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
|
#include "../../../../include/odfaeg/Graphics/2D/fastRenderComponent.h"
namespace odfaeg {
namespace g2d {
FastRenderComponent::FastRenderComponent (RenderWindow& window, int layer) :
Transformable(Vec3f(window.getView().getPosition().x, window.getView().getPosition().y, layer),
Vec3f(window.getView().getSize().x, window.getView().getSize().y, 0),
Vec3f(window.getView().getSize().x + window.getView().getSize().x * 0.5f, window.getView().getPosition().y + window.getView().getSize().y * 0.5f, layer)),
view(window.getView()) {
sf::Vector3i resolution ((int) window.getSize().x, (int) window.getSize().y, window.getView().getSize().z);
depthBuffer = new RenderTexture();
frameBuffer = new RenderTexture();
depthBuffer->create(resolution.x, resolution.y);
frameBuffer->create(resolution.x, resolution.y);
frameBuffer->setView(window.getView());
depthBuffer->setView(window.getView());
if (Shader::isAvailable()) {
frameBufferGenerator = new Shader();
depthBufferGenerator = new Shader();
const std::string vertexShader =
"void main () {"
"gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;"
"gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;"
"gl_FrontColor = gl_Color;"
"}";
const std::string depthGenFragShader =
"uniform sampler2D depthBuffer;"
"uniform sampler2D texture;"
"uniform vec3 resolution;"
"void main () {"
"vec2 position = ( gl_FragCoord.xy / resolution.xy );"
"vec4 color = texture2D(depthBuffer, position);"
"vec4 pixel = texture2D(texture, gl_TexCoord[0].xy);"
"if (gl_FragCoord.z >= color.z && pixel.a >= color.a) {"
"gl_FragColor = vec4(0, 0,gl_FragCoord.z, pixel.a);"
"} else {"
"gl_FragColor = color;"
"}"
"}";
const std::string frameBufferGenFragShader =
"uniform sampler2D depthBuffer;"
"uniform sampler2D frameBuffer;"
"uniform sampler2D texture;"
"uniform vec3 resolution;"
"void main () { "
"vec2 position = ( gl_FragCoord.xy / resolution.xy );"
"vec4 depth = texture2D(depthBuffer, position);"
"vec4 color = texture2D(frameBuffer, position);"
"vec4 pixel = texture2D(texture, gl_TexCoord[0].xy);"
"if (gl_FragCoord.z >= depth.z) {"
"gl_FragColor = pixel;"
"} else if (color.a < pixel.a) {"
"gl_FragColor = pixel;"
"} else {"
"gl_FragColor = color;"
"}"
"}";
if (!depthBufferGenerator->loadFromMemory(vertexShader, depthGenFragShader))
throw Erreur(50, "Failed to load depth buffer generator shader", 0);
if (!frameBufferGenerator->loadFromMemory(vertexShader, frameBufferGenFragShader))
throw Erreur(51, "Failed to load frame buffer generator shader", 0);
depthBufferGenerator->setParameter("resolution",resolution.x, resolution.y, resolution.z);
frameBufferGenerator->setParameter("resolution",resolution.x, resolution.y, resolution.z);
backgroundColor = sf::Color::Transparent;
running = updateDepthBuffer = false;
g_notified = true;
m_thread = std::thread(&FastRenderComponent::depthBufferUpdater, this);
}
currentStates.blendMode = sf::BlendAlpha;
}
void FastRenderComponent::setBackgroundColor(sf::Color color) {
this->backgroundColor = color;
}
void FastRenderComponent::clearBufferBits() {
frameBuffer->clear(backgroundColor);
}
void FastRenderComponent::clearDepthBits() {
depthBuffer->clear(sf::Color::Transparent);
}
g2d::Tile FastRenderComponent::getFrameBufferTile () const {
sf::IntRect subRect(0, 0, frameBuffer->getView().getSize().x, frameBuffer->getView().getSize().y);
g2d::Tile tile (&frameBuffer->getTexture(), Vec2f(0, 0), Vec2f(frameBuffer->getView().getSize().x, frameBuffer->getView().getSize().y), subRect);
return tile;
}
g2d::Tile FastRenderComponent::getDepthBufferTile() const {
