6 #include "intoverflow.h"
9 #define GL_TEXTURE_3D 0x806F
12 cvar_t gl_max_size = {CVAR_SAVE, "gl_max_size", "2048", "maximum allowed texture size, can be used to reduce video memory usage, limited by hardware capabilities (typically 2048, 4096, or 8192)"};
13 cvar_t gl_max_lightmapsize = {CVAR_SAVE, "gl_max_lightmapsize", "1024", "maximum allowed texture size for lightmap textures, use larger values to improve rendering speed, as long as there is enough video memory available (setting it too high for the hardware will cause very bad performance)"};
14 cvar_t gl_picmip = {CVAR_SAVE, "gl_picmip", "0", "reduces resolution of textures by powers of 2, for example 1 will halve width/height, reducing texture memory usage by 75%"};
15 cvar_t gl_picmip_world = {CVAR_SAVE, "gl_picmip_world", "0", "extra picmip level for world textures (may be negative, which will then reduce gl_picmip for these)"};
16 cvar_t r_picmipworld = {CVAR_SAVE, "r_picmipworld", "1", "whether gl_picmip shall apply to world textures too (setting this to 0 is a shorthand for gl_picmip_world -9999999)"};
17 cvar_t gl_picmip_sprites = {CVAR_SAVE, "gl_picmip_sprites", "0", "extra picmip level for sprite textures (may be negative, which will then reduce gl_picmip for these)"};
18 cvar_t r_picmipsprites = {CVAR_SAVE, "r_picmipsprites", "1", "make gl_picmip affect sprites too (saves some graphics memory in sprite heavy games) (setting this to 0 is a shorthand for gl_picmip_sprites -9999999)"};
19 cvar_t gl_picmip_other = {CVAR_SAVE, "gl_picmip_other", "0", "extra picmip level for other textures (may be negative, which will then reduce gl_picmip for these)"};
20 cvar_t r_lerpimages = {CVAR_SAVE, "r_lerpimages", "1", "bilinear filters images when scaling them up to power of 2 size (mode 1), looks better than glquake (mode 0)"};
21 cvar_t gl_texture_anisotropy = {CVAR_SAVE, "gl_texture_anisotropy", "1", "anisotropic filtering quality (if supported by hardware), 1 sample (no anisotropy) and 8 sample (8 tap anisotropy) are recommended values"};
22 cvar_t gl_texturecompression = {CVAR_SAVE, "gl_texturecompression", "0", "whether to compress textures, a value of 0 disables compression (even if the individual cvars are 1), 1 enables fast (low quality) compression at startup, 2 enables slow (high quality) compression at startup"};
23 cvar_t gl_texturecompression_color = {CVAR_SAVE, "gl_texturecompression_color", "1", "whether to compress colormap (diffuse) textures"};
24 cvar_t gl_texturecompression_normal = {CVAR_SAVE, "gl_texturecompression_normal", "0", "whether to compress normalmap (normalmap) textures"};
25 cvar_t gl_texturecompression_gloss = {CVAR_SAVE, "gl_texturecompression_gloss", "1", "whether to compress glossmap (specular) textures"};
26 cvar_t gl_texturecompression_glow = {CVAR_SAVE, "gl_texturecompression_glow", "1", "whether to compress glowmap (luma) textures"};
27 cvar_t gl_texturecompression_2d = {CVAR_SAVE, "gl_texturecompression_2d", "0", "whether to compress 2d (hud/menu) textures other than the font"};
28 cvar_t gl_texturecompression_q3bsplightmaps = {CVAR_SAVE, "gl_texturecompression_q3bsplightmaps", "0", "whether to compress lightmaps in q3bsp format levels"};
