mesa: add ARB_texture_buffer_range glTextureBufferRangeEXT function
[mesa.git] / src / mesa / main / teximage.c
index 87187c2b7fbda68b60197de143921009c0f91bc0..bea5c9ae356440091eb0dd15ad8b446a257c86b7 100644 (file)
@@ -1277,7 +1277,7 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
  */
 GLboolean
 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target,
-                          GLuint numLevels, MAYBE_UNUSED GLint level,
+                          GLuint numLevels, ASSERTED GLint level,
                           mesa_format format, GLuint numSamples,
                           GLint width, GLint height, GLint depth)
 {
@@ -2205,6 +2205,15 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
       return GL_TRUE;
    }
 
+   if (!texture_formats_agree(texImage->InternalFormat, format)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(incompatible internalFormat = %s, format = %s)",
+                  callerName,
+                  _mesa_enum_to_string(texImage->InternalFormat),
+                  _mesa_enum_to_string(format));
+      return GL_TRUE;
+   }
+
    GLenum internalFormat = _mesa_is_gles(ctx) ?
       oes_float_internal_format(ctx, texImage->InternalFormat, type) :
       texImage->InternalFormat;
@@ -2979,14 +2988,18 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
 
    internalFormat = override_internal_format(internalFormat, width, height);
 
-   if (!no_error) {
-      /* target error checking */
-      if (!legal_teximage_target(ctx, dims, target)) {
-         _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)",
-                     func, dims, _mesa_enum_to_string(target));
-         return;
-      }
+   if (!no_error &&
+       /* target error checking */
+       !legal_teximage_target(ctx, dims, target)) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)",
+                  func, dims, _mesa_enum_to_string(target));
+      return;
+   }
 
+   if (!texObj)
+      texObj = _mesa_get_current_tex_object(ctx, target);
+
+   if (!no_error) {
       /* general error checking */
       if (compressed) {
          if (compressed_texture_error_check(ctx, dims, target, texObj,
@@ -3001,6 +3014,7 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
             return;
       }
    }
+   assert(texObj);
 
    /* Here we convert a cpal compressed image into a regular glTexImage2D
     * call by decompressing the texture.  If we really want to support cpal
@@ -3160,10 +3174,7 @@ teximage_err(struct gl_context *ctx, GLboolean compressed, GLuint dims,
              GLint border, GLenum format, GLenum type,
              GLsizei imageSize, const GLvoid *pixels)
 {
-   struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target);
-   assert(texObj);
-
-   teximage(ctx, compressed, dims, texObj, target, level, internalFormat, width, height,
+   teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
             depth, border, format, type, imageSize, pixels, false);
 }
 
@@ -3175,10 +3186,7 @@ teximage_no_error(struct gl_context *ctx, GLboolean compressed, GLuint dims,
                   GLint border, GLenum format, GLenum type,
                   GLsizei imageSize, const GLvoid *pixels)
 {
-   struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target);
-   assert(texObj);
-
-   teximage(ctx, compressed, dims, texObj, target, level, internalFormat, width, height,
+   teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
             depth, border, format, type, imageSize, pixels, true);
 }
 
@@ -3212,6 +3220,24 @@ _mesa_TextureImage1DEXT(GLuint texture, GLenum target, GLint level,
             width, 1, 1, border, format, type, 0, pixels, false);
 }
 
+void GLAPIENTRY
+_mesa_MultiTexImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                         GLint internalFormat, GLsizei width, GLint border,
+                         GLenum format, GLenum type, const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexImage1DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 1, texObj, target, level, internalFormat, width, 1, 1,
+                border, format, type, 0, pixels, false);
+}
+
 void GLAPIENTRY
 _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
                   GLsizei width, GLsizei height, GLint border,
@@ -3240,6 +3266,25 @@ _mesa_TextureImage2DEXT(GLuint texture, GLenum target, GLint level,
             width, height, 1, border, format, type, 0, pixels, false);
 }
 
