mesa/version.c: enable cull distance in version check.
[mesa.git] / src / mesa / main / fbobject.c
index 5b8c52ab2ad8f42d8375fb489197033ef981b3e4..c81f5a083ebfd03083ceb7bc0f17c69d5584ff19 100644 (file)
@@ -811,7 +811,7 @@ 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)) {
@@ -868,8 +868,7 @@ 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);
       if (!att->Renderbuffer->InternalFormat ||
@@ -957,6 +956,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
    fb->Height = 0;
    fb->_AllColorBuffersFixedPoint = GL_TRUE;
    fb->_HasSNormOrFloatColorBuffer = GL_FALSE;
+   fb->_HasAttachments = true;
 
    /* Start at -2 to more easily loop over all attachment points.
     *  -2: depth buffer
@@ -1155,14 +1155,48 @@ _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) {
@@ -1218,21 +1252,22 @@ _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);
 }
 
 
@@ -1334,6 +1369,155 @@ _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)) {
+         _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)) {
+         _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
@@ -1828,6 +2012,63 @@ invalidate_rb(GLuint key, void *data, void *userData)
 /** sentinal value, see below */
 #define NO_SAMPLES 1000
 
+void
+_mesa_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
+                           GLenum internalFormat, GLsizei width,
+                           GLsizei height, GLsizei samples)
+{
+   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);
+
+   if (rb->InternalFormat == internalFormat &&
+       rb->Width == (GLuint) width &&
+       rb->Height == (GLuint) height &&
+       rb->NumSamples == samples) {
+      /* no change in allocation needed */
+      return;
+   }
+
+   /* These MUST get set by the AllocStorage func */
+   rb->Format = MESA_FORMAT_NONE;
+   rb->NumSamples = samples;
+
+   /* Now allocate the storage */
+   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. */
+      assert(rb->Width == (GLuint) width);
+      assert(rb->Height == (GLuint) height);
+      rb->InternalFormat = internalFormat;
+      rb->_BaseFormat = baseFormat;
+      assert(rb->_BaseFormat != 0);
+   }
+   else {
+      /* Probably ran out of memory - clear the fields */
+      rb->Width = 0;
+      rb->Height = 0;
+      rb->Format = MESA_FORMAT_NONE;
+      rb->InternalFormat = GL_NONE;
+      rb->_BaseFormat = GL_NONE;
+      rb->NumSamples = 0;
+   }
+
+   /* Invalidate the framebuffers the renderbuffer is attached in. */
+   if (rb->AttachedAnytime) {
+      _mesa_HashWalk(ctx->Shared->FrameBuffers, invalidate_rb, rb);
+   }
+}
 
 /**
  * Helper function used by renderbuffer_storage_direct() and
@@ -1845,7 +2086,7 @@ renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
    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));
+                  func, _mesa_enum_to_string(internalFormat));
       return;
    }
 
@@ -1871,51 +2112,23 @@ renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
        */
       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)", func);
          return;
       }
    }
 
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
-   if (rb->InternalFormat == internalFormat &&
-       rb->Width == (GLuint) width &&
-       rb->Height == (GLuint) height &&
-       rb->NumSamples == samples) {
-      /* no change in allocation needed */
-      return;
-   }
-
-   /* These MUST get set by the AllocStorage func */
-   rb->Format = MESA_FORMAT_NONE;
-   rb->NumSamples = samples;
-
-   /* Now allocate the storage */
-   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. */
-      assert(rb->Width == (GLuint) width);
-      assert(rb->Height == (GLuint) height);
-      rb->InternalFormat = internalFormat;
-      rb->_BaseFormat = baseFormat;
-      assert(rb->_BaseFormat != 0);
-   }
-   else {
-      /* Probably ran out of memory - clear the fields */
-      rb->Width = 0;
-      rb->Height = 0;
-      rb->Format = MESA_FORMAT_NONE;
-      rb->InternalFormat = GL_NONE;
-      rb->_BaseFormat = GL_NONE;
-      rb->NumSamples = 0;
-   }
-
-   /* Invalidate the framebuffers the renderbuffer is attached in. */
-   if (rb->AttachedAnytime) {
-      _mesa_HashWalk(ctx->Shared->FrameBuffers, invalidate_rb, rb);
-   }
+   _mesa_renderbuffer_storage(ctx, rb, internalFormat, width, height, samples);
 }
 
