1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*************************************************************************/
/* rasterizer_canvas_base_gles3.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 RASTERIZER_CANVAS_BASE_OPENGL_H
#define RASTERIZER_CANVAS_BASE_OPENGL_H
#include "drivers/gles3/rasterizer_platforms.h"
#ifdef GLES3_BACKEND_ENABLED
#include "drivers/gles3/rasterizer_array.h"
#include "drivers/gles3/rasterizer_storage_common.h"
#include "rasterizer_scene_gles3.h"
#include "rasterizer_storage_gles3.h"
#include "servers/rendering/renderer_canvas_render.h"
#include "servers/rendering/renderer_compositor.h"
#include "shaders/canvas.glsl.gen.h"
#include "shaders/canvas_shadow.glsl.gen.h"
#include "shaders/lens_distorted.glsl.gen.h"
class RasterizerCanvasBaseGLES3 : public RendererCanvasRender {
public:
enum {
INSTANCE_ATTRIB_BASE = 8,
};
struct Uniforms {
Transform3D projection_matrix;
Transform2D modelview_matrix;
Transform2D extra_matrix;
Color final_modulate;
float time;
};
struct CanvasItemUBO {
float projection_matrix[16];
float time;
uint8_t padding[12];
};
struct Data {
enum { NUM_QUAD_ARRAY_VARIATIONS = 8 };
GLuint canvas_quad_vertices;
GLuint canvas_quad_array;
GLuint polygon_buffer;
GLuint polygon_buffer_quad_arrays[NUM_QUAD_ARRAY_VARIATIONS];
GLuint polygon_buffer_pointer_array;
GLuint polygon_index_buffer;
GLuint particle_quad_vertices;
GLuint particle_quad_array;
uint32_t polygon_buffer_size;
uint32_t polygon_index_buffer_size;
GLuint ninepatch_vertices;
GLuint ninepatch_elements;
} data;
struct State {
Uniforms uniforms;
CanvasItemUBO canvas_item_ubo_data;
GLuint canvas_item_ubo;
bool canvas_texscreen_used;
CanvasShaderGLES3 canvas_shader;
CanvasShadowShaderGLES3 canvas_shadow_shader;
LensDistortedShaderGLES3 lens_shader;
bool using_texture_rect;
bool using_light_angle;
bool using_modulate;
bool using_large_vertex;
bool using_ninepatch;
bool using_skeleton;
Transform2D skeleton_transform;
Transform2D skeleton_transform_inverse;
Size2i skeleton_texture_size;
RID current_tex;
RID current_normal;
RasterizerStorageGLES3::Texture *current_tex_ptr;
Transform3D vp;
Light *using_light;
bool using_shadow;
bool using_transparent_rt;
// new for Godot 4.0
// min mag filter is per item, and repeat
RS::CanvasItemTextureFilter current_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR;
RS::CanvasItemTextureRepeat current_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED;
} state;
typedef void Texture;
RasterizerSceneGLES3 *scene_render;
RasterizerStorageGLES3 *storage;
// allow user to choose api usage
GLenum _buffer_upload_usage_flag;
void _set_uniforms();
virtual RID light_internal_create();
virtual void light_internal_update(RID p_rid, Light *p_light);
virtual void light_internal_free(RID p_rid);
virtual void canvas_begin();
virtual void canvas_end();
protected:
void _legacy_draw_primitive(Item::CommandPrimitive *p_pr, RasterizerStorageGLES3::Material *p_material);
void _legacy_draw_line(Item::CommandPrimitive *p_pr, RasterizerStorageGLES3::Material *p_material);
void _legacy_draw_poly_triangles(Item::CommandPolygon *p_poly, RasterizerStorageGLES3::Material *p_material);
public:
void _draw_gui_primitive(int p_points, const Vector2 *p_vertices, const Color *p_colors, const Vector2 *p_uvs, const float *p_light_angles = nullptr);
void _draw_polygon(const int *p_indices, int p_index_count, int p_vertex_count, const Vector2 *p_vertices, const Vector2 *p_uvs, const Color *p_colors, bool p_singlecolor, const float *p_weights = NULL, const int *p_bones = NULL);
void _draw_generic(GLuint p_primitive, int p_vertex_count, const Vector2 *p_vertices, const Vector2 *p_uvs, const Color *p_colors, bool p_singlecolor);
void _draw_generic_indices(GLuint p_primitive, const int *p_indices, int p_index_count, int p_vertex_count, const Vector2 *p_vertices, const Vector2 *p_uvs, const Color *p_colors, bool p_singlecolor);
void _bind_quad_buffer();
void _copy_texscreen(const Rect2 &p_rect);
void _copy_screen(const Rect2 &p_rect);
//virtual void draw_window_margins(int *black_margin, RID *black_image) override;
void draw_generic_textured_rect(const Rect2 &p_rect, const Rect2 &p_src);
void draw_lens_distortion_rect(const Rect2 &p_rect, float p_k1, float p_k2, const Vector2 &p_eye_center, float p_oversample);
virtual void reset_canvas();
virtual void canvas_light_shadow_buffer_update(RID p_buffer, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders, CameraMatrix *p_xform_cache);
// Copied from RasterizerCanvasDummy:
virtual void canvas_debug_viewport_shadows(Light *p_lights_with_shadow) override;
RID light_create() override;
void light_set_texture(RID p_rid, RID p_texture) override;
void light_set_use_shadow(RID p_rid, bool p_enable) override;
void light_update_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders) override;
void light_update_directional_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_cull_distance, const Rect2 &p_clip_rect, LightOccluderInstance *p_occluders) override;
void render_sdf(RID p_render_target, LightOccluderInstance *p_occluders) override;
RID occluder_polygon_create() override;
void occluder_polygon_set_shape(RID p_occluder, const Vector<Vector2> &p_points, bool p_closed) override;
void occluder_polygon_set_cull_mode(RID p_occluder, RS::CanvasOccluderPolygonCullMode p_mode) override;
void set_shadow_texture_size(int p_size) override;
bool free(RID p_rid) override;
void update() override;
// End copied from RasterizerCanvasDummy.
RasterizerStorageGLES3::Texture *_bind_canvas_texture(const RID &p_texture, const RID &p_normal_map);
void _set_texture_rect_mode(bool p_texture_rect, bool p_light_angle = false, bool p_modulate = false, bool p_large_vertex = false);
// NEW API
struct PolyData {
LocalVector<int> indices;
LocalVector<Point2> points;
LocalVector<Color> colors;
LocalVector<Point2> uvs;
};
RendererCanvasRender::PolygonID request_polygon(const Vector<int> &p_indices, const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs = Vector<Point2>(), const Vector<int> &p_bones = Vector<int>(), const Vector<float> &p_weights = Vector<float>()) override;
void free_polygon(PolygonID p_polygon) override;
RasterizerPooledIndirectList<PolyData> _polydata;
//////////////////////
void initialize();
void finalize();
RasterizerCanvasBaseGLES3();
};
#endif // GLES3_BACKEND_ENABLED
#endif // RASTERIZER_CANVAS_BASE_OPENGL_H
|