i965: Be a bit more conservative about certain resolves

There are several places where we were resolving the entire miptree
when we really only needed to resolve a single slice.  Let's avoid the
unneeded resolving.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>

src/mesa/drivers/dri/i965/intel_pixel_bitmap.c

@@ -256,7 +256,8 @@ do_blit_bitmap( struct gl_context *ctx,
    /* The blitter has no idea about fast color clears, so we need to resolve
     * the miptree before we do anything.
     */
-   intel_miptree_all_slices_resolve_color(brw, irb->mt, 0);
+   intel_miptree_resolve_color(brw, irb->mt, irb->mt_level, 1,
+                               irb->mt_layer, 1, 0);
 
    /* Chop it all into chunks that can be digested by hardware: */
    for (py = 0; py < height; py += DY) {

src/mesa/drivers/dri/i965/intel_pixel_read.c

@@ -147,7 +147,8 @@ intel_readpixels_tiled_memcpy(struct gl_context * ctx,
    /* Since we are going to read raw data to the miptree, we need to resolve
     * any pending fast color clears before we start.
     */
-   intel_miptree_all_slices_resolve_color(brw, irb->mt, 0);
+   intel_miptree_resolve_color(brw, irb->mt, irb->mt_level, 1,
+                               irb->mt_layer, 1, 0);
 
    bo = irb->mt->bo;
 

src/mesa/drivers/dri/i965/intel_tex_image.c

@@ -533,10 +533,13 @@ intel_gettexsubimage_tiled_memcpy(struct gl_context *ctx,
    if (brw->gen < 5 && brw->has_swizzling)
       return false;
 
+   int level = texImage->Level + texImage->TexObject->MinLevel;
+
    /* Since we are going to write raw data to the miptree, we need to resolve
     * any pending fast color clears before we start.
     */
-   intel_miptree_all_slices_resolve_color(brw, image->mt, 0);
+   assert(image->mt->logical_depth0 == 1);
+   intel_miptree_resolve_color(brw, image->mt, level, 1, 0, 1, 0);
 
    bo = image->mt->bo;
 
@@ -561,8 +564,6 @@ intel_gettexsubimage_tiled_memcpy(struct gl_context *ctx,
        packing->Alignment, packing->RowLength, packing->SkipPixels,
        packing->SkipRows);
 
-   int level = texImage->Level + texImage->TexObject->MinLevel;
-
    /* Adjust x and y offset based on miplevel */
    xoffset += image->mt->level[level].level_x;
    yoffset += image->mt->level[level].level_y;

src/mesa/drivers/dri/i965/intel_tex_subimage.c

@@ -145,10 +145,13 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx,
    if (brw->gen < 5 && brw->has_swizzling)
       return false;
 
+   int level = texImage->Level + texImage->TexObject->MinLevel;
+
    /* Since we are going to write raw data to the miptree, we need to resolve
     * any pending fast color clears before we start.
     */
-   intel_miptree_all_slices_resolve_color(brw, image->mt, 0);
+   assert(image->mt->logical_depth0 == 1);
+   intel_miptree_resolve_color(brw, image->mt, level, 1, 0, 1, 0);
 
    bo = image->mt->bo;
 
@@ -177,8 +180,6 @@ intel_texsubimage_tiled_memcpy(struct gl_context * ctx,
        packing->Alignment, packing->RowLength, packing->SkipPixels,
        packing->SkipRows, for_glTexImage);
 
-   int level = texImage->Level + texImage->TexObject->MinLevel;
-
    /* Adjust x and y offset based on miplevel */
    xoffset += image->mt->level[level].level_x;
    yoffset += image->mt->level[level].level_y;