+void GLAPIENTRY
+_mesa_MultiTexImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                         GLint internalFormat, GLsizei width, GLsizei height,
+                         GLint border,
+                         GLenum format, GLenum type, const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexImage2DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 2, texObj, target, level, internalFormat, width, height, 1,
+                border, format, type, 0, pixels, false);
+}
+
 /*
  * Called by the API or display list executor.
  * Note that width and height include the border.
@@ -3273,6 +3318,26 @@ _mesa_TextureImage3DEXT(GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_MultiTexImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                         GLint internalFormat, GLsizei width, GLsizei height,
+                         GLsizei depth, GLint border, GLenum format, GLenum type,
+                         const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexImage3DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 3, texObj, target, level, internalFormat,
+                width, height, depth, border, format, type, 0, pixels, false);
+}
+
+
 void GLAPIENTRY
 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
                      GLsizei width, GLsizei height, GLsizei depth,
@@ -3759,6 +3824,28 @@ _mesa_TextureSubImage1DEXT(GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_MultiTexSubImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                            GLint xoffset, GLsizei width,
+                            GLenum format, GLenum type,
+                            const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexImage1DEXT");
+   texImage = _mesa_select_tex_image(texObj, target, level);
+
+   texture_sub_image(ctx, 1, texObj, texImage, target, level,
+                     xoffset, 0, 0, width, 1, 1,
+                     format, type, pixels);
+}
+
+
 void GLAPIENTRY
 _mesa_TextureSubImage1D(GLuint texture, GLint level,
                         GLint xoffset, GLsizei width,
@@ -3798,6 +3885,28 @@ _mesa_TextureSubImage2DEXT(GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_MultiTexSubImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                            GLint xoffset, GLint yoffset, GLsizei width,
+                            GLsizei height, GLenum format, GLenum type,
+                            const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexImage2DEXT");
+   texImage = _mesa_select_tex_image(texObj, target, level);
+
+   texture_sub_image(ctx, 2, texObj, texImage, target, level,
+                     xoffset, yoffset, 0, width, height, 1,
+                     format, type, pixels);
+}
+
+
 void GLAPIENTRY
 _mesa_TextureSubImage2D(GLuint texture, GLint level,
                         GLint xoffset, GLint yoffset,
@@ -3824,6 +3933,7 @@ _mesa_TextureSubImage3D_no_error(GLuint texture, GLint level, GLint xoffset,
                             pixels, "glTextureSubImage3D", false);
 }
 
+
 void GLAPIENTRY
 _mesa_TextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
                            GLint xoffset, GLint yoffset, GLint zoffset,
@@ -3836,6 +3946,29 @@ _mesa_TextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
                          pixels, "glTextureSubImage3DEXT", true);
 }
 