29 cvar_t gl_texturecompression_q3bspdeluxemaps = {CVAR_SAVE, "gl_texturecompression_q3bspdeluxemaps", "0", "whether to compress deluxemaps in q3bsp format levels (only levels compiled with q3map2 -deluxe have these)"};
30 cvar_t gl_texturecompression_sky = {CVAR_SAVE, "gl_texturecompression_sky", "0", "whether to compress sky textures"};
31 cvar_t gl_texturecompression_lightcubemaps = {CVAR_SAVE, "gl_texturecompression_lightcubemaps", "1", "whether to compress light cubemaps (spotlights and other light projection images)"};
32 cvar_t gl_texturecompression_reflectmask = {CVAR_SAVE, "gl_texturecompression_reflectmask", "1", "whether to compress reflection cubemap masks (mask of which areas of the texture should reflect the generic shiny cubemap)"};
33 cvar_t gl_texturecompression_sprites = {CVAR_SAVE, "gl_texturecompression_sprites", "1", "whether to compress sprites"};
34 cvar_t gl_nopartialtextureupdates = {CVAR_SAVE, "gl_nopartialtextureupdates", "0", "use alternate path for dynamic lightmap updates that avoids a possibly slow code path in the driver"};
35 cvar_t r_texture_dds_load_alphamode = {0, "r_texture_dds_load_alphamode", "1", "0: trust DDPF_ALPHAPIXELS flag, 1: texture format and brute force search if ambiguous, 2: texture format only"};
36 cvar_t r_texture_dds_load_logfailure = {0, "r_texture_dds_load_logfailure", "0", "log missing DDS textures to ddstexturefailures.log, 0: done log, 1: log with no optional textures (_norm, glow etc.). 2: log all"};
37 cvar_t r_texture_dds_swdecode = {0, "r_texture_dds_swdecode", "0", "0: don't software decode DDS, 1: software decode DDS if unsupported, 2: always software decode DDS"};
39 qboolean gl_filter_force = false;
40 int gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
41 int gl_filter_mag = GL_LINEAR;
44 static mempool_t *texturemempool;
45 static memexpandablearray_t texturearray;
47 // note: this must not conflict with TEXF_ flags in r_textures.h
48 // bitmask for mismatch checking
49 #define GLTEXF_IMPORTANTBITS (0)
50 // dynamic texture (treat texnum == 0 differently)
51 #define GLTEXF_DYNAMIC 0x00080000
53 typedef struct textypeinfo_s
57 int inputbytesperpixel;
58 int internalbytesperpixel;
59 float glinternalbytesperpixel;
68 // we use these internally even if we never deliver such data to the driver
70 #define GL_BGRA 0x80E1
72 // framebuffer texture formats
73 // GLES2 devices rarely support depth textures, so we actually use a renderbuffer there
74 static textypeinfo_t textype_shadowmap16_comp = {"shadowmap16_comp", TEXTYPE_SHADOWMAP16_COMP , 2, 2, 2.0f, GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
75 static textypeinfo_t textype_shadowmap16_raw = {"shadowmap16_raw", TEXTYPE_SHADOWMAP16_RAW , 2, 2, 2.0f, GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
76 static textypeinfo_t textype_shadowmap24_comp = {"shadowmap24_comp", TEXTYPE_SHADOWMAP24_COMP , 2, 2, 2.0f, GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
77 static textypeinfo_t textype_shadowmap24_raw = {"shadowmap24_raw", TEXTYPE_SHADOWMAP24_RAW , 2, 2, 2.0f, GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
78 static textypeinfo_t textype_depth16 = {"depth16", TEXTYPE_DEPTHBUFFER16 , 2, 2, 2.0f, GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
79 static textypeinfo_t textype_depth24 = {"depth24", TEXTYPE_DEPTHBUFFER24 , 2, 2, 2.0f, GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
