258 lines
11 KiB
C++
258 lines
11 KiB
C++
/*************************************************************************/
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/* rasterizer_scene_gles2.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef RASTERIZERSCENEGLES2_H
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#define RASTERIZERSCENEGLES2_H
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/* Must come before shaders or the Windows build fails... */
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#include "rasterizer_storage_gles2.h"
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#include "shaders/scene.glsl.gen.h"
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/*
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#include "drivers/gles3/shaders/cube_to_dp.glsl.gen.h"
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#include "drivers/gles3/shaders/effect_blur.glsl.gen.h"
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#include "drivers/gles3/shaders/exposure.glsl.gen.h"
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#include "drivers/gles3/shaders/resolve.glsl.gen.h"
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#include "drivers/gles3/shaders/scene.glsl.gen.h"
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#include "drivers/gles3/shaders/screen_space_reflection.glsl.gen.h"
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#include "drivers/gles3/shaders/ssao.glsl.gen.h"
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#include "drivers/gles3/shaders/ssao_blur.glsl.gen.h"
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#include "drivers/gles3/shaders/ssao_minify.glsl.gen.h"
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#include "drivers/gles3/shaders/subsurf_scattering.glsl.gen.h"
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#include "drivers/gles3/shaders/tonemap.glsl.gen.h"
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*/
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class RasterizerSceneGLES2 : public RasterizerScene {
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public:
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RasterizerStorageGLES2 *storage;
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struct State {
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bool texscreen_copied;
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int current_blend_mode;
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float current_line_width;
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int current_depth_draw;
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bool current_depth_test;
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GLuint current_main_tex;
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SceneShaderGLES2 scene_shader;
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// CubeToDpShaderGLES3 cube_to_dp_shader;
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// ResolveShaderGLES3 resolve_shader;
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// ScreenSpaceReflectionShaderGLES3 ssr_shader;
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// EffectBlurShaderGLES3 effect_blur_shader;
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// SubsurfScatteringShaderGLES3 sss_shader;
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// SsaoMinifyShaderGLES3 ssao_minify_shader;
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// SsaoShaderGLES3 ssao_shader;
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// SsaoBlurShaderGLES3 ssao_blur_shader;
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// ExposureShaderGLES3 exposure_shader;
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// TonemapShaderGLES3 tonemap_shader;
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/*
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struct SceneDataUBO {
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//this is a std140 compatible struct. Please read the OpenGL 3.3 Specificaiton spec before doing any changes
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float projection_matrix[16];
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float inv_projection_matrix[16];
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float camera_inverse_matrix[16];
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float camera_matrix[16];
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float ambient_light_color[4];
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float bg_color[4];
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float fog_color_enabled[4];
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float fog_sun_color_amount[4];
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float ambient_energy;
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float bg_energy;
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float z_offset;
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float z_slope_scale;
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float shadow_dual_paraboloid_render_zfar;
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float shadow_dual_paraboloid_render_side;
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float viewport_size[2];
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float screen_pixel_size[2];
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float shadow_atlas_pixel_size[2];
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float shadow_directional_pixel_size[2];
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float time;
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float z_far;
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float reflection_multiplier;
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float subsurface_scatter_width;
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float ambient_occlusion_affect_light;
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uint32_t fog_depth_enabled;
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float fog_depth_begin;
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float fog_depth_curve;
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uint32_t fog_transmit_enabled;
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float fog_transmit_curve;
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uint32_t fog_height_enabled;
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float fog_height_min;
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float fog_height_max;
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float fog_height_curve;
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// make sure this struct is padded to be a multiple of 16 bytes for webgl
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} ubo_data;
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GLuint scene_ubo;
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struct EnvironmentRadianceUBO {
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float transform[16];
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float ambient_contribution;
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uint8_t padding[12];
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} env_radiance_data;
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GLuint env_radiance_ubo;
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GLuint sky_verts;
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GLuint sky_array;
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GLuint directional_ubo;
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GLuint spot_array_ubo;
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GLuint omni_array_ubo;
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GLuint reflection_array_ubo;
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GLuint immediate_buffer;
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GLuint immediate_array;
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uint32_t ubo_light_size;
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uint8_t *spot_array_tmp;
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uint8_t *omni_array_tmp;
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uint8_t *reflection_array_tmp;
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int max_ubo_lights;
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int max_forward_lights_per_object;
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int max_ubo_reflections;
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int max_skeleton_bones;
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bool used_contact_shadows;
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int spot_light_count;
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int omni_light_count;
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int directional_light_count;
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int reflection_probe_count;
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bool cull_front;