+
+void GLAPIENTRY
+_mesa_MultiTexSubImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                           GLint xoffset, GLint yoffset, GLint zoffset,
+                           GLsizei width, GLsizei height, GLsizei depth,
+                           GLenum format, GLenum type, const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexImage3DEXT");
+   texImage = _mesa_select_tex_image(texObj, target, level);
+
+   texture_sub_image(ctx, 3, texObj, texImage, target, level,
+                     xoffset, yoffset, zoffset, width, height, depth,
+                     format, type, pixels);
+}
+
+
 void GLAPIENTRY
 _mesa_TextureSubImage3D(GLuint texture, GLint level,
                         GLint xoffset, GLint yoffset, GLint zoffset,
@@ -4258,6 +4391,25 @@ _mesa_CopyTextureImage1DEXT( GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyMultiTexImage1DEXT( GLenum texunit, GLenum target, GLint level,
+                              GLenum internalFormat,
+                              GLint x, GLint y,
+                              GLsizei width, GLint border )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object* texObj =
+      _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                             texunit - GL_TEXTURE0,
+                                             false,
+                                             "glCopyMultiTexImage1DEXT");
+   if (!texObj)
+      return;
+   copyteximage(ctx, 1, texObj, target, level, internalFormat, x, y, width, 1,
+                border, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
                       GLint x, GLint y, GLsizei width, GLsizei height,
@@ -4287,6 +4439,25 @@ _mesa_CopyTextureImage2DEXT( GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyMultiTexImage2DEXT( GLenum texunit, GLenum target, GLint level,
+                              GLenum internalFormat,
+                              GLint x, GLint y,
+                              GLsizei width, GLsizei height, GLint border )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object* texObj =
+      _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                             texunit - GL_TEXTURE0,
+                                             false,
+                                             "glCopyMultiTexImage2DEXT");
+   if (!texObj)
+      return;
+   copyteximage(ctx, 2, texObj, target, level, internalFormat, x, y, width, height,
+                border, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CopyTexImage1D_no_error(GLenum target, GLint level, GLenum internalFormat,
                               GLint x, GLint y, GLsizei width, GLint border)
@@ -4437,6 +4608,25 @@ _mesa_CopyTextureSubImage1DEXT(GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyMultiTexSubImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                                GLint xoffset, GLint x, GLint y, GLsizei width)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyMultiTexSubImage1DEXT";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false, self);
+   if (!texObj)
+      return;
+
+   copy_texture_sub_image_err(ctx, 1, texObj, texObj->Target, level, xoffset, 0,
+                              0, x, y, width, 1, self);
+}
+
+
 void GLAPIENTRY
 _mesa_CopyTextureSubImage2D(GLuint texture, GLint level,
                             GLint xoffset, GLint yoffset,
@@ -4487,6 +4677,25 @@ _mesa_CopyTextureSubImage2DEXT(GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyMultiTexSubImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                               GLint xoffset, GLint yoffset,
+                               GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyMultiTexSubImage2DEXT";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false, self);
+   if (!texObj)
+      return;
+
+   copy_texture_sub_image_err(ctx, 2, texObj, texObj->Target, level, xoffset,
+                              yoffset, 0, x, y, width, height, self);
+}
+
 void GLAPIENTRY
 _mesa_CopyTextureSubImage3D(GLuint texture, GLint level,
                             GLint xoffset, GLint yoffset, GLint zoffset,
@@ -4553,6 +4762,34 @@ _mesa_CopyTextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyMultiTexSubImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                                GLint xoffset, GLint yoffset, GLint zoffset,
+                                GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyMultiTexSubImage3D";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false, self);
+   if (!texObj)
+      return;
+
+   if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
+      /* Act like CopyTexSubImage2D */
+      copy_texture_sub_image_err(ctx, 2, texObj,
+                                GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
+                                level, xoffset, yoffset, 0, x, y, width, height,
+                                self);
+   }
+   else
+      copy_texture_sub_image_err(ctx, 3, texObj, texObj->Target, level, xoffset,
+                                 yoffset, zoffset, x, y, width, height, self);
+}
+
+
 void GLAPIENTRY
 _mesa_CopyTexSubImage1D_no_error(GLenum target, GLint level, GLint xoffset,
                                  GLint x, GLint y, GLsizei width)
@@ -5131,6 +5368,44 @@ _mesa_CompressedTexImage1D(GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CompressedTextureImage1DEXT(GLuint texture, GLenum target, GLint level,
+                                  GLenum internalFormat, GLsizei width,
+                                  GLint border, GLsizei imageSize,
+                                  const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glCompressedTextureImage1DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 1, texObj, target, level, internalFormat,
+            width, 1, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                                   GLenum internalFormat, GLsizei width,
+                                   GLint border, GLsizei imageSize,
+                                   const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glCompressedMultiTexImage1DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 1, texObj, target, level, internalFormat,
+            width, 1, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CompressedTexImage2D(GLenum target, GLint level,
                               GLenum internalFormat, GLsizei width,
@@ -5143,6 +5418,44 @@ _mesa_CompressedTexImage2D(GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CompressedTextureImage2DEXT(GLuint texture, GLenum target, GLint level,
+                                  GLenum internalFormat, GLsizei width,
+                                  GLsizei height, GLint border, GLsizei imageSize,
+                                  const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glCompressedTextureImage2DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 2, texObj, target, level, internalFormat,
+            width, height, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                                   GLenum internalFormat, GLsizei width,
+                                   GLsizei height, GLint border, GLsizei imageSize,
+                                   const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glCompressedMultiTexImage2DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 2, texObj, target, level, internalFormat,
+            width, height, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CompressedTexImage3D(GLenum target, GLint level,
                               GLenum internalFormat, GLsizei width,
@@ -5155,6 +5468,44 @@ _mesa_CompressedTexImage3D(GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CompressedTextureImage3DEXT(GLuint texture, GLenum target, GLint level,
+                                  GLenum internalFormat, GLsizei width,
+                                  GLsizei height, GLsizei depth, GLint border,
+                                  GLsizei imageSize, const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glCompressedTextureImage3DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 3, texObj, target, level, internalFormat,
+            width, height, depth, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                                   GLenum internalFormat, GLsizei width,
+                                   GLsizei height, GLsizei depth, GLint border,
+                                   GLsizei imageSize, const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glCompressedMultiTexImage3DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 3, texObj, target, level, internalFormat,
+            width, height, depth, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CompressedTexImage1D_no_error(GLenum target, GLint level,
                                     GLenum internalFormat, GLsizei width,
@@ -5225,50 +5576,80 @@ compressed_texture_sub_image(struct gl_context *ctx, GLuint dims,
 }
 
