[Mesa-dev] [PATCH 2/2] i965: Enhance tiled_memcpy to support all levels

[Courtney Goeltzenleuchter]

Support all levels of a supported texture format.

Signed-off-by: Courtney Goeltzenleuchter <courtney at LunarG.com>
---
 src/mesa/drivers/dri/i965/intel_tex_subimage.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/intel_tex_subimage.c b/src/mesa/drivers/dri/i965/intel_tex_subimage.c
index b1826fa..b32af3d 100644
--- a/src/mesa/drivers/dri/i965/intel_tex_subimage.c
+++ b/src/mesa/drivers/dri/i965/intel_tex_subimage.c
@@ -543,7 +543,7 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx,
    uint32_t cpp;
    mem_copy_fn mem_copy = NULL;
 
-   /* This fastpath is restricted to specific texture types: level 0 of
+   /* This fastpath is restricted to specific texture types:
     * a 2D BGRA, RGBA, L8 or A8 texture. It could be generalized to support
     * more types.
     *
@@ -555,7 +555,6 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx,
    if (!brw->has_llc ||
        type != GL_UNSIGNED_BYTE ||
        texImage->TexObject->Target != GL_TEXTURE_2D ||
-       texImage->Level != 0 ||
        pixels == NULL ||
        _mesa_is_bufferobj(packing->BufferObj) ||
        packing->Alignment > 4 ||
@@ -572,7 +571,7 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx,
       cpp = 1;
       mem_copy = memcpy;
    } else if ((texImage->TexFormat == MESA_FORMAT_ARGB8888)
-         || (texImage->TexFormat == MESA_FORMAT_XRGB8888)) {
+        || (texImage->TexFormat == MESA_FORMAT_XRGB8888)) {
       cpp = 4;
       if (format == GL_BGRA) {
          mem_copy = memcpy;
@@ -631,6 +630,11 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx,
        packing->Alignment, packing->RowLength, packing->SkipPixels,
        packing->SkipRows, for_glTexImage);
 
+   /* Adjust x and y offset based on miplevel
+    */
+   xoffset += image->mt->level[texImage->Level].level_x;
+   yoffset += image->mt->level[texImage->Level].level_y;
+
    linear_to_tiled(
       xoffset * cpp, (xoffset + width) * cpp,
       yoffset, yoffset + height,
-- 
1.8.1.2