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godot/drivers/gles2/rasterizer_storage_gles2.h

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/*************************************************************************/
/* rasterizer_storage_gles2.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 RASTERIZERSTORAGEGLES2_H
#define RASTERIZERSTORAGEGLES2_H
#include "drivers/gles_common/rasterizer_platforms.h"
#ifdef GLES2_BACKEND_ENABLED
#include "core/templates/local_vector.h"
#include "core/templates/rid_owner.h"
#include "core/templates/self_list.h"
#include "drivers/gles_common/rasterizer_asserts.h"
#include "drivers/gles_common/rasterizer_common_stubs.h"
#include "drivers/gles_common/rasterizer_version.h"
#include "servers/rendering/renderer_compositor.h"
#include "servers/rendering/shader_language.h"
#include "shader_compiler_gles2.h"
#include "shader_gles2.h"
#include "shaders/copy.glsl.gen.h"
#include "shaders/cubemap_filter.glsl.gen.h"
class RasterizerCanvasGLES2;
class RasterizerSceneGLES2;
class RasterizerStorageGLES2 : public StubsStorage {
friend class RasterizerGLES2;
Thread::ID _main_thread_id = 0;
bool _is_main_thread();
public:
RasterizerCanvasGLES2 *canvas;
RasterizerSceneGLES2 *scene;
static GLuint system_fbo;
struct Config {
bool shrink_textures_x2;
bool use_fast_texture_filter;
bool use_skeleton_software;
int max_vertex_texture_image_units;
int max_texture_image_units;
int max_texture_size;
// TODO implement wireframe in GLES2
// bool generate_wireframes;
Set<String> extensions;
bool float_texture_supported;
bool s3tc_supported;
bool etc1_supported;
bool pvrtc_supported;
bool rgtc_supported;
bool bptc_supported;
bool keep_original_textures;
bool force_vertex_shading;
bool use_rgba_2d_shadows;
bool use_rgba_3d_shadows;
bool support_32_bits_indices;
bool support_write_depth;
bool support_half_float_vertices;
bool support_npot_repeat_mipmap;
bool support_depth_texture;
bool support_depth_cubemaps;
bool support_shadow_cubemaps;
bool multisample_supported;
bool render_to_mipmap_supported;
GLuint depth_internalformat;
GLuint depth_type;
GLuint depth_buffer_internalformat;
// in some cases the legacy render didn't orphan. We will mark these
// so the user can switch orphaning off for them.
bool should_orphan;
} 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;
mutable struct Shaders {
ShaderCompilerGLES2 compiler;
CopyShaderGLES2 copy;
CubemapFilterShaderGLES2 cubemap_filter;
ShaderCompilerGLES2::IdentifierActions actions_canvas;
ShaderCompilerGLES2::IdentifierActions actions_scene;
ShaderCompilerGLES2::IdentifierActions actions_particles;
} shaders;
struct Info {
uint64_t texture_mem;
uint64_t vertex_mem;
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() :
texture_mem(0),
vertex_mem(0) {
render.reset();
render_final.reset();
}
} info;
void bind_quad_array() const;
/////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////DATA///////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////
/*
struct Instantiable {
RID self;
SelfList<InstanceBaseDependency>::List instance_list;
_FORCE_INLINE_ void instance_change_notify(bool p_aabb, bool p_materials) {
SelfList<InstanceBaseDependency> *instances = instance_list.first();
while (instances) {
instances->self()->base_changed(p_aabb, p_materials);
instances = instances->next();
}
}
_FORCE_INLINE_ void instance_remove_deps() {
SelfList<InstanceBaseDependency> *instances = instance_list.first();
while (instances) {
instances->self()->base_removed();
instances = instances->next();
}
}
Instantiable() {}
virtual ~Instantiable() {}
};
struct GeometryOwner : public Instantiable {