 
-static ALWAYS_INLINE void
-compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture,
+enum tex_mode {
+   /* Use bound texture to current unit */
+   TEX_MODE_CURRENT_NO_ERROR = 0,
+   TEX_MODE_CURRENT_ERROR,
+   /* Use the specified texture name */
+   TEX_MODE_DSA_NO_ERROR,
+   TEX_MODE_DSA_ERROR,
+   /* Use the specified texture name + target */
+   TEX_MODE_EXT_DSA_TEXTURE,
+   /* Use the specified texture unit + target */
+   TEX_MODE_EXT_DSA_TEXUNIT,
+};
+
+
+static void
+compressed_tex_sub_image(unsigned dim, GLenum target, GLuint textureOrIndex,
                          GLint level, GLint xoffset, GLint yoffset,
                          GLint zoffset, GLsizei width, GLsizei height,
                          GLsizei depth, GLenum format, GLsizei imageSize,
-                         const GLvoid *data, bool dsa, bool ext_dsa,
-                         bool no_error, const char *caller)
+                         const GLvoid *data, enum tex_mode mode,
+                         const char *caller)
 {
    struct gl_texture_object *texObj = NULL;
    struct gl_texture_image *texImage;
-
+   bool no_error = false;
    GET_CURRENT_CONTEXT(ctx);
 
-   if (dsa) {
-      if (no_error) {
-         texObj = _mesa_lookup_texture(ctx, texture);
-         target = texObj->Target;
-      } else {
-         if (!ext_dsa) {
-            texObj = _mesa_lookup_texture_err(ctx, texture, caller);
-            if (!texObj)
-               return;
-
+   switch (mode) {
+      case TEX_MODE_DSA_ERROR:
+         assert(target == 0);
+         texObj = _mesa_lookup_texture_err(ctx, textureOrIndex, caller);
+         if (texObj)
             target = texObj->Target;
-         } else {
-            texObj = lookup_texture_ext_dsa(ctx, target, texture, caller);
-            if (!texObj)
-               return;
-         }
-      }
+         break;
+      case TEX_MODE_DSA_NO_ERROR:
+         assert(target == 0);
+         texObj = _mesa_lookup_texture(ctx, textureOrIndex);
+         if (texObj)
+            target = texObj->Target;
+         no_error = true;
+         break;
+      case TEX_MODE_EXT_DSA_TEXTURE:
+         texObj = _mesa_lookup_or_create_texture(ctx, target, textureOrIndex,
+                                                 false, true, caller);
+         break;
+      case TEX_MODE_EXT_DSA_TEXUNIT:
+         texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                         textureOrIndex,
+                                                         false,
+                                                         caller);
+         break;
+      case TEX_MODE_CURRENT_NO_ERROR:
+         no_error = true;
+      case TEX_MODE_CURRENT_ERROR:
+      default:
+         assert(textureOrIndex == 0);
+         break;
    }
 
    if (!no_error &&
-       compressed_subtexture_target_check(ctx, target, dim, format, dsa,
+       compressed_subtexture_target_check(ctx, target, dim, format,
+                                          mode == TEX_MODE_DSA_ERROR,
                                           caller)) {
       return;
    }
 
-   if (!dsa) {
+   if (mode == TEX_MODE_CURRENT_NO_ERROR ||
+       mode == TEX_MODE_CURRENT_ERROR) {
       texObj = _mesa_get_current_tex_object(ctx, target);
-         if (!no_error && !texObj)
-            return;
    }
 
