DRW: New High Quality Normal & Tangent extract

This patch adds a dedicated path to extract 16bit normals instead of packing them into 10bits/comp.
The tangents are also packed to 10bits/comp if not using the new High Quality Normal option.

Fix T61024 Degraded texture shading on dense meshes

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D6614

1 files changed, 9 insertions, 1 deletions

diff --git a/source/blender/makesdna/DNA_scene_types.h b/source/blender/makesdna/DNA_scene_types.h
index 13bbd9319a0..f66ce132edb 100644
--- a/source/blender/makesdna/DNA_scene_types.h
+++ b/source/blender/makesdna/DNA_scene_types.h
@@ -750,7 +750,10 @@ typedef struct RenderData {
 
   /* render engine */
   char engine[32];
-  char _pad2[4];
+  char _pad2[2];
+
+  /* Performance Options */
+  short perf_flag;
 
   /* Cycles baking */
   struct BakeData bake;
@@ -776,6 +779,11 @@ typedef struct RenderData {
   struct CurveMapping mblur_shutter_curve;
 } RenderData;
 
+/* RenderData.quality_flag */
+typedef enum eQualityOption {
+  SCE_PERF_HQ_NORMALS = (1 << 0),
+} eQualityOption;
+
 /* RenderData.hair_type */
 typedef enum eHairType {
   SCE_HAIR_SHAPE_STRAND = 0,