322 lines
11 KiB
C++
322 lines
11 KiB
C++
/*************************************************************************/
|
|
/* sky.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 SKY_RD_H
|
|
#define SKY_RD_H
|
|
|
|
#include "core/templates/rid_owner.h"
|
|
#include "servers/rendering/renderer_compositor.h"
|
|
#include "servers/rendering/renderer_rd/pipeline_cache_rd.h"
|
|
#include "servers/rendering/renderer_rd/shaders/environment/sky.glsl.gen.h"
|
|
#include "servers/rendering/renderer_rd/storage_rd/material_storage.h"
|
|
#include "servers/rendering/renderer_scene_render.h"
|
|
#include "servers/rendering/rendering_device.h"
|
|
#include "servers/rendering/shader_compiler.h"
|
|
|
|
// Forward declare RendererSceneRenderRD so we can pass it into some of our methods, these classes are pretty tightly bound
|
|
class RendererSceneRenderRD;
|
|
class RenderSceneBuffersRD;
|
|
|
|
namespace RendererRD {
|
|
|
|
class SkyRD {
|
|
public:
|
|
enum SkySet {
|
|
SKY_SET_UNIFORMS,
|
|
SKY_SET_MATERIAL,
|
|
SKY_SET_TEXTURES,
|
|
SKY_SET_FOG,
|
|
SKY_SET_MAX
|
|
};
|
|
|
|
// Skys need less info from Directional Lights than the normal shaders
|
|
struct SkyDirectionalLightData {
|
|
float direction[3];
|
|
float energy;
|
|
float color[3];
|
|
float size;
|
|
uint32_t enabled;
|
|
uint32_t pad[3];
|
|
};
|
|
|
|
private:
|
|
RD::DataFormat texture_format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT;
|
|
|
|
RID index_buffer;
|
|
RID index_array;
|
|
|
|
enum SkyTextureSetVersion {
|
|
SKY_TEXTURE_SET_BACKGROUND,
|
|
SKY_TEXTURE_SET_HALF_RES,
|
|
SKY_TEXTURE_SET_QUARTER_RES,
|
|
SKY_TEXTURE_SET_CUBEMAP,
|
|
SKY_TEXTURE_SET_CUBEMAP_HALF_RES,
|
|
SKY_TEXTURE_SET_CUBEMAP_QUARTER_RES,
|
|
SKY_TEXTURE_SET_MAX
|
|
};
|
|
|
|
enum SkyVersion {
|
|
SKY_VERSION_BACKGROUND,
|
|
SKY_VERSION_HALF_RES,
|
|
SKY_VERSION_QUARTER_RES,
|
|
SKY_VERSION_CUBEMAP,
|
|
SKY_VERSION_CUBEMAP_HALF_RES,
|
|
SKY_VERSION_CUBEMAP_QUARTER_RES,
|
|
|
|
SKY_VERSION_BACKGROUND_MULTIVIEW,
|
|
SKY_VERSION_HALF_RES_MULTIVIEW,
|
|
SKY_VERSION_QUARTER_RES_MULTIVIEW,
|
|
|
|
SKY_VERSION_MAX
|
|
};
|
|
|
|
struct SkyPushConstant {
|
|
float orientation[12]; // 48 - 48
|
|
float projection[4]; // 16 - 64
|
|
float position[3]; // 12 - 76
|
|
float time; // 4 - 80
|
|
float pad[3]; // 12 - 92
|
|
float luminance_multiplier; // 4 - 96
|
|
// 128 is the max size of a push constant. We can replace "pad" but we can't add any more.
