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
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
|
using OpenTK;
using OpenTK.Graphics.OpenGL;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Gal.OpenGL
{
public class OpenGLRenderer : IGalRenderer
{
private struct VertexBuffer
{
public int VaoHandle;
public int VboHandle;
public int PrimCount;
}
private struct Texture
{
public int Handle;
}
private List<VertexBuffer> VertexBuffers;
private Texture[] Textures;
private ConcurrentQueue<Action> ActionsQueue;
private FrameBuffer FbRenderer;
public OpenGLRenderer()
{
VertexBuffers = new List<VertexBuffer>();
Textures = new Texture[8];
ActionsQueue = new ConcurrentQueue<Action>();
}
public void InitializeFrameBuffer()
{
FbRenderer = new FrameBuffer(1280, 720);
}
public void QueueAction(Action ActionMthd)
{
ActionsQueue.Enqueue(ActionMthd);
}
public void RunActions()
{
int Count = ActionsQueue.Count;
while (Count-- > 0 && ActionsQueue.TryDequeue(out Action RenderAction))
{
RenderAction();
}
}
public void Render()
{
FbRenderer.Render();
for (int Index = 0; Index < VertexBuffers.Count; Index++)
{
VertexBuffer Vb = VertexBuffers[Index];
if (Vb.VaoHandle != 0 &&
Vb.PrimCount != 0)
{
GL.BindVertexArray(Vb.VaoHandle);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, Vb.PrimCount);
}
}
}
public void SetWindowSize(int Width, int Height)
{
FbRenderer.WindowWidth = Width;
FbRenderer.WindowHeight = Height;
}
public unsafe void SetFrameBuffer(
byte* Fb,
int Width,
int Height,
float ScaleX,
float ScaleY,
float OffsX,
float OffsY,
float Rotate)
{
Matrix2 Transform;
Transform = Matrix2.CreateScale(ScaleX, ScaleY);
Transform *= Matrix2.CreateRotation(Rotate);
Vector2 Offs = new Vector2(OffsX, OffsY);
FbRenderer.Set(Fb, Width, Height, Transform, Offs);
}
public void SendVertexBuffer(int Index, byte[] Buffer, int Stride, GalVertexAttrib[] Attribs)
{
if (Index < 0)
{
throw new ArgumentOutOfRangeException(nameof(Index));
}
if (Buffer.Length == 0 || Stride == 0)
{
return;
}
EnsureVbInitialized(Index);
VertexBuffer Vb = VertexBuffers[Index];
Vb.PrimCount = Buffer.Length / Stride;
VertexBuffers[Index] = Vb;
IntPtr Length = new IntPtr(Buffer.Length);
GL.BindBuffer(BufferTarget.ArrayBuffer, Vb.VboHandle);
GL.BufferData(BufferTarget.ArrayBuffer, Length, Buffer, BufferUsageHint.StreamDraw);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindVertexArray(Vb.VaoHandle);
for (int Attr = 0; Attr < 16; Attr++)
{
GL.DisableVertexAttribArray(Attr);
}
foreach (GalVertexAttrib Attrib in Attribs)
{
if (Attrib.Index >= 3) break;
GL.EnableVertexAttribArray(Attrib.Index);
GL.BindBuffer(BufferTarget.ArrayBuffer, Vb.VboHandle);
int Size = 0;
switch (Attrib.Size)
{
case GalVertexAttribSize._8:
case GalVertexAttribSize._16:
case GalVertexAttribSize._32:
Size = 1;
break;
case GalVertexAttribSize._8_8:
case GalVertexAttribSize._16_16:
case GalVertexAttribSize._32_32:
Size = 2;
break;
case GalVertexAttribSize._8_8_8:
case GalVertexAttribSize._11_11_10:
case GalVertexAttribSize._16_16_16:
case GalVertexAttribSize._32_32_32:
Size = 3;
break;
case GalVertexAttribSize._8_8_8_8:
case GalVertexAttribSize._10_10_10_2:
case GalVertexAttribSize._16_16_16_16:
case GalVertexAttribSize._32_32_32_32:
Size = 4;
break;
}
bool Signed =
Attrib.Type == GalVertexAttribType.Snorm ||
Attrib.Type == GalVertexAttribType.Sint ||
Attrib.Type == GalVertexAttribType.Sscaled;
bool Normalize =
Attrib.Type == GalVertexAttribType.Snorm ||
Attrib.Type == GalVertexAttribType.Unorm;
VertexAttribPointerType Type = 0;
switch (Attrib.Type)
{
case GalVertexAttribType.Snorm:
case GalVertexAttribType.Unorm:
case GalVertexAttribType.Sint:
case GalVertexAttribType.Uint:
case GalVertexAttribType.Uscaled:
case GalVertexAttribType.Sscaled:
{
switch (Attrib.Size)
{
case GalVertexAttribSize._8:
case GalVertexAttribSize._8_8:
case GalVertexAttribSize._8_8_8:
case GalVertexAttribSize._8_8_8_8:
{
Type = Signed
? VertexAttribPointerType.Byte
: VertexAttribPointerType.UnsignedByte;
break;
}
case GalVertexAttribSize._16:
case GalVertexAttribSize._16_16:
case GalVertexAttribSize._16_16_16:
case GalVertexAttribSize._16_16_16_16:
{
Type = Signed
? VertexAttribPointerType.Short
: VertexAttribPointerType.UnsignedShort;
break;
}
case GalVertexAttribSize._10_10_10_2:
case GalVertexAttribSize._11_11_10:
case GalVertexAttribSize._32:
case GalVertexAttribSize._32_32:
case GalVertexAttribSize._32_32_32:
case GalVertexAttribSize._32_32_32_32:
{
Type = Signed
? VertexAttribPointerType.Int
: VertexAttribPointerType.UnsignedInt;
break;
}
}
break;
}
case GalVertexAttribType.Float:
{
Type = VertexAttribPointerType.Float;
break;
}
}
GL.VertexAttribPointer(
Attrib.Index,
Size,
Type,
Normalize,
Stride,
Attrib.Offset);
}
GL.BindVertexArray(0);
}
public void SendR8G8B8A8Texture(int Index, byte[] Buffer, int Width, int Height)
{
EnsureTexInitialized(Index);
GL.BindTexture(TextureTarget.Texture2D, Textures[Index].Handle);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexImage2D(TextureTarget.Texture2D,
0,
PixelInternalFormat.Rgba,
Width,
Height,
0,
PixelFormat.Rgba,
PixelType.UnsignedByte,
Buffer);
}
public void BindTexture(int Index)
{
GL.ActiveTexture(TextureUnit.Texture0 + Index);
GL.BindTexture(TextureTarget.Texture2D, Textures[Index].Handle);
}
private void EnsureVbInitialized(int VbIndex)
{
while (VbIndex >= VertexBuffers.Count)
{
VertexBuffers.Add(new VertexBuffer());
}
VertexBuffer Vb = VertexBuffers[VbIndex];
if (Vb.VaoHandle == 0)
{
Vb.VaoHandle = GL.GenVertexArray();
}
if (Vb.VboHandle == 0)
{
Vb.VboHandle = GL.GenBuffer();
}
VertexBuffers[VbIndex] = Vb;
}
private void EnsureTexInitialized(int TexIndex)
{
Texture Tex = Textures[TexIndex];
if (Tex.Handle == 0)
{
Tex.Handle = GL.GenTexture();
}
Textures[TexIndex] = Tex;
}
}
}
|
