1 /*---------------------------------------------------------------------------*
2 Project: NintendoWare
3 File: font_Font.cpp
4
5 Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc. All rights reserved.
6
7 These coded instructions, statements, and computer programs contain
8 proprietary information of Nintendo of America Inc. and/or Nintendo
9 Company Ltd., and are protected by Federal copyright law. They may
10 not be disclosed to third parties or copied or duplicated in any form,
11 in whole or in part, without the prior written consent of Nintendo.
12
13 $Revision: 21906 $
14 *---------------------------------------------------------------------------*/
15
16 #include "precompiled.h"
17
18 #include <GLES2/gl2.h>
19 #include <GLES2/gl2ext.h>
20 #include <nn/assert.h>
21 #include <nn/gx.h>
22 #ifdef NW_PLATFORM_CTR
23 #include <nn/gx/CTR/gx_CommandAccess.h>
24 #endif
25 #include <nw/font/font_Font.h>
26
27
28 namespace nw {
29 namespace font {
30
31 namespace internal {
32
33 void
LoadTexture(u16 texWidth,u16 texHeight,TexFmt texFormat,const void * pImage,bool isSmallLinearFilter,bool isLargeLinearFilter)34 LoadTexture(
35 u16 texWidth,
36 u16 texHeight,
37 TexFmt texFormat,
38 const void* pImage,
39 bool isSmallLinearFilter,
40 bool isLargeLinearFilter
41 )
42 {
43 GLenum format = GL_ALPHA_NATIVE_DMP;
44 GLenum type = GL_UNSIGNED_BYTE;
45 switch (texFormat)
46 {
47 case FONT_SHEET_FORMAT_A4: format = GL_ALPHA_NATIVE_DMP; type = GL_UNSIGNED_4BITS_DMP; break;
48 case FONT_SHEET_FORMAT_A8: format = GL_ALPHA_NATIVE_DMP; type = GL_UNSIGNED_BYTE; break;
49 case FONT_SHEET_FORMAT_LA4: format = GL_LUMINANCE_ALPHA_NATIVE_DMP; type = GL_UNSIGNED_BYTE_4_4_DMP; break;
50 case FONT_SHEET_FORMAT_LA8: format = GL_LUMINANCE_ALPHA_NATIVE_DMP; type = GL_UNSIGNED_BYTE; break;
51
52 case FONT_SHEET_FORMAT_RGBA4: format = GL_RGBA_NATIVE_DMP; type = GL_UNSIGNED_SHORT_4_4_4_4; break;
53 case FONT_SHEET_FORMAT_RGB5A1: format = GL_RGBA_NATIVE_DMP; type = GL_UNSIGNED_SHORT_5_5_5_1; break;
54 case FONT_SHEET_FORMAT_RGBA8: format = GL_RGBA_NATIVE_DMP; type = GL_UNSIGNED_BYTE; break;
55 case FONT_SHEET_FORMAT_RGB565: format = GL_RGB_NATIVE_DMP; type = GL_UNSIGNED_SHORT_5_6_5; break;
56 case FONT_SHEET_FORMAT_RGB8: format = GL_RGB_NATIVE_DMP; type = GL_UNSIGNED_BYTE; break;
57 default:
58 NN_ASSERTMSG(false,
59 "CharWriter::LoadTexture() : Unknown font sheet format(=%d)",
60 texFormat);
61 }
62 const GLint mipLevel = 0;
63
64 // テクスチャのメモリへの読み込み指定
65 int texLoadFlag =
66 #ifdef NW_PLATFORM_CTR
67 // フォントリソースがメモリに存在していることが前提であるため、
68 // FCRAMのものを直接参照してもらい、コピーしない。
69 NN_GX_MEM_FCRAM | GL_NO_COPY_FCRAM_DMP
70 #else
71 0
72 #endif
73 ;
74
75 glTexImage2D(GL_TEXTURE_2D | texLoadFlag, mipLevel, format, texWidth, texHeight, 0, format, type, pImage);
76
77 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
78 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
79 GLint filter = isSmallLinearFilter ? GL_LINEAR: GL_NEAREST;
80 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
81 filter = isLargeLinearFilter ? GL_LINEAR: GL_NEAREST;
82 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
83 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, 0.0f);
84 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, -1000);
85 }
86
TextureObject()87 TextureObject::TextureObject()
88 {
89 Reset();
90 }
91
92 void
Set(u32 name,const Font * pFont,const void * pImage,TexFmt format,u16 width,u16 height)93 TextureObject::Set(
94 u32 name,
95 const Font* pFont,
96 const void* pImage,
97 TexFmt format,
98 u16 width,
99 u16 height
100 )
101 {
102 m_Name = name;
103 m_pFont = pFont;
104
105 m_pImage = pImage == NULL ?
106 0:
107 #ifdef NW_PLATFORM_CTR
108 (nngxGetPhysicalAddr(reinterpret_cast<uptr>(pImage)) / 8)
109 #else
110 reinterpret_cast<uptr>(pImage)
111 #endif
112 ;
113
114 m_Format = static_cast<u8>(format);
115 m_Size.width = width;
116 m_Size.height = height;
117 }
118
119 } // namespace internal
120
Glyph()121 Glyph::Glyph()
122 : isSheetUpdated(false)
123 {
124 }
125
~Font()126 Font::~Font()
127 {
128 }
129
130 const CharStrmReader
GetCharStrmReader(char) const131 Font::GetCharStrmReader(char /* dummy */) const
132 {
133 CharStrmReader::ReadNextCharFunc func = NULL;
134
135 switch (GetCharacterCode())
136 {
137 case CHARACTER_CODE_UNICODE: func = &CharStrmReader::ReadNextCharUTF8; break;
138 case CHARACTER_CODE_SJIS: func = &CharStrmReader::ReadNextCharSJIS; break;
139 case CHARACTER_CODE_CP1252: func = &CharStrmReader::ReadNextCharCP1252; break;
140
141 default:
142 NN_ASSERT(false);
143 break;
144 }
145
146 return CharStrmReader(func);
147 }
148
149 const CharStrmReader
GetCharStrmReader(wchar_t) const150 Font::GetCharStrmReader(wchar_t /* dummy */) const
151 {
152 CharStrmReader::ReadNextCharFunc func = NULL;
153
154 switch (GetCharacterCode())
155 {
156 case CHARACTER_CODE_UNICODE: func = &CharStrmReader::ReadNextCharUTF16; break;
157
158 default:
159 NN_ASSERT(false);
160 break;
161 }
162
163 return CharStrmReader(func);
164 }
165
166 } // namespace font
167 } // namespace nw
168