment[BUFFER_DEPTH].Texture &&
                  level == fb->Attachment[BUFFER_DEPTH].TextureLevel &&
                  _mesa_tex_target_to_face(textarget) ==
                  fb->Attachment[BUFFER_DEPTH].CubeMapFace &&
-                 zoffset == fb->Attachment[BUFFER_DEPTH].Zoffset) {
-        /* As above, but with depth and stencil transposed. */
-        reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
-                                             BUFFER_DEPTH);
+                 layer == fb->Attachment[BUFFER_DEPTH].Zoffset) {
+         /* As above, but with depth and stencil transposed. */
+         reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
+                                              BUFFER_DEPTH);
       } else {
-        set_texture_attachment(ctx, fb, att, texObj, textarget,
-                                     level, zoffset, layered);
-        if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
-           /* Above we created a new renderbuffer and attached it to the
-            * depth attachment point. Now attach it to the stencil attachment
-            * point too.
-            */
-           assert(att == &fb->Attachment[BUFFER_DEPTH]);
-           reuse_framebuffer_texture_attachment(fb,BUFFER_STENCIL,
-                                                BUFFER_DEPTH);
-        }
+         set_texture_attachment(ctx, fb, att, texObj, textarget,
+                                level, layer, layered);
+
+         if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+            /* Above we created a new renderbuffer and attached it to the
+             * depth attachment point. Now attach it to the stencil attachment
+             * point too.
+             */
+            assert(att == &fb->Attachment[BUFFER_DEPTH]);
+            reuse_framebuffer_texture_attachment(fb,BUFFER_STENCIL,
+                                                 BUFFER_DEPTH);
+         }
       }
 
       /* Set the render-to-texture flag.  We'll check this flag in
@@ -2529,8 +3212,8 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
    else {
       remove_attachment(ctx, att);
       if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
-        assert(att == &fb->Attachment[BUFFER_DEPTH]);
-        remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
+         assert(att == &fb->Attachment[BUFFER_DEPTH]);
+         remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
       }
    }
 
@@ -2540,116 +3223,157 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
 }
 
 
-void GLAPIENTRY
-_mesa_FramebufferTexture1D(GLenum target, GLenum attachment,
-                           GLenum textarget, GLuint texture, GLint level)
+static void
+framebuffer_texture_with_dims(int dims, GLenum target,
+                              GLenum attachment, GLenum textarget,
+                              GLuint texture, GLint level, GLint layer,
+                              const char *caller)
 {
    GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+   struct gl_texture_object *texObj;
 
-   if (texture != 0) {
-      GLboolean error;
+   /* Get the framebuffer object */
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", caller,
+                  _mesa_enum_to_string(target));
+      return;
+   }
 
-      switch (textarget) {
-      case GL_TEXTURE_1D:
-         error = GL_FALSE;
-         break;
-      case GL_TEXTURE_1D_ARRAY:
-         error = !ctx->Extensions.EXT_texture_array;
-         break;
-      default:
-         error = GL_TRUE;
-      }
+   /* Get the texture object */
+   if (!get_texture_for_framebuffer(ctx, texture, false, caller, &texObj))
+      return;
 
-      if (error) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glFramebufferTexture1D(textarget=%s)",
-                     _mesa_lookup_enum_by_nr(textarget));
+   if (texObj) {
+      if (!check_textarget(ctx, dims, texObj->Target, textarget, caller))
+         return;
+
+      if ((dims == 3) && !check_layer(ctx, texObj->Target, layer, caller))
+         return;
+
+      if (!check_level(ctx, textarget, level, caller))
          return;
-      }
    }
 
-   framebuffer_texture(ctx, "1D", target, attachment, textarget, texture,
-                       level, 0, GL_FALSE);
+   _mesa_framebuffer_texture(ctx, fb, attachment, texObj, textarget, level,
+                             layer, GL_FALSE, caller);
 }
 
 
 void GLAPIENTRY
-_mesa_FramebufferTexture2D(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture1D(GLenum target, GLenum attachment,
                            GLenum textarget, GLuint texture, GLint level)
 {
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (texture != 0) {
-      GLboolean error;
-
-      switch (textarget) {
-      case GL_TEXTURE_2D:
-         error = GL_FALSE;
-         break;
-      case GL_TEXTURE_RECTANGLE:
-         error = _mesa_is_gles(ctx)
-            || !ctx->Extensions.NV_texture_rectangle;
-         break;
-      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:
-         error = !ctx->Extensions.ARB_texture_cube_map;
-         break;
-      case GL_TEXTURE_2D_ARRAY:
-         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;
-      }
+   framebuffer_texture_with_dims(1, target, attachment, textarget, texture,
+                                 level, 0, "glFramebufferTexture1D");
+}
 