80 static textypeinfo_t textype_depth24stencil8 = {"depth24stencil8", TEXTYPE_DEPTHBUFFER24STENCIL8, 2, 2, 2.0f, GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
81 static textypeinfo_t textype_colorbuffer = {"colorbuffer", TEXTYPE_COLORBUFFER , 2, 2, 2.0f, GL_RGB565 , GL_RGBA , GL_UNSIGNED_SHORT_5_6_5};
82 static textypeinfo_t textype_colorbuffer16f = {"colorbuffer16f", TEXTYPE_COLORBUFFER16F , 2, 2, 2.0f, GL_RGBA16F , GL_RGBA , GL_HALF_FLOAT_ARB};
83 static textypeinfo_t textype_colorbuffer32f = {"colorbuffer32f", TEXTYPE_COLORBUFFER32F , 2, 2, 2.0f, GL_RGBA32F , GL_RGBA , GL_FLOAT};
86 static textypeinfo_t textype_alpha = {"alpha", TEXTYPE_ALPHA , 1, 4, 4.0f, GL_ALPHA , GL_ALPHA , GL_UNSIGNED_BYTE };
87 static textypeinfo_t textype_palette = {"palette", TEXTYPE_PALETTE , 1, 4, 4.0f, GL_RGBA , GL_BGRA , GL_UNSIGNED_BYTE };
88 static textypeinfo_t textype_palette_alpha = {"palette_alpha", TEXTYPE_PALETTE , 1, 4, 4.0f, GL_RGBA , GL_BGRA , GL_UNSIGNED_BYTE };
89 static textypeinfo_t textype_rgba = {"rgba", TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGBA , GL_RGBA , GL_UNSIGNED_BYTE };
90 static textypeinfo_t textype_rgba_alpha = {"rgba_alpha", TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGBA , GL_RGBA , GL_UNSIGNED_BYTE };
91 static textypeinfo_t textype_bgra = {"bgra", TEXTYPE_BGRA , 4, 4, 4.0f, GL_RGBA , GL_BGRA , GL_UNSIGNED_BYTE };
92 static textypeinfo_t textype_bgra_alpha = {"bgra_alpha", TEXTYPE_BGRA , 4, 4, 4.0f, GL_RGBA , GL_BGRA , GL_UNSIGNED_BYTE };
94 static textypeinfo_t textype_etc1 = {"etc1", TEXTYPE_ETC1 , 1, 3, 0.5f, GL_ETC1_RGB8_OES , 0 , 0 };
97 // framebuffer texture formats
98 static textypeinfo_t textype_shadowmap16_comp = {"shadowmap16_comp", TEXTYPE_SHADOWMAP16_COMP , 2, 2, 2.0f, GL_DEPTH_COMPONENT16_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
99 static textypeinfo_t textype_shadowmap16_raw = {"shadowmap16_raw", TEXTYPE_SHADOWMAP16_RAW , 2, 2, 2.0f, GL_DEPTH_COMPONENT16_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
100 static textypeinfo_t textype_shadowmap24_comp = {"shadowmap24_comp", TEXTYPE_SHADOWMAP24_COMP , 4, 4, 4.0f, GL_DEPTH_COMPONENT24_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_INT };
101 static textypeinfo_t textype_shadowmap24_raw = {"shadowmap24_raw", TEXTYPE_SHADOWMAP24_RAW , 4, 4, 4.0f, GL_DEPTH_COMPONENT24_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_INT };
102 static textypeinfo_t textype_depth16 = {"depth16", TEXTYPE_DEPTHBUFFER16 , 2, 2, 2.0f, GL_DEPTH_COMPONENT16_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
103 static textypeinfo_t textype_depth24 = {"depth24", TEXTYPE_DEPTHBUFFER24 , 4, 4, 4.0f, GL_DEPTH_COMPONENT24_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_INT };
104 static textypeinfo_t textype_depth24stencil8 = {"depth24stencil8", TEXTYPE_DEPTHBUFFER24STENCIL8, 4, 4, 4.0f, GL_DEPTH24_STENCIL8_EXT , GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT};
105 static textypeinfo_t textype_colorbuffer = {"colorbuffer", TEXTYPE_COLORBUFFER , 4, 4, 4.0f, GL_RGBA , GL_BGRA , GL_UNSIGNED_BYTE };
106 static textypeinfo_t textype_colorbuffer16f = {"colorbuffer16f", TEXTYPE_COLORBUFFER16F , 8, 8, 8.0f, GL_RGBA16F_ARB , GL_RGBA , GL_HALF_FLOAT_ARB};
