godot/drivers/gles3/rasterizer_storage_gles3.h

325 lines
12 KiB
C++

/*************************************************************************/
/* rasterizer_storage_gles3.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 RASTERIZER_STORAGE_OPENGL_H
#define RASTERIZER_STORAGE_OPENGL_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/renderer_compositor.h"
#include "servers/rendering/renderer_storage.h"
#include "servers/rendering/shader_compiler.h"
#include "servers/rendering/shader_language.h"
#include "storage/config.h"
#include "storage/material_storage.h"
#include "storage/texture_storage.h"
// class RasterizerCanvasGLES3;
// class RasterizerSceneGLES3;
class RasterizerStorageGLES3 : public RendererStorage {
public:
// RasterizerCanvasGLES3 *canvas;
// RasterizerSceneGLES3 *scene;
GLES3::Config *config;
struct Resources {
GLuint white_tex;
GLuint black_tex;
GLuint normal_tex;
GLuint aniso_tex;
GLuint mipmap_blur_fbo;
GLuint mipmap_blur_color;
GLuint radical_inverse_vdc_cache_tex;
bool use_rgba_2d_shadows;
GLuint quadie;
size_t skeleton_transform_buffer_size;
GLuint skeleton_transform_buffer;
LocalVector<float> skeleton_transform_cpu_buffer;
} resources;
struct Info {
uint64_t texture_mem = 0;
uint64_t vertex_mem = 0;
struct Render {
uint32_t object_count;
uint32_t draw_call_count;
uint32_t material_switch_count;
uint32_t surface_switch_count;
uint32_t shader_rebind_count;
uint32_t vertices_count;
uint32_t _2d_item_count;
uint32_t _2d_draw_call_count;
void reset() {
object_count = 0;
draw_call_count = 0;
material_switch_count = 0;
surface_switch_count = 0;
shader_rebind_count = 0;
vertices_count = 0;
_2d_item_count = 0;
_2d_draw_call_count = 0;
}
} render, render_final, snap;
Info() {
render.reset();
render_final.reset();
}
} info;
void bind_quad_array() const;
/////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////API////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////
public:
virtual void base_update_dependency(RID p_base, DependencyTracker *p_instance) override;
/* SKY API */
// not sure if used in godot 4?
struct Sky {
RID self;
RID panorama;
GLuint radiance;
int radiance_size;
};
mutable RID_PtrOwner<Sky> sky_owner;
RID sky_create();
void sky_set_texture(RID p_sky, RID p_panorama, int p_radiance_size);
/* VOXEL GI API */
RID voxel_gi_allocate() override;
void voxel_gi_initialize(RID p_rid) override;
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;
AABB voxel_gi_get_bounds(RID p_voxel_gi) const override;
Vector3i voxel_gi_get_octree_size(RID p_voxel_gi) const override;
Vector<uint8_t> voxel_gi_get_octree_cells(RID p_voxel_gi) const override;
Vector<uint8_t> voxel_gi_get_data_cells(RID p_voxel_gi) const override;
Vector<uint8_t> voxel_gi_get_distance_field(RID p_voxel_gi) const override;
Vector<int> voxel_gi_get_level_counts(RID p_voxel_gi) const override;
Transform3D voxel_gi_get_to_cell_xform(RID p_voxel_gi) const override;
void voxel_gi_set_dynamic_range(RID p_voxel_gi, float p_range) override;
float voxel_gi_get_dynamic_range(RID p_voxel_gi) const override;
void voxel_gi_set_propagation(RID p_voxel_gi, float p_range) override;
float voxel_gi_get_propagation(RID p_voxel_gi) const override;
void voxel_gi_set_energy(RID p_voxel_gi, float p_range) override;
float voxel_gi_get_energy(RID p_voxel_gi) const override;
void voxel_gi_set_bias(RID p_voxel_gi, float p_range) override;
float voxel_gi_get_bias(RID p_voxel_gi) const override;
void voxel_gi_set_normal_bias(RID p_voxel_gi, float p_range) override;
float voxel_gi_get_normal_bias(RID p_voxel_gi) const override;
void voxel_gi_set_interior(RID p_voxel_gi, bool p_enable) override;
bool voxel_gi_is_interior(RID p_voxel_gi) const override;
void voxel_gi_set_use_two_bounces(RID p_voxel_gi, bool p_enable) override;
bool voxel_gi_is_using_two_bounces(RID p_voxel_gi) const override;
void voxel_gi_set_anisotropy_strength(RID p_voxel_gi, float p_strength) override;
float voxel_gi_get_anisotropy_strength(RID p_voxel_gi) const override;
uint32_t voxel_gi_get_version(RID p_voxel_gi) override;
/* OCCLUDER */
void occluder_set_mesh(RID p_occluder, const PackedVector3Array &p_vertices, const PackedInt32Array &p_indices);
/* FOG VOLUMES */
RID fog_volume_allocate() override;
void fog_volume_initialize(RID p_rid) override;
void fog_volume_set_shape(RID p_fog_volume, RS::FogVolumeShape p_shape) override;
void fog_volume_set_extents(RID p_fog_volume, const Vector3 &p_extents) override;
void fog_volume_set_material(RID p_fog_volume, RID p_material) override;
AABB fog_volume_get_aabb(RID p_fog_volume) const override;
RS::FogVolumeShape fog_volume_get_shape(RID p_fog_volume) const override;