};
struct Geometry : public Instantiable {
enum Type {
GEOMETRY_INVALID,
GEOMETRY_SURFACE,
GEOMETRY_IMMEDIATE,
GEOMETRY_MULTISURFACE
};
Type type;
RID material;
uint64_t last_pass;
uint32_t index;
virtual void material_changed_notify() {}
Geometry() {
last_pass = 0;
index = 0;
}
};
*/
/////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////API////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////
// TEXTURE API
enum GLESTextureFlags {
TEXTURE_FLAG_MIPMAPS = 1, /// Enable automatic mipmap generation - when available
TEXTURE_FLAG_REPEAT = 2, /// Repeat texture (Tiling), otherwise Clamping
TEXTURE_FLAG_FILTER = 4, /// Create texture with linear (or available) filter
TEXTURE_FLAG_ANISOTROPIC_FILTER = 8,
TEXTURE_FLAG_CONVERT_TO_LINEAR = 16,
TEXTURE_FLAG_MIRRORED_REPEAT = 32, /// Repeat texture, with alternate sections mirrored
TEXTURE_FLAG_USED_FOR_STREAMING = 2048,
TEXTURE_FLAGS_DEFAULT = TEXTURE_FLAG_REPEAT | TEXTURE_FLAG_MIPMAPS | TEXTURE_FLAG_FILTER
};
struct RenderTarget;
struct Texture {
RID self;
Texture *proxy;
Set<Texture *> proxy_owners;
String path;
uint32_t flags;
int width, height, depth;
int alloc_width, alloc_height;
Image::Format format;
GD_RD::TextureType type;
GLenum target;
GLenum gl_format_cache;
GLenum gl_internal_format_cache;
GLenum gl_type_cache;
int data_size;
int total_data_size;
bool ignore_mipmaps;
bool compressed;
bool srgb;
int mipmaps;
bool resize_to_po2;
bool active;
GLenum tex_id;
uint16_t stored_cube_sides;
RenderTarget *render_target;
Vector<Ref<Image>> images;
bool redraw_if_visible;
GD_VS::TextureDetectCallback detect_3d;
void *detect_3d_ud;
GD_VS::TextureDetectCallback detect_srgb;
void *detect_srgb_ud;
GD_VS::TextureDetectCallback detect_normal;
void *detect_normal_ud;
// some silly opengl shenanigans where
// texture coords start from bottom left, means we need to draw render target textures upside down
// to be compatible with vulkan etc.
bool is_upside_down() const {
if (proxy)
return proxy->is_upside_down();
return render_target != nullptr;
}
Texture() {
create();
}
_ALWAYS_INLINE_ Texture *get_ptr() {
if (proxy) {
return proxy; //->get_ptr(); only one level of indirection, else not inlining possible.
} else {
return this;
}
}
~Texture() {
destroy();
if (tex_id != 0) {
glDeleteTextures(1, &tex_id);
}
}
void copy_from(const Texture &o) {
proxy = o.proxy;
flags = o.flags;
width = o.width;
height = o.height;
alloc_width = o.alloc_width;
alloc_height = o.alloc_height;
format = o.format;
type = o.type;
target = o.target;
data_size = o.data_size;
total_data_size = o.total_data_size;
ignore_mipmaps = o.ignore_mipmaps;
compressed = o.compressed;
mipmaps = o.mipmaps;
resize_to_po2 = o.resize_to_po2;
active = o.active;
tex_id = o.tex_id;
stored_cube_sides = o.stored_cube_sides;
render_target = o.render_target;
redraw_if_visible = o.redraw_if_visible;
detect_3d = o.detect_3d;
detect_3d_ud = o.detect_3d_ud;
detect_srgb = o.detect_srgb;
detect_srgb_ud = o.detect_srgb_ud;
detect_normal = o.detect_normal;
detect_normal_ud = o.detect_normal_ud;
images.clear();
}
void create() {
proxy = nullptr;
flags = 0;
width = 0;
height = 0;
alloc_width = 0;
alloc_height = 0;
format = Image::FORMAT_L8;
type = GD_RD::TEXTURE_TYPE_2D;
target = 0;
data_size = 0;
total_data_size = 0;
ignore_mipmaps = false;
compressed = false;
mipmaps = 0;
resize_to_po2 = false;
active = false;
tex_id = 0;
stored_cube_sides = 0;
render_target = nullptr;
redraw_if_visible = false;
detect_3d = nullptr;
detect_3d_ud = nullptr;
detect_srgb = nullptr;
detect_srgb_ud = nullptr;
detect_normal = nullptr;
detect_normal_ud = nullptr;