107 static textypeinfo_t textype_colorbuffer32f = {"colorbuffer32f", TEXTYPE_COLORBUFFER32F , 16, 16, 16.0f, GL_RGBA32F_ARB , GL_RGBA , GL_FLOAT };
110 static textypeinfo_t textype_alpha = {"alpha", TEXTYPE_ALPHA , 1, 4, 4.0f, GL_ALPHA , GL_ALPHA , GL_UNSIGNED_BYTE };
111 static textypeinfo_t textype_palette = {"palette", TEXTYPE_PALETTE , 1, 4, 4.0f, GL_RGB , GL_BGRA , GL_UNSIGNED_BYTE };
112 static textypeinfo_t textype_palette_alpha = {"palette_alpha", TEXTYPE_PALETTE , 1, 4, 4.0f, GL_RGBA , GL_BGRA , GL_UNSIGNED_BYTE };
113 static textypeinfo_t textype_rgba = {"rgba", TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGB , GL_RGBA , GL_UNSIGNED_BYTE };
114 static textypeinfo_t textype_rgba_alpha = {"rgba_alpha", TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGBA , GL_RGBA , GL_UNSIGNED_BYTE };
115 static textypeinfo_t textype_rgba_compress = {"rgba_compress", TEXTYPE_RGBA , 4, 4, 0.5f, GL_COMPRESSED_RGB_S3TC_DXT1_EXT , GL_RGBA , GL_UNSIGNED_BYTE };
116 static textypeinfo_t textype_rgba_alpha_compress = {"rgba_alpha_compress", TEXTYPE_RGBA , 4, 4, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT , GL_RGBA , GL_UNSIGNED_BYTE };
117 static textypeinfo_t textype_bgra = {"bgra", TEXTYPE_BGRA , 4, 4, 4.0f, GL_RGB , GL_BGRA , GL_UNSIGNED_BYTE };
118 static textypeinfo_t textype_bgra_alpha = {"bgra_alpha", TEXTYPE_BGRA , 4, 4, 4.0f, GL_RGBA , GL_BGRA , GL_UNSIGNED_BYTE };
119 static textypeinfo_t textype_bgra_compress = {"bgra_compress", TEXTYPE_BGRA , 4, 4, 0.5f, GL_COMPRESSED_RGB_S3TC_DXT1_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
120 static textypeinfo_t textype_bgra_alpha_compress = {"bgra_alpha_compress", TEXTYPE_BGRA , 4, 4, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
121 static textypeinfo_t textype_dxt1 = {"dxt1", TEXTYPE_DXT1 , 4, 0, 0.5f, GL_COMPRESSED_RGB_S3TC_DXT1_EXT , 0 , 0 };
122 static textypeinfo_t textype_dxt1a = {"dxt1a", TEXTYPE_DXT1A , 4, 0, 0.5f, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT , 0 , 0 };
123 static textypeinfo_t textype_dxt3 = {"dxt3", TEXTYPE_DXT3 , 4, 0, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT , 0 , 0 };
124 static textypeinfo_t textype_dxt5 = {"dxt5", TEXTYPE_DXT5 , 4, 0, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT , 0 , 0 };
125 static textypeinfo_t textype_sRGB_palette = {"sRGB_palette", TEXTYPE_PALETTE , 1, 4, 4.0f, GL_SRGB_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
126 static textypeinfo_t textype_sRGB_palette_alpha = {"sRGB_palette_alpha", TEXTYPE_PALETTE , 1, 4, 4.0f, GL_SRGB_ALPHA_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
127 static textypeinfo_t textype_sRGB_rgba = {"sRGB_rgba", TEXTYPE_RGBA , 4, 4, 4.0f, GL_SRGB_EXT , GL_RGBA , GL_UNSIGNED_BYTE };
128 static textypeinfo_t textype_sRGB_rgba_alpha = {"sRGB_rgba_alpha", TEXTYPE_RGBA , 4, 4, 4.0f, GL_SRGB_ALPHA_EXT , GL_RGBA , GL_UNSIGNED_BYTE };
129 static textypeinfo_t textype_sRGB_rgba_compress = {"sRGB_rgba_compress", TEXTYPE_RGBA , 4, 4, 0.5f, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT , GL_RGBA , GL_UNSIGNED_BYTE };
130 static textypeinfo_t textype_sRGB_rgba_alpha_compress = {"sRGB_rgba_alpha_compress", TEXTYPE_RGBA , 4, 4, 1.0f, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RGBA , GL_UNSIGNED_BYTE };
