EEVEE: Deferred: Large refactor

This changes drastically the implementation to leverage arbitrary writes
in order to reduce complexity, memory usage and increase speed.

Since we are no longer dependent on the framebuffer requirement, we can
allocate bigger size texture that fits all views and avoid the extra.

Transparency, holdout and emissions are no longer deferred and are now
composited using dual source blending.

The indirect lighting and raytracing is still not functional but will
also gets a large refactor on its own

1 files changed, 5 insertions, 17 deletions

diff --git a/source/blender/draw/engines/eevee/eevee_raytracing.hh b/source/blender/draw/engines/eevee/eevee_raytracing.hh
index c44c2b56099..71452e23478 100644
--- a/source/blender/draw/engines/eevee/eevee_raytracing.hh
+++ b/source/blender/draw/engines/eevee/eevee_raytracing.hh
@@ -18,13 +18,14 @@ class Instance;
  * \{ */
 
 class RaytracingModule {
+ public:
+  RaytraceDataBuf reflection_data;
+  RaytraceDataBuf refraction_data;
+  RaytraceDataBuf diffuse_data;
+
  private:
   Instance &inst_;
 
-  RaytraceDataBuf reflection_data_;
-  RaytraceDataBuf refraction_data_;
-  RaytraceDataBuf diffuse_data_;
-
   bool enabled_ = false;
 
  public:
@@ -32,19 +33,6 @@ class RaytracingModule {
 
   void sync(void);
 
-  const GPUUniformBuf *reflection_ubo_get(void) const
-  {
-    return reflection_data_;
-  }
-  const GPUUniformBuf *refraction_ubo_get(void) const
-  {
-    return refraction_data_;
-  }
-  const GPUUniformBuf *diffuse_ubo_get(void) const
-  {
-    return diffuse_data_;
-  }
-
   bool enabled(void) const
   {
     return enabled_;