}
void destroy() {
images.clear();
for (Set<Texture *>::Element *E = proxy_owners.front(); E; E = E->next()) {
E->get()->proxy = NULL;
}
if (proxy) {
proxy->proxy_owners.erase(this);
}
}
// texture state
void GLSetFilter(GLenum p_target, RS::CanvasItemTextureFilter p_filter) {
if (p_filter == state_filter)
return;
state_filter = p_filter;
GLint pmin = GL_LINEAR; // param min
GLint pmag = GL_LINEAR; // param mag
switch (state_filter) {
default: {
} break;
case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS: {
pmin = GL_LINEAR_MIPMAP_LINEAR;
pmag = GL_LINEAR;
} break;
case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST: {
pmin = GL_NEAREST;
pmag = GL_NEAREST;
} break;
case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS: {
pmin = GL_NEAREST_MIPMAP_NEAREST;
pmag = GL_NEAREST;
} break;
}
glTexParameteri(p_target, GL_TEXTURE_MIN_FILTER, pmin);
glTexParameteri(p_target, GL_TEXTURE_MAG_FILTER, pmag);
}
void GLSetRepeat(RS::CanvasItemTextureRepeat p_repeat) {
if (p_repeat == state_repeat)
return;
state_repeat = p_repeat;
GLint prep = GL_CLAMP_TO_EDGE; // parameter repeat
switch (state_repeat) {
default: {
} break;
case RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED: {
prep = GL_REPEAT;
} break;
case RS::CANVAS_ITEM_TEXTURE_REPEAT_MIRROR: {
prep = GL_MIRRORED_REPEAT;
} break;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, prep);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, prep);
}
private:
RS::CanvasItemTextureFilter state_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR;
RS::CanvasItemTextureRepeat state_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED;
};
mutable RID_PtrOwner<Texture> texture_owner;
Ref<Image> _get_gl_image_and_format(const Ref<Image> &p_image, Image::Format p_format, uint32_t p_flags, Image::Format &r_real_format, GLenum &r_gl_format, GLenum &r_gl_internal_format, GLenum &r_gl_type, bool &r_compressed, bool p_force_decompress) const;
void _texture_set_state_from_flags(Texture *p_tex);
// new
RID texture_allocate() override;
void texture_2d_initialize(RID p_texture, const Ref<Image> &p_image) override;
// RID texture_2d_create(const Ref<Image> &p_image) override;
// RID texture_2d_layered_create(const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) override;
// RID texture_3d_create(Image::Format, int p_width, int p_height, int p_depth, bool p_mipmaps, const Vector<Ref<Image>> &p_data) override { return RID(); }
//RID texture_proxy_create(RID p_base) override;
//void texture_2d_update_immediate(RID p_texture, const Ref<Image> &p_image, int p_layer = 0) override;
void texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer = 0) override;
void texture_3d_update(RID p_texture, const Vector<Ref<Image>> &p_data) override {}
void texture_proxy_update(RID p_proxy, RID p_base) override {}
//RID texture_2d_placeholder_create() override;
//RID texture_2d_layered_placeholder_create(RenderingServer::TextureLayeredType p_layered_type) override { return RID(); }
//RID texture_3d_placeholder_create() override { return RID(); }
Ref<Image> texture_2d_get(RID p_texture) const override;
Ref<Image> texture_2d_layer_get(RID p_texture, int p_layer) const override { return Ref<Image>(); }
Vector<Ref<Image>> texture_3d_get(RID p_texture) const override { return Vector<Ref<Image>>(); }
void texture_replace(RID p_texture, RID p_by_texture) override;
//void texture_set_size_override(RID p_texture, int p_width, int p_height) override {}
void texture_add_to_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override {}
void texture_remove_from_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override {}