131 static textypeinfo_t textype_sRGB_bgra = {"sRGB_bgra", TEXTYPE_BGRA , 4, 4, 4.0f, GL_SRGB_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
132 static textypeinfo_t textype_sRGB_bgra_alpha = {"sRGB_bgra_alpha", TEXTYPE_BGRA , 4, 4, 4.0f, GL_SRGB_ALPHA_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
133 static textypeinfo_t textype_sRGB_bgra_compress = {"sRGB_bgra_compress", TEXTYPE_BGRA , 4, 4, 0.5f, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
134 static textypeinfo_t textype_sRGB_bgra_alpha_compress = {"sRGB_bgra_alpha_compress", TEXTYPE_BGRA , 4, 4, 1.0f, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_BGRA , GL_UNSIGNED_BYTE };
135 static textypeinfo_t textype_sRGB_dxt1 = {"sRGB_dxt1", TEXTYPE_DXT1 , 4, 0, 0.5f, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT , 0 , 0 };
136 static textypeinfo_t textype_sRGB_dxt1a = {"sRGB_dxt1a", TEXTYPE_DXT1A , 4, 0, 0.5f, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 , 0 };
137 static textypeinfo_t textype_sRGB_dxt3 = {"sRGB_dxt3", TEXTYPE_DXT3 , 4, 0, 1.0f, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 , 0 };
138 static textypeinfo_t textype_sRGB_dxt5 = {"sRGB_dxt5", TEXTYPE_DXT5 , 4, 0, 1.0f, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 , 0 };
141 typedef enum gltexturetype_e
145 GLTEXTURETYPE_CUBEMAP,
150 static int gltexturetypeenums[GLTEXTURETYPE_TOTAL] = {GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_CUBE_MAP};
151 #ifdef GL_TEXTURE_WRAP_R
152 static int gltexturetypedimensions[GLTEXTURETYPE_TOTAL] = {2, 3, 2};
154 static int cubemapside[6] =
156 GL_TEXTURE_CUBE_MAP_POSITIVE_X,
157 GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
158 GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
159 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
160 GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
161 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
164 typedef struct gltexture_s
166 // this portion of the struct is exposed to the R_GetTexture macro for
167 // speed reasons, must be identical in rtexture_t!
168 int texnum; // GL texture slot number
169 int renderbuffernum; // GL renderbuffer slot number
170 qboolean dirty; // indicates that R_RealGetTexture should be called
171 qboolean glisdepthstencil; // indicates that FBO attachment has to be GL_DEPTH_STENCIL_ATTACHMENT
172 int gltexturetypeenum; // used by R_Mesh_TexBind
174 // dynamic texture stuff [11/22/2007 Black]
175 updatecallback_t updatecallback;
176 void *updatecallback_data;
177 // --- [11/22/2007 Black]
179 // stores backup copy of texture for deferred texture updates (gl_nopartialtextureupdates cvar)
180 unsigned char *bufferpixels;
181 qboolean buffermodified;
183 // pointer to texturepool (check this to see if the texture is allocated)
184 struct gltexturepool_s *pool;
185 // pointer to next texture in texturepool chain
186 struct gltexture_s *chain;
187 // name of the texture (this might be removed someday), no duplicates
188 char identifier[MAX_QPATH + 32];
189 // original data size in *inputtexels
190 int inputwidth, inputheight, inputdepth;
191 // copy of the original texture(s) supplied to the upload function, for
192 // delayed uploads (non-precached)
193 unsigned char *inputtexels;