+   if (!texObj)
+      return;
+
    if (!no_error &&
        compressed_subtexture_error_check(ctx, dim, texObj, target, level,
                                          xoffset, yoffset, zoffset, width,
@@ -5278,7 +5659,9 @@ compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture,
    }
 
    /* Must handle special case GL_TEXTURE_CUBE_MAP. */
-   if (dim == 3 && dsa && texObj->Target == GL_TEXTURE_CUBE_MAP) {
+   if (dim == 3 &&
+       (mode == TEX_MODE_DSA_ERROR || mode == TEX_MODE_DSA_NO_ERROR) &&
+       texObj->Target == GL_TEXTURE_CUBE_MAP) {
       const char *pixels = data;
       GLint image_stride;
 
@@ -5320,31 +5703,6 @@ compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture,
    }
 }
 
-static void
-compressed_tex_sub_image_error(unsigned dim, GLenum target, GLuint texture,
-                               GLint level, GLint xoffset, GLint yoffset,
-                               GLint zoffset, GLsizei width, GLsizei height,
-                               GLsizei depth, GLenum format, GLsizei imageSize,
-                               const GLvoid *data, bool dsa, bool ext_dsa,
-                               const char *caller)
-{
-   compressed_tex_sub_image(dim, target, texture, level, xoffset, yoffset,
-                            zoffset, width, height, depth, format, imageSize,
-                            data, dsa, ext_dsa, false, caller);
-}
-
-static void
-compressed_tex_sub_image_no_error(unsigned dim, GLenum target, GLuint texture,
-                                  GLint level, GLint xoffset, GLint yoffset,
-                                  GLint zoffset, GLsizei width, GLsizei height,
-                                  GLsizei depth, GLenum format, GLsizei imageSize,
-                                  const GLvoid *data, bool dsa, bool ext_dsa,
-                                  const char *caller)
-{
-   compressed_tex_sub_image(dim, target, texture, level, xoffset, yoffset,
-                            zoffset, width, height, depth, format, imageSize,
-                            data, dsa, ext_dsa, true, caller);
-}
 
 void GLAPIENTRY
 _mesa_CompressedTexSubImage1D_no_error(GLenum target, GLint level,
@@ -5352,9 +5710,11 @@ _mesa_CompressedTexSubImage1D_no_error(GLenum target, GLint level,
                                        GLenum format, GLsizei imageSize,
                                        const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(1, target, 0, level, xoffset, 0, 0, width,
-                                     1, 1, format, imageSize, data, false,
-                                     false, "glCompressedTexSubImage1D");
+   compressed_tex_sub_image(1, target, 0,
+                            level, xoffset, 0, 0, width,
+                            1, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_NO_ERROR,
+                            "glCompressedTexSubImage1D");
 }
 
 
@@ -5363,9 +5723,11 @@ _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset,
                               GLsizei width, GLenum format,
                               GLsizei imageSize, const GLvoid *data)
 {
-   compressed_tex_sub_image_error(1, target, 0, level, xoffset, 0, 0, width, 1,
-                                  1, format, imageSize, data, false, false,
-                                  "glCompressedTexSubImage1D");
+   compressed_tex_sub_image(1, target, 0,
+                            level, xoffset, 0, 0, width,
+                            1, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_ERROR,
+                            "glCompressedTexSubImage1D");
 }
 
 
@@ -5375,10 +5737,11 @@ _mesa_CompressedTextureSubImage1D_no_error(GLuint texture, GLint level,
                                            GLenum format, GLsizei imageSize,
                                            const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(1, 0, texture, level, xoffset, 0, 0,
-                                     width, 1, 1, format, imageSize, data,
-                                     true, false,
-                                     "glCompressedTextureSubImage1D");
+   compressed_tex_sub_image(1, 0, texture,
+                            level, xoffset, 0, 0,
+                            width, 1, 1, format, imageSize, data,
+                            TEX_MODE_DSA_NO_ERROR,
+                            "glCompressedTextureSubImage1D");
 }
 