|
|
};
|
|
|
|
struct SkyShaderData : public RendererRD::MaterialStorage::ShaderData {
|
|
bool valid = false;
|
|
RID version;
|
|
|
|
PipelineCacheRD pipelines[SKY_VERSION_MAX];
|
|
Vector<ShaderCompiler::GeneratedCode::Texture> texture_uniforms;
|
|
|
|
Vector<uint32_t> ubo_offsets;
|
|
uint32_t ubo_size = 0;
|
|
|
|
String code;
|
|
|
|
bool uses_time = false;
|
|
bool uses_position = false;
|
|
bool uses_half_res = false;
|
|
bool uses_quarter_res = false;
|
|
bool uses_light = false;
|
|
|
|
virtual void set_code(const String &p_Code);
|
|
virtual bool is_animated() const;
|
|
virtual bool casts_shadows() const;
|
|
virtual RS::ShaderNativeSourceCode get_native_source_code() const;
|
|
|
|
SkyShaderData() {}
|
|
virtual ~SkyShaderData();
|
|
};
|
|
|
|
void _render_sky(RD::DrawListID p_list, float p_time, RID p_fb, PipelineCacheRD *p_pipeline, RID p_uniform_set, RID p_texture_set, const Projection &p_projection, const Basis &p_orientation, const Vector3 &p_position, float p_luminance_multiplier);
|
|
|
|
public:
|
|
struct SkySceneState {
|
|
struct UBO {
|
|
float view_inv_projections[RendererSceneRender::MAX_RENDER_VIEWS][16]; // 2 x 64 - 128
|
|
float view_eye_offsets[RendererSceneRender::MAX_RENDER_VIEWS][4]; // 2 x 16 - 160
|
|
|
|
uint32_t volumetric_fog_enabled; // 4 - 164
|
|
float volumetric_fog_inv_length; // 4 - 168
|
|
float volumetric_fog_detail_spread; // 4 - 172
|
|
float volumetric_fog_sky_affect; // 4 - 176
|
|
|
|
uint32_t fog_enabled; // 4 - 180
|
|
float fog_sky_affect; // 4 - 184
|
|
float fog_density; // 4 - 188
|
|
float fog_sun_scatter; // 4 - 192
|
|
|
|
float fog_light_color[3]; // 12 - 204
|
|
float fog_aerial_perspective; // 4 - 208
|
|
|
|
float z_far; // 4 - 212
|
|
uint32_t directional_light_count; // 4 - 216
|
|
uint32_t pad1; // 4 - 220
|
|
uint32_t pad2; // 4 - 224
|
|
};
|
|
|
|
UBO ubo;
|
|
|
|
uint32_t view_count = 1;
|
|
Transform3D cam_transform;
|
|
Projection cam_projection;
|
|
|
|
SkyDirectionalLightData *directional_lights = nullptr;
|
|
SkyDirectionalLightData *last_frame_directional_lights = nullptr;
|
|
uint32_t max_directional_lights;
|
|
uint32_t last_frame_directional_light_count;
|
|
RID directional_light_buffer;
|
|
RID uniform_set;
|
|
RID uniform_buffer;
|
|
RID fog_uniform_set;
|
|
RID default_fog_uniform_set;
|
|
|
|
RID fog_shader;
|
|
RID fog_material;
|
|
RID fog_only_texture_uniform_set;
|
|
} sky_scene_state;
|
|
|
|
struct ReflectionData {
|
|
struct Layer {
|
|
struct Mipmap {
|
|
RID framebuffers[6];
|
|
RID views[6];
|
|
Size2i size;
|
|
};
|
|
Vector<Mipmap> mipmaps; //per-face view
|
|
Vector<RID> views; // per-cubemap view
|
|
};
|
|
|
|
struct DownsampleLayer {
|
|
struct Mipmap {
|
|
RID view;
|
|
Size2i size;
|
|
|
|
// for mobile only
|
|
RID views[6];
|
|
RID framebuffers[6];
|
|
};
|
|
Vector<Mipmap> mipmaps;
|
|
};
|
|
|
|
RID radiance_base_cubemap; //cubemap for first layer, first cubemap
|
|
RID downsampled_radiance_cubemap;
|
|
DownsampleLayer downsampled_layer;
|
|
RID coefficient_buffer;
|
|
|
|
bool dirty = true;
|
|
|
|
Vector<Layer> layers;
|
|
|
|
void clear_reflection_data();
|
|
void update_reflection_data(int p_size, int p_mipmaps, bool p_use_array, RID p_base_cube, int p_base_layer, bool p_low_quality, int p_roughness_layers, RD::DataFormat p_texture_format);
|
|
void create_reflection_fast_filter(bool p_use_arrays);
|
|
void create_reflection_importance_sample(bool p_use_arrays, int p_cube_side, int p_base_layer, uint32_t p_sky_ggx_samples_quality);
|
|
void update_reflection_mipmaps(int p_start, int p_end);
|
|
};
|
|
|
|
/* Sky shader */
|
|
|
|
struct SkyShader {
|
|
SkyShaderRD shader;
|
|
ShaderCompiler compiler;