194 // original data size in *inputtexels
196 // flags supplied to the LoadTexture function
197 // (might be altered to remove TEXF_ALPHA), and GLTEXF_ private flags
201 // pointer to one of the textype_ structs
202 textypeinfo_t *textype;
203 // one of the GLTEXTURETYPE_ values
205 // palette if the texture is TEXTYPE_PALETTE
206 const unsigned int *palette;
207 // actual stored texture size after gl_picmip and gl_max_size are applied
208 int tilewidth, tileheight, tiledepth;
209 // 1 or 6 depending on texturetype
211 // how many mipmap levels in this texture
215 // GL_RGB or GL_RGBA or GL_DEPTH_COMPONENT
218 int glinternalformat;
219 // GL_UNSIGNED_BYTE or GL_UNSIGNED_INT or GL_UNSIGNED_SHORT or GL_FLOAT
224 #define TEXTUREPOOL_SENTINEL 0xC0DEDBAD
226 typedef struct gltexturepool_s
228 unsigned int sentinel;
229 struct gltexture_s *gltchain;
230 struct gltexturepool_s *next;
234 static gltexturepool_t *gltexturepoolchain = NULL;
236 static unsigned char *resizebuffer = NULL, *colorconvertbuffer;
237 static int resizebuffersize = 0;
238 static const unsigned char *texturebuffer;
240 static textypeinfo_t *R_GetTexTypeInfo(textype_t textype, int flags)
245 case TEXTYPE_PALETTE: return (flags & TEXF_ALPHA) ? &textype_palette_alpha : &textype_palette;
246 case TEXTYPE_RGBA: return ((flags & TEXF_ALPHA) ? &textype_rgba_alpha : &textype_rgba);
247 case TEXTYPE_BGRA: return ((flags & TEXF_ALPHA) ? &textype_bgra_alpha : &textype_bgra);
249 case TEXTYPE_ETC1: return &textype_etc1;
251 case TEXTYPE_ALPHA: return &textype_alpha;
252 case TEXTYPE_COLORBUFFER: return &textype_colorbuffer;
253 case TEXTYPE_COLORBUFFER16F: return &textype_colorbuffer16f;
254 case TEXTYPE_COLORBUFFER32F: return &textype_colorbuffer32f;
255 case TEXTYPE_DEPTHBUFFER16: return &textype_depth16;
256 case TEXTYPE_DEPTHBUFFER24: return &textype_depth24;
257 case TEXTYPE_DEPTHBUFFER24STENCIL8: return &textype_depth24stencil8;
258 case TEXTYPE_SHADOWMAP16_COMP: return &textype_shadowmap16_comp;
259 case TEXTYPE_SHADOWMAP16_RAW: return &textype_shadowmap16_raw;
260 case TEXTYPE_SHADOWMAP24_COMP: return &textype_shadowmap24_comp;
261 case TEXTYPE_SHADOWMAP24_RAW: return &textype_shadowmap24_raw;
263 case TEXTYPE_DXT1: return &textype_dxt1;
264 case TEXTYPE_DXT1A: return &textype_dxt1a;
265 case TEXTYPE_DXT3: return &textype_dxt3;
266 case TEXTYPE_DXT5: return &textype_dxt5;
267 case TEXTYPE_PALETTE: return (flags & TEXF_ALPHA) ? &textype_palette_alpha : &textype_palette;
268 case TEXTYPE_RGBA: return ((flags & TEXF_COMPRESS) && vid.support.ext_texture_compression_s3tc) ? ((flags & TEXF_ALPHA) ? &textype_rgba_alpha_compress : &textype_rgba_compress) : ((flags & TEXF_ALPHA) ? &textype_rgba_alpha : &textype_rgba);
269 case TEXTYPE_BGRA: return ((flags & TEXF_COMPRESS) && vid.support.ext_texture_compression_s3tc) ? ((flags & TEXF_ALPHA) ? &textype_bgra_alpha_compress : &textype_bgra_compress) : ((flags & TEXF_ALPHA) ? &textype_bgra_alpha : &textype_bgra);
270 case TEXTYPE_ALPHA: return &textype_alpha;
271 case TEXTYPE_COLORBUFFER: return &textype_colorbuffer;
272 case TEXTYPE_COLORBUFFER16F: return &textype_colorbuffer16f;
273 case TEXTYPE_COLORBUFFER32F: return &textype_colorbuffer32f;
274 case TEXTYPE_DEPTHBUFFER16: return &textype_depth16;