 
@@ -5387,9 +5750,39 @@ _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset,
                                   GLsizei width, GLenum format,
                                   GLsizei imageSize, const GLvoid *data)
 {
-   compressed_tex_sub_image_error(1, 0, texture, level, xoffset, 0, 0, width,
-                                  1, 1, format, imageSize, data, true, false,
-                                  "glCompressedTextureSubImage1D");
+   compressed_tex_sub_image(1, 0, texture,
+                            level, xoffset, 0, 0,
+                            width, 1, 1, format, imageSize, data,
+                            TEX_MODE_DSA_ERROR,
+                            "glCompressedTextureSubImage1D");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTextureSubImage1DEXT(GLuint texture, GLenum target,
+                                     GLint level, GLint xoffset,
+                                     GLsizei width, GLenum format,
+                                     GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(1, target, texture, level, xoffset, 0,
+                            0, width, 1, 1, format, imageSize,
+                            data,
+                            TEX_MODE_EXT_DSA_TEXTURE,
+                            "glCompressedTextureSubImage1DEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexSubImage1DEXT(GLenum texunit, GLenum target,
+                                      GLint level, GLint xoffset,
+                                      GLsizei width, GLenum format,
+                                      GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(1, target, texunit - GL_TEXTURE0, level,
+                            xoffset, 0, 0, width, 1, 1, format, imageSize,
+                            data,
+                            TEX_MODE_EXT_DSA_TEXUNIT,
+                            "glCompressedMultiTexSubImage1DEXT");
 }
 
 
@@ -5400,10 +5793,11 @@ _mesa_CompressedTexSubImage2D_no_error(GLenum target, GLint level,
                                        GLenum format, GLsizei imageSize,
                                        const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(2, target, 0, level, xoffset, yoffset, 0,
-                                     width, height, 1, format, imageSize, data,
-                                     false, false,
-                                     "glCompressedTexSubImage2D");
+   compressed_tex_sub_image(2, target, 0, level,
+                            xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_NO_ERROR,
+                            "glCompressedTexSubImage2D");
 }
 
 
@@ -5413,10 +5807,11 @@ _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset,
                               GLenum format, GLsizei imageSize,
                               const GLvoid *data)
 {
-   compressed_tex_sub_image_error(2, target, 0, level, xoffset, yoffset, 0,
-                                  width, height, 1, format, imageSize, data,
-                                  false, false,
-                                  "glCompressedTexSubImage2D");
+   compressed_tex_sub_image(2, target, 0, level,
+                            xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_ERROR,
+                            "glCompressedTexSubImage2D");
 }
 
 
@@ -5427,10 +5822,25 @@ _mesa_CompressedTextureSubImage2DEXT(GLuint texture, GLenum target,
                                      GLsizei height, GLenum format,
                                      GLsizei imageSize, const GLvoid *data)
 {
-   compressed_tex_sub_image_error(2, target, texture, level, xoffset, yoffset,
-                                  0, width, height, 1, format, imageSize,
-                                  data, true, true,
-                                  "glCompressedTextureSubImage2DEXT");
+   compressed_tex_sub_image(2, target, texture, level, xoffset,
+                            yoffset, 0, width, height, 1, format,
+                            imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXTURE,
+                            "glCompressedTextureSubImage2DEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexSubImage2DEXT(GLenum texunit, GLenum target,
+                                      GLint level, GLint xoffset, GLint yoffset,
+                                      GLsizei width, GLsizei height, GLenum format,
+                                      GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(2, target, texunit - GL_TEXTURE0, level,
+                            xoffset, yoffset, 0, width, height, 1, format,
+                            imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXUNIT,
+                            "glCompressedMultiTexSubImage2DEXT");
 }
 
 
@@ -5441,10 +5851,10 @@ _mesa_CompressedTextureSubImage2D_no_error(GLuint texture, GLint level,
                                            GLenum format, GLsizei imageSize,
                                            const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(2, 0, texture, level, xoffset, yoffset, 0,
-                                     width, height, 1, format, imageSize, data,
-                                     true, false,
-                                     "glCompressedTextureSubImage2D");
+   compressed_tex_sub_image(2, 0, texture, level, xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_DSA_NO_ERROR,
+                            "glCompressedTextureSubImage2D");
 }
 
