libs/mrgui/examples/main.cc - GCC Code Coverage Report

libs/mrgui/examples/main.cc

Line	Branch	Exec	Source
1			// todo(Gustav): look into glad support
2			#define SDL_FUNCTION_POINTER_IS_VOID_POINTER
3
4			#include "SDL.h"
5			#include "SDL_timer.h"
6
7			#include <cassert>
8			#include <optional>
9			#include <vector>
10			#include <unordered_map>
11			#include <string>
12			#include <algorithm>
13			#include <cstdint>
14
15			#include "dependency_glad.h"
16			#include "OpenSans-Regular.ttf.h"
17			#include "uv-texture.png.h"
18			#include "spritesheet.png.h"
19
20			#include "eu/log/log.h"
21			#include "eu/base/memorychunk.h"
22
23			#include "eu/render/canvas.h"
24			#include "eu/render/state.h"
25			#include "eu/render/font.h"
26			#include "eu/render/opengl_utils.h"
27			#include "eu/render/texture.io.h"
28			#include "eu/render/enable_high_performance_graphics.h"
29
30			#include "data/spritesheet.h"
31
32			#include "eu/mrgui/widgets.h"
33
34			using namespace eu::mrgui;
35
36			ENABLE_HIGH_PERFORMANCE_GRAPHICS
37
38		✗	static eu::MemoryChunk chunk_from_embed(const embedded_binary& binary)
39			{
40			return
41			{
42		✗	.bytes = reinterpret_cast<const char*>(binary.data),
43		✗	.size = binary.size
44		✗	};
45			}
46
47		✗	int main(int, char**)
48			{
49		✗	int window_width = 1280;
50		✗	int window_height = 720;
51
52	0/4 ✗ Branch 2 → 3 not taken. ✗ Branch 2 → 432 not taken. ✗ Branch 3 → 4 not taken. ✗ Branch 3 → 10 not taken.	✗	if (SDL_Init(SDL_INIT_VIDEO \| SDL_INIT_EVENTS) == false) {
53	0/8 ✗ Branch 4 → 5 not taken. ✗ Branch 4 → 432 not taken. ✗ Branch 5 → 6 not taken. ✗ Branch 5 → 260 not taken. ✗ Branch 6 → 7 not taken. ✗ Branch 6 → 259 not taken. ✗ Branch 7 → 8 not taken. ✗ Branch 7 → 257 not taken.	✗	LOG_ERR("Error initializing SDL: {}", SDL_GetError());
54		✗	return -1;
55			}
56
57
58			#ifdef __APPLE__
59			// GL 3.2 Core + GLSL 150
60			const char* glsl_version = "#version 150";
61			SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); // Always required on Mac
62			SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
63			SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
64			SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
65			#else
66			// GL 3.0 + GLSL 130
67			// const char* glsl_version = "#version 130";
68	0/2 ✗ Branch 10 → 11 not taken. ✗ Branch 10 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
69	0/2 ✗ Branch 11 → 12 not taken. ✗ Branch 11 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
70	0/2 ✗ Branch 12 → 13 not taken. ✗ Branch 12 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
71	0/2 ✗ Branch 13 → 14 not taken. ✗ Branch 13 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3); // was 0 in dear imgui example??
