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authorJason Ekstrand <jason.ekstrand@intel.com>2016-06-10 11:36:00 -0700
committerJason Ekstrand <jason.ekstrand@intel.com>2016-07-15 15:53:48 -0700
commit1e45349e82e15100f51127213a537e7e5c9ab335 (patch)
tree39f4242dcd4108482b28f7f510e15748de7577ed /src
parentf665a3da7213818ca1cebe364500c4b190a491ce (diff)
i965/miptree: Add a helper for getting the ISL clear color from a miptree
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net> Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com> Reviewed-by: Chad Versace <chad.versace@intel.com>
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/i965/intel_mipmap_tree.c26
-rw-r--r--src/mesa/drivers/dri/i965/intel_mipmap_tree.h4
2 files changed, 30 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 5c439fc9e32..2191bf59655 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -3167,3 +3167,29 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
surf->usage = 0; /* TODO */
}
+
+union isl_color_value
+intel_miptree_get_isl_clear_color(struct brw_context *brw,
+ const struct intel_mipmap_tree *mt)
+{
+ union isl_color_value clear_color;
+
+ if (brw->gen >= 9) {
+ clear_color.i32[0] = mt->gen9_fast_clear_color.i[0];
+ clear_color.i32[1] = mt->gen9_fast_clear_color.i[1];
+ clear_color.i32[2] = mt->gen9_fast_clear_color.i[2];
+ clear_color.i32[3] = mt->gen9_fast_clear_color.i[3];
+ } else if (_mesa_is_format_integer(mt->format)) {
+ clear_color.i32[0] = (mt->fast_clear_color_value & (1u << 31)) != 0;
+ clear_color.i32[1] = (mt->fast_clear_color_value & (1u << 30)) != 0;
+ clear_color.i32[2] = (mt->fast_clear_color_value & (1u << 29)) != 0;
+ clear_color.i32[3] = (mt->fast_clear_color_value & (1u << 28)) != 0;
+ } else {
+ clear_color.f32[0] = (mt->fast_clear_color_value & (1u << 31)) != 0;
+ clear_color.f32[1] = (mt->fast_clear_color_value & (1u << 30)) != 0;
+ clear_color.f32[2] = (mt->fast_clear_color_value & (1u << 29)) != 0;
+ clear_color.f32[3] = (mt->fast_clear_color_value & (1u << 28)) != 0;
+ }
+
+ return clear_color;
+}
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index cf5d1a6528d..a50f181690d 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -802,6 +802,10 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
const struct intel_mipmap_tree *mt,
struct isl_surf *surf);
+union isl_color_value
+intel_miptree_get_isl_clear_color(struct brw_context *brw,
+ const struct intel_mipmap_tree *mt);
+
void
intel_get_image_dims(struct gl_texture_image *image,
int *width, int *height, int *depth);