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virtualx-engine/drivers/gles3/storage/texture_storage.h
David Snopek 1a6f8512bc Add external texture support (GLES3) 
Co-authored-by: Fredia Huya-Kouadio <fhuyakou@gmail.com>
Co-authored-by: Mauricio Narvaez <nvz@meta.com>
2024-09-20 10:48:32 -05:00

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/**************************************************************************/
/* texture_storage.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 TEXTURE_STORAGE_GLES3_H
#define TEXTURE_STORAGE_GLES3_H
#ifdef GLES3_ENABLED
#include "platform_gl.h"
#include "config.h"
#include "core/os/os.h"
#include "core/templates/rid_owner.h"
#include "servers/rendering/renderer_compositor.h"
#include "servers/rendering/storage/texture_storage.h"
#include "drivers/gles3/shaders/canvas_sdf.glsl.gen.h"
namespace GLES3 {
#define _GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#define _GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
#define _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#define _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#define _EXT_COMPRESSED_RED_RGTC1_EXT 0x8DBB
#define _EXT_COMPRESSED_RED_RGTC1 0x8DBB
#define _EXT_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC
#define _EXT_COMPRESSED_RG_RGTC2 0x8DBD
#define _EXT_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE
#define _EXT_COMPRESSED_SIGNED_RED_RGTC1_EXT 0x8DBC
#define _EXT_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD
#define _EXT_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT 0x8DBE
#define _EXT_ETC1_RGB8_OES 0x8D64
#define _EXT_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C
#define _EXT_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D
#define _EXT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E
#define _EXT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F
#define _EXT_COMPRESSED_R11_EAC 0x9270
#define _EXT_COMPRESSED_SIGNED_R11_EAC 0x9271
#define _EXT_COMPRESSED_RG11_EAC 0x9272
#define _EXT_COMPRESSED_SIGNED_RG11_EAC 0x9273
#define _EXT_COMPRESSED_RGB8_ETC2 0x9274
#define _EXT_COMPRESSED_SRGB8_ETC2 0x9275
#define _EXT_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#define _EXT_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#define _EXT_COMPRESSED_RGBA8_ETC2_EAC 0x9278
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
#define _EXT_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
#define _EXT_COMPRESSED_RGBA_ASTC_5x4_KHR 0x93B1
#define _EXT_COMPRESSED_RGBA_ASTC_5x5_KHR 0x93B2
#define _EXT_COMPRESSED_RGBA_ASTC_6x5_KHR 0x93B3
#define _EXT_COMPRESSED_RGBA_ASTC_6x6_KHR 0x93B4
#define _EXT_COMPRESSED_RGBA_ASTC_8x5_KHR 0x93B5
#define _EXT_COMPRESSED_RGBA_ASTC_8x6_KHR 0x93B6
#define _EXT_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93B7
#define _EXT_COMPRESSED_RGBA_ASTC_10x5_KHR 0x93B8
#define _EXT_COMPRESSED_RGBA_ASTC_10x6_KHR 0x93B9
#define _EXT_COMPRESSED_RGBA_ASTC_10x8_KHR 0x93BA
#define _EXT_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB
#define _EXT_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC
#define _EXT_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
#define _GL_TEXTURE_EXTERNAL_OES 0x8D65
#define _EXT_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
enum DefaultGLTexture {
DEFAULT_GL_TEXTURE_WHITE,
DEFAULT_GL_TEXTURE_BLACK,
DEFAULT_GL_TEXTURE_TRANSPARENT,
DEFAULT_GL_TEXTURE_NORMAL,
DEFAULT_GL_TEXTURE_ANISO,
DEFAULT_GL_TEXTURE_DEPTH,
DEFAULT_GL_TEXTURE_CUBEMAP_BLACK,