-      if (error) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glFramebufferTexture2D(textarget=%s)",
-                     _mesa_lookup_enum_by_nr(textarget));
-         return;
-      }
-   }
 
-   framebuffer_texture(ctx, "2D", target, attachment, textarget, texture,
-                       level, 0, GL_FALSE);
+void GLAPIENTRY
+_mesa_FramebufferTexture2D(GLenum target, GLenum attachment,
+                           GLenum textarget, GLuint texture, GLint level)
+{
+   framebuffer_texture_with_dims(2, target, attachment, textarget, texture,
+                                 level, 0, "glFramebufferTexture2D");
 }
 
 
 void GLAPIENTRY
 _mesa_FramebufferTexture3D(GLenum target, GLenum attachment,
                            GLenum textarget, GLuint texture,
-                           GLint level, GLint zoffset)
+                           GLint level, GLint layer)
+{
+   framebuffer_texture_with_dims(3, target, attachment, textarget, texture,
+                                 level, layer, "glFramebufferTexture3D");
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferTextureLayer(GLenum target, GLenum attachment,
+                              GLuint texture, GLint level, GLint layer)
 {
    GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+   struct gl_texture_object *texObj;
+   GLenum textarget = 0;
 
-   if ((texture != 0) && (textarget != GL_TEXTURE_3D)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glFramebufferTexture3D(textarget)");
+   const char *func = "glFramebufferTextureLayer";
+
+   /* Get the framebuffer object */
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glFramebufferTextureLayer(invalid target %s)",
+                  _mesa_enum_to_string(target));
       return;
    }
 
-   framebuffer_texture(ctx, "3D", target, attachment, textarget, texture,
-                       level, zoffset, GL_FALSE);
+   /* Get the texture object */
+   if (!get_texture_for_framebuffer(ctx, texture, false, func, &texObj))
+      return;
+
+   if (texObj) {
+      if (!check_texture_target(ctx, texObj->Target, func))
+         return;
+
+      if (!check_layer(ctx, texObj->Target, layer, func))
+         return;
+
+      if (!check_level(ctx, texObj->Target, level, func))
+         return;
+
+      if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
+         assert(layer >= 0 && layer < 6);
+         textarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer;
+         layer = 0;
+      }
+   }
+
+   _mesa_framebuffer_texture(ctx, fb, attachment, texObj, textarget, level,
+                             layer, GL_FALSE, func);
 }
 
 
 void GLAPIENTRY
-_mesa_FramebufferTextureLayer(GLenum target, GLenum attachment,
-                              GLuint texture, GLint level, GLint layer)
+_mesa_NamedFramebufferTextureLayer(GLuint framebuffer, GLenum attachment,
+                                   GLuint texture, GLint level, GLint layer)
 {
    GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+   struct gl_texture_object *texObj;
+   GLenum textarget = 0;
+
+   const char *func = "glNamedFramebufferTextureLayer";
+
+   /* Get the framebuffer object */
+   fb = _mesa_lookup_framebuffer_err(ctx, framebuffer, func);
+   if (!fb)
+      return;
+
+   /* Get the texture object */
+   if (!get_texture_for_framebuffer(ctx, texture, false, func, &texObj))
+      return;
+
+   if (texObj) {
+      if (!check_texture_target(ctx, texObj->Target, func))
+         return;
+
+      if (!check_layer(ctx, texObj->Target, layer, func))
+         return;
+
+      if (!check_level(ctx, texObj->Target, level, func))
+         return;
+
+      if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
+         assert(layer >= 0 && layer < 6);
+         textarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer;
+         layer = 0;
+      }
+   }
 
-   framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
-                       level, layer, GL_FALSE);
+   _mesa_framebuffer_texture(ctx, fb, attachment, texObj, textarget, level,
+                             layer, GL_FALSE, func);
 }
 
 
@@ -2658,117 +3382,244 @@ _mesa_FramebufferTexture(GLenum target, GLenum attachment,
                          GLuint texture, GLint level)
 {
    GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+   struct gl_texture_object *texObj;
+   GLboolean layered = GL_FALSE;
 
