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/**************************************************************************/
/* render_scene_data_rd.h */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 RENDER_SCENE_DATA_RD_H
#define RENDER_SCENE_DATA_RD_H
#include "render_scene_buffers_rd.h"
#include "servers/rendering/renderer_scene_render.h"
#include "servers/rendering/rendering_device.h"
#include "servers/rendering/storage/render_scene_data.h"
// This is a container for data related to rendering a single frame of a viewport where we load this data into a UBO
// that can be used by the main scene shader but also by various effects.
class RenderSceneDataRD : public RenderSceneData {
GDCLASS(RenderSceneDataRD, RenderSceneData);
public:
bool calculate_motion_vectors = false;
Transform3D cam_transform;
Projection cam_projection;
Vector2 taa_jitter;
float taa_frame_count = 0.0f;
uint32_t camera_visible_layers;
bool cam_orthogonal = false;
bool cam_frustum = false;
bool flip_y = false;
// For billboards to cast correct shadows.
Transform3D main_cam_transform;
// For stereo rendering
uint32_t view_count = 1;
Vector3 view_eye_offset[RendererSceneRender::MAX_RENDER_VIEWS];
Projection view_projection[RendererSceneRender::MAX_RENDER_VIEWS];
Transform3D prev_cam_transform;
Projection prev_cam_projection;
Vector2 prev_taa_jitter;
Projection prev_view_projection[RendererSceneRender::MAX_RENDER_VIEWS];
float z_near = 0.0;
float z_far = 0.0;
float lod_distance_multiplier = 0.0;
float screen_mesh_lod_threshold = 0.0;
uint32_t directional_light_count = 0;
float dual_paraboloid_side = 0.0;
float opaque_prepass_threshold = 0.0;
bool material_uv2_mode = false;
float emissive_exposure_normalization = 0.0;
Size2 shadow_atlas_pixel_size;
Size2 directional_shadow_pixel_size;
float time;
float time_step;
virtual Transform3D get_cam_transform() const override;
virtual Projection get_cam_projection() const override;
virtual uint32_t get_view_count() const override;
virtual Vector3 get_view_eye_offset(uint32_t p_view) const override;
virtual Projection get_view_projection(uint32_t p_view) const override;
RID create_uniform_buffer();
void update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p_debug_mode, RID p_env, RID p_reflection_probe_instance, RID p_camera_attributes, bool p_pancake_shadows, const Size2i &p_screen_size, const Color &p_default_bg_color, float p_luminance_multiplier, bool p_opaque_render_buffers, bool p_apply_alpha_multiplier);
virtual RID get_uniform_buffer() const override;
private:
RID uniform_buffer; // loaded into this uniform buffer (supplied externally)
// This struct is loaded into Set 1 - Binding 0, populated at start of rendering a frame, must match with shader code
struct UBO {
float projection_matrix[16];
float inv_projection_matrix[16];
float inv_view_matrix[16];
float view_matrix[16];
float projection_matrix_view[RendererSceneRender::MAX_RENDER_VIEWS][16];
float inv_projection_matrix_view[RendererSceneRender::MAX_RENDER_VIEWS][16];
float eye_offset[RendererSceneRender::MAX_RENDER_VIEWS][4];
float main_cam_inv_view_matrix[16];
float viewport_size[2];
float screen_pixel_size[2];
float directional_penumbra_shadow_kernel[128]; //32 vec4s
float directional_soft_shadow_kernel[128];
float penumbra_shadow_kernel[128];
float soft_shadow_kernel[128];
float radiance_inverse_xform[12];
float ambient_light_color_energy[4];
float ambient_color_sky_mix;
uint32_t use_ambient_light;
uint32_t use_ambient_cubemap;
uint32_t use_reflection_cubemap;
float shadow_atlas_pixel_size[2];
float directional_shadow_pixel_size[2];
uint32_t directional_light_count;
float dual_paraboloid_side;
float z_far;
float z_near;
uint32_t roughness_limiter_enabled;
float roughness_limiter_amount;
float roughness_limiter_limit;
float opaque_prepass_threshold;
// Fog
uint32_t fog_enabled;
uint32_t fog_mode;
float fog_density;
float fog_height;
float fog_height_density;
float fog_depth_curve;
float fog_depth_begin;
float taa_frame_count; // Used to add break up samples over multiple frames. Value is an integer from 0 to taa_phase_count -1.
float fog_light_color[3];
float fog_depth_end;
float fog_sun_scatter;
float fog_aerial_perspective;
float time;
float reflection_multiplier;
float taa_jitter[2];
uint32_t material_uv2_mode;
float emissive_exposure_normalization; // Needed to normalize emissive when using physical units.
float IBL_exposure_normalization; // Adjusts for baked exposure.
uint32_t pancake_shadows;
uint32_t camera_visible_layers;
float pass_alpha_multiplier;
};
struct UBODATA {
UBO ubo;
UBO prev_ubo;
};
};
#endif // RENDER_SCENE_DATA_RD_H
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