//DEFAULT_GL_TEXTURE_CUBEMAP_ARRAY_BLACK, // Cubemap Arrays not supported in GL 3.3 or GL ES 3.0
DEFAULT_GL_TEXTURE_CUBEMAP_WHITE,
DEFAULT_GL_TEXTURE_3D_WHITE,
DEFAULT_GL_TEXTURE_3D_BLACK,
DEFAULT_GL_TEXTURE_2D_ARRAY_WHITE,
DEFAULT_GL_TEXTURE_2D_UINT,
DEFAULT_GL_TEXTURE_EXT,
DEFAULT_GL_TEXTURE_MAX
};
struct CanvasTexture {
RID diffuse;
RID normal_map;
RID specular;
Color specular_color = Color(1, 1, 1, 1);
float shininess = 1.0;
RS::CanvasItemTextureFilter texture_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_DEFAULT;
RS::CanvasItemTextureRepeat texture_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DEFAULT;
};
struct RenderTarget;
struct Texture {
RID self;
bool is_proxy = false;
bool is_from_native_handle = false;
bool is_render_target = false;
RID proxy_to;
Vector<RID> proxies;
String path;
int width = 0;
int height = 0;
int depth = 0;
int mipmaps = 1;
int layers = 1;
int alloc_width = 0;
int alloc_height = 0;
Image::Format format = Image::FORMAT_R8;
Image::Format real_format = Image::FORMAT_R8;
enum Type {
TYPE_2D,
TYPE_LAYERED,
TYPE_3D
};
Type type = TYPE_2D;
RS::TextureLayeredType layered_type = RS::TEXTURE_LAYERED_2D_ARRAY;
GLenum target = GL_TEXTURE_2D;
GLenum gl_format_cache = 0;
GLenum gl_internal_format_cache = 0;
GLenum gl_type_cache = 0;
int total_data_size = 0;
bool compressed = false;
bool resize_to_po2 = false;
bool active = false;
GLuint tex_id = 0;
uint16_t stored_cube_sides = 0;
RenderTarget *render_target = nullptr;
Ref<Image> image_cache_2d;
Vector<Ref<Image>> image_cache_3d;
bool redraw_if_visible = false;
RS::TextureDetectCallback detect_3d_callback = nullptr;
void *detect_3d_callback_ud = nullptr;
RS::TextureDetectCallback detect_normal_callback = nullptr;
void *detect_normal_callback_ud = nullptr;
RS::TextureDetectRoughnessCallback detect_roughness_callback = nullptr;
void *detect_roughness_callback_ud = nullptr;
CanvasTexture *canvas_texture = nullptr;
void copy_from(const Texture &o) {
proxy_to = o.proxy_to;
is_proxy = o.is_proxy;
is_from_native_handle = o.is_from_native_handle;
width = o.width;
height = o.height;
alloc_width = o.alloc_width;
alloc_height = o.alloc_height;
format = o.format;
type = o.type;
layered_type = o.layered_type;
target = o.target;
total_data_size = o.total_data_size;
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;
is_render_target = o.is_render_target;
redraw_if_visible = o.redraw_if_visible;
detect_3d_callback = o.detect_3d_callback;
detect_3d_callback_ud = o.detect_3d_callback_ud;
detect_normal_callback = o.detect_normal_callback;
detect_normal_callback_ud = o.detect_normal_callback_ud;
detect_roughness_callback = o.detect_roughness_callback;
detect_roughness_callback_ud = o.detect_roughness_callback_ud;
}
// texture state
void gl_set_filter(RS::CanvasItemTextureFilter p_filter) {
if (p_filter == state_filter) {
return;
}
Config *config = Config::get_singleton();
state_filter = p_filter;
GLenum pmin = GL_NEAREST;
GLenum pmag = GL_NEAREST;
GLint max_lod = 0;
GLfloat anisotropy = 1.0f;
switch (state_filter) {
case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST: {
pmin = GL_NEAREST;
pmag = GL_NEAREST;
max_lod = 0;
} break;
case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR: {
pmin = GL_LINEAR;
pmag = GL_LINEAR;
max_lod = 0;
} break;
case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC: {
anisotropy = config->anisotropic_level;
};
[[fallthrough]];
case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS: {
pmag = GL_NEAREST;
if (mipmaps <= 1) {
pmin = GL_NEAREST;