 
@@ -5455,10 +5865,10 @@ _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset,
                                   GLenum format, GLsizei imageSize,
                                   const GLvoid *data)
 {
-   compressed_tex_sub_image_error(2, 0, texture, level, xoffset, yoffset, 0,
-                                  width, height, 1, format, imageSize, data,
-                                  true, false,
-                                  "glCompressedTextureSubImage2D");
+   compressed_tex_sub_image(2, 0, texture, level, xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_DSA_ERROR,
+                            "glCompressedTextureSubImage2D");
 }
 
 void GLAPIENTRY
@@ -5469,10 +5879,11 @@ _mesa_CompressedTexSubImage3D_no_error(GLenum target, GLint level,
                                        GLenum format, GLsizei imageSize,
                                        const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(3, target, 0, level, xoffset, yoffset,
-                                     zoffset, width, height, depth, format,
-                                     imageSize, data, false, false,
-                                     "glCompressedTexSubImage3D");
+   compressed_tex_sub_image(3, target, 0, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_CURRENT_NO_ERROR,
+                            "glCompressedTexSubImage3D");
 }
 
 void GLAPIENTRY
@@ -5481,10 +5892,11 @@ _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset,
                               GLsizei height, GLsizei depth, GLenum format,
                               GLsizei imageSize, const GLvoid *data)
 {
-   compressed_tex_sub_image_error(3, target, 0, level, xoffset, yoffset,
-                                  zoffset, width, height, depth, format,
-                                  imageSize, data, false, false,
-                                  "glCompressedTexSubImage3D");
+   compressed_tex_sub_image(3, target, 0, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_CURRENT_ERROR,
+                            "glCompressedTexSubImage3D");
 }
 
 void GLAPIENTRY
@@ -5495,10 +5907,11 @@ _mesa_CompressedTextureSubImage3D_no_error(GLuint texture, GLint level,
                                            GLenum format, GLsizei imageSize,
                                            const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(3, 0, texture, level, xoffset, yoffset,
-                                     zoffset, width, height, depth, format,
-                                     imageSize, data, true,  false,
-                                     "glCompressedTextureSubImage3D");
+   compressed_tex_sub_image(3, 0, texture, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_DSA_NO_ERROR,
+                            "glCompressedTextureSubImage3D");
 }
 
 void GLAPIENTRY
@@ -5508,12 +5921,45 @@ _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset,
                                   GLenum format, GLsizei imageSize,
                                   const GLvoid *data)
 {
-   compressed_tex_sub_image_error(3, 0, texture, level, xoffset, yoffset,
-                                  zoffset, width, height, depth, format,
-                                  imageSize, data, true, false,
-                                  "glCompressedTextureSubImage3D");
+   compressed_tex_sub_image(3, 0, texture, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_DSA_ERROR,
+                            "glCompressedTextureSubImage3D");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTextureSubImage3DEXT(GLuint texture, GLenum target,
+                                     GLint level, GLint xoffset,
+                                     GLint yoffset, GLint zoffset,
+                                     GLsizei width, GLsizei height,
+                                     GLsizei depth, GLenum format,
+                                     GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(3, target, texture, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXTURE,
+                            "glCompressedTextureSubImage3DEXT");
 }
 
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexSubImage3DEXT(GLenum texunit, GLenum target,
+                                      GLint level, GLint xoffset, GLint yoffset,
+                                      GLint zoffset, GLsizei width, GLsizei height,
+                                      GLsizei depth, GLenum format,
+                                      GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(3, target, texunit - GL_TEXTURE0, level,
+                            xoffset, yoffset, zoffset, width, height, depth,
+                            format, imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXUNIT,
+                            "glCompressedMultiTexSubImage3DEXT");
+}
+
+
 mesa_format
 _mesa_get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
 {
@@ -5560,9 +6006,9 @@ _mesa_get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
       case GL_LUMINANCE32UI_EXT:
          return MESA_FORMAT_L_UINT32;
       case GL_LUMINANCE8_ALPHA8:
-         return MESA_FORMAT_L8A8_UNORM;
+         return MESA_FORMAT_LA_UNORM8;
       case GL_LUMINANCE16_ALPHA16:
-         return MESA_FORMAT_L16A16_UNORM;
+         return MESA_FORMAT_LA_UNORM16;
       case GL_LUMINANCE_ALPHA16F_ARB:
          return MESA_FORMAT_LA_FLOAT16;
       case GL_LUMINANCE_ALPHA32F_ARB:
@@ -5643,11 +6089,11 @@ _mesa_get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
       return MESA_FORMAT_RGBA_UINT32;
 