72			#endif
73
74	0/2 ✗ Branch 14 → 15 not taken. ✗ Branch 14 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
75	0/2 ✗ Branch 15 → 16 not taken. ✗ Branch 15 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
76
77	0/2 ✗ Branch 16 → 17 not taken. ✗ Branch 16 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
78	0/2 ✗ Branch 17 → 18 not taken. ✗ Branch 17 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
79
80	0/2 ✗ Branch 18 → 19 not taken. ✗ Branch 18 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
81	0/2 ✗ Branch 19 → 20 not taken. ✗ Branch 19 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
82	0/2 ✗ Branch 20 → 21 not taken. ✗ Branch 20 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
83	0/2 ✗ Branch 21 → 22 not taken. ✗ Branch 21 → 432 not taken.	✗	SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
84
85	0/2 ✗ Branch 22 → 23 not taken. ✗ Branch 22 → 432 not taken.	✗	SDL_Window* window = SDL_CreateWindow("mrgui sample",
86			window_width, window_height, SDL_WINDOW_OPENGL \| SDL_WINDOW_HIGH_PIXEL_DENSITY \| SDL_WINDOW_RESIZABLE);
87	0/2 ✗ Branch 23 → 24 not taken. ✗ Branch 23 → 30 not taken.	✗	if (window == nullptr) {
88	0/8 ✗ Branch 24 → 25 not taken. ✗ Branch 24 → 432 not taken. ✗ Branch 25 → 26 not taken. ✗ Branch 25 → 265 not taken. ✗ Branch 26 → 27 not taken. ✗ Branch 26 → 264 not taken. ✗ Branch 27 → 28 not taken. ✗ Branch 27 → 262 not taken.	✗	LOG_ERR("Error creating window: {}", SDL_GetError());
89		✗	return -1;
90			}
91
92	0/2 ✗ Branch 30 → 31 not taken. ✗ Branch 30 → 432 not taken.	✗	auto* gl_context = SDL_GL_CreateContext(window);
93	0/2 ✗ Branch 31 → 32 not taken. ✗ Branch 31 → 432 not taken.	✗	SDL_GetWindowSize(window, &window_width, &window_height);
94	0/2 ✗ Branch 32 → 33 not taken. ✗ Branch 32 → 39 not taken.	✗	if (gl_context == nullptr) {
95	0/8 ✗ Branch 33 → 34 not taken. ✗ Branch 33 → 432 not taken. ✗ Branch 34 → 35 not taken. ✗ Branch 34 → 270 not taken. ✗ Branch 35 → 36 not taken. ✗ Branch 35 → 269 not taken. ✗ Branch 36 → 37 not taken. ✗ Branch 36 → 267 not taken.	✗	LOG_ERR("Error creating gl context: {}", SDL_GetError());
96		✗	return -1;
97			}
98
99			/* OpenGL setup */
100	0/2 ✗ Branch 39 → 40 not taken. ✗ Branch 39 → 432 not taken.	✗	const int glad_result = gladLoadGLLoader(SDL_GL_GetProcAddress);
101	0/2 ✗ Branch 40 → 41 not taken. ✗ Branch 40 → 46 not taken.	✗	if (glad_result == 0)
102			{
103	0/6 ✗ Branch 41 → 42 not taken. ✗ Branch 41 → 432 not taken. ✗ Branch 42 → 43 not taken. ✗ Branch 42 → 274 not taken. ✗ Branch 43 → 44 not taken. ✗ Branch 43 → 272 not taken.	✗	LOG_ERR("Failed to init glad, error: {0}", glad_result);
104		✗	return -1;
105			}
106
107			{
108	0/4 ✗ Branch 48 → 49 not taken. ✗ Branch 48 → 276 not taken. ✗ Branch 49 → 50 not taken. ✗ Branch 49 → 276 not taken.	✗	const std::string gl_vendor = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