-   if (_mesa_has_geometry_shaders(ctx)) {
-      framebuffer_texture(ctx, "", target, attachment, 0, texture,
-                          level, 0, GL_TRUE);
-   } else {
+   const char *func = "FramebufferTexture";
+
+   if (!_mesa_has_geometry_shaders(ctx)) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
                   "unsupported function (glFramebufferTexture) called");
+      return;
+   }
+
+   /* Get the framebuffer object */
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glFramebufferTexture(invalid target %s)",
+                  _mesa_enum_to_string(target));
+      return;
+   }
+
+   /* Get the texture object */
+   if (!get_texture_for_framebuffer(ctx, texture, true, func, &texObj))
+      return;
+
+   if (texObj) {
+      if (!check_layered_texture_target(ctx, texObj->Target, func, &layered))
+         return;
+
+      if (!check_level(ctx, texObj->Target, level, func))
+         return;
    }
+
+   _mesa_framebuffer_texture(ctx, fb, attachment, texObj, 0, level,
+                             0, layered, func);
 }
 
 
 void GLAPIENTRY
-_mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
-                              GLenum renderbufferTarget,
-                              GLuint renderbuffer)
+_mesa_NamedFramebufferTexture(GLuint framebuffer, GLenum attachment,
+                              GLuint texture, GLint level)
 {
-   struct gl_renderbuffer_attachment *att;
-   struct gl_framebuffer *fb;
-   struct gl_renderbuffer *rb;
    GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+   struct gl_texture_object *texObj;
+   GLboolean layered = GL_FALSE;
 
-   fb = get_framebuffer_target(ctx, target);
-   if (!fb) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glFramebufferRenderbuffer(target)");
+   const char *func = "glNamedFramebufferTexture";
+
+   if (!_mesa_has_geometry_shaders(ctx)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "unsupported function (glNamedFramebufferTexture) called");
       return;
    }
 
-   if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glFramebufferRenderbuffer(renderbufferTarget)");
+   /* Get the framebuffer object */
+   fb = _mesa_lookup_framebuffer_err(ctx, framebuffer, func);
+   if (!fb)
+      return;
+
+   /* Get the texture object */
+   if (!get_texture_for_framebuffer(ctx, texture, true, func, &texObj))
       return;
+
+   if (texObj) {
+      if (!check_layered_texture_target(ctx, texObj->Target, func,
+                                        &layered))
+         return;
+
+      if (!check_level(ctx, texObj->Target, level, func))
+         return;
    }
 
+   _mesa_framebuffer_texture(ctx, fb, attachment, texObj, 0, level,
+                             0, layered, func);
+}
+
+
+void
+_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
+                               struct gl_framebuffer *fb,
+                               GLenum attachment,
+                               struct gl_renderbuffer *rb)
+{
+   assert(!_mesa_is_winsys_fbo(fb));
+
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+   assert(ctx->Driver.FramebufferRenderbuffer);
+   ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
+
+   /* Some subsequent GL commands may depend on the framebuffer's visual
+    * after the binding is updated.  Update visual info now.
+    */
+   _mesa_update_framebuffer_visual(ctx, fb);
+}
+
+static void
+framebuffer_renderbuffer(struct gl_context *ctx,
+                         struct gl_framebuffer *fb,
+                         GLenum attachment,
+                         struct gl_renderbuffer *rb,
+                         const char *func)
+{
+   struct gl_renderbuffer_attachment *att;
+
    if (_mesa_is_winsys_fbo(fb)) {
       /* Can't attach new renderbuffers to a window system framebuffer */
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbuffer");
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(window-system framebuffer)", func);
       return;
    }
 
    att = get_attachment(ctx, fb, attachment);
    if (att == NULL) {
       _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glFramebufferRenderbuffer(invalid attachment %s)",
-                  _mesa_lookup_enum_by_nr(attachment));
+                  "%s(invalid attachment %s)", func,
+                  _mesa_enum_to_string(attachment));
       return;
    }
 