    case GL_RG8:
-      return MESA_FORMAT_R8G8_UNORM;
+      return MESA_FORMAT_RG_UNORM8;
    case GL_RG16:
       if (_mesa_is_gles(ctx) && !_mesa_has_EXT_texture_norm16(ctx))
          return MESA_FORMAT_NONE;
-      return MESA_FORMAT_R16G16_UNORM;
+      return MESA_FORMAT_RG_UNORM16;
    case GL_RG16F:
       return MESA_FORMAT_RG_FLOAT16;
    case GL_RG32F:
@@ -5955,6 +6401,52 @@ _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer,
                         offset, size, "glTexBufferRange");
 }
 
+
+/** GL_ARB_texture_buffer_range + GL_EXT_direct_state_access */
+void GLAPIENTRY
+_mesa_TextureBufferRangeEXT(GLuint texture, GLenum target, GLenum internalFormat,
+                            GLuint buffer, GLintptr offset, GLsizeiptr size)
+{
+   struct gl_texture_object *texObj;
+   struct gl_buffer_object *bufObj;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureBufferRangeEXT");
+   if (!texObj)
+      return;
+
+   if (!check_texture_buffer_target(ctx, target, "glTextureBufferRangeEXT"))
+      return;
+
+   if (buffer) {
+      bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBufferRangeEXT");
+      if (!bufObj)
+         return;
+
+      if (!check_texture_buffer_range(ctx, bufObj, offset, size,
+          "glTextureBufferRangeEXT"))
+         return;
+
+   } else {
+      /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
+       * Textures (PDF page 254):
+       *    "If buffer is zero, then any buffer object attached to the buffer
+       *    texture is detached, the values offset and size are ignored and
+       *    the state for offset and size for the buffer texture are reset to
+       *    zero."
+       */
+      offset = 0;
+      size = 0;
+      bufObj = NULL;
+   }
+
+   texture_buffer_range(ctx, texObj, internalFormat, bufObj,
+                        offset, size, "glTextureBufferRangeEXT");
+}
+
+
 void GLAPIENTRY
 _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer)
 {
@@ -5982,6 +6474,65 @@ _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer)
                         bufObj, 0, buffer ? -1 : 0, "glTextureBuffer");
 }
 
+void GLAPIENTRY
+_mesa_TextureBufferEXT(GLuint texture, GLenum target,
+                       GLenum internalFormat, GLuint buffer)
+{
+   struct gl_texture_object *texObj;
+   struct gl_buffer_object *bufObj;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (buffer) {
+      bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer");
+      if (!bufObj)
+         return;
+   } else
+      bufObj = NULL;
+
+   /* Get the texture object by Name. */
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture,
+                                           false, true,
+                                           "glTextureBufferEXT");
+
+   if (!texObj ||
+       !check_texture_buffer_target(ctx, texObj->Target, "glTextureBufferEXT"))
+      return;
+
+   texture_buffer_range(ctx, texObj, internalFormat,
+                        bufObj, 0, buffer ? -1 : 0, "glTextureBufferEXT");
+}
+
+void GLAPIENTRY
+_mesa_MultiTexBufferEXT(GLenum texunit, GLenum target,
+                        GLenum internalFormat, GLuint buffer)
+{
+   struct gl_texture_object *texObj;
+   struct gl_buffer_object *bufObj;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (buffer) {
+      bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glMultiTexBufferEXT");
+      if (!bufObj)
+         return;
+   } else
+      bufObj = NULL;
+
+   /* Get the texture object */
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexBufferEXT");
+
+   if (!texObj ||
+       !check_texture_buffer_target(ctx, texObj->Target, "glMultiTexBufferEXT"))
+      return;
+
+   texture_buffer_range(ctx, texObj, internalFormat,
+                        bufObj, 0, buffer ? -1 : 0, "glMultiTexBufferEXT");
+}
+
 void GLAPIENTRY
 _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer,
                          GLintptr offset, GLsizeiptr size)