109	0/4 ✗ Branch 53 → 54 not taken. ✗ Branch 53 → 279 not taken. ✗ Branch 54 → 55 not taken. ✗ Branch 54 → 279 not taken.	✗	const std::string gl_renderer = reinterpret_cast<const char*>(glGetString(GL_RENDERER));
110	0/4 ✗ Branch 58 → 59 not taken. ✗ Branch 58 → 282 not taken. ✗ Branch 59 → 60 not taken. ✗ Branch 59 → 282 not taken.	✗	const std::string gl_version = reinterpret_cast<const char*>(glGetString(GL_VERSION));
111	0/4 ✗ Branch 63 → 64 not taken. ✗ Branch 63 → 285 not taken. ✗ Branch 64 → 65 not taken. ✗ Branch 64 → 285 not taken.	✗	const std::string gl_shading_language_version = reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION));
112
113	0/6 ✗ Branch 66 → 67 not taken. ✗ Branch 66 → 304 not taken. ✗ Branch 67 → 68 not taken. ✗ Branch 67 → 290 not taken. ✗ Branch 68 → 69 not taken. ✗ Branch 68 → 288 not taken.	✗	LOG_INFO("Vendor: {0}", gl_vendor);
114	0/6 ✗ Branch 70 → 71 not taken. ✗ Branch 70 → 304 not taken. ✗ Branch 71 → 72 not taken. ✗ Branch 71 → 294 not taken. ✗ Branch 72 → 73 not taken. ✗ Branch 72 → 292 not taken.	✗	LOG_INFO("Renderer: {0}", gl_renderer);
115	0/6 ✗ Branch 74 → 75 not taken. ✗ Branch 74 → 304 not taken. ✗ Branch 75 → 76 not taken. ✗ Branch 75 → 298 not taken. ✗ Branch 76 → 77 not taken. ✗ Branch 76 → 296 not taken.	✗	LOG_INFO("Version OpenGL: {0}", gl_version);
116	0/6 ✗ Branch 78 → 79 not taken. ✗ Branch 78 → 304 not taken. ✗ Branch 79 → 80 not taken. ✗ Branch 79 → 302 not taken. ✗ Branch 80 → 81 not taken. ✗ Branch 80 → 300 not taken.	✗	LOG_INFO("Version GLSL: {0}", gl_shading_language_version);
117		✗	}
118
119		✗	eu::render::State states;
120	0/2 ✗ Branch 86 → 87 not taken. ✗ Branch 86 → 432 not taken.	✗	eu::render::Render2 render{ &states };
121
122	0/2 ✗ Branch 87 → 88 not taken. ✗ Branch 87 → 430 not taken.	✗	UiState uistate;
123		✗	const IdStack idstack;
124	0/2 ✗ Branch 89 → 90 not taken. ✗ Branch 89 → 313 not taken.	✗	eu::render::DrawableFont font{chunk_from_embed(OPENSANS_REGULAR_TTF)};
125
126	0/2 ✗ Branch 92 → 93 not taken. ✗ Branch 92 → 316 not taken.	✗	const auto sample_texture = eu::render::load_image_from_embedded(SEND_DEBUG_LABEL_MANY("uv-texture.png") UV_TEXTURE_PNG,
127	0/2 ✗ Branch 93 → 94 not taken. ✗ Branch 93 → 314 not taken.	✗	eu::render::TextureEdge::clamp, eu::render::TextureRenderStyle::linear, eu::render::Transparency::exclude, eu::render::ColorData::color_data);
128
129	0/2 ✗ Branch 98 → 99 not taken. ✗ Branch 98 → 322 not taken.	✗	const auto spritesheet = eu::render::load_image_from_embedded(SEND_DEBUG_LABEL_MANY("spritesheet.png") SPRITESHEET_PNG,
130	0/2 ✗ Branch 99 → 100 not taken. ✗ Branch 99 → 320 not taken.	✗	eu::render::TextureEdge::repeat, eu::render::TextureRenderStyle::linear, eu::render::Transparency::include, eu::render::ColorData::color_data);
131
132		✗	bool running = true;