275 case TEXTYPE_DEPTHBUFFER24: return &textype_depth24;
276 case TEXTYPE_DEPTHBUFFER24STENCIL8: return &textype_depth24stencil8;
277 case TEXTYPE_SHADOWMAP16_COMP: return &textype_shadowmap16_comp;
278 case TEXTYPE_SHADOWMAP16_RAW: return &textype_shadowmap16_raw;
279 case TEXTYPE_SHADOWMAP24_COMP: return &textype_shadowmap24_comp;
280 case TEXTYPE_SHADOWMAP24_RAW: return &textype_shadowmap24_raw;
281 case TEXTYPE_SRGB_DXT1: return &textype_sRGB_dxt1;
282 case TEXTYPE_SRGB_DXT1A: return &textype_sRGB_dxt1a;
283 case TEXTYPE_SRGB_DXT3: return &textype_sRGB_dxt3;
284 case TEXTYPE_SRGB_DXT5: return &textype_sRGB_dxt5;
285 case TEXTYPE_SRGB_PALETTE: return (flags & TEXF_ALPHA) ? &textype_sRGB_palette_alpha : &textype_sRGB_palette;
286 case TEXTYPE_SRGB_RGBA: return ((flags & TEXF_COMPRESS) && vid.support.ext_texture_compression_s3tc) ? ((flags & TEXF_ALPHA) ? &textype_sRGB_rgba_alpha_compress : &textype_sRGB_rgba_compress) : ((flags & TEXF_ALPHA) ? &textype_sRGB_rgba_alpha : &textype_sRGB_rgba);
287 case TEXTYPE_SRGB_BGRA: return ((flags & TEXF_COMPRESS) && vid.support.ext_texture_compression_s3tc) ? ((flags & TEXF_ALPHA) ? &textype_sRGB_bgra_alpha_compress : &textype_sRGB_bgra_compress) : ((flags & TEXF_ALPHA) ? &textype_sRGB_bgra_alpha : &textype_sRGB_bgra);
290 Host_Error("R_GetTexTypeInfo: unknown texture format %i with flags %x", (int)textype, flags);
296 // dynamic texture code [11/22/2007 Black]
297 void R_MarkDirtyTexture(rtexture_t *rt) {
298 gltexture_t *glt = (gltexture_t*) rt;
303 // dont do anything if the texture is already dirty (and make sure this *is* a dynamic texture after all!)
304 if (glt->flags & GLTEXF_DYNAMIC)
306 // mark it as dirty, so R_RealGetTexture gets called
311 void R_MakeTextureDynamic(rtexture_t *rt, updatecallback_t updatecallback, void *data) {
312 gltexture_t *glt = (gltexture_t*) rt;
317 glt->flags |= GLTEXF_DYNAMIC;
318 glt->updatecallback = updatecallback;
319 glt->updatecallback_data = data;
322 static void R_UpdateDynamicTexture(gltexture_t *glt) {
324 if( glt->updatecallback ) {
325 glt->updatecallback( (rtexture_t*) glt, glt->updatecallback_data );
329 void R_PurgeTexture(rtexture_t *rt)
331 if(rt && !(((gltexture_t*) rt)->flags & TEXF_PERSISTENT)) {
336 void R_FreeTexture(rtexture_t *rt)
338 gltexture_t *glt, **gltpointer;
340 glt = (gltexture_t *)rt;
342 Host_Error("R_FreeTexture: texture == NULL");
344 for (gltpointer = &glt->pool->gltchain;*gltpointer && *gltpointer != glt;gltpointer = &(*gltpointer)->chain);
345 if (*gltpointer == glt)
346 *gltpointer = glt->chain;
348 Host_Error("R_FreeTexture: texture \"%s\" not linked in pool", glt->identifier);
350 R_Mesh_ClearBindingsForTexture(glt->texnum);
352 switch(vid.renderpath)
354 case RENDERPATH_GL32:
355 case RENDERPATH_GLES2:
359 qglDeleteTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
361 if (glt->renderbuffernum)
364 qglDeleteRenderbuffers(1, (GLuint *)&glt->renderbuffernum);CHECKGLERROR
369 if (glt->inputtexels)
370 Mem_Free(glt->inputtexels);
371 Mem_ExpandableArray_FreeRecord(&texturearray, glt);
374 rtexturepool_t *R_AllocTexturePool(void)
376 gltexturepool_t *pool;
377 if (texturemempool == NULL)
379 pool = (gltexturepool_t *)Mem_Alloc(texturemempool, sizeof(gltexturepool_t));
382 pool->next = gltexturepoolchain;
