DRW: Remove mouse_pixel and is_inverted from ViewInfos

This is part of the effor to simplify the View struct in order to implement
multiview rendering.

`mouse_pixel` is only use for debug purpose and will be reintroduced later.
`is_inverted` is moved to `draw::View`.

source/blender/draw/intern/draw_manager_data.cc

@@ -2176,13 +2176,6 @@ DRWView *DRW_view_create(const float viewmat[4][4],
   view->visibility_fn = visibility_fn;
   view->parent = nullptr;
 
-  if (DST.draw_ctx.evil_C && DST.draw_ctx.region) {
-    int region_origin[2] = {DST.draw_ctx.region->winrct.xmin, DST.draw_ctx.region->winrct.ymin};
-    wmWindow *win = CTX_wm_window(DST.draw_ctx.evil_C);
-    wm_cursor_position_get(win, &view->storage.mouse_pixel[0], &view->storage.mouse_pixel[1]);
-    sub_v2_v2v2_int(view->storage.mouse_pixel, view->storage.mouse_pixel, region_origin);
-  }
-
   DRW_view_update(view, viewmat, winmat, culling_viewmat, culling_winmat);
 
   return view;

source/blender/draw/intern/draw_shader_shared.h

@@ -66,14 +66,6 @@ struct ViewInfos {
   float4x4 viewinv;
   float4x4 winmat;
   float4x4 wininv;
-
-  /** For debugging purpose */
-  /* Mouse pixel. */
-  int2 mouse_pixel;
-
-  /** True if facing needs to be inverted. */
-  bool1 is_inverted;
-  int _pad0;
 };
 BLI_STATIC_ASSERT_ALIGN(ViewInfos, 16)
 

source/blender/draw/intern/draw_view.cc

@@ -22,7 +22,7 @@ void View::sync(const float4x4 &view_mat, const float4x4 &win_mat)
   data_.winmat = win_mat;
   data_.wininv = win_mat.inverted();
 
-  data_.is_inverted = (is_negative_m4(view_mat.ptr()) == is_negative_m4(win_mat.ptr()));
+  is_inverted_ = (is_negative_m4(view_mat.ptr()) == is_negative_m4(win_mat.ptr()));
 
   BoundBox &bound_box = *reinterpret_cast<BoundBox *>(&culling_.corners);
   BoundSphere &bound_sphere = *reinterpret_cast<BoundSphere *>(&culling_.bound_sphere);

source/blender/draw/intern/draw_view.hh

@@ -35,6 +35,7 @@ class View {
 
   const char *debug_name_;
 
+  bool is_inverted_ = false;
   bool do_visibility_ = true;
   bool dirty_ = true;
   bool frozen_ = false;
@@ -59,7 +60,7 @@ class View {
 
   bool is_inverted() const
   {
-    return data_.is_inverted;
+    return is_inverted_;
   }
 
   float far_clip() const

source/blender/draw/intern/shaders/common_view_lib.glsl

@@ -25,7 +25,8 @@ layout(std140) uniform viewBlock
 #  endif
 #endif
 
-#define IS_DEBUG_MOUSE_FRAGMENT (ivec2(gl_FragCoord) == drw_view.mouse_pixel)
+/* Not supported anymore. TODO(fclem): Add back support. */
+// #define IS_DEBUG_MOUSE_FRAGMENT (ivec2(gl_FragCoord) == drw_view.mouse_pixel)
 #define IS_FIRST_INVOCATION (gl_GlobalInvocationID == uvec3(0))
 
 #define cameraForward ViewMatrixInverse[2].xyz