133	0/2 ✗ Branch 104 → 105 not taken. ✗ Branch 104 → 326 not taken.	✗	std::string editable_text = "Editable text";
134
135	0/6 ✗ Branch 106 → 107 not taken. ✗ Branch 106 → 420 not taken. ✗ Branch 107 → 108 not taken. ✗ Branch 107 → 331 not taken. ✗ Branch 108 → 109 not taken. ✗ Branch 108 → 329 not taken.	✗	LOG_INFO("Mrgui sample started");
136	0/2 ✗ Branch 241 → 111 not taken. ✗ Branch 241 → 242 not taken.	✗	while (running)
137			{
138			// events
139			SDL_Event e;
140	0/4 ✗ Branch 136 → 137 not taken. ✗ Branch 136 → 415 not taken. ✗ Branch 137 → 112 not taken. ✗ Branch 137 → 138 not taken.	✗	while (SDL_PollEvent(&e))
141			{
142	0/8 ✗ Branch 112 → 113 not taken. ✗ Branch 112 → 115 not taken. ✗ Branch 112 → 118 not taken. ✗ Branch 112 → 121 not taken. ✗ Branch 112 → 127 not taken. ✗ Branch 112 → 129 not taken. ✗ Branch 112 → 133 not taken. ✗ Branch 112 → 134 not taken.	✗	switch (e.type)
143			{
144		✗	case SDL_EVENT_MOUSE_MOTION:
145		✗	uistate.mouse = { e.motion.x, static_cast<float>(window_height) - e.motion.y };
146		✗	break;
147		✗	case SDL_EVENT_MOUSE_BUTTON_DOWN:
148	0/2 ✗ Branch 115 → 116 not taken. ✗ Branch 115 → 117 not taken.	✗	if (e.button.button == 1)
149			{
150		✗	uistate.mousedown = true;
151			}
152		✗	break;
153		✗	case SDL_EVENT_MOUSE_BUTTON_UP:
154	0/2 ✗ Branch 118 → 119 not taken. ✗ Branch 118 → 120 not taken.	✗	if (e.button.button == 1)
155			{
156		✗	uistate.mousedown = false;
157			}
158		✗	break;
159		✗	case SDL_EVENT_WINDOW_RESIZED:
160			case SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED:
161	0/6 ✗ Branch 121 → 122 not taken. ✗ Branch 121 → 415 not taken. ✗ Branch 122 → 123 not taken. ✗ Branch 122 → 335 not taken. ✗ Branch 123 → 124 not taken. ✗ Branch 123 → 333 not taken.	✗	LOG_INFO("Resized");
162	0/2 ✗ Branch 125 → 126 not taken. ✗ Branch 125 → 415 not taken.	✗	SDL_GetWindowSize(window, &window_width, &window_height);
163		✗	break;
164		✗	case SDL_EVENT_KEY_DOWN:
165		✗	uistate.key = KeyboardInput {.key = e.key.key, .mod = e.key.mod };
166		✗	break;
167		✗	case SDL_EVENT_TEXT_INPUT:
168			{
169			// todo(Gustav): handle unicode
170		✗	const char first_char = e.text.text[0];
171	0/2 ✗ Branch 129 → 130 not taken. ✗ Branch 129 → 132 not taken.	✗	if ((first_char & 0xFF80) == 0)
172			{
173		✗	uistate.keychar = static_cast<char>(first_char & 0x7f);
174			}
175			}
176		✗	break;
177		✗	case SDL_EVENT_QUIT: running = false; break;
178		✗	default:
179			// ignore other events
180		✗	break;
181			}
182			}
183
184			// render
185			{
186		✗	const eu::render::RenderCommand cmd {.states = &states, .render = &render, .size = {.width = window_width, .height = window_height} };
187
188			// todo(Gustav): provide a pixel layout
189		✗	const auto screen = eu::render::LayoutData{ .style = eu::render::ViewportStyle::extended,
190		✗	.requested_width = static_cast<float>(window_width), .requested_height = static_cast<float>(window_height) };