max_lod = 0;
} else if (config->use_nearest_mip_filter) {
pmin = GL_NEAREST_MIPMAP_NEAREST;
max_lod = 1000;
} else {
pmin = GL_NEAREST_MIPMAP_LINEAR;
max_lod = 1000;
}
} break;
case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC: {
anisotropy = config->anisotropic_level;
};
[[fallthrough]];
case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS: {
pmag = GL_LINEAR;
if (mipmaps <= 1) {
pmin = GL_LINEAR;
max_lod = 0;
} else if (config->use_nearest_mip_filter) {
pmin = GL_LINEAR_MIPMAP_NEAREST;
max_lod = 1000;
} else {
pmin = GL_LINEAR_MIPMAP_LINEAR;
max_lod = 1000;
}
} break;
default: {
return;
} break;
}
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, pmin);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, pmag);
glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, max_lod);
if (config->support_anisotropic_filter) {
glTexParameterf(target, _GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropy);
}
}
void gl_set_repeat(RS::CanvasItemTextureRepeat p_repeat) {
if (p_repeat == state_repeat) {
return;
}
state_repeat = p_repeat;
GLenum prep = GL_CLAMP_TO_EDGE;
switch (state_repeat) {
case RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED: {
prep = GL_CLAMP_TO_EDGE;
} break;
case RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED: {
prep = GL_REPEAT;
} break;
case RS::CANVAS_ITEM_TEXTURE_REPEAT_MIRROR: {
prep = GL_MIRRORED_REPEAT;
} break;
default: {
return;
} break;
}
glTexParameteri(target, GL_TEXTURE_WRAP_T, prep);
glTexParameteri(target, GL_TEXTURE_WRAP_R, prep);
glTexParameteri(target, GL_TEXTURE_WRAP_S, prep);
}
private:
RS::CanvasItemTextureFilter state_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_MAX;
RS::CanvasItemTextureRepeat state_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX;
};
struct RenderTarget {
Point2i position = Point2i(0, 0);
Size2i size = Size2i(0, 0);
uint32_t view_count = 1;
int mipmap_count = 1;
RID self;
GLuint fbo = 0;
GLuint color = 0;
GLuint depth = 0;
GLuint backbuffer_fbo = 0;
GLuint backbuffer = 0;
GLuint backbuffer_depth = 0;
bool hdr = false; // For Compatibility this effects both 2D and 3D rendering!
GLuint color_internal_format = GL_RGBA8;
GLuint color_format = GL_RGBA;
GLuint color_type = GL_UNSIGNED_BYTE;
uint32_t color_format_size = 4;
Image::Format image_format = Image::FORMAT_RGBA8;
GLuint sdf_texture_write = 0;
GLuint sdf_texture_write_fb = 0;
GLuint sdf_texture_process[2] = { 0, 0 };
GLuint sdf_texture_read = 0;
RS::ViewportSDFOversize sdf_oversize = RS::VIEWPORT_SDF_OVERSIZE_120_PERCENT;
RS::ViewportSDFScale sdf_scale = RS::VIEWPORT_SDF_SCALE_50_PERCENT;
Size2i process_size;
bool sdf_enabled = false;
bool is_transparent = false;
bool direct_to_screen = false;
bool used_in_frame = false;
RS::ViewportMSAA msaa = RS::VIEWPORT_MSAA_DISABLED;
bool reattach_textures = false;
struct RTOverridden {
bool is_overridden = false;
RID color;
RID depth;
RID velocity;
struct FBOCacheEntry {
GLuint fbo;
GLuint color;
GLuint depth;
Size2i size;
Vector<GLuint> allocated_textures;
};
RBMap<uint32_t, FBOCacheEntry> fbo_cache;
} overridden;
RID texture;
Color clear_color = Color(1, 1, 1, 1);
bool clear_requested = false;
RenderTarget() {
}
};
class TextureStorage : public RendererTextureStorage {
private:
static TextureStorage *singleton;
RID default_gl_textures[DEFAULT_GL_TEXTURE_MAX];
/* Canvas Texture API */
RID_Owner<CanvasTexture, true> canvas_texture_owner;
/* Texture API */
// Textures can be created from threads, so this RID_Owner is thread safe.
