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pandemonium_engine_minimal/drivers/gles2/rasterizer_storage_gles2.h

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#ifndef RASTERIZERSTORAGEGLES2_H
#define RASTERIZERSTORAGEGLES2_H
/*************************************************************************/
/* rasterizer_storage_gles2.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. */
/*************************************************************************/
#include "core/containers/bitfield_dynamic.h"
#include "core/containers/pool_vector.h"
#include "core/containers/self_list.h"
#include "drivers/gles_common/rasterizer_asserts.h"
#include "servers/rendering/rasterizer.h"
#include "servers/rendering/shader_language.h"
#include "shader_compiler_gles2.h"
#include "shader_gles2.h"
#include "shaders/copy.glsl.gen.h"
class RasterizerCanvasGLES2;
#define WRAPPED_GL_ACTIVE_TEXTURE storage->gl_wrapper.gl_active_texture
class RasterizerStorageGLES2 : public RasterizerStorage {
public:
RasterizerCanvasGLES2 *canvas;
static GLuint system_fbo;
struct Config {
bool shrink_textures_x2;
bool use_fast_texture_filter;
bool use_anisotropic_filter;
bool use_physical_light_attenuation;
int max_vertex_texture_image_units;
int max_texture_image_units;
int max_texture_size;
int max_cubemap_texture_size;
int max_viewport_dimensions[2];
// TODO implement wireframe in GLES2
// bool generate_wireframes;
RBSet<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;
float anisotropic_level;
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 transparent_tex;
GLuint normal_tex;
GLuint aniso_tex;
GLuint mipmap_blur_fbo;
GLuint mipmap_blur_color;
GLuint radical_inverse_vdc_cache_tex;
GLuint quadie;
size_t blend_shape_transform_cpu_buffer_size;
PoolVector<float> blend_shape_transform_cpu_buffer;
} resources;
mutable struct Shaders {
ShaderCompilerGLES2 compiler;
CopyShaderGLES2 copy;
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 : public RID_Data {
_FORCE_INLINE_ void instance_change_notify(bool p_aabb, bool p_materials) {
}
_FORCE_INLINE_ void instance_remove_deps() {
}
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 */
struct RenderTarget;
struct Texture : RID_Data {
Texture *proxy;
RBSet<Texture *> proxy_owners;
String path;
uint32_t flags;
int width, height, depth;
int alloc_width, alloc_height;
Image::Format format;
RS::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;
RenderingServer::TextureDetectCallback detect_3d;
void *detect_3d_ud;
RenderingServer::TextureDetectCallback detect_srgb;
void *detect_srgb_ud;
RenderingServer::TextureDetectCallback detect_normal;
void *detect_normal_ud;
Texture() :
proxy(nullptr),
flags(0),
width(0),
height(0),
alloc_width(0),
alloc_height(0),
format(Image::FORMAT_L8),
type(RS::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) {
}
_ALWAYS_INLINE_ Texture *get_ptr() {
if (proxy) {
return proxy; //->get_ptr(); only one level of indirection, else not inlining possible.
} else {
return this;
}
}
~Texture() {
if (tex_id != 0) {
glDeleteTextures(1, &tex_id);
}
for (RBSet<Texture *>::Element *E = proxy_owners.front(); E; E = E->next()) {
E->get()->proxy = nullptr;
}
if (proxy) {
proxy->proxy_owners.erase(this);
}
}
};
mutable RID_Owner<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;
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, RS::TextureType p_type, uint32_t p_flags = RS::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 RS::TextureType texture_get_type(RID p_texture) const;
virtual uint32_t texture_get_texid(RID p_texture) const;
virtual uint32_t texture_get_width(RID p_texture) const;
virtual uint32_t texture_get_height(RID p_texture) const;
virtual uint32_t texture_get_depth(RID p_texture) const;
virtual void texture_set_size_override(RID p_texture, int p_width, int p_height, int p_depth);
virtual void texture_bind(RID p_texture, uint32_t p_texture_no);
virtual void texture_set_path(RID p_texture, const String &p_path);
virtual String texture_get_path(RID p_texture) const;
virtual void texture_set_shrink_all_x2_on_set_data(bool p_enable);
virtual void texture_debug_usage(List<RS::TextureInfo> *r_info);
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) const;
virtual void texture_set_detect_3d_callback(RID p_texture, RenderingServer::TextureDetectCallback p_callback, void *p_userdata);