/* VISIBILITY NOTIFIER */
RID visibility_notifier_allocate() override;
void visibility_notifier_initialize(RID p_notifier) override;
void visibility_notifier_set_aabb(RID p_notifier, const AABB &p_aabb) override;
void visibility_notifier_set_callbacks(RID p_notifier, const Callable &p_enter_callbable, const Callable &p_exit_callable) override;
AABB visibility_notifier_get_aabb(RID p_notifier) const override;
void visibility_notifier_call(RID p_notifier, bool p_enter, bool p_deferred) override;
// access from canvas
// GLES3::RenderTarget * render_target_get(RID p_render_target);
/* CANVAS SHADOW */
struct CanvasLightShadow {
RID self;
int size;
int height;
GLuint fbo;
GLuint depth;
GLuint distance; //for older devices
};
RID_PtrOwner<CanvasLightShadow> canvas_light_shadow_owner;
RID canvas_light_shadow_buffer_create(int p_width);
/* LIGHT SHADOW MAPPING */
/*
struct CanvasOccluder {
RID self;
GLuint vertex_id; // 0 means, unconfigured
GLuint index_id; // 0 means, unconfigured
LocalVector<Vector2> lines;
int len;
};
RID_Owner<CanvasOccluder> canvas_occluder_owner;
RID canvas_light_occluder_create();
void canvas_light_occluder_set_polylines(RID p_occluder, const LocalVector<Vector2> &p_lines);
*/
RS::InstanceType get_base_type(RID p_rid) const override;
bool free(RID p_rid) override;
void initialize();
void finalize();
void _copy_screen();
void update_memory_info() override;
uint64_t get_rendering_info(RS::RenderingInfo p_info) override;
bool has_os_feature(const String &p_feature) const override;
void update_dirty_resources() override;
void set_debug_generate_wireframes(bool p_generate) override;
// void render_info_begin_capture() override;
// void render_info_end_capture() override;
// int get_captured_render_info(RS::RenderInfo p_info) override;
// int get_render_info(RS::RenderInfo p_info) override;
String get_video_adapter_name() const override;
String get_video_adapter_vendor() const override;
RenderingDevice::DeviceType get_video_adapter_type() const override;
void capture_timestamps_begin() override {}
void capture_timestamp(const String &p_name) override {}
uint32_t get_captured_timestamps_count() const override {
return 0;
}
uint64_t get_captured_timestamps_frame() const override {
return 0;
}
uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const override {
return 0;
}
uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const override {
return 0;
}
String get_captured_timestamp_name(uint32_t p_index) const override {
return String();
}
void buffer_orphan_and_upload(unsigned int p_buffer_size, unsigned int p_offset, unsigned int p_data_size, const void *p_data, GLenum p_target = GL_ARRAY_BUFFER, GLenum p_usage = GL_DYNAMIC_DRAW, bool p_optional_orphan = false) const;
bool safe_buffer_sub_data(unsigned int p_total_buffer_size, GLenum p_target, unsigned int p_offset, unsigned int p_data_size, const void *p_data, unsigned int &r_offset_after) const;
RasterizerStorageGLES3();
~RasterizerStorageGLES3();
};
inline bool RasterizerStorageGLES3::safe_buffer_sub_data(unsigned int p_total_buffer_size, GLenum p_target, unsigned int p_offset, unsigned int p_data_size, const void *p_data, unsigned int &r_offset_after) const {
r_offset_after = p_offset + p_data_size;
#ifdef DEBUG_ENABLED
// we are trying to write across the edge of the buffer
if (r_offset_after > p_total_buffer_size) {
return false;
}
#endif
glBufferSubData(p_target, p_offset, p_data_size, p_data);
return true;
}
// standardize the orphan / upload in one place so it can be changed per platform as necessary, and avoid future
// bugs causing pipeline stalls
inline void RasterizerStorageGLES3::buffer_orphan_and_upload(unsigned int p_buffer_size, unsigned int p_offset, unsigned int p_data_size, const void *p_data, GLenum p_target, GLenum p_usage, bool p_optional_orphan) const {
// Orphan the buffer to avoid CPU/GPU sync points caused by glBufferSubData
// Was previously #ifndef GLES_OVER_GL however this causes stalls on desktop mac also (and possibly other)
if (!p_optional_orphan || (config->should_orphan)) {
glBufferData(p_target, p_buffer_size, nullptr, p_usage);
#ifdef RASTERIZER_EXTRA_CHECKS
// fill with garbage off the end of the array
if (p_buffer_size) {
unsigned int start = p_offset + p_data_size;
unsigned int end = start + 1024;
if (end < p_buffer_size) {
uint8_t *garbage = (uint8_t *)alloca(1024);
for (int n = 0; n < 1024; n++) {
garbage[n] = Math::random(0, 255);
}
glBufferSubData(p_target, start, 1024, garbage);
}
}
#endif
}
glBufferSubData(p_target, p_offset, p_data_size, p_data);
}
#endif // GLES3_ENABLED
#endif // RASTERIZER_STORAGE_OPENGL_H