191
192	0/2 ✗ Branch 138 → 139 not taken. ✗ Branch 138 → 414 not taken.	✗	cmd.clear(eu::colors::blue_sky, screen);
193
194	0/2 ✗ Branch 139 → 140 not taken. ✗ Branch 139 → 414 not taken.	✗	auto layer = eu::render::with_layer2(cmd, screen);
195	0/4 ✗ Branch 143 → 144 not taken. ✗ Branch 143 → 337 not taken. ✗ Branch 144 → 145 not taken. ✗ Branch 144 → 337 not taken.	✗	eu::render::Quad{ .tint = eu::colors::green_bluish }.draw(layer.batch, layer.viewport_aabb_in_worldspace.get_bottom(50));
196
197			static eu::An rotation = eu::no_rotation;
198			static float slider_a = 0.5f;
199			static float slider_b = 0.5f;
200
201		✗	eu::render::Quad{
202		✗	.texture = &sample_texture,
203			// select bottom right of the texture, assuming it is split in 4 smaller rects
204	0/2 ✗ Branch 148 → 149 not taken. ✗ Branch 148 → 343 not taken.	✗	.texturecoord = eu::Rect::from_bottom_left_size({0.5f, 0}, {0.5f, 0.5f}),
205		✗	.rotation = eu::render::RotateQuad{.angle = rotation, .center = {slider_a, slider_b} }
206	0/4 ✗ Branch 155 → 156 not taken. ✗ Branch 155 → 339 not taken. ✗ Branch 156 → 157 not taken. ✗ Branch 156 → 339 not taken.	✗	}.draw(layer.batch, eu::Rect::from_bottom_left_size({ 300, 300 }, { 300, 300 }));
207
208		✗	const auto button_size = eu::v2{ 64, 64 };
209
210	0/2 ✗ Branch 157 → 158 not taken. ✗ Branch 157 → 412 not taken.	✗	uistate.begin();
211	0/10 ✗ Branch 159 → 160 not taken. ✗ Branch 159 → 354 not taken. ✗ Branch 162 → 163 not taken. ✗ Branch 162 → 350 not taken. ✗ Branch 163 → 164 not taken. ✗ Branch 163 → 348 not taken. ✗ Branch 164 → 165 not taken. ✗ Branch 164 → 348 not taken. ✗ Branch 167 → 168 not taken. ✗ Branch 167 → 171 not taken.	✗	if (basic_button(idstack.get("a"), eu::Rect::from_bottom_left_size({ 100, 100 }, button_size), uistate, layer.batch))
212			{
213	0/4 ✗ Branch 168 → 169 not taken. ✗ Branch 168 → 356 not taken. ✗ Branch 169 → 170 not taken. ✗ Branch 169 → 356 not taken.	✗	rotation -= eu::An::from_degrees(15.0f);
214			}
215	0/10 ✗ Branch 172 → 173 not taken. ✗ Branch 172 → 363 not taken. ✗ Branch 175 → 176 not taken. ✗ Branch 175 → 359 not taken. ✗ Branch 176 → 177 not taken. ✗ Branch 176 → 357 not taken. ✗ Branch 177 → 178 not taken. ✗ Branch 177 → 357 not taken. ✗ Branch 180 → 181 not taken. ✗ Branch 180 → 184 not taken.	✗	if (basic_button(idstack.get("b"), eu::Rect::from_bottom_left_size({ 200, 100 }, button_size), uistate, layer.batch))
216			{
217	0/4 ✗ Branch 181 → 182 not taken. ✗ Branch 181 → 365 not taken. ✗ Branch 182 → 183 not taken. ✗ Branch 182 → 365 not taken.	✗	rotation += eu::An::from_degrees(15.0f);
218			}