// old
virtual uint32_t texture_get_width(RID p_texture) const;
virtual uint32_t texture_get_height(RID p_texture) const;
private:
virtual RID texture_create();
//virtual void texture_allocate(RID p_texture, int p_width, int p_height, int p_depth_3d, Image::Format p_format, GD_RD::TextureType p_type, uint32_t p_flags = TEXTURE_FLAGS_DEFAULT);
void _texture_allocate_internal(RID p_texture, int p_width, int p_height, int p_depth_3d, Image::Format p_format, GD_RD::TextureType p_type, uint32_t p_flags = TEXTURE_FLAGS_DEFAULT);
virtual void texture_set_data(RID p_texture, const Ref<Image> &p_image, int p_layer = 0);
virtual void texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, int p_layer = 0);
//virtual Ref<Image> texture_get_data(RID p_texture, int p_layer = 0) const;
virtual void texture_set_flags(RID p_texture, uint32_t p_flags);
virtual uint32_t texture_get_flags(RID p_texture) const;
virtual Image::Format texture_get_format(RID p_texture) const;
virtual GD_RD::TextureType texture_get_type(RID p_texture) const;
virtual uint32_t texture_get_texid(RID p_texture) const;
virtual uint32_t texture_get_depth(RID p_texture) const;
void texture_set_size_override(RID p_texture, int p_width, int p_height) override;
virtual void texture_bind(RID p_texture, uint32_t p_texture_no);
virtual void texture_set_path(RID p_texture, const String &p_path) override;
virtual String texture_get_path(RID p_texture) const override;
virtual void texture_set_shrink_all_x2_on_set_data(bool p_enable);
virtual void texture_debug_usage(List<GD_VS::TextureInfo> *r_info) override;
virtual RID texture_create_radiance_cubemap(RID p_source, int p_resolution = -1) const;
virtual void textures_keep_original(bool p_enable);
virtual void texture_set_proxy(RID p_texture, RID p_proxy);
virtual Size2 texture_size_with_proxy(RID p_texture) override;
virtual void texture_set_detect_3d_callback(RID p_texture, GD_VS::TextureDetectCallback p_callback, void *p_userdata) override;
virtual void texture_set_detect_srgb_callback(RID p_texture, GD_VS::TextureDetectCallback p_callback, void *p_userdata);
virtual void texture_set_detect_normal_callback(RID p_texture, GD_VS::TextureDetectCallback p_callback, void *p_userdata) override;
void texture_set_detect_roughness_callback(RID p_texture, RS::TextureDetectRoughnessCallback p_callback, void *p_userdata) override {}
virtual void texture_set_force_redraw_if_visible(RID p_texture, bool p_enable) override;
public:
// CANVAS TEXTURE API
/*
RID canvas_texture_create() override { return RID(); }
void canvas_texture_set_channel(RID p_canvas_texture, RS::CanvasTextureChannel p_channel, RID p_texture) override {}
void canvas_texture_set_shading_parameters(RID p_canvas_texture, const Color &p_base_color, float p_shininess) override {}
void canvas_texture_set_texture_filter(RID p_item, RS::CanvasItemTextureFilter p_filter) override {}
void canvas_texture_set_texture_repeat(RID p_item, RS::CanvasItemTextureRepeat p_repeat) 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;
virtual RID sky_create();
virtual void sky_set_texture(RID p_sky, RID p_panorama, int p_radiance_size);
// SHADER API
struct Material;
struct Shader {
RID self;
GD_VS::ShaderMode mode;
ShaderGLES2 *shader;
String code;
SelfList<Material>::List materials;
Map<StringName, ShaderLanguage::ShaderNode::Uniform> uniforms;
uint32_t texture_count;
uint32_t custom_code_id;
uint32_t version;
SelfList<Shader> dirty_list;
Map<StringName, RID> default_textures;
Vector<ShaderLanguage::ShaderNode::Uniform::Hint> texture_hints;
bool valid;
String path;
uint32_t index;