 /**
@@ -1933,12 +2146,12 @@ renderbuffer_storage_named(GLuint renderbuffer, GLenum internalFormat,
       if (samples == NO_SAMPLES)
          _mesa_debug(ctx, "%s(%u, %s, %d, %d)\n",
                      func, renderbuffer,
-                     _mesa_lookup_enum_by_nr(internalFormat),
+                     _mesa_enum_to_string(internalFormat),
                      width, height);
       else
          _mesa_debug(ctx, "%s(%u, %s, %d, %d, %d)\n",
                      func, renderbuffer,
-                     _mesa_lookup_enum_by_nr(internalFormat),
+                     _mesa_enum_to_string(internalFormat),
                      width, height, samples);
    }
 
@@ -1969,14 +2182,14 @@ renderbuffer_storage_target(GLenum target, GLenum internalFormat,
       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),
+                     _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_lookup_enum_by_nr(target),
-                     _mesa_lookup_enum_by_nr(internalFormat),
+                     _mesa_enum_to_string(target),
+                     _mesa_enum_to_string(internalFormat),
                      width, height, samples);
    }
 
@@ -2149,7 +2362,7 @@ get_render_buffer_parameteriv(struct gl_context *ctx,
       /* fallthrough */
    default:
       _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid pname=%s)", func,
-                  _mesa_lookup_enum_by_nr(pname));
+                  _mesa_enum_to_string(pname));
       return;
    }
 }
@@ -2263,7 +2476,6 @@ 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);
 
@@ -2317,18 +2529,23 @@ 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.
@@ -2365,7 +2582,12 @@ 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);
    }
 }
 
@@ -2532,13 +2754,13 @@ _mesa_CheckFramebufferStatus(GLenum target)
 
    if (MESA_VERBOSE & VERBOSE_API)
       _mesa_debug(ctx, "glCheckFramebufferStatus(%s)\n",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
 
    fb = get_framebuffer_target(ctx, target);
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glCheckFramebufferStatus(invalid target %s)",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return 0;
    }
 
@@ -2570,7 +2792,7 @@ _mesa_CheckNamedFramebufferStatus(GLuint framebuffer, GLenum target)
       default:
          _mesa_error(ctx, GL_INVALID_ENUM,
                      "glCheckNamedFramebufferStatus(invalid target %s)",
-                     _mesa_lookup_enum_by_nr(target));
+                     _mesa_enum_to_string(target));
          return 0;
    }
 
@@ -2607,6 +2829,7 @@ reuse_framebuffer_texture_attachment(struct gl_framebuffer *fb,
    dst_att->Complete = src_att->Complete;
    dst_att->TextureLevel = src_att->TextureLevel;
    dst_att->Zoffset = src_att->Zoffset;
+   dst_att->Layered = src_att->Layered;
 }
 
 
@@ -2689,7 +2912,7 @@ check_layered_texture_target(struct gl_context *ctx, GLenum target,
 
    _mesa_error(ctx, GL_INVALID_OPERATION,
                "%s(invalid texture target %s)", caller,
-               _mesa_lookup_enum_by_nr(target));
+               _mesa_enum_to_string(target));
    return false;
 }
 
@@ -2707,6 +2930,10 @@ check_texture_target(struct gl_context *ctx, GLenum target,
    /* 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:
@@ -2716,15 +2943,18 @@ check_texture_target(struct gl_context *ctx, GLenum target,
    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
       return true;
    case GL_TEXTURE_CUBE_MAP:
-      /* This target is valid in TextureLayer when ARB_direct_state_access
-       * or OpenGL 4.5 is supported.
+      /* 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->Extensions.ARB_direct_state_access;
+      return ctx->API == API_OPENGL_CORE;
    }
 
    _mesa_error(ctx, GL_INVALID_OPERATION,
                "%s(invalid texture target %s)", caller,
-               _mesa_lookup_enum_by_nr(target));
+               _mesa_enum_to_string(target));
    return false;
 }
 
@@ -2775,8 +3005,9 @@ check_textarget(struct gl_context *ctx, int dims, GLenum target,
          break;
       case GL_TEXTURE_2D_MULTISAMPLE:
       case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
-         err = _mesa_is_gles(ctx)
-               || !ctx->Extensions.ARB_texture_multisample;
+         err = (_mesa_is_gles(ctx) ||
+                !ctx->Extensions.ARB_texture_multisample) &&
+               !_mesa_is_gles31(ctx);
          break;
       default:
          err = true;
@@ -2793,7 +3024,7 @@ check_textarget(struct gl_context *ctx, int dims, GLenum target,
    if (err) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
                   "%s(invalid textarget %s)",
-                  caller, _mesa_lookup_enum_by_nr(textarget));
+                  caller, _mesa_enum_to_string(textarget));
       return false;
    }
 
@@ -2905,7 +3136,7 @@ _mesa_framebuffer_texture(struct gl_context *ctx, struct gl_framebuffer *fb,
    att = get_attachment(ctx, fb, attachment);
    if (att == NULL) {
       _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", caller,
-                  _mesa_lookup_enum_by_nr(attachment));
+                  _mesa_enum_to_string(attachment));
       return;
    }
 
