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
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
#include "Rml.hpp"
#include <easylogging++.h>
#include "AssetManager.hpp"
#include "Shader.hpp"
#include "Utility.hpp"
double RmlSystemInterface::GetElapsedTime() {
return totalTime;
}
bool RmlSystemInterface::LogMessage(Rml::Log::Type type, const Rml::String& message) {
switch (type) {
case Rml::Log::Type::LT_ALWAYS:
LOG(ERROR) << message;
break;
case Rml::Log::Type::LT_ERROR:
LOG(ERROR) << message;
break;
case Rml::Log::Type::LT_ASSERT:
LOG(ERROR) << message;
break;
case Rml::Log::Type::LT_WARNING:
LOG(WARNING) << message;
break;
case Rml::Log::Type::LT_INFO:
LOG(INFO) << message;
break;
case Rml::Log::Type::LT_DEBUG:
LOG(DEBUG) << message;
break;
case Rml::Log::Type::LT_MAX:
LOG(DEBUG) << message;
break;
}
return true;
}
void RmlSystemInterface::SetClipboardText(const Rml::String& text) {
clipboard = text;
}
void RmlSystemInterface::GetClipboardText(Rml::String& text) {
text = clipboard;
}
RmlRenderInterface::RmlRenderInterface(RenderState& renderState) {
auto gal = Gal::GetImplementation();
auto pipelineConfig = gal->CreatePipelineConfig();
pipelineConfig->AddShaderParameter("viewportSize", Gal::Type::Vec2u32);
pipelineConfig->AddShaderParameter("translation", Gal::Type::Vec2);
pipelineConfig->SetTarget(gal->GetDefaultFramebuffer());
auto vertAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/vert/rml");
std::string vertSource((char*)vertAsset->data.data(), (char*)vertAsset->data.data() + vertAsset->data.size());
auto pixelAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/frag/rml");
std::string pixelSource((char*)pixelAsset->data.data(), (char*)pixelAsset->data.data() + pixelAsset->data.size());
pipelineConfig->SetVertexShader(gal->LoadVertexShader(vertSource));
pipelineConfig->SetPixelShader(gal->LoadPixelShader(pixelSource));
auto vertBuffBind = pipelineConfig->BindVertexBuffer({
{"pos", Gal::Type::Vec2},
{"color", Gal::Type::Vec4u8},
{"", Gal::Type::Vec2}, //it's not used in shader, so driver optimizes it away
});
auto indexBuffBind = pipelineConfig->BindIndexBuffer();
pipeline = gal->BuildPipeline(pipelineConfig);
vertexBuffer = gal->CreateBuffer();
indexBuffer = gal->CreateBuffer();
pipelineInstance = pipeline->CreateInstance({
{vertBuffBind, vertexBuffer},
{indexBuffBind, indexBuffer},
});
glCheckError();
auto texturePipelineConfig = gal->CreatePipelineConfig();
texturePipelineConfig->AddShaderParameter("viewportSize", Gal::Type::Vec2u32);
texturePipelineConfig->AddShaderParameter("translation", Gal::Type::Vec2);
texturePipelineConfig->AddShaderParameter("fontTexture", Gal::Type::Int32);
texturePipelineConfig->SetTarget(gal->GetDefaultFramebuffer());
auto texturePixelAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/frag/rmltex");
std::string texturePixelSource((char*)texturePixelAsset->data.data(), (char*)texturePixelAsset->data.data() + texturePixelAsset->data.size());
texturePipelineConfig->SetVertexShader(gal->LoadVertexShader(vertSource));
texturePipelineConfig->SetPixelShader(gal->LoadPixelShader(texturePixelSource));
auto texVertBuffBind = texturePipelineConfig->BindVertexBuffer({
{"pos", Gal::Type::Vec2},
{"color", Gal::Type::Vec4u8},
{"tex_coord", Gal::Type::Vec2},
});
auto texIndexBuffBind = texturePipelineConfig->BindIndexBuffer();
texPipeline = gal->BuildPipeline(texturePipelineConfig);
texPipelineInstance = texPipeline->CreateInstance({
{texVertBuffBind, vertexBuffer},
{texIndexBuffBind, indexBuffer},
});
glCheckError();
}
RmlRenderInterface::~RmlRenderInterface() {
glCheckError();
}
void RmlRenderInterface::RenderGeometry(Rml::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rml::TextureHandle texture, const Rml::Vector2f& translation) {
indexBuffer->SetData({ reinterpret_cast<std::byte*>(indices), reinterpret_cast<std::byte*>(indices + num_indices) });