-   if (renderbuffer) {
-      rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
-      if (!rb) {
-        _mesa_error(ctx, GL_INVALID_OPERATION,
-                    "glFramebufferRenderbuffer(non-existant"
-                     " renderbuffer %u)", renderbuffer);
-        return;
-      }
-      else if (rb == &DummyRenderbuffer) {
-        _mesa_error(ctx, GL_INVALID_OPERATION,
-                    "glFramebufferRenderbuffer(renderbuffer %u)",
-                     renderbuffer);
-        return;
-      }
-   }
-   else {
-      /* remove renderbuffer attachment */
-      rb = NULL;
-   }
-
    if (attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
        rb && rb->Format != MESA_FORMAT_NONE) {
       /* make sure the renderbuffer is a depth/stencil format */
       const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
       if (baseFormat != GL_DEPTH_STENCIL) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glFramebufferRenderbuffer(renderbuffer"
-                     " is not DEPTH_STENCIL format)");
+                     "%s(renderbuffer is not DEPTH_STENCIL format)", func);
          return;
       }
    }
 
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+   _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
+}
 
-   assert(ctx->Driver.FramebufferRenderbuffer);
-   ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
+void GLAPIENTRY
+_mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
+                              GLenum renderbuffertarget,
+                              GLuint renderbuffer)
+{
+   struct gl_framebuffer *fb;
+   struct gl_renderbuffer *rb;
+   GET_CURRENT_CONTEXT(ctx);
 
-   /* Some subsequent GL commands may depend on the framebuffer's visual
-    * after the binding is updated.  Update visual info now.
-    */
-   _mesa_update_framebuffer_visual(ctx, fb);
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glFramebufferRenderbuffer(invalid target %s)",
+                  _mesa_enum_to_string(target));
+      return;
+   }
+
+   if (renderbuffertarget != GL_RENDERBUFFER) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glFramebufferRenderbuffer(renderbuffertarget is not "
+                  "GL_RENDERBUFFER)");
+      return;
+   }
+
+   if (renderbuffer) {
+      rb = _mesa_lookup_renderbuffer_err(ctx, renderbuffer,
+                                         "glFramebufferRenderbuffer");
+      if (!rb)
+         return;
+   }
+   else {
+      /* remove renderbuffer attachment */
+      rb = NULL;
+   }
+
+   framebuffer_renderbuffer(ctx, fb, attachment, rb,
+                            "glFramebufferRenderbuffer");
 }
 
 
 void GLAPIENTRY
-_mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
-                                          GLenum pname, GLint *params)
+_mesa_NamedFramebufferRenderbuffer(GLuint framebuffer, GLenum attachment,
+                                   GLenum renderbuffertarget,
+                                   GLuint renderbuffer)
 {
-   const struct gl_renderbuffer_attachment *att;
-   struct gl_framebuffer *buffer;
-   GLenum err;
+   struct gl_framebuffer *fb;
+   struct gl_renderbuffer *rb;
    GET_CURRENT_CONTEXT(ctx);
 
-   /* The error differs in GL and GLES. */
-   err = _mesa_is_desktop_gl(ctx) ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
+   fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                     "glNamedFramebufferRenderbuffer");
+   if (!fb)
+      return;
 
-   buffer = get_framebuffer_target(ctx, target);
-   if (!buffer) {
+   if (renderbuffertarget != GL_RENDERBUFFER) {
       _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glGetFramebufferAttachmentParameteriv(target)");
+                  "glNamedFramebufferRenderbuffer(renderbuffertarget is not "
+                  "GL_RENDERBUFFER)");
       return;
    }
 
+   if (renderbuffer) {
+      rb = _mesa_lookup_renderbuffer_err(ctx, renderbuffer,
+                                         "glNamedFramebufferRenderbuffer");
+      if (!rb)
+         return;
+   }
+   else {
+      /* remove renderbuffer attachment */
+      rb = NULL;
+   }
+
+   framebuffer_renderbuffer(ctx, fb, attachment, rb,
+                            "glNamedFramebufferRenderbuffer");
+}
+
+
+void
+_mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
+                                           struct gl_framebuffer *buffer,
+                                           GLenum attachment, GLenum pname,
+                                           GLint *params, const char *caller)
+{
+   const struct gl_renderbuffer_attachment *att;
+   GLenum err;
+
+   /* The error code for an attachment type of GL_NONE differs between APIs.
+    *
+    * From the ES 2.0.25 specification, page 127:
+    * "If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is NONE, then
+    *  querying any other pname will generate INVALID_ENUM."
+    *
+    * From the OpenGL 3.0 specification, page 337, or identically,
+    * the OpenGL ES 3.0.4 specification, page 240:
+    *
+    * "If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is NONE, no
+    *  framebuffer is bound to target.  In this case querying pname
+    *  FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero, and all other
+    *  queries will generate an INVALID_OPERATION error."
+    */
+   err = ctx->API == API_OPENGLES2 && ctx->Version < 30 ?
+      GL_INVALID_ENUM : GL_INVALID_OPERATION;
+
    if (_mesa_is_winsys_fbo(buffer)) {
       /* Page 126 (page 136 of the PDF) of the OpenGL ES 2.0.25 spec
        * says:
@@ -2783,17 +3634,35 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
       if ((!_mesa_is_desktop_gl(ctx) ||
            !ctx->Extensions.ARB_framebuffer_object)
           && !_mesa_is_gles3(ctx)) {
-        _mesa_error(ctx, GL_INVALID_OPERATION,
-                    "glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
-        return;
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "%s(window-system framebuffer)", caller);
+         return;
       }
 
