mesa: Generalize TexStorage allocator between swrast and intel.

This should be reusable for other non-gallium drivers, so we can make the
extension always be available.

v2: Add a more detailed comment than the old function had (recommended
    by Brian).

Reviewed-by: Brian Paul <[email protected]> (v1)

2 files changed, 2 insertions, 27 deletions

diff --git a/src/mesa/drivers/common/driverfuncs.c b/src/mesa/drivers/common/driverfuncs.c
index a98dfc607c5..9112eb08d93 100644
--- a/src/mesa/drivers/common/driverfuncs.c
+++ b/src/mesa/drivers/common/driverfuncs.c
@@ -40,6 +40,7 @@
 #include "main/texgetimage.h"
 #include "main/teximage.h"
 #include "main/texobj.h"
+#include "main/texstorage.h"
 #include "main/texstore.h"
 #include "main/bufferobj.h"
 #include "main/fbobject.h"
@@ -209,7 +210,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
    driver->EndCallList = NULL;
 
    /* GL_ARB_texture_storage */
-   driver->AllocTextureStorage = _swrast_AllocTextureStorage;
+   driver->AllocTextureStorage = _mesa_alloc_texture_storage;
 
    /* GL_ARB_texture_multisample */
    driver->GetSamplePosition = NULL;
diff --git a/src/mesa/drivers/dri/intel/intel_tex.c b/src/mesa/drivers/dri/intel/intel_tex.c
index 9bba9898b47..ee8db71372b 100644
--- a/src/mesa/drivers/dri/intel/intel_tex.c
+++ b/src/mesa/drivers/dri/intel/intel_tex.c
@@ -127,31 +127,6 @@ intel_alloc_texture_image_buffer(struct gl_context *ctx,
    return true;
 }
 
-/**
- * Called via ctx->Driver.AllocTextureStorage()
- * Just have to allocate memory for the texture images.
- */
-static GLboolean
-intel_alloc_texture_storage(struct gl_context *ctx,
-                            struct gl_texture_object *texObj,
-                            GLsizei levels, GLsizei width,
-                            GLsizei height, GLsizei depth)
-{
-   const int numFaces = _mesa_num_tex_faces(texObj->Target);
-   int face;
-   int level;
-
-   for (face = 0; face < numFaces; face++) {
-      for (level = 0; level < levels; level++) {
-         struct gl_texture_image *const texImage = texObj->Image[face][level];
-         if (!intel_alloc_texture_image_buffer(ctx, texImage))
-            return false;
-      }
-   }
-
-   return true;
-}
-
 static void
 intel_free_texture_image_buffer(struct gl_context * ctx,
 				struct gl_texture_image *texImage)
@@ -231,7 +206,6 @@ intelInitTextureFuncs(struct dd_function_table *functions)
    functions->DeleteTexture = intelDeleteTextureObject;
    functions->AllocTextureImageBuffer = intel_alloc_texture_image_buffer;
    functions->FreeTextureImageBuffer = intel_free_texture_image_buffer;
-   functions->AllocTextureStorage = intel_alloc_texture_storage;
    functions->MapTextureImage = intel_map_texture_image;
    functions->UnmapTextureImage = intel_unmap_texture_image;
 }