sf::IntRect subRect(0, 0, depthBuffer->getView().getSize().x, depthBuffer->getView().getSize().y);
g2d::Tile tile (&depthBuffer->getTexture(), Vec2f(0, 0), Vec2f(depthBuffer->getView().getSize().x, depthBuffer->getView().getSize().y), subRect);
return tile;
}
bool FastRenderComponent::loadEntitiesOnComponent(std::vector<Entity*> visibleEntities)
{
if (Shader::isAvailable()) {
fg.clear();
for (unsigned int i = 0; i < visibleEntities.size(); i++) {
if (visibleEntities[i]->isLeaf()) {
for (unsigned int j = 0; j < visibleEntities[i]->getFaces().size(); j++) {
visibleEntities[i]->getFaces()[j]->transform(visibleEntities[i]->getTransform());
fg.addFace(visibleEntities[i]->getFaces()[j]);
}
}
}
m_vertices = fg.getFaces();
}
this->visibleEntities = visibleEntities;
}
void FastRenderComponent::setView(View &view) {
this->view = view;
}
void FastRenderComponent::updateDBuffer() {
updateDepthBuffer = true;
g_notified = false;
g_signal.notify_one();
}
void FastRenderComponent::depthBufferUpdater() {
running = true;
while (running) {
std::unique_lock<std::mutex> locker (g_lock_update);
g_signal.wait(locker, [&](){return updateDepthBuffer || !running;});
if (updateDepthBuffer) {
depthBufferGenerator->setParameter("depthBuffer", depthBuffer->getTexture());
depthBufferGenerator->setParameter("texture", Shader::CurrentTexture);
currentStates.shader = depthBufferGenerator;
depthBuffer->draw(*currentVa, currentStates);
depthBuffer->display();
}
updateDepthBuffer = false;
g_notified = true;
g_signal.notify_one();
}
}
void FastRenderComponent::drawNextFrame() {
if (Shader::isAvailable()) {
frameBuffer->setView(view);
depthBuffer->setView(view);
for (unsigned int i = 0; i < m_vertices.size(); i++) {
currentStates.texture = m_vertices[i].first.getMaterial().getTexture();
for (unsigned int j = 0; j < m_vertices[i].second.size(); j++) {
std::unique_lock<std::mutex> locker(g_lock_update);
g_signal.wait(locker, [&](){return g_notified;});
currentStates.shader = frameBufferGenerator;
frameBufferGenerator->setParameter("depthBuffer", depthBuffer->getTexture());
frameBufferGenerator->setParameter("frameBuffer", frameBuffer->getTexture());
frameBufferGenerator->setParameter("texture", Shader::CurrentTexture);
frameBuffer->draw(*m_vertices[i].second[j], currentStates);
frameBuffer->display();
currentVa = m_vertices[i].second[j];
/*depthBufferGenerator->setParameter("depthBuffer", depthBuffer->getTexture());
depthBufferGenerator->setParameter("texture", Shader::CurrentTexture);
currentStates.shader = depthBufferGenerator;
depthBuffer->draw(*currentVa, currentStates);
depthBuffer->display();*/
updateDBuffer();
}
}
} else {
for (unsigned int i = 0; i < visibleEntities.size(); i++) {
for (unsigned int j = 0; j < visibleEntities[i]->getFaces().size(); j++) {
currentStates.texture = visibleEntities[i]->getFaces()[j]->getMaterial().getTexture();
currentStates.transform = visibleEntities[i]->getTransform();
frameBuffer->draw(visibleEntities[i]->getFaces()[j]->getVertexArray(), currentStates);
}
}
}
}
void FastRenderComponent::draw(RenderTarget& target, RenderStates states) const {
g2d::Tile tile = getDepthBufferTile();
tile.setCenter(frameBuffer->getView().getPosition());
states.transform = getTransform();
target.draw(tile, states);
}
void FastRenderComponent::init() {
}
View& FastRenderComponent::getView() {
return view;
}
int FastRenderComponent::getLayer() {
return getPosition().z;
}
FastRenderComponent::~FastRenderComponent() {
running = false;
delete frameBuffer;
delete frameBufferGenerator;
delete depthBuffer;
delete depthBufferGenerator;
}
}
} |
Optimisation d'un moteur, traitement au niveau des pixels
Répondre avec citation
Partager