       if (_mesa_is_gles3(ctx) && attachment != GL_BACK &&
           attachment != GL_DEPTH && attachment != GL_STENCIL) {
          _mesa_error(ctx, GL_INVALID_ENUM,
-                     "glGetFramebufferAttachmentParameteriv(attachment)");
+                     "%s(invalid attachment %s)", caller,
+                     _mesa_enum_to_string(attachment));
          return;
       }
+
+      /* The specs are not clear about how to handle
+       * GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME with the default framebuffer,
+       * but dEQP-GLES3 expects an INVALID_ENUM error. This has also been
+       * discussed in:
+       *
+       * https://cvs.khronos.org/bugzilla/show_bug.cgi?id=12928#c1
+       * and https://bugs.freedesktop.org/show_bug.cgi?id=31947
+       */
+      if (pname == GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME) {
+         _mesa_error(ctx, GL_INVALID_ENUM,
+                     "%s(requesting GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME "
+                     "when GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is "
+                     "GL_FRAMEBUFFER_DEFAULT is not allowed)", caller);
+         return;
+      }
+
       /* the default / window-system FBO */
       att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
    }
@@ -2803,8 +3672,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
    }
 
    if (att == NULL) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glGetFramebufferAttachmentParameteriv(attachment)");
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", caller,
+                  _mesa_enum_to_string(attachment));
       return;
    }
 
@@ -2818,9 +3687,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
           *    attachment, since it does not have a single format."
           */
          _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glGetFramebufferAttachmentParameteriv("
-                     "GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE"
-                     " is invalid for depth+stencil attachment)");
+                     "%s(GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE"
+                     " is invalid for depth+stencil attachment)", caller);
          return;
       }
       /* the depth and stencil attachments must point to the same buffer */
@@ -2828,8 +3696,7 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
       stencilAtt = get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
       if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glGetFramebufferAttachmentParameteriv(DEPTH/STENCIL"
-                     " attachments differ)");
+                     "%s(DEPTH/STENCIL attachments differ)", caller);
          return;
       }
    }
@@ -2838,15 +3705,24 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
 