virtual void texture_set_detect_srgb_callback(RID p_texture, RenderingServer::TextureDetectCallback p_callback, void *p_userdata);
virtual void texture_set_detect_normal_callback(RID p_texture, RenderingServer::TextureDetectCallback p_callback, void *p_userdata);
virtual void texture_set_force_redraw_if_visible(RID p_texture, bool p_enable);
/* SHADER API */
struct Material;
struct Shader : public RID_Data {
RID self;
RS::ShaderMode mode;
ShaderGLES2 *shader;
String code;
SelfList<Material>::List materials;
RBMap<StringName, ShaderLanguage::ShaderNode::Uniform> uniforms;
uint32_t texture_count;
uint32_t custom_code_id;
uint32_t version;
SelfList<Shader> dirty_list;
RBMap<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 = nullptr;
valid = false;
custom_code_id = 0;
version = 1;
last_pass = 0;
}
};
mutable RID_Owner<Shader> shader_owner;
mutable SelfList<Shader>::List _shader_dirty_list;
void _shader_make_dirty(Shader *p_shader);
virtual RID shader_create();
virtual void shader_set_code(RID p_shader, const String &p_code);
virtual String shader_get_code(RID p_shader) const;
virtual void shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const;
virtual void shader_set_default_texture_param(RID p_shader, const StringName &p_name, RID p_texture);
virtual RID shader_get_default_texture_param(RID p_shader, const StringName &p_name) const;
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 set_shader_async_hidden_forbidden(bool p_forbidden) {}
bool is_shader_async_hidden_forbidden() { return false; }
void _update_shader(Shader *p_shader) const;
void update_dirty_shaders();
/* COMMON MATERIAL API */
struct Material : public RID_Data {
Shader *shader;
RBMap<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;
RBMap<Geometry *, int> geometry_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 = nullptr;
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_Owner<Material> material_owner;
virtual RID material_create();
virtual void material_set_shader(RID p_material, RID p_shader);
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);
virtual Variant material_get_param(RID p_material, const StringName &p_param) const;
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);
virtual bool material_is_animated(RID p_material);
virtual bool material_casts_shadows(RID p_material);
virtual bool material_uses_tangents(RID p_material);
virtual bool material_uses_ensure_correct_normals(RID p_material);
virtual void material_set_render_priority(RID p_material, int priority);
void update_dirty_materials();
/* MESH API */
struct Mesh;
struct Surface : public Geometry {
struct Attrib {
bool enabled;
bool integer;
GLuint index;
GLint size;
GLenum type;
GLboolean normalized;
GLsizei stride;
uint32_t offset;
};
Attrib attribs[RS::ARRAY_MAX];
Mesh *mesh;
uint32_t format;
GLuint vertex_id;
GLuint index_id;
AABB aabb;
int array_len;
int index_array_len;
int max_bone;
int array_byte_size;
int index_array_byte_size;
RS::PrimitiveType primitive;
bool active;
PoolVector<uint8_t> data;
PoolVector<uint8_t> index_data;
Vector<PoolVector<uint8_t>> blend_shape_data;
GLuint blend_shape_buffer_id;
size_t blend_shape_buffer_size;
int total_data_size;
Surface() :
mesh(nullptr),
array_len(0),
index_array_len(0),
array_byte_size(0),
index_array_byte_size(0),
primitive(RS::PRIMITIVE_POINTS),
active(false),
total_data_size(0) {
}
};
struct MultiMesh;
struct Mesh : public GeometryOwner {
bool active;
Vector<Surface *> surfaces;
int blend_shape_count;
RS::BlendShapeMode blend_shape_mode;
PoolRealArray blend_shape_values;
SelfList<Mesh> update_list;
AABB custom_aabb;
mutable uint64_t last_pass;
SelfList<MultiMesh>::List multimeshes;
_FORCE_INLINE_ void update_multimeshes() {
SelfList<MultiMesh> *mm = multimeshes.first();
while (mm) {
mm->self()->instance_change_notify(false, true);
mm = mm->next();
}
}
Mesh() :
blend_shape_count(0),
blend_shape_mode(RS::BLEND_SHAPE_MODE_NORMALIZED),
blend_shape_values(PoolRealArray()),
update_list(this) {
}
};
mutable RID_Owner<Mesh> mesh_owner;
SelfList<Mesh>::List blend_shapes_update_list;
virtual RID mesh_create();
virtual void mesh_add_surface(RID p_mesh, uint32_t p_format, RS::PrimitiveType p_primitive, const PoolVector<uint8_t> &p_array, int p_vertex_count, const PoolVector<uint8_t> &p_index_array, int p_index_count, const AABB &p_aabb, const Vector<PoolVector<uint8_t>> &p_blend_shapes = Vector<PoolVector<uint8_t>>(), const Vector<AABB> &p_bone_aabbs = Vector<AABB>());