219	0/10 ✗ Branch 185 → 186 not taken. ✗ Branch 185 → 372 not taken. ✗ Branch 188 → 189 not taken. ✗ Branch 188 → 368 not taken. ✗ Branch 189 → 190 not taken. ✗ Branch 189 → 366 not taken. ✗ Branch 190 → 191 not taken. ✗ Branch 190 → 366 not taken. ✗ Branch 193 → 194 not taken. ✗ Branch 193 → 195 not taken.	✗	if (basic_button(idstack.get("c"), eu::Rect::from_bottom_left_size({ 300, 100 }, button_size), uistate, layer.batch))
220			{
221		✗	rotation = eu::no_rotation;
222			}
223	0/8 ✗ Branch 196 → 197 not taken. ✗ Branch 196 → 380 not taken. ✗ Branch 199 → 200 not taken. ✗ Branch 199 → 376 not taken. ✗ Branch 200 → 201 not taken. ✗ Branch 200 → 374 not taken. ✗ Branch 201 → 202 not taken. ✗ Branch 201 → 374 not taken.	✗	button_texture(idstack.get("d"), eu::Rect::from_bottom_left_size({ 400, 100 }, button_size), uistate, layer.batch, &spritesheet,
224			::spritesheet::button_square_flat,
225			::spritesheet::button_square_depth_flat,
226			::spritesheet::button_square_depth_gradient
227			);
228
229		✗	const auto slider_size = eu::v2{ 256, 25 };
230	0/8 ✗ Branch 205 → 206 not taken. ✗ Branch 205 → 388 not taken. ✗ Branch 208 → 209 not taken. ✗ Branch 208 → 384 not taken. ✗ Branch 209 → 210 not taken. ✗ Branch 209 → 382 not taken. ✗ Branch 210 → 211 not taken. ✗ Branch 210 → 382 not taken.	✗	slider(idstack.get("slider_a"), &slider_a, eu::Rect::from_bottom_left_size({ 100, 200 }, slider_size), uistate, layer.batch);
231	0/8 ✗ Branch 214 → 215 not taken. ✗ Branch 214 → 396 not taken. ✗ Branch 217 → 218 not taken. ✗ Branch 217 → 392 not taken. ✗ Branch 218 → 219 not taken. ✗ Branch 218 → 390 not taken. ✗ Branch 219 → 220 not taken. ✗ Branch 219 → 390 not taken.	✗	slider(idstack.get("slider_b"), &slider_b, eu::Rect::from_bottom_left_size({ 100, 250 }, slider_size), uistate, layer.batch);
232	0/6 ✗ Branch 225 → 226 not taken. ✗ Branch 225 → 400 not taken. ✗ Branch 226 → 227 not taken. ✗ Branch 226 → 398 not taken. ✗ Branch 227 → 228 not taken. ✗ Branch 227 → 398 not taken.	✗	textfield(idstack.get("textfield"), &editable_text, &font, 20, {100, 300}, uistate, layer.batch);
233	0/2 ✗ Branch 230 → 231 not taken. ✗ Branch 230 → 412 not taken.	✗	uistate.end();
234
235	0/4 ✗ Branch 234 → 235 not taken. ✗ Branch 234 → 407 not taken. ✗ Branch 235 → 236 not taken. ✗ Branch 235 → 405 not taken.	✗	draw_text(layer.batch, &font, "Hello world", 60, {200, 400 + 200}, eu::colors::black);
236		✗	}
237	0/2 ✗ Branch 239 → 240 not taken. ✗ Branch 239 → 415 not taken.	✗	SDL_GL_SwapWindow(window);
238			}
239
240	0/6 ✗ Branch 242 → 243 not taken. ✗ Branch 242 → 420 not taken. ✗ Branch 243 → 244 not taken. ✗ Branch 243 → 418 not taken. ✗ Branch 244 → 245 not taken. ✗ Branch 244 → 416 not taken.	✗	LOG_INFO("Shutting down");
241	0/2 ✗ Branch 246 → 247 not taken. ✗ Branch 246 → 420 not taken.	✗	SDL_GL_DestroyContext(gl_context);
242	0/2 ✗ Branch 247 → 248 not taken. ✗ Branch 247 → 420 not taken.	✗	SDL_DestroyWindow(window);
243	0/2 ✗ Branch 248 → 249 not taken. ✗ Branch 248 → 420 not taken.	✗	SDL_Quit();
244
245		✗	return 0;
246		✗	}
247