uint64_t last_pass;
struct CanvasItem {
enum BlendMode {
BLEND_MODE_MIX,
BLEND_MODE_ADD,
BLEND_MODE_SUB,
BLEND_MODE_MUL,
BLEND_MODE_PMALPHA,
};
int blend_mode;
enum LightMode {
LIGHT_MODE_NORMAL,
LIGHT_MODE_UNSHADED,
LIGHT_MODE_LIGHT_ONLY
};
int light_mode;
// these flags are specifically for batching
// some of the logic is thus in rasterizer_storage.cpp
// we could alternatively set bitflags for each 'uses' and test on the fly
// defined in RasterizerStorageCommon::BatchFlags
unsigned int batch_flags;
bool uses_screen_texture;
bool uses_screen_uv;
bool uses_time;
bool uses_modulate;
bool uses_color;
bool uses_vertex;
// all these should disable item joining if used in a custom shader
bool uses_world_matrix;
bool uses_extra_matrix;
bool uses_projection_matrix;
bool uses_instance_custom;
} canvas_item;
struct Spatial {
enum BlendMode {
BLEND_MODE_MIX,
BLEND_MODE_ADD,
BLEND_MODE_SUB,
BLEND_MODE_MUL,
};
int blend_mode;
enum DepthDrawMode {
DEPTH_DRAW_OPAQUE,
DEPTH_DRAW_ALWAYS,
DEPTH_DRAW_NEVER,
DEPTH_DRAW_ALPHA_PREPASS,
};
int depth_draw_mode;
enum CullMode {
CULL_MODE_FRONT,
CULL_MODE_BACK,
CULL_MODE_DISABLED,
};
int cull_mode;
bool uses_alpha;
bool uses_alpha_scissor;
bool unshaded;
bool no_depth_test;
bool uses_vertex;
bool uses_discard;
bool uses_sss;
bool uses_screen_texture;
bool uses_depth_texture;
bool uses_time;
bool uses_tangent;
bool uses_ensure_correct_normals;
bool writes_modelview_or_projection;
bool uses_vertex_lighting;
bool uses_world_coordinates;
} spatial;
struct Particles {
} particles;
bool uses_vertex_time;
bool uses_fragment_time;
Shader() :
dirty_list(this) {
shader = NULL;
valid = false;
custom_code_id = 0;
version = 1;
last_pass = 0;
}
};
mutable RID_PtrOwner<Shader> shader_owner;
mutable SelfList<Shader>::List _shader_dirty_list;
void _shader_make_dirty(Shader *p_shader);
RID shader_allocate() override;
void shader_initialize(RID p_rid) override;
//virtual RID shader_create() override;
virtual void shader_set_code(RID p_shader, const String &p_code) override;
virtual String shader_get_code(RID p_shader) const override;
virtual void shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const override;
virtual void shader_set_default_texture_param(RID p_shader, const StringName &p_name, RID p_texture) override;
virtual RID shader_get_default_texture_param(RID p_shader, const StringName &p_name) const override;
virtual RS::ShaderNativeSourceCode shader_get_native_source_code(RID p_shader) const override { return RS::ShaderNativeSourceCode(); };
virtual void shader_add_custom_define(RID p_shader, const String &p_define);
virtual void shader_get_custom_defines(RID p_shader, Vector<String> *p_defines) const;
virtual void shader_remove_custom_define(RID p_shader, const String &p_define);
void _update_shader(Shader *p_shader) const;
void update_dirty_shaders();
// new
Variant shader_get_param_default(RID p_material, const StringName &p_param) const override { return Variant(); }
// COMMON MATERIAL API
struct Material {
RID self;
Shader *shader;
Map<StringName, Variant> params;
SelfList<Material> list;
SelfList<Material> dirty_list;
Vector<Pair<StringName, RID>> textures;
float line_width;
int render_priority;
RID next_pass;
uint32_t index;
uint64_t last_pass;
// Map<Geometry *, int> geometry_owners;
// Map<InstanceBaseDependency *, int> instance_owners;
bool can_cast_shadow_cache;
bool is_animated_cache;
Material() :
list(this),
dirty_list(this) {
can_cast_shadow_cache = false;
is_animated_cache = false;
shader = NULL;
line_width = 1.0;
last_pass = 0;
render_priority = 0;
}
};
mutable SelfList<Material>::List _material_dirty_list;