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bool cull_disabled;
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bool used_sss;
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bool used_screen_texture;
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bool using_contact_shadows;
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VS::ViewportDebugDraw debug_draw;
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*/
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} state;
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/* SHADOW ATLAS API */
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RID shadow_atlas_create();
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void shadow_atlas_set_size(RID p_atlas, int p_size);
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void shadow_atlas_set_quadrant_subdivision(RID p_atlas, int p_quadrant, int p_subdivision);
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bool shadow_atlas_update_light(RID p_atlas, RID p_light_intance, float p_coverage, uint64_t p_light_version);
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virtual int get_directional_light_shadow_size(RID p_light_intance);
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virtual void set_directional_shadow_count(int p_count);
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/* REFLECTION PROBE ATLAS API */
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virtual RID reflection_atlas_create();
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virtual void reflection_atlas_set_size(RID p_ref_atlas, int p_size);
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virtual void reflection_atlas_set_subdivision(RID p_ref_atlas, int p_subdiv);
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/* REFLECTION CUBEMAPS */
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/* REFLECTION PROBE INSTANCE */
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virtual RID reflection_probe_instance_create(RID p_probe);
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virtual void reflection_probe_instance_set_transform(RID p_instance, const Transform &p_transform);
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virtual void reflection_probe_release_atlas_index(RID p_instance);
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virtual bool reflection_probe_instance_needs_redraw(RID p_instance);
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virtual bool reflection_probe_instance_has_reflection(RID p_instance);
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virtual bool reflection_probe_instance_begin_render(RID p_instance, RID p_reflection_atlas);
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virtual bool reflection_probe_instance_postprocess_step(RID p_instance);
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/* ENVIRONMENT API */
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virtual RID environment_create();
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virtual void environment_set_background(RID p_env, VS::EnvironmentBG p_bg);
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virtual void environment_set_sky(RID p_env, RID p_sky);
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virtual void environment_set_sky_custom_fov(RID p_env, float p_scale);
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virtual void environment_set_bg_color(RID p_env, const Color &p_color);
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virtual void environment_set_bg_energy(RID p_env, float p_energy);
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virtual void environment_set_canvas_max_layer(RID p_env, int p_max_layer);
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virtual void environment_set_ambient_light(RID p_env, const Color &p_color, float p_energy = 1.0, float p_sky_contribution = 0.0);
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virtual void environment_set_dof_blur_near(RID p_env, bool p_enable, float p_distance, float p_transition, float p_amount, VS::EnvironmentDOFBlurQuality p_quality);
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virtual void environment_set_dof_blur_far(RID p_env, bool p_enable, float p_distance, float p_transition, float p_amount, VS::EnvironmentDOFBlurQuality p_quality);
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virtual void environment_set_glow(RID p_env, bool p_enable, int p_level_flags, float p_intensity, float p_strength, float p_bloom_threshold, VS::EnvironmentGlowBlendMode p_blend_mode, float p_hdr_bleed_threshold, float p_hdr_bleed_scale, bool p_bicubic_upscale);
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virtual void environment_set_fog(RID p_env, bool p_enable, float p_begin, float p_end, RID p_gradient_texture);
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virtual void environment_set_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_in, float p_fade_out, float p_depth_tolerance, bool p_roughness);
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virtual void environment_set_ssao(RID p_env, bool p_enable, float p_radius, float p_intensity, float p_radius2, float p_intensity2, float p_bias, float p_light_affect, const Color &p_color, VS::EnvironmentSSAOQuality p_quality, VS::EnvironmentSSAOBlur p_blur, float p_bilateral_sharpness);
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virtual void environment_set_tonemap(RID p_env, VS::EnvironmentToneMapper p_tone_mapper, float p_exposure, float p_white, bool p_auto_exposure, float p_min_luminance, float p_max_luminance, float p_auto_exp_speed, float p_auto_exp_scale);
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virtual void environment_set_adjustment(RID p_env, bool p_enable, float p_brightness, float p_contrast, float p_saturation, RID p_ramp);
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virtual void environment_set_fog(RID p_env, bool p_enable, const Color &p_color, const Color &p_sun_color, float p_sun_amount);
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virtual void environment_set_fog_depth(RID p_env, bool p_enable, float p_depth_begin, float p_depth_curve, bool p_transmit, float p_transmit_curve);
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virtual void environment_set_fog_height(RID p_env, bool p_enable, float p_min_height, float p_max_height, float p_height_curve);
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virtual bool is_environment(RID p_env);
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virtual VS::EnvironmentBG environment_get_background(RID p_env);
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virtual int environment_get_canvas_max_layer(RID p_env);
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/* LIGHT INSTANCE */
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virtual RID light_instance_create(RID p_light);
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virtual void light_instance_set_transform(RID p_light_instance, const Transform &p_transform);
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virtual void light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_bias_scale = 1.0);
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virtual void light_instance_mark_visible(RID p_light_instance);
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/* REFLECTION INSTANCE */
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virtual RID gi_probe_instance_create();
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virtual void gi_probe_instance_set_light_data(RID p_probe, RID p_base, RID p_data);
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virtual void gi_probe_instance_set_transform_to_data(RID p_probe, const Transform &p_xform);
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virtual void gi_probe_instance_set_bounds(RID p_probe, const Vector3 &p_bounds);
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/* RENDER LIST */
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virtual void render_scene(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID p_environment, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass);
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virtual void render_shadow(RID p_light, RID p_shadow_atlas, int p_pass, InstanceBase **p_cull_result, int p_cull_count);
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virtual bool free(RID p_rid);
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virtual void set_scene_pass(uint64_t p_pass);
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virtual void set_debug_draw_mode(VS::ViewportDebugDraw p_debug_draw);
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void iteration();
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void initialize();
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void finalize();
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RasterizerSceneGLES2();
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};
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#endif // RASTERIZERSCENEGLES2_H
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