@@ -2988,7 +3219,7 @@ framebuffer_texture_with_dims(int dims, GLenum target,
    fb = get_framebuffer_target(ctx, target);
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", caller,
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return;
    }
 
@@ -3056,7 +3287,7 @@ _mesa_FramebufferTextureLayer(GLenum target, GLenum attachment,
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glFramebufferTextureLayer(invalid target %s)",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return;
    }
 
@@ -3135,7 +3366,7 @@ _mesa_FramebufferTexture(GLenum target, GLenum attachment,
    GET_CURRENT_CONTEXT(ctx);
    struct gl_framebuffer *fb;
    struct gl_texture_object *texObj;
-   GLboolean layered;
+   GLboolean layered = GL_FALSE;
 
    const char *func = "FramebufferTexture";
 
@@ -3150,7 +3381,7 @@ _mesa_FramebufferTexture(GLenum target, GLenum attachment,
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glFramebufferTexture(invalid target %s)",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return;
    }
 
@@ -3178,7 +3409,7 @@ _mesa_NamedFramebufferTexture(GLuint framebuffer, GLenum attachment,
    GET_CURRENT_CONTEXT(ctx);
    struct gl_framebuffer *fb;
    struct gl_texture_object *texObj;
-   GLboolean layered;
+   GLboolean layered = GL_FALSE;
 
    const char *func = "glNamedFramebufferTexture";
 
@@ -3215,8 +3446,27 @@ void
 _mesa_framebuffer_renderbuffer(struct gl_context *ctx,
                                struct gl_framebuffer *fb,
                                GLenum attachment,
-                               struct gl_renderbuffer *rb,
-                               const char *func)
+                               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;
 
@@ -3231,7 +3481,7 @@ _mesa_framebuffer_renderbuffer(struct gl_context *ctx,
    if (att == NULL) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "%s(invalid attachment %s)", func,
-                  _mesa_lookup_enum_by_nr(attachment));
+                  _mesa_enum_to_string(attachment));
       return;
    }
 
@@ -3246,18 +3496,9 @@ _mesa_framebuffer_renderbuffer(struct gl_context *ctx,
       }
    }
 
-   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);
+   _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
 }
 
-
 void GLAPIENTRY
 _mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
                               GLenum renderbuffertarget,
@@ -3271,7 +3512,7 @@ _mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glFramebufferRenderbuffer(invalid target %s)",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return;
    }
 
@@ -3293,8 +3534,8 @@ _mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
       rb = NULL;
    }
 
-   _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb,
-                                  "glFramebufferRenderbuffer");
+   framebuffer_renderbuffer(ctx, fb, attachment, rb,
+                            "glFramebufferRenderbuffer");
 }
 
 
@@ -3330,8 +3571,8 @@ _mesa_NamedFramebufferRenderbuffer(GLuint framebuffer, GLenum attachment,
       rb = NULL;
    }
 
-   _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb,
-                                  "glNamedFramebufferRenderbuffer");
+   framebuffer_renderbuffer(ctx, fb, attachment, rb,
+                            "glNamedFramebufferRenderbuffer");
 }
 
 
@@ -3344,8 +3585,22 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
    const struct gl_renderbuffer_attachment *att;
    GLenum err;
 
-   /* The error differs in GL and GLES. */
-   err = _mesa_is_desktop_gl(ctx) ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
+   /* 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
@@ -3370,9 +3625,26 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
           attachment != GL_DEPTH && attachment != GL_STENCIL) {
          _mesa_error(ctx, GL_INVALID_ENUM,
                      "%s(invalid attachment %s)", caller,
-                     _mesa_lookup_enum_by_nr(attachment));
+                     _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);
    }
@@ -3383,7 +3655,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
 
    if (att == NULL) {
       _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", caller,
-                  _mesa_lookup_enum_by_nr(attachment));
+                  _mesa_enum_to_string(attachment));
       return;
    }
 