void _material_make_dirty(Material *p_material) const;
// void _material_add_geometry(RID p_material, Geometry *p_geometry);
// void _material_remove_geometry(RID p_material, Geometry *p_geometry);
void _update_material(Material *p_material);
mutable RID_PtrOwner<Material> material_owner;
// new
void material_get_instance_shader_parameters(RID p_material, List<InstanceShaderParam> *r_parameters) override {}
void material_update_dependency(RID p_material, DependencyTracker *p_instance) override {}
// old
RID material_allocate() override;
void material_initialize(RID p_rid) override;
//virtual RID material_create() override;
virtual void material_set_shader(RID p_material, RID p_shader) override;
virtual RID material_get_shader(RID p_material) const;
virtual void material_set_param(RID p_material, const StringName &p_param, const Variant &p_value) override;
virtual Variant material_get_param(RID p_material, const StringName &p_param) const override;
virtual Variant material_get_param_default(RID p_material, const StringName &p_param) const;
virtual void material_set_line_width(RID p_material, float p_width);
virtual void material_set_next_pass(RID p_material, RID p_next_material) override;
virtual bool material_is_animated(RID p_material) override;
virtual bool material_casts_shadows(RID p_material) override;
virtual bool material_uses_tangents(RID p_material);
virtual bool material_uses_ensure_correct_normals(RID p_material);
virtual void material_add_instance_owner(RID p_material, DependencyTracker *p_instance);
virtual void material_remove_instance_owner(RID p_material, DependencyTracker *p_instance);
virtual void material_set_render_priority(RID p_material, int priority) override;
void update_dirty_materials();
// RENDER TARGET
struct RenderTarget {
RID self;
GLuint fbo;
GLuint color;
GLuint depth;
GLuint multisample_fbo;
GLuint multisample_color;
GLuint multisample_depth;
bool multisample_active;
struct Effect {
GLuint fbo;
int width;
int height;
GLuint color;
Effect() :
fbo(0),
width(0),
height(0),
color(0) {
}
};
Effect copy_screen_effect;
struct MipMaps {
struct Size {
GLuint fbo;
GLuint color;
int width;
int height;
};
Vector<Size> sizes;
GLuint color;
int levels;
MipMaps() :
color(0),
levels(0) {
}
};
MipMaps mip_maps[2];
struct External {
GLuint fbo;
GLuint color;
GLuint depth;
RID texture;
External() :
fbo(0),
color(0),
depth(0) {
}
} external;
int x, y, width, height;
bool flags[RENDER_TARGET_FLAG_MAX];
// instead of allocating sized render targets immediately,
// defer this for faster startup
bool allocate_is_dirty = false;
bool used_in_frame;
GD_VS::ViewportMSAA msaa;
bool use_fxaa;
bool use_debanding;
RID texture;
bool used_dof_blur_near;
bool mip_maps_allocated;
Color clear_color;
bool clear_requested;
RenderTarget() :
fbo(0),
color(0),
depth(0),
multisample_fbo(0),
multisample_color(0),
multisample_depth(0),
multisample_active(false),
x(0),
y(0),
width(0),
height(0),
used_in_frame(false),
msaa(GD_VS::VIEWPORT_MSAA_DISABLED),
use_fxaa(false),
use_debanding(false),
used_dof_blur_near(false),
mip_maps_allocated(false),
clear_color(Color(1, 1, 1, 1)),
clear_requested(false) {
for (int i = 0; i < RENDER_TARGET_FLAG_MAX; ++i) {
flags[i] = false;
}
external.fbo = 0;
}
};
mutable RID_PtrOwner<RenderTarget> render_target_owner;
void _render_target_clear(RenderTarget *rt);
void _render_target_allocate(RenderTarget *rt);
void _set_current_render_target(RID p_render_target);
virtual RID render_target_create() override;
virtual void render_target_set_position(RID p_render_target, int p_x, int p_y) override;
