Split GI effects and fix stereoscopic rendering of GI effects

1 files changed, 99 insertions, 0 deletions

diff --git a/drivers/gles3/environment/gi.h b/drivers/gles3/environment/gi.h
new file mode 100644
index 0000000000..bff482d7fa
--- /dev/null
+++ b/drivers/gles3/environment/gi.h
@@ -0,0 +1,99 @@
+/*************************************************************************/
+/*  gi.h                                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef GI_GLES3_H
+#define GI_GLES3_H
+
+#ifdef GLES3_ENABLED
+
+#include "core/templates/local_vector.h"
+#include "core/templates/rid_owner.h"
+#include "core/templates/self_list.h"
+#include "servers/rendering/environment/renderer_gi.h"
+
+#include "platform_config.h"
+#ifndef OPENGL_INCLUDE_H
+#include <GLES3/gl3.h>
+#else
+#include OPENGL_INCLUDE_H
+#endif
+
+namespace GLES3 {
+
+class GI : public RendererGI {
+public:
+	/* VOXEL GI API */
+
+	virtual RID voxel_gi_allocate() override;
+	virtual void voxel_gi_free(RID p_rid) override;
+	virtual void voxel_gi_initialize(RID p_rid) override;
+	virtual void voxel_gi_allocate_data(RID p_voxel_gi, const Transform3D &p_to_cell_xform, const AABB &p_aabb, const Vector3i &p_octree_size, const Vector<uint8_t> &p_octree_cells, const Vector<uint8_t> &p_data_cells, const Vector<uint8_t> &p_distance_field, const Vector<int> &p_level_counts) override;
+
+	virtual AABB voxel_gi_get_bounds(RID p_voxel_gi) const override;
+	virtual Vector3i voxel_gi_get_octree_size(RID p_voxel_gi) const override;
+	virtual Vector<uint8_t> voxel_gi_get_octree_cells(RID p_voxel_gi) const override;
+	virtual Vector<uint8_t> voxel_gi_get_data_cells(RID p_voxel_gi) const override;
+	virtual Vector<uint8_t> voxel_gi_get_distance_field(RID p_voxel_gi) const override;
+
+	virtual Vector<int> voxel_gi_get_level_counts(RID p_voxel_gi) const override;
+	virtual Transform3D voxel_gi_get_to_cell_xform(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_dynamic_range(RID p_voxel_gi, float p_range) override;
+	virtual float voxel_gi_get_dynamic_range(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_propagation(RID p_voxel_gi, float p_range) override;
+	virtual float voxel_gi_get_propagation(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_energy(RID p_voxel_gi, float p_range) override;
+	virtual float voxel_gi_get_energy(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_bias(RID p_voxel_gi, float p_range) override;
+	virtual float voxel_gi_get_bias(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_normal_bias(RID p_voxel_gi, float p_range) override;
+	virtual float voxel_gi_get_normal_bias(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_interior(RID p_voxel_gi, bool p_enable) override;
+	virtual bool voxel_gi_is_interior(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_use_two_bounces(RID p_voxel_gi, bool p_enable) override;
+	virtual bool voxel_gi_is_using_two_bounces(RID p_voxel_gi) const override;
+
+	virtual void voxel_gi_set_anisotropy_strength(RID p_voxel_gi, float p_strength) override;
+	virtual float voxel_gi_get_anisotropy_strength(RID p_voxel_gi) const override;
+
+	virtual uint32_t voxel_gi_get_version(RID p_voxel_gi) const override;
+};
+
+}; // namespace GLES3
+
+#endif // GLES3_ENABLED
+
+#endif // !GI_GLES3_H