summaryrefslogtreecommitdiffstats
path: root/src/mesa
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_tex_layout.c106
-rw-r--r--src/mesa/drivers/dri/i965/intel_mipmap_tree.h18
2 files changed, 84 insertions, 40 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index 440ba6c2ca4..d1ac3ed53b1 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -263,6 +263,66 @@ brw_miptree_layout_2d(struct intel_mipmap_tree *mt)
}
}
+unsigned
+brw_miptree_get_horizontal_slice_pitch(const struct brw_context *brw,
+ const struct intel_mipmap_tree *mt,
+ unsigned level)
+{
+ assert(brw->gen < 9);
+
+ if (mt->target == GL_TEXTURE_3D ||
+ (brw->gen == 4 && mt->target == GL_TEXTURE_CUBE_MAP)) {
+ return ALIGN(minify(mt->physical_width0, level), mt->align_w);
+ } else {
+ return 0;
+ }
+}
+
+unsigned
+brw_miptree_get_vertical_slice_pitch(const struct brw_context *brw,
+ const struct intel_mipmap_tree *mt,
+ unsigned level)
+{
+ if (brw->gen >= 9) {
+ /* ALL_SLICES_AT_EACH_LOD isn't supported on Gen8+ but this code will
+ * effectively end up with a packed qpitch anyway whenever
+ * mt->first_level == mt->last_level.
+ */
+ assert(mt->array_layout != ALL_SLICES_AT_EACH_LOD);
+
+ /* On Gen9 we can pick whatever qpitch we like as long as it's aligned
+ * to the vertical alignment so we don't need to add any extra rows.
+ */
+ unsigned qpitch = mt->total_height;
+
+ /* If the surface might be used as a stencil buffer or HiZ buffer then
+ * it needs to be a multiple of 8.
+ */
+ const GLenum base_format = _mesa_get_format_base_format(mt->format);
+ if (_mesa_is_depth_or_stencil_format(base_format))
+ qpitch = ALIGN(qpitch, 8);
+
+ /* 3D textures need to be aligned to the tile height. At this point we
+ * don't know which tiling will be used so let's just align it to 32
+ */
+ if (mt->target == GL_TEXTURE_3D)
+ qpitch = ALIGN(qpitch, 32);
+
+ return qpitch;
+
+ } else if (mt->target == GL_TEXTURE_3D ||
+ (brw->gen == 4 && mt->target == GL_TEXTURE_CUBE_MAP) ||
+ mt->array_layout == ALL_SLICES_AT_EACH_LOD) {
+ return ALIGN(minify(mt->physical_height0, level), mt->align_h);
+
+ } else {
+ const unsigned h0 = ALIGN(mt->physical_height0, mt->align_h);
+ const unsigned h1 = ALIGN(minify(mt->physical_height0, 1), mt->align_h);
+
+ return h0 + h1 + (brw->gen >= 7 ? 12 : 11) * mt->align_h;
+ }
+}
+
static void
align_cube(struct intel_mipmap_tree *mt)
{
@@ -318,47 +378,13 @@ brw_miptree_layout_texture_array(struct brw_context *brw,
* this case it's always 64). The vertical alignment is ignored.
*/
mt->qpitch = mt->total_width;
- } else if (brw->gen >= 9) {
- GLenum base_format;
-
- /* ALL_SLICES_AT_EACH_LOD isn't supported on Gen8+ but this code will
- * effectively end up with a packed qpitch anyway whenever
- * mt->first_level == mt->last_level.
- */
- assert(mt->array_layout != ALL_SLICES_AT_EACH_LOD);
-
- /* On Gen9 we can pick whatever qpitch we like as long as it's aligned
- * to the vertical alignment so we don't need to add any extra rows.
- */
- mt->qpitch = mt->total_height;
-
- /* If the surface might be used as a stencil buffer or HiZ buffer then
- * it needs to be a multiple of 8.
- */
- base_format = _mesa_get_format_base_format(mt->format);
- if (_mesa_is_depth_or_stencil_format(base_format))
- mt->qpitch = ALIGN(mt->qpitch, 8);
-
- /* 3D textures need to be aligned to the tile height. At this point we
- * don't know which tiling will be used so let's just align it to 32
- */
- if (mt->target == GL_TEXTURE_3D)
- mt->qpitch = ALIGN(mt->qpitch, 32);
-
- /* Unlike previous generations the qpitch is now a multiple of the
- * compressed block size so physical_qpitch matches mt->qpitch.
- */
- physical_qpitch = mt->qpitch;
} else {
- int h0 = ALIGN(mt->physical_height0, mt->align_h);
- int h1 = ALIGN(minify(mt->physical_height0, 1), mt->align_h);
-
- if (mt->array_layout == ALL_SLICES_AT_EACH_LOD)
- mt->qpitch = h0;
- else
- mt->qpitch = (h0 + h1 + (brw->gen >= 7 ? 12 : 11) * mt->align_h);
-
- physical_qpitch = mt->compressed ? mt->qpitch / 4 : mt->qpitch;
+ mt->qpitch = brw_miptree_get_vertical_slice_pitch(brw, mt, 0);
+ /* Unlike previous generations the qpitch is a multiple of the
+ * compressed block size on Gen9 so physical_qpitch matches mt->qpitch.
+ */
+ physical_qpitch = (mt->compressed && brw->gen < 9 ? mt->qpitch / 4 :
+ mt->qpitch);
}
for (unsigned level = mt->first_level; level <= mt->last_level; level++) {
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index 77b029452b4..8b42e4adb79 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -735,6 +735,24 @@ intel_miptree_updownsample(struct brw_context *brw,
struct intel_mipmap_tree *src,
struct intel_mipmap_tree *dst);
+/**
+ * Horizontal distance from one slice to the next in the two-dimensional
+ * miptree layout.
+ */
+unsigned
+brw_miptree_get_horizontal_slice_pitch(const struct brw_context *brw,
+ const struct intel_mipmap_tree *mt,
+ unsigned level);
+
+/**
+ * Vertical distance from one slice to the next in the two-dimensional miptree
+ * layout.
+ */
+unsigned
+brw_miptree_get_vertical_slice_pitch(const struct brw_context *brw,
+ const struct intel_mipmap_tree *mt,
+ unsigned level);
+
void brw_miptree_layout(struct brw_context *brw, struct intel_mipmap_tree *mt);
void *intel_miptree_map_raw(struct brw_context *brw,