|
|
|
|
RID default_shader;
|
|
RID default_material;
|
|
RID default_shader_rd;
|
|
} sky_shader;
|
|
|
|
struct SkyMaterialData : public RendererRD::MaterialStorage::MaterialData {
|
|
SkyShaderData *shader_data = nullptr;
|
|
RID uniform_set;
|
|
bool uniform_set_updated;
|
|
|
|
virtual void set_render_priority(int p_priority) {}
|
|
virtual void set_next_pass(RID p_pass) {}
|
|
virtual bool update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty);
|
|
virtual ~SkyMaterialData();
|
|
};
|
|
|
|
struct Sky {
|
|
RID radiance;
|
|
RID quarter_res_pass;
|
|
RID quarter_res_framebuffer;
|
|
Size2i screen_size;
|
|
|
|
RID uniform_set;
|
|
|
|
RID material;
|
|
RID uniform_buffer;
|
|
|
|
int radiance_size = 256;
|
|
|
|
RS::SkyMode mode = RS::SKY_MODE_AUTOMATIC;
|
|
|
|
ReflectionData reflection;
|
|
bool dirty = false;
|
|
int processing_layer = 0;
|
|
Sky *dirty_list = nullptr;
|
|
float baked_exposure = 1.0;
|
|
|
|
//State to track when radiance cubemap needs updating
|
|
SkyMaterialData *prev_material = nullptr;
|
|
Vector3 prev_position;
|
|
float prev_time;
|
|
|
|
void free();
|
|
|
|
RID get_textures(SkyTextureSetVersion p_version, RID p_default_shader_rd, Ref<RenderSceneBuffersRD> p_render_buffers);
|
|
bool set_radiance_size(int p_radiance_size);
|
|
bool set_mode(RS::SkyMode p_mode);
|
|
bool set_material(RID p_material);
|
|
Ref<Image> bake_panorama(float p_energy, int p_roughness_layers, const Size2i &p_size);
|
|
};
|
|
|
|
uint32_t sky_ggx_samples_quality;
|
|
bool sky_use_cubemap_array;
|
|
Sky *dirty_sky_list = nullptr;
|
|
mutable RID_Owner<Sky, true> sky_owner;
|
|
int roughness_layers;
|
|
|
|
RendererRD::MaterialStorage::ShaderData *_create_sky_shader_func();
|
|
static RendererRD::MaterialStorage::ShaderData *_create_sky_shader_funcs();
|
|
|
|
RendererRD::MaterialStorage::MaterialData *_create_sky_material_func(SkyShaderData *p_shader);
|
|
static RendererRD::MaterialStorage::MaterialData *_create_sky_material_funcs(RendererRD::MaterialStorage::ShaderData *p_shader);
|
|
|
|
SkyRD();
|
|
void init();
|
|
void set_texture_format(RD::DataFormat p_texture_format);
|
|
~SkyRD();
|
|
|
|
void setup_sky(RID p_env, Ref<RenderSceneBuffersRD> p_render_buffers, const PagedArray<RID> &p_lights, RID p_camera_attributes, uint32_t p_view_count, const Projection *p_view_projections, const Vector3 *p_view_eye_offsets, const Transform3D &p_cam_transform, const Size2i p_screen_size, RendererSceneRenderRD *p_scene_render);
|
|
void update_radiance_buffers(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_env, const Vector3 &p_global_pos, double p_time, float p_luminance_multiplier = 1.0);
|
|
void update_res_buffers(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_env, double p_time, float p_luminance_multiplier = 1.0);
|
|
void draw_sky(RD::DrawListID p_draw_list, Ref<RenderSceneBuffersRD> p_render_buffers, RID p_env, RID p_fb, double p_time, float p_luminance_multiplier = 1.0);
|
|
|
|
void invalidate_sky(Sky *p_sky);
|
|
void update_dirty_skys();
|
|
|
|
RID sky_get_material(RID p_sky) const;
|
|
RID sky_get_radiance_texture_rd(RID p_sky) const;
|
|
float sky_get_baked_exposure(RID p_sky) const;
|
|
|
|
RID allocate_sky_rid();
|
|
void initialize_sky_rid(RID p_rid);
|
|
Sky *get_sky(RID p_sky) const;
|
|
void free_sky(RID p_sky);
|
|
void sky_set_radiance_size(RID p_sky, int p_radiance_size);
|
|
void sky_set_mode(RID p_sky, RS::SkyMode p_mode);
|
|
void sky_set_material(RID p_sky, RID p_material);
|
|
Ref<Image> sky_bake_panorama(RID p_sky, float p_energy, bool p_bake_irradiance, const Size2i &p_size);
|
|
};
|
|
|
|
} // namespace RendererRD
|
|
|
|
#endif // SKY_RD_H
|