virtual void mesh_set_blend_shape_count(RID p_mesh, int p_amount);
virtual int mesh_get_blend_shape_count(RID p_mesh) const;
virtual void mesh_set_blend_shape_mode(RID p_mesh, RS::BlendShapeMode p_mode);
virtual RS::BlendShapeMode mesh_get_blend_shape_mode(RID p_mesh) const;
virtual void mesh_set_blend_shape_values(RID p_mesh, PoolVector<float> p_values);
virtual PoolVector<float> mesh_get_blend_shape_values(RID p_mesh) const;
virtual void mesh_surface_update_region(RID p_mesh, int p_surface, int p_offset, const PoolVector<uint8_t> &p_data);
virtual void mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material);
virtual RID mesh_surface_get_material(RID p_mesh, int p_surface) const;
virtual int mesh_surface_get_array_len(RID p_mesh, int p_surface) const;
virtual int mesh_surface_get_array_index_len(RID p_mesh, int p_surface) const;
virtual PoolVector<uint8_t> mesh_surface_get_array(RID p_mesh, int p_surface) const;
virtual PoolVector<uint8_t> mesh_surface_get_index_array(RID p_mesh, int p_surface) const;
virtual uint32_t mesh_surface_get_format(RID p_mesh, int p_surface) const;
virtual RS::PrimitiveType mesh_surface_get_primitive_type(RID p_mesh, int p_surface) const;
virtual AABB mesh_surface_get_aabb(RID p_mesh, int p_surface) const;
virtual Vector<PoolVector<uint8_t>> mesh_surface_get_blend_shapes(RID p_mesh, int p_surface) const;
virtual void mesh_remove_surface(RID p_mesh, int p_surface);
virtual int mesh_get_surface_count(RID p_mesh) const;
virtual void mesh_set_custom_aabb(RID p_mesh, const AABB &p_aabb);
virtual AABB mesh_get_custom_aabb(RID p_mesh) const;
virtual AABB mesh_get_aabb(RID p_mesh) const;
virtual void mesh_clear(RID p_mesh);
void update_dirty_blend_shapes();
/* MULTIMESH API */
struct MultiMesh : public GeometryOwner {
RID mesh;
int size;
RS::MultimeshTransformFormat transform_format;
RS::MultimeshColorFormat color_format;
RS::MultimeshCustomDataFormat custom_data_format;
Vector<float> data;
AABB aabb;
SelfList<MultiMesh> update_list;
SelfList<MultiMesh> mesh_list;
int visible_instances;
int xform_floats;
int color_floats;
int custom_data_floats;
bool dirty_aabb;
bool dirty_data;
MMInterpolator interpolator;
LocalVector<RID> linked_canvas_items;
MultiMesh() :
size(0),
transform_format(RS::MULTIMESH_TRANSFORM_2D),
color_format(RS::MULTIMESH_COLOR_NONE),
custom_data_format(RS::MULTIMESH_CUSTOM_DATA_NONE),
update_list(this),
mesh_list(this),
visible_instances(-1),
xform_floats(0),
color_floats(0),
custom_data_floats(0),
dirty_aabb(true),
dirty_data(true) {
}
};
mutable RID_Owner<MultiMesh> multimesh_owner;
SelfList<MultiMesh>::List multimesh_update_list;
virtual RID _multimesh_create();
virtual void _multimesh_allocate(RID p_multimesh, int p_instances, RS::MultimeshTransformFormat p_transform_format, RS::MultimeshColorFormat p_color_format, RS::MultimeshCustomDataFormat p_data = RS::MULTIMESH_CUSTOM_DATA_NONE);
virtual int _multimesh_get_instance_count(RID p_multimesh) const;
virtual void _multimesh_set_mesh(RID p_multimesh, RID p_mesh);
virtual void _multimesh_instance_set_transform(RID p_multimesh, int p_index, const Transform &p_transform);
virtual void _multimesh_instance_set_transform_2d(RID p_multimesh, int p_index, const Transform2D &p_transform);
virtual void _multimesh_instance_set_color(RID p_multimesh, int p_index, const Color &p_color);
virtual void _multimesh_instance_set_custom_data(RID p_multimesh, int p_index, const Color &p_custom_data);
virtual RID _multimesh_get_mesh(RID p_multimesh) const;
virtual Transform _multimesh_instance_get_transform(RID p_multimesh, int p_index) const;
virtual Transform2D _multimesh_instance_get_transform_2d(RID p_multimesh, int p_index) const;
virtual Color _multimesh_instance_get_color(RID p_multimesh, int p_index) const;
virtual Color _multimesh_instance_get_custom_data(RID p_multimesh, int p_index) const;
virtual void _multimesh_set_as_bulk_array(RID p_multimesh, const PoolVector<float> &p_array);
virtual void _multimesh_set_visible_instances(RID p_multimesh, int p_visible);
virtual int _multimesh_get_visible_instances(RID p_multimesh) const;
virtual AABB _multimesh_get_aabb(RID p_multimesh) const;
virtual MMInterpolator *_multimesh_get_interpolator(RID p_multimesh) const;
virtual void multimesh_attach_canvas_item(RID p_multimesh, RID p_canvas_item, bool p_attach);