    switch (pname) {
    case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
-      *params = _mesa_is_winsys_fbo(buffer)
+      /* From the OpenGL spec, 9.2. Binding and Managing Framebuffer Objects:
+       *
+       * "If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is NONE, then
+       *  either no framebuffer is bound to target; or the default framebuffer
+       *  is bound, attachment is DEPTH or STENCIL, and the number of depth or
+       *  stencil bits, respectively, is zero."
+       */
+      *params = (_mesa_is_winsys_fbo(buffer) &&
+                 ((attachment != GL_DEPTH && attachment != GL_STENCIL) ||
+                  (att->Type != GL_NONE)))
          ? GL_FRAMEBUFFER_DEFAULT : att->Type;
       return;
    case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
       if (att->Type == GL_RENDERBUFFER_EXT) {
-        *params = att->Renderbuffer->Name;
+         *params = att->Renderbuffer->Name;
       }
       else if (att->Type == GL_TEXTURE) {
-        *params = att->Texture->Name;
+         *params = att->Texture->Name;
       }
       else {
          assert(att->Type == GL_NONE);
@@ -2859,11 +3735,11 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
       return;
    case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
       if (att->Type == GL_TEXTURE) {
-        *params = att->TextureLevel;
+         *params = att->TextureLevel;
       }
       else if (att->Type == GL_NONE) {
-         _mesa_error(ctx, err,
-                     "glGetFramebufferAttachmentParameteriv(pname)");
+         _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+                     _mesa_enum_to_string(pname));
       }
       else {
          goto invalid_pname_enum;
@@ -2879,8 +3755,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
          }
       }
       else if (att->Type == GL_NONE) {
-         _mesa_error(ctx, err,
-                     "glGetFramebufferAttachmentParameteriv(pname)");
+         _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+                     _mesa_enum_to_string(pname));
       }
       else {
          goto invalid_pname_enum;
@@ -2890,8 +3766,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
       if (ctx->API == API_OPENGLES) {
          goto invalid_pname_enum;
       } else if (att->Type == GL_NONE) {
-         _mesa_error(ctx, err,
-                     "glGetFramebufferAttachmentParameteriv(pname)");
+         _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+                     _mesa_enum_to_string(pname));
       } else if (att->Type == GL_TEXTURE) {
          if (att->Texture && (att->Texture->Target == GL_TEXTURE_3D ||
              att->Texture->Target == GL_TEXTURE_2D_ARRAY)) {
@@ -2912,8 +3788,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
          goto invalid_pname_enum;
       }
       else if (att->Type == GL_NONE) {
-         _mesa_error(ctx, err,
-                     "glGetFramebufferAttachmentParameteriv(pname)");
+         _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+                     _mesa_enum_to_string(pname));
       }
       else {
          if (ctx->Extensions.EXT_framebuffer_sRGB) {
@@ -2935,8 +3811,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
          goto invalid_pname_enum;
       }
       else if (att->Type == GL_NONE) {
-         _mesa_error(ctx, err,
-                     "glGetFramebufferAttachmentParameteriv(pname)");
+         _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+                     _mesa_enum_to_string(pname));
       }
       else {
          mesa_format format = att->Renderbuffer->Format;
@@ -2951,9 +3827,9 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
          if (_mesa_is_gles3(ctx) &&
              attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
             _mesa_error(ctx, GL_INVALID_OPERATION,
-                        "glGetFramebufferAttachmentParameteriv(cannot query "
+                        "%s(cannot query "
                         "GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE of "
-                        "GL_DEPTH_STENCIL_ATTACHMENT");
+                        "GL_DEPTH_STENCIL_ATTACHMENT)", caller);
             return;
          }
 
@@ -2987,8 +3863,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
          goto invalid_pname_enum;
       }
       else if (att->Type == GL_NONE) {
-         _mesa_error(ctx, err,
-                     "glGetFramebufferAttachmentParameteriv(pname)");
+         _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+                     _mesa_enum_to_string(pname));
       }
       else if (att->Texture) {
          const struct gl_texture_image *texImage =
@@ -3007,8 +3883,7 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
                                       att->Renderbuffer->Format);
       }
       else {
-         _mesa_problem(ctx, "glGetFramebufferAttachmentParameterivEXT:"
-                       " invalid FBO attachment structure");
+         _mesa_problem(ctx, "%s: invalid FBO attachment structure", caller);
       }
       return;
    case GL_FRAMEBUFFER_ATTACHMENT_LAYERED:
@@ -3017,8 +3892,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
       } else if (att->Type == GL_TEXTURE) {
          *params = att->Layered;
       } else if (att->Type == GL_NONE) {
-         _mesa_error(ctx, err,
-                     "glGetFramebufferAttachmentParameteriv(pname)");
+         _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+                     _mesa_enum_to_string(pname));
       } else {
          goto invalid_pname_enum;
       }
@@ -3030,30 +3905,144 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
    return;
 
 invalid_pname_enum:
-   _mesa_error(ctx, GL_INVALID_ENUM,
-               "glGetFramebufferAttachmentParameteriv(pname)");
+   _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid pname %s)", caller,
+               _mesa_enum_to_string(pname));
    return;
 }
 
