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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "backends/platform/3ds/osystem.h"
#include "backends/platform/3ds/sprite.h"
#include "common/algorithm.h"
#include "common/util.h"
namespace N3DS {
Sprite::Sprite()
: textureTransferFlags(0)
, dirtyPixels(true)
, dirtyMatrix(true)
, actualWidth(0)
, actualHeight(0)
, posX(0)
, posY(0)
, offsetX(0)
, offsetY(0)
, scaleX(1.f)
, scaleY(1.f)
{
Mtx_Identity(&modelview);
vertices = (vertex *)linearAlloc(sizeof(vertex) * 4);
}
Sprite::~Sprite() {
free();
linearFree(vertices);
}
void Sprite::create(uint16 width, uint16 height, const GfxMode3DS *mode, bool vram) {
int16 wPow = MAX<uint16>(Common::nextHigher2(width), 64u);
int16 hPow = MAX<uint16>(Common::nextHigher2(height), 64u);
bool pwrW_hChanged = (wPow != w) || (hPow != h);
bool sfcBppChanged = (mode->surfaceFormat.bytesPerPixel != format.bytesPerPixel);
bool texFmtChanged = (mode->textureFormat != texture.fmt);
bool srfDataReinitNeeded = (pwrW_hChanged || sfcBppChanged || !pixels);
bool textureReinitNeeded = (pwrW_hChanged || texFmtChanged || !texture.data);
actualWidth = width;
actualHeight = height;
format = mode->surfaceFormat;
textureTransferFlags = mode->textureTransferFlags;
w = wPow;
h = hPow;
pitch = w * format.bytesPerPixel;
dirtyPixels = true;
if (width && height) {
// Don't needlessly reinitialize surface pixels.
if (srfDataReinitNeeded) {
linearFree(pixels);
pixels = linearAlloc(h * pitch);
}
// Don't needlessly reinitialize C3D_Tex data.
if (textureReinitNeeded) {
C3D_TexDelete(&texture);
if (vram) {
if (!C3D_TexInitVRAM(&texture, w, h, mode->textureFormat))
C3D_TexInit(&texture, w, h, mode->textureFormat);
} else
C3D_TexInit(&texture, w, h, mode->textureFormat);
}
assert(pixels && texture.data);
clear();
}
float x = 0.f, y = 0.f;
float u = (float)width/w;
float v = (float)height/h;
vertex tmp[4] = {
{{x, y, 0.5f}, {0, 0}},
{{x+width, y, 0.5f}, {u, 0}},
{{x, y+height, 0.5f}, {0, v}},
{{x+width, y+height, 0.5f}, {u, v}},
};
memcpy(vertices, tmp, sizeof(vertex) * 4);
}
void Sprite::free() {
linearFree(pixels);
C3D_TexDelete(&texture);
pixels = 0;
w = h = pitch = 0;
actualWidth = actualHeight = 0;
format = Graphics::PixelFormat();
}
void Sprite::convertToInPlace(const Graphics::PixelFormat &dstFormat, const byte *palette) {
//
}
void Sprite::transfer() {
if (pixels && dirtyPixels) {
dirtyPixels = false;
GSPGPU_FlushDataCache(pixels, w * h * format.bytesPerPixel);
C3D_SyncDisplayTransfer((u32*)pixels, GX_BUFFER_DIM(w, h), (u32*)texture.data, GX_BUFFER_DIM(w, h), textureTransferFlags);
}
}
void Sprite::render() {
C3D_TexBind(0, &texture);
C3D_BufInfo *bufInfo = C3D_GetBufInfo();
BufInfo_Init(bufInfo);
BufInfo_Add(bufInfo, vertices, sizeof(vertex), 2, 0x10);
C3D_DrawArrays(GPU_TRIANGLE_STRIP, 0, 4);
}
void Sprite::clear(uint32 color) {
dirtyPixels = true;
memset(pixels, color, w * h * format.bytesPerPixel);
}
void Sprite::setScale (float x, float y) {
if (x != scaleX || y != scaleY) {
scaleX = x;
scaleY = y;
dirtyMatrix = true;
}
}
void Sprite::setPosition(int x, int y) {
if (x != posX || y != posY) {
posX = x;
posY = y;
dirtyMatrix = true;
}
}
void Sprite::setOffset(uint16 x, uint16 y) {
offsetX = x;
offsetY = y;
dirtyMatrix = true;
}
C3D_Mtx* Sprite::getMatrix() {
if (dirtyMatrix) {
dirtyMatrix = false;
Mtx_Identity(&modelview);
Mtx_Scale(&modelview, scaleX, scaleY, 1.f);
Mtx_Translate(&modelview, posX - offsetX, posY - offsetY, 0, true);
}
return &modelview;
}
void Sprite::setFilteringMode(bool enableLinearFiltering) {
GPU_TEXTURE_FILTER_PARAM filteringMode = enableLinearFiltering ? GPU_LINEAR : GPU_NEAREST;
C3D_TexSetFilter(&texture, filteringMode, filteringMode);
}
} // namespace N3DS
|