mutable RID_Owner<Texture, true> texture_owner;
Ref<Image> _get_gl_image_and_format(const Ref<Image> &p_image, Image::Format p_format, 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;
/* TEXTURE ATLAS API */
struct TextureAtlas {
struct Texture {
int users;
Rect2 uv_rect;
};
struct SortItem {
RID texture;
Size2i pixel_size;
Size2i size;
Point2i pos;
bool operator<(const SortItem &p_item) const {
//sort larger to smaller
if (size.height == p_item.size.height) {
return size.width > p_item.size.width;
} else {
return size.height > p_item.size.height;
}
}
};
HashMap<RID, Texture> textures;
bool dirty = true;
GLuint texture = 0;
GLuint framebuffer = 0;
Size2i size;
} texture_atlas;
/* Render Target API */
mutable RID_Owner<RenderTarget> render_target_owner;
void _clear_render_target(RenderTarget *rt);
void _update_render_target(RenderTarget *rt);
void _create_render_target_backbuffer(RenderTarget *rt);
void _render_target_allocate_sdf(RenderTarget *rt);
void _render_target_clear_sdf(RenderTarget *rt);
Rect2i _render_target_get_sdf_rect(const RenderTarget *rt) const;
void _texture_set_data(RID p_texture, const Ref<Image> &p_image, int p_layer, bool p_initialize);
void _texture_set_3d_data(RID p_texture, const Vector<Ref<Image>> &p_data, bool p_initialize);
void _texture_set_swizzle(Texture *p_texture, Image::Format p_real_format);
Vector<Ref<Image>> _texture_3d_read_framebuffer(Texture *p_texture) const;
struct RenderTargetSDF {
CanvasSdfShaderGLES3 shader;
RID shader_version;
} sdf_shader;
public:
static TextureStorage *get_singleton();
TextureStorage();
virtual ~TextureStorage();
_FORCE_INLINE_ RID texture_gl_get_default(DefaultGLTexture p_texture) {
return default_gl_textures[p_texture];
}
/* Canvas Texture API */
CanvasTexture *get_canvas_texture(RID p_rid) { return canvas_texture_owner.get_or_null(p_rid); };
bool owns_canvas_texture(RID p_rid) { return canvas_texture_owner.owns(p_rid); };
virtual RID canvas_texture_allocate() override;
virtual void canvas_texture_initialize(RID p_rid) override;
virtual void canvas_texture_free(RID p_rid) override;
virtual void canvas_texture_set_channel(RID p_canvas_texture, RS::CanvasTextureChannel p_channel, RID p_texture) override;
virtual void canvas_texture_set_shading_parameters(RID p_canvas_texture, const Color &p_base_color, float p_shininess) override;
virtual void canvas_texture_set_texture_filter(RID p_item, RS::CanvasItemTextureFilter p_filter) override;
virtual void canvas_texture_set_texture_repeat(RID p_item, RS::CanvasItemTextureRepeat p_repeat) override;
/* Texture API */
Texture *get_texture(RID p_rid) const {
Texture *texture = texture_owner.get_or_null(p_rid);
if (texture && texture->is_proxy) {
return texture_owner.get_or_null(texture->proxy_to);
}
return texture;
};
bool owns_texture(RID p_rid) { return texture_owner.owns(p_rid); };
void texture_2d_initialize_from_texture(RID p_texture, Texture &p_tex) {
texture_owner.initialize_rid(p_texture, p_tex);
}
virtual bool can_create_resources_async() const override;
virtual RID texture_allocate() override;
virtual void texture_free(RID p_rid) override;
virtual void texture_2d_initialize(RID p_texture, const Ref<Image> &p_image) override;
virtual void texture_2d_layered_initialize(RID p_texture, const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) override;
virtual void texture_3d_initialize(RID p_texture, Image::Format, int p_width, int p_height, int p_depth, bool p_mipmaps, const Vector<Ref<Image>> &p_data) override;
virtual void texture_external_initialize(RID p_texture, int p_width, int p_height, uint64_t p_external_buffer) override;
virtual void texture_proxy_initialize(RID p_texture, RID p_base) override; //all slices, then all the mipmaps, must be coherent
virtual RID texture_create_from_native_handle(RS::TextureType p_type, Image::Format p_format, uint64_t p_native_handle, int p_width, int p_height, int p_depth, int p_layers = 1, RS::TextureLayeredType p_layered_type = RS::TEXTURE_LAYERED_2D_ARRAY) override;
virtual void texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer = 0) override;
virtual void texture_3d_update(RID p_texture, const Vector<Ref<Image>> &p_data) override;
virtual void texture_external_update(RID p_texture, int p_width, int p_height, uint64_t p_external_buffer) override;
virtual void texture_proxy_update(RID p_proxy, RID p_base) override;
//these two APIs can be used together or in combination with the others.