@@ -3415,7 +3687,16 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
 
    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:
@@ -3440,7 +3721,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
       }
       else if (att->Type == GL_NONE) {
          _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
-                     _mesa_lookup_enum_by_nr(pname));
+                     _mesa_enum_to_string(pname));
       }
       else {
          goto invalid_pname_enum;
@@ -3457,7 +3738,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
       }
       else if (att->Type == GL_NONE) {
          _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
-                     _mesa_lookup_enum_by_nr(pname));
+                     _mesa_enum_to_string(pname));
       }
       else {
          goto invalid_pname_enum;
@@ -3468,7 +3749,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
          goto invalid_pname_enum;
       } else if (att->Type == GL_NONE) {
          _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
-                     _mesa_lookup_enum_by_nr(pname));
+                     _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)) {
@@ -3490,7 +3771,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
       }
       else if (att->Type == GL_NONE) {
          _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
-                     _mesa_lookup_enum_by_nr(pname));
+                     _mesa_enum_to_string(pname));
       }
       else {
          if (ctx->Extensions.EXT_framebuffer_sRGB) {
@@ -3513,7 +3794,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
       }
       else if (att->Type == GL_NONE) {
          _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
-                     _mesa_lookup_enum_by_nr(pname));
+                     _mesa_enum_to_string(pname));
       }
       else {
          mesa_format format = att->Renderbuffer->Format;
@@ -3565,7 +3846,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
       }
       else if (att->Type == GL_NONE) {
          _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
-                     _mesa_lookup_enum_by_nr(pname));
+                     _mesa_enum_to_string(pname));
       }
       else if (att->Texture) {
          const struct gl_texture_image *texImage =
@@ -3594,7 +3875,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
          *params = att->Layered;
       } else if (att->Type == GL_NONE) {
          _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
-                     _mesa_lookup_enum_by_nr(pname));
+                     _mesa_enum_to_string(pname));
       } else {
          goto invalid_pname_enum;
       }
@@ -3607,7 +3888,7 @@ _mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
 
 invalid_pname_enum:
    _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid pname %s)", caller,
-               _mesa_lookup_enum_by_nr(pname));
+               _mesa_enum_to_string(pname));
    return;
 }
 
@@ -3623,7 +3904,7 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
    if (!buffer) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glGetFramebufferAttachmentParameteriv(invalid target %s)",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return;
    }
 
@@ -3668,14 +3949,22 @@ _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;
+   }
 
-   (void) framebuffer;
-   (void) pname;
-   (void) param;
+   fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                     "glNamedFramebufferParameteri");
 
-   _mesa_error(ctx, GL_INVALID_OPERATION,
-               "glNamedFramebufferParameteri not supported "
-               "(ARB_framebuffer_no_attachments not implemented)");
+   if (fb) {
+      framebuffer_parameteri(ctx, fb, pname, param,
+                             "glNamedFramebufferParameteriv");
+   }
 }
 
 
@@ -3684,14 +3973,26 @@ _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;
+   }
 
-   (void) framebuffer;
-   (void) pname;
-   (void) param;
+   if (framebuffer) {
+      fb = _mesa_lookup_framebuffer_err(ctx, framebuffer,
+                                        "glGetNamedFramebufferParameteriv");
+   } else {
+      fb = ctx->WinSysDrawBuffer;
+   }
 
-   _mesa_error(ctx, GL_INVALID_OPERATION,
-               "glGetNamedFramebufferParameteriv not supported "
-               "(ARB_framebuffer_no_attachments not implemented)");
+   if (fb) {
+      get_framebuffer_parameteriv(ctx, fb, pname, param,
+                                  "glGetNamedFramebufferParameteriv");
+   }
 }
 
 
@@ -3820,7 +4121,7 @@ invalidate_framebuffer_storage(struct gl_context *ctx,
 
 invalid_enum:
    _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", name,
-               _mesa_lookup_enum_by_nr(attachments[i]));
+               _mesa_enum_to_string(attachments[i]));
    return;
 }
 
@@ -3837,7 +4138,7 @@ _mesa_InvalidateSubFramebuffer(GLenum target, GLsizei numAttachments,
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glInvalidateSubFramebuffer(invalid target %s)",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return;
    }
 
@@ -3887,7 +4188,7 @@ _mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
    if (!fb) {
       _mesa_error(ctx, GL_INVALID_ENUM,
                   "glInvalidateFramebuffer(invalid target %s)",
-                  _mesa_lookup_enum_by_nr(target));
+                  _mesa_enum_to_string(target));
       return;
    }
 
@@ -3905,7 +4206,8 @@ _mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
     */
    invalidate_framebuffer_storage(ctx, fb, numAttachments, attachments,
                                   0, 0,
-                                  MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
+                                  ctx->Const.MaxViewportWidth,
+                                  ctx->Const.MaxViewportHeight,
                                   "glInvalidateFramebuffer");
 }
 
@@ -3945,7 +4247,8 @@ _mesa_InvalidateNamedFramebufferData(GLuint framebuffer,
     */
    invalidate_framebuffer_storage(ctx, fb, numAttachments, attachments,
                                   0, 0,
-                                  MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
+                                  ctx->Const.MaxViewportWidth,
+                                  ctx->Const.MaxViewportHeight,
                                   "glInvalidateNamedFramebufferData");
 }
 
@@ -3963,7 +4266,7 @@ _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;
    }
 
@@ -4000,5 +4303,5 @@ _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]));
 }