virtual void render_target_set_size(RID p_render_target, int p_width, int p_height, uint32_t p_view_count) override;
virtual RID render_target_get_texture(RID p_render_target) override;
virtual void render_target_set_external_texture(RID p_render_target, unsigned int p_texture_id) override;
virtual void render_target_set_flag(RID p_render_target, RenderTargetFlags p_flag, bool p_value) override;
virtual bool render_target_was_used(RID p_render_target) override;
virtual void render_target_clear_used(RID p_render_target);
virtual void render_target_set_msaa(RID p_render_target, GD_VS::ViewportMSAA p_msaa);
virtual void render_target_set_use_fxaa(RID p_render_target, bool p_fxaa);
virtual void render_target_set_use_debanding(RID p_render_target, bool p_debanding);
// new
void render_target_set_as_unused(RID p_render_target) override { render_target_clear_used(p_render_target); }
void render_target_request_clear(RID p_render_target, const Color &p_clear_color) override;
bool render_target_is_clear_requested(RID p_render_target) override;
Color render_target_get_clear_request_color(RID p_render_target) override;
void render_target_disable_clear_request(RID p_render_target) override;
void render_target_do_clear_request(RID p_render_target) override;
// access from canvas
// 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;
virtual 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;
virtual RID canvas_light_occluder_create();
virtual void canvas_light_occluder_set_polylines(RID p_occluder, const LocalVector<Vector2> &p_lines);
*/
virtual GD_VS::InstanceType get_base_type(RID p_rid) const override;
virtual bool free(RID p_rid) override;
struct Frame {
RenderTarget *current_rt;
// these 2 may have been superceded by the equivalents in the render target.
// these may be able to be removed.
bool clear_request;
Color clear_request_color;
float time[4];
float delta;
uint64_t count;
Frame() {
// current_rt = nullptr;
// clear_request = false;
}
} frame;
void initialize();
void finalize();
void _copy_screen();
virtual bool has_os_feature(const String &p_feature) const override;
virtual void update_dirty_resources() override;
virtual void set_debug_generate_wireframes(bool p_generate) override;
// virtual void render_info_begin_capture() override;
// virtual void render_info_end_capture() override;
// virtual int get_captured_render_info(GD_VS::RenderInfo p_info) override;
// virtual int get_render_info(GD_VS::RenderInfo p_info) override;
virtual String get_video_adapter_name() const override;
virtual String get_video_adapter_vendor() 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(); }
// make access easier to these
struct Dimensions {
// render target
int rt_width;
int rt_height;
// window
int win_width;
int win_height;
Dimensions() {
rt_width = 0;
rt_height = 0;
win_width = 0;
win_height = 0;
}
} _dims;
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;
void bind_framebuffer(GLuint framebuffer) {
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
}
void bind_framebuffer_system() {
glBindFramebuffer(GL_FRAMEBUFFER, RasterizerStorageGLES2::system_fbo);
}
RasterizerStorageGLES2();
};
inline bool RasterizerStorageGLES2::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 RasterizerStorageGLES2::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, NULL, 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
}
RAST_DEV_DEBUG_ASSERT((p_offset + p_data_size) <= p_buffer_size);
glBufferSubData(p_target, p_offset, p_data_size, p_data);
}
#endif // GLES2_BACKEND_ENABLED
#endif // RASTERIZERSTORAGEGLES2_H
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