 
+void GLAPIENTRY
+_mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
+                                          GLenum pname, GLint *params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *buffer;
+
+   buffer = get_framebuffer_target(ctx, target);
+   if (!buffer) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetFramebufferAttachmentParameteriv(invalid target %s)",
+                  _mesa_enum_to_string(target));
+      return;
+   }
+
+   _mesa_get_framebuffer_attachment_parameter(ctx, buffer, attachment, pname,
+                                              params,
+                                    "glGetFramebufferAttachmentParameteriv");
+}
+
+
+void GLAPIENTRY
+_mesa_GetNamedFramebufferAttachmentParameteriv(GLuint framebuffer,
+                                               GLenum attachment,
+                                               GLenum pname, GLint *params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *buffer;
+
+   if (framebuffer) {
+      buffer = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                              "glGetNamedFramebufferAttachmentParameteriv");
+      if (!buffer)
+         return;
+   }
+   else {
+      /*
+       * Section 9.2 Binding and Managing Framebuffer Objects of the OpenGL
+       * 4.5 core spec (30.10.2014, PDF page 314):
+       *    "If framebuffer is zero, then the default draw framebuffer is
+       *    queried."
+       */
+      buffer = ctx->WinSysDrawBuffer;
+   }
+
+   _mesa_get_framebuffer_attachment_parameter(ctx, buffer, attachment, pname,
+                                              params,
+                              "glGetNamedFramebufferAttachmentParameteriv");
+}
+
+
+void GLAPIENTRY
+_mesa_NamedFramebufferParameteri(GLuint framebuffer, GLenum pname,
+                                 GLint param)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb = NULL;
+
+   if (!ctx->Extensions.ARB_framebuffer_no_attachments) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glNamedFramebufferParameteri("
+                  "ARB_framebuffer_no_attachments not implemented)");
+      return;
+   }
+
+   fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                     "glNamedFramebufferParameteri");
+
+   if (fb) {
+      framebuffer_parameteri(ctx, fb, pname, param,
+                             "glNamedFramebufferParameteriv");
+   }
+}
+
+
+void GLAPIENTRY
+_mesa_GetNamedFramebufferParameteriv(GLuint framebuffer, GLenum pname,
+                                     GLint *param)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_framebuffer *fb;
+
+   if (!ctx->Extensions.ARB_framebuffer_no_attachments) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glNamedFramebufferParameteriv("
+                  "ARB_framebuffer_no_attachments not implemented)");
+      return;
+   }
+
+   if (framebuffer) {
+      fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                        "glGetNamedFramebufferParameteriv");
+   } else {
+      fb = ctx->WinSysDrawBuffer;
+   }
+
+   if (fb) {
+      get_framebuffer_parameteriv(ctx, fb, pname, param,
+                                  "glGetNamedFramebufferParameteriv");
+   }
+}
+
+
 static void
-invalidate_framebuffer_storage(GLenum target, GLsizei numAttachments,
+invalidate_framebuffer_storage(struct gl_context *ctx,
+                               struct gl_framebuffer *fb,
+                               GLsizei numAttachments,
                                const GLenum *attachments, GLint x, GLint y,
                                GLsizei width, GLsizei height, const char *name)
 {
    int i;
-   struct gl_framebuffer *fb;
-   GET_CURRENT_CONTEXT(ctx);
 
-   fb = get_framebuffer_target(ctx, target);
-   if (!fb) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", name);
+   /* Section 17.4 Whole Framebuffer Operations of the OpenGL 4.5 Core
+    * Spec (2.2.2015, PDF page 522) says:
+    *    "An INVALID_VALUE error is generated if numAttachments, width, or
+    *    height is negative."
+    */
+   if (numAttachments < 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "%s(numAttachments < 0)", name);
       return;
    }
 
-   if (numAttachments < 0) {
+   if (width < 0) {
       _mesa_error(ctx, GL_INVALID_VALUE,
-                  "%s(numAttachments < 0)", name);
+                  "%s(width < 0)", name);
+      return;
+   }
+
+   if (height < 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "%s(height < 0)", name);
       return;
    }
 
@@ -3149,7 +4138,8 @@ invalidate_framebuffer_storage(GLenum target, GLsizei numAttachments,
    return;
 
 invalid_enum:
-   _mesa_error(ctx, GL_INVALID_ENUM, "%s(attachment)", name);
+   _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", name,
+               _mesa_enum_to_string(attachments[i]));
    return;
 }
 
@@ -3159,16 +4149,67 @@ _mesa_InvalidateSubFramebuffer(GLenum target, GLsizei numAttachments,
                                const GLenum *attachments, GLint x, GLint y,
                                GLsizei width, GLsizei height)
 {
-   invalidate_framebuffer_storage(target, numAttachments, attachments,
+   struct gl_framebuffer *fb;
+   GET_CURRENT_CONTEXT(ctx);
+
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glInvalidateSubFramebuffer(invalid target %s)",
+                  _mesa_enum_to_string(target));
+      return;
+   }
+
+   invalidate_framebuffer_storage(ctx, fb, numAttachments, attachments,
                                   x, y, width, height,
                                   "glInvalidateSubFramebuffer");
 }
 