virtual void texture_2d_placeholder_initialize(RID p_texture) override;
virtual void texture_2d_layered_placeholder_initialize(RID p_texture, RenderingServer::TextureLayeredType p_layered_type) override;
virtual void texture_3d_placeholder_initialize(RID p_texture) override;
virtual Ref<Image> texture_2d_get(RID p_texture) const override;
virtual Ref<Image> texture_2d_layer_get(RID p_texture, int p_layer) const override;
virtual Vector<Ref<Image>> texture_3d_get(RID p_texture) const override;
virtual void texture_replace(RID p_texture, RID p_by_texture) override;
virtual void texture_set_size_override(RID p_texture, int p_width, int p_height) override;
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_detect_3d_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override;
void texture_set_detect_srgb_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata);
virtual void texture_set_detect_normal_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override;
virtual void texture_set_detect_roughness_callback(RID p_texture, RS::TextureDetectRoughnessCallback p_callback, void *p_userdata) override;
virtual void texture_debug_usage(List<RS::TextureInfo> *r_info) override;
virtual void texture_set_force_redraw_if_visible(RID p_texture, bool p_enable) override;
virtual Size2 texture_size_with_proxy(RID p_proxy) override;
virtual void texture_rd_initialize(RID p_texture, const RID &p_rd_texture, const RS::TextureLayeredType p_layer_type = RS::TEXTURE_LAYERED_2D_ARRAY) override;
virtual RID texture_get_rd_texture(RID p_texture, bool p_srgb = false) const override;
virtual uint64_t texture_get_native_handle(RID p_texture, bool p_srgb = false) const override;
void texture_set_data(RID p_texture, const Ref<Image> &p_image, int p_layer = 0);
virtual Image::Format texture_get_format(RID p_texture) const override;
uint32_t texture_get_texid(RID p_texture) const;
Vector3i texture_get_size(RID p_texture) const;
uint32_t texture_get_width(RID p_texture) const;
uint32_t texture_get_height(RID p_texture) const;
uint32_t texture_get_depth(RID p_texture) const;
void texture_bind(RID p_texture, uint32_t p_texture_no);
/* TEXTURE ATLAS API */
void update_texture_atlas();
GLuint texture_atlas_get_texture() const;
_FORCE_INLINE_ Rect2 texture_atlas_get_texture_rect(RID p_texture) {
TextureAtlas::Texture *t = texture_atlas.textures.getptr(p_texture);
if (!t) {
return Rect2();
}
return t->uv_rect;
}
void texture_add_to_texture_atlas(RID p_texture);
void texture_remove_from_texture_atlas(RID p_texture);
void texture_atlas_mark_dirty_on_texture(RID p_texture);
void texture_atlas_remove_texture(RID p_texture);
/* DECAL API */
virtual RID decal_allocate() override;
virtual void decal_initialize(RID p_rid) override;
virtual void decal_free(RID p_rid) override {}
virtual void decal_set_size(RID p_decal, const Vector3 &p_size) override;
virtual void decal_set_texture(RID p_decal, RS::DecalTexture p_type, RID p_texture) override;
virtual void decal_set_emission_energy(RID p_decal, float p_energy) override;
virtual void decal_set_albedo_mix(RID p_decal, float p_mix) override;
virtual void decal_set_modulate(RID p_decal, const Color &p_modulate) override;
virtual void decal_set_cull_mask(RID p_decal, uint32_t p_layers) override;
virtual void decal_set_distance_fade(RID p_decal, bool p_enabled, float p_begin, float p_length) override;
virtual void decal_set_fade(RID p_decal, float p_above, float p_below) override;
virtual void decal_set_normal_fade(RID p_decal, float p_fade) override;
virtual AABB decal_get_aabb(RID p_decal) const override;
virtual uint32_t decal_get_cull_mask(RID p_decal) const override { return 0; }
virtual void texture_add_to_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override {}
virtual void texture_remove_from_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override {}
/* DECAL INSTANCE */
virtual RID decal_instance_create(RID p_decal) override { return RID(); }
virtual void decal_instance_free(RID p_decal_instance) override {}
virtual void decal_instance_set_transform(RID p_decal, const Transform3D &p_transform) override {}
virtual void decal_instance_set_sorting_offset(RID p_decal_instance, float p_sorting_offset) override {}
/* RENDER TARGET API */
static GLuint system_fbo;
RenderTarget *get_render_target(RID p_rid) { return render_target_owner.get_or_null(p_rid); };
bool owns_render_target(RID p_rid) { return render_target_owner.owns(p_rid); };
void check_backbuffer(RenderTarget *rt, const bool uses_screen_texture, const bool uses_depth_texture);
virtual RID render_target_create() override;
virtual void render_target_free(RID p_rid) override;
virtual void render_target_set_position(RID p_render_target, int p_x, int p_y) override;
virtual Point2i render_target_get_position(RID p_render_target) const override;
virtual void render_target_set_size(RID p_render_target, int p_width, int p_height, uint32_t p_view_count) override;
virtual Size2i render_target_get_size(RID p_render_target) const override;