vertexBuffer->SetData({ reinterpret_cast<std::byte*>(vertices), reinterpret_cast<std::byte*>(vertices + num_vertices) });
glCheckError();
auto tex = textures.find(texture);
if (tex != textures.end()) {
texPipeline->Activate();
glCheckError();
texPipeline->SetShaderParameter("translation", glm::vec2(translation.x, translation.y));
glCheckError();
texPipeline->SetDynamicTexture("fontTexture", tex->second);
glCheckError();
texPipelineInstance->Activate();
glCheckError();
texPipelineInstance->Render(0, num_indices);
} else {
pipeline->Activate();
glCheckError();
pipeline->SetShaderParameter("translation", glm::vec2(translation.x, translation.y));
glCheckError();
pipelineInstance->Activate();
glCheckError();
pipelineInstance->Render(0, num_indices);
}
glCheckError();
}
void RmlRenderInterface::EnableScissorRegion(bool enable) {
if (enable)
glEnable(GL_SCISSOR_TEST);
else
glDisable(GL_SCISSOR_TEST);
}
void RmlRenderInterface::SetScissorRegion(int x, int y, int width, int height) {
glScissor(x, vpHeight - (y + height), width, height);
glCheckError();
}
bool RmlRenderInterface::LoadTexture(Rml::TextureHandle& texture_handle, Rml::Vector2i& texture_dimensions, const Rml::String& source) {
return false;
}
bool RmlRenderInterface::GenerateTexture(Rml::TextureHandle& texture_handle, const Rml::byte* source, const Rml::Vector2i& source_dimensions) {
glCheckError();
size_t textureId = textures.empty() ? 1 : textures.rbegin()->first + 1;
auto gal = Gal::GetImplementation();
auto textureConfig = gal->CreateTexture2DConfig(source_dimensions.x, source_dimensions.y, Gal::Format::R8G8B8A8);
auto texture = gal->BuildTexture(textureConfig);
texture->SetData({ reinterpret_cast<const std::byte*>(source),reinterpret_cast<const std::byte*>(source + (source_dimensions.x * source_dimensions.y) * 4) });
textures.insert({ textureId,texture });
texture_handle = textureId;
glCheckError();
return true;
}
void RmlRenderInterface::ReleaseTexture(Rml::TextureHandle texture) {
GLuint textures = texture;
glDeleteTextures(1, &textures);
glCheckError();
}
void RmlRenderInterface::Update(unsigned int windowWidth, unsigned int windowHeight) {
glCheckError();
pipeline->SetShaderParameter("viewportSize", glm::uvec2(windowWidth, windowHeight));
texPipeline->SetShaderParameter("viewportSize", glm::uvec2(windowWidth, windowHeight));
texPipeline->SetShaderParameter("fontTexture", 0);
glCheckError();
vpWidth = windowWidth;
vpHeight = windowHeight;
}
Rml::FileHandle RmlFileInterface::Open(const Rml::String& path) {
Rml::FileHandle fileId = handles.rbegin() != handles.rend() ? handles.rbegin()->first + 1 : 1;
while (handles.find(fileId) != handles.end())
fileId++;
AssetHandle handle;
handle.fileName = path;
std::string assetName = path;
if (*assetName.begin() != '/')
assetName = "/" + assetName;
handle.assetPtr = AssetManager::GetAssetByAssetName(assetName);
handle.filePos = 0;
if (handle.assetPtr != nullptr)
handles.insert(std::make_pair(fileId, handle));
else
fileId = 0;
return fileId;
}
void RmlFileInterface::Close(Rml::FileHandle file) {
handles.erase(file);
}
size_t RmlFileInterface::Read(void* buffer, size_t size, Rml::FileHandle file) {
size_t readed = 0;
readed = _min((size_t)(handles[file].assetPtr->data.size() - handles[file].filePos), size);
std::memcpy(buffer, handles[file].assetPtr->data.data() + handles[file].filePos, readed);
handles[file].filePos += readed;
return readed;
}
bool RmlFileInterface::Seek(Rml::FileHandle file, long offset, int origin) {
unsigned long long base = 0;
if (origin == SEEK_CUR)
base = handles[file].filePos;
else if (origin == SEEK_END)
base = handles[file].assetPtr->data.size();
handles[file].filePos = base + offset;
return true;
}
size_t RmlFileInterface::Tell(Rml::FileHandle file) {
return handles[file].filePos;
}
|