 
+void GLAPIENTRY
+_mesa_InvalidateNamedFramebufferSubData(GLuint framebuffer,
+                                        GLsizei numAttachments,
+                                        const GLenum *attachments,
+                                        GLint x, GLint y,
+                                        GLsizei width, GLsizei height)
+{
+   struct gl_framebuffer *fb;
+   GET_CURRENT_CONTEXT(ctx);
+
+   /* The OpenGL 4.5 core spec (02.02.2015) says (in Section 17.4 Whole
+    * Framebuffer Operations, PDF page 522): "If framebuffer is zero, the
+    * default draw framebuffer is affected."
+    */
+   if (framebuffer) {
+      fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                        "glInvalidateNamedFramebufferSubData");
+      if (!fb)
+         return;
+   }
+   else
+      fb = ctx->WinSysDrawBuffer;
+
+   invalidate_framebuffer_storage(ctx, fb, numAttachments, attachments,
+                                  x, y, width, height,
+                                  "glInvalidateNamedFramebufferSubData");
+}
+
+
 void GLAPIENTRY
 _mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
                             const GLenum *attachments)
 {
+   struct gl_framebuffer *fb;
+   GET_CURRENT_CONTEXT(ctx);
+
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glInvalidateFramebuffer(invalid target %s)",
+                  _mesa_enum_to_string(target));
+      return;
+   }
+
    /* The GL_ARB_invalidate_subdata spec says:
     *
     *     "The command
@@ -3181,13 +4222,55 @@ _mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
     *     <width>, <height> equal to 0, 0, <MAX_VIEWPORT_DIMS[0]>,
     *     <MAX_VIEWPORT_DIMS[1]> respectively."
     */
-   invalidate_framebuffer_storage(target, numAttachments, attachments,
+   invalidate_framebuffer_storage(ctx, fb, numAttachments, attachments,
                                   0, 0,
-                                  MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
+                                  ctx->Const.MaxViewportWidth,
+                                  ctx->Const.MaxViewportHeight,
                                   "glInvalidateFramebuffer");
 }
 
 
+void GLAPIENTRY
+_mesa_InvalidateNamedFramebufferData(GLuint framebuffer,
+                                     GLsizei numAttachments,
+                                     const GLenum *attachments)
+{
+   struct gl_framebuffer *fb;
+   GET_CURRENT_CONTEXT(ctx);
+
+   /* The OpenGL 4.5 core spec (02.02.2015) says (in Section 17.4 Whole
+    * Framebuffer Operations, PDF page 522): "If framebuffer is zero, the
+    * default draw framebuffer is affected."
+    */
+   if (framebuffer) {
+      fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                        "glInvalidateNamedFramebufferData");
+      if (!fb)
+         return;
+   }
+   else
+      fb = ctx->WinSysDrawBuffer;
+
+   /* The GL_ARB_invalidate_subdata spec says:
+    *
+    *     "The command
+    *
+    *        void InvalidateFramebuffer(enum target,
+    *                                   sizei numAttachments,
+    *                                   const enum *attachments);
+    *
+    *     is equivalent to the command InvalidateSubFramebuffer with <x>, <y>,
+    *     <width>, <height> equal to 0, 0, <MAX_VIEWPORT_DIMS[0]>,
+    *     <MAX_VIEWPORT_DIMS[1]> respectively."
+    */
+   invalidate_framebuffer_storage(ctx, fb, numAttachments, attachments,
+                                  0, 0,
+                                  ctx->Const.MaxViewportWidth,
+                                  ctx->Const.MaxViewportHeight,
+                                  "glInvalidateNamedFramebufferData");
+}
+
+
 void GLAPIENTRY
 _mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
                             const GLenum *attachments)
@@ -3201,7 +4284,7 @@ _mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM,
          "glDiscardFramebufferEXT(target %s)",
-         _mesa_lookup_enum_by_nr(target));
+         _mesa_enum_to_string(target));
       return;
    }
 
@@ -3238,5 +4321,5 @@ _mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
 invalid_enum:
    _mesa_error(ctx, GL_INVALID_ENUM,
                "glDiscardFramebufferEXT(attachment %s)",
-              _mesa_lookup_enum_by_nr(attachments[i]));
+              _mesa_enum_to_string(attachments[i]));
 }