void update_dirty_multimeshes();
/* RENDER TARGET */
struct RenderTarget : public RID_Data {
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;
bool depth_owned;
External() :
fbo(0),
color(0),
depth(0),
depth_owned(false) {
}
} external;
int x, y, width, height;
bool flags[RENDER_TARGET_FLAG_MAX];
bool used_in_frame;
RS::ViewportMSAA msaa;
bool use_fxaa;
bool use_debanding;
float sharpen_intensity;
RID texture;
bool used_dof_blur_near;
bool mip_maps_allocated;
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(RS::VIEWPORT_MSAA_DISABLED),
use_fxaa(false),
use_debanding(false),
sharpen_intensity(0.0),
used_dof_blur_near(false),
mip_maps_allocated(false) {
for (int i = 0; i < RENDER_TARGET_FLAG_MAX; ++i) {
flags[i] = false;
}
external.fbo = 0;
}
};
mutable RID_Owner<RenderTarget> render_target_owner;
void _render_target_clear(RenderTarget *rt);
void _render_target_allocate(RenderTarget *rt);
virtual RID render_target_create();
virtual void render_target_set_position(RID p_render_target, int p_x, int p_y);
virtual void render_target_set_size(RID p_render_target, int p_width, int p_height);
virtual RID render_target_get_texture(RID p_render_target) const;
virtual uint32_t render_target_get_depth_texture_id(RID p_render_target) const;
virtual void render_target_set_external_texture(RID p_render_target, unsigned int p_texture_id, unsigned int p_depth_id);
virtual void render_target_set_flag(RID p_render_target, RenderTargetFlags p_flag, bool p_value);
virtual bool render_target_was_used(RID p_render_target);
virtual void render_target_clear_used(RID p_render_target);
virtual void render_target_set_msaa(RID p_render_target, RS::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);
virtual void render_target_set_sharpen_intensity(RID p_render_target, float p_intensity);
virtual RS::InstanceType get_base_type(RID p_rid) const;
virtual bool free(RID p_rid);
struct Frame {
RenderTarget *current_rt;
bool clear_request;
Color clear_request_color;
float time[4];
float delta;
uint64_t count;
} frame;
struct GLWrapper {
mutable BitFieldDynamic texture_unit_table;
mutable LocalVector<uint32_t> texture_units_bound;
void gl_active_texture(GLenum p_texture) const {
::glActiveTexture(p_texture);
p_texture -= GL_TEXTURE0;
// Check for below zero and above max in one check.
ERR_FAIL_COND((unsigned int)p_texture >= texture_unit_table.get_num_bits());
// Set if the first occurrence in the table.
if (texture_unit_table.check_and_set(p_texture)) {
texture_units_bound.push_back(p_texture);
}
}
void initialize(int p_max_texture_image_units);
void reset();
} gl_wrapper;
void initialize();
void finalize();
void _copy_screen();
virtual bool has_os_feature(const String &p_feature) const;
virtual void update_dirty_resources();
virtual void set_debug_generate_wireframes(bool p_generate);
virtual void render_info_begin_capture();
virtual void render_info_end_capture();
virtual int get_captured_render_info(RS::RenderInfo p_info);
virtual uint64_t get_render_info(RS::RenderInfo p_info);
virtual String get_video_adapter_name() const;
virtual String get_video_adapter_vendor() const;
// NOTE : THESE SIZES ARE IN BYTES. BUFFER SIZES MAY NOT BE SPECIFIED IN BYTES SO REMEMBER TO CONVERT THEM WHEN CALLING.
void buffer_orphan_and_upload(unsigned int p_buffer_size_bytes, unsigned int p_offset_bytes, unsigned int p_data_size_bytes, 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;
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
// NOTE : THESE SIZES ARE IN BYTES. BUFFER SIZES MAY NOT BE SPECIFIED IN BYTES SO REMEMBER TO CONVERT THEM WHEN CALLING.
inline void RasterizerStorageGLES2::buffer_orphan_and_upload(unsigned int p_buffer_size_bytes, unsigned int p_offset_bytes, unsigned int p_data_size_bytes, 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_bytes, nullptr, p_usage);
#ifdef RASTERIZER_EXTRA_CHECKS
// fill with garbage off the end of the array
if (p_buffer_size_bytes) {
unsigned int start = p_offset_bytes + p_data_size_bytes;
unsigned int end = start + 1024;
if (end < p_buffer_size_bytes) {
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
}
ERR_FAIL_COND((p_offset_bytes + p_data_size_bytes) > p_buffer_size_bytes);
glBufferSubData(p_target, p_offset_bytes, p_data_size_bytes, p_data);
}
#endif // RASTERIZERSTORAGEGLES2_H
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