virtual void render_target_set_transparent(RID p_render_target, bool p_is_transparent) override;
virtual bool render_target_get_transparent(RID p_render_target) const override;
virtual void render_target_set_direct_to_screen(RID p_render_target, bool p_direct_to_screen) override;
virtual bool render_target_get_direct_to_screen(RID p_render_target) const override;
virtual bool render_target_was_used(RID p_render_target) const override;
void render_target_clear_used(RID p_render_target);
virtual void render_target_set_msaa(RID p_render_target, RS::ViewportMSAA p_msaa) override;
virtual RS::ViewportMSAA render_target_get_msaa(RID p_render_target) const override;
virtual void render_target_set_msaa_needs_resolve(RID p_render_target, bool p_needs_resolve) override {}
virtual bool render_target_get_msaa_needs_resolve(RID p_render_target) const override { return false; }
virtual void render_target_do_msaa_resolve(RID p_render_target) override {}
virtual void render_target_set_use_hdr(RID p_render_target, bool p_use_hdr_2d) override;
virtual bool render_target_is_using_hdr(RID p_render_target) const override;
// new
void render_target_set_as_unused(RID p_render_target) override {
render_target_clear_used(p_render_target);
}
GLuint render_target_get_color_internal_format(RID p_render_target) const;
GLuint render_target_get_color_format(RID p_render_target) const;
GLuint render_target_get_color_type(RID p_render_target) const;
uint32_t render_target_get_color_format_size(RID p_render_target) const;
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;
GLuint render_target_get_fbo(RID p_render_target) const;
GLuint render_target_get_color(RID p_render_target) const;
GLuint render_target_get_depth(RID p_render_target) const;
void render_target_set_reattach_textures(RID p_render_target, bool p_reattach_textures) const;
bool render_target_is_reattach_textures(RID p_render_target) const;
virtual void render_target_set_sdf_size_and_scale(RID p_render_target, RS::ViewportSDFOversize p_size, RS::ViewportSDFScale p_scale) override;
virtual Rect2i render_target_get_sdf_rect(RID p_render_target) const override;
GLuint render_target_get_sdf_texture(RID p_render_target);
GLuint render_target_get_sdf_framebuffer(RID p_render_target);
void render_target_sdf_process(RID p_render_target);
virtual void render_target_mark_sdf_enabled(RID p_render_target, bool p_enabled) override;
bool render_target_is_sdf_enabled(RID p_render_target) const;
void render_target_copy_to_back_buffer(RID p_render_target, const Rect2i &p_region, bool p_gen_mipmaps);
void render_target_clear_back_buffer(RID p_render_target, const Rect2i &p_region, const Color &p_color);
void render_target_gen_back_buffer_mipmaps(RID p_render_target, const Rect2i &p_region);
virtual void render_target_set_vrs_mode(RID p_render_target, RS::ViewportVRSMode p_mode) override {}
virtual RS::ViewportVRSMode render_target_get_vrs_mode(RID p_render_target) const override { return RS::VIEWPORT_VRS_DISABLED; }
virtual void render_target_set_vrs_update_mode(RID p_render_target, RS::ViewportVRSUpdateMode p_mode) override {}
virtual RS::ViewportVRSUpdateMode render_target_get_vrs_update_mode(RID p_render_target) const override { return RS::VIEWPORT_VRS_UPDATE_DISABLED; }
virtual void render_target_set_vrs_texture(RID p_render_target, RID p_texture) override {}
virtual RID render_target_get_vrs_texture(RID p_render_target) const override { return RID(); }
virtual void render_target_set_override(RID p_render_target, RID p_color_texture, RID p_depth_texture, RID p_velocity_texture) override;
virtual RID render_target_get_override_color(RID p_render_target) const override;
virtual RID render_target_get_override_depth(RID p_render_target) const override;
virtual RID render_target_get_override_velocity(RID p_render_target) const override;
virtual RID render_target_get_texture(RID p_render_target) override;
void bind_framebuffer(GLuint framebuffer) {
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
}
void bind_framebuffer_system() {
glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo);
}
String get_framebuffer_error(GLenum p_status);
};
inline String TextureStorage::get_framebuffer_error(GLenum p_status) {
#if defined(DEBUG_ENABLED) && defined(GL_API_ENABLED)
if (p_status == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT) {
return "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT";
} else if (p_status == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT) {
return "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";
} else if (p_status == GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER) {
return "GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER";
} else if (p_status == GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER) {
return "GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER";
}
#endif
return itos(p_status);
}
} // namespace GLES3
#endif // GLES3_ENABLED
#endif // TEXTURE_STORAGE_GLES3_H
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