383 gltexturepoolchain = pool;
384 pool->sentinel = TEXTUREPOOL_SENTINEL;
385 return (rtexturepool_t *)pool;
388 void R_FreeTexturePool(rtexturepool_t **rtexturepool)
390 gltexturepool_t *pool, **poolpointer;
391 if (rtexturepool == NULL)
393 if (*rtexturepool == NULL)
395 pool = (gltexturepool_t *)(*rtexturepool);
396 *rtexturepool = NULL;
397 if (pool->sentinel != TEXTUREPOOL_SENTINEL)
398 Host_Error("R_FreeTexturePool: pool already freed");
399 for (poolpointer = &gltexturepoolchain;*poolpointer && *poolpointer != pool;poolpointer = &(*poolpointer)->next);
400 if (*poolpointer == pool)
401 *poolpointer = pool->next;
403 Host_Error("R_FreeTexturePool: pool not linked");
404 while (pool->gltchain)
405 R_FreeTexture((rtexture_t *)pool->gltchain);
410 typedef struct glmode_s
413 int minification, magnification;
417 static glmode_t modes[6] =
419 {"GL_NEAREST", GL_NEAREST, GL_NEAREST},
420 {"GL_LINEAR", GL_LINEAR, GL_LINEAR},
421 {"GL_NEAREST_MIPMAP_NEAREST", GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST},
422 {"GL_LINEAR_MIPMAP_NEAREST", GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR},
423 {"GL_NEAREST_MIPMAP_LINEAR", GL_NEAREST_MIPMAP_LINEAR, GL_NEAREST},
424 {"GL_LINEAR_MIPMAP_LINEAR", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR}
427 static void GL_TextureMode_f (void)
432 gltexturepool_t *pool;
436 Con_Printf("Texture mode is %sforced\n", gl_filter_force ? "" : "not ");
437 for (i = 0;i < 6;i++)
439 if (gl_filter_min == modes[i].minification)
441 Con_Printf("%s\n", modes[i].name);
445 Con_Print("current filter is unknown???\n");
449 for (i = 0;i < (int)(sizeof(modes)/sizeof(*modes));i++)
450 if (!strcasecmp (modes[i].name, Cmd_Argv(1) ) )
454 Con_Print("bad filter name\n");
458 gl_filter_min = modes[i].minification;
459 gl_filter_mag = modes[i].magnification;
460 gl_filter_force = ((Cmd_Argc() > 2) && !strcasecmp(Cmd_Argv(2), "force"));
462 switch(vid.renderpath)
464 case RENDERPATH_GL32:
465 case RENDERPATH_GLES2:
466 // change all the existing mipmap texture objects
467 // FIXME: force renderer(/client/something?) restart instead?
470 for (pool = gltexturepoolchain;pool;pool = pool->next)
472 for (glt = pool->gltchain;glt;glt = glt->chain)
474 // only update already uploaded images
475 if (glt->texnum && (gl_filter_force || !(glt->flags & (TEXF_FORCENEAREST | TEXF_FORCELINEAR))))
477 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
478 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
479 if (glt->flags & TEXF_MIPMAP)
481 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_min);CHECKGLERROR
485 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_mag);CHECKGLERROR
487 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAG_FILTER, gl_filter_mag);CHECKGLERROR
488 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
496 static void GL_Texture_CalcImageSize(int texturetype, int flags, int miplevel, int inwidth, int inheight, int indepth, int *outwidth, int *outheight, int *outdepth, int *outmiplevels)
498 int picmip = 0, maxsize = 0, width2 = 1, height2 = 1, depth2 = 1, miplevels = 1;
503 case GLTEXTURETYPE_2D:
504 maxsize = vid.maxtexturesize_2d;
505 if (flags & TEXF_PICMIP)
507 maxsize = bound(1, gl_max_size.integer, maxsize);
511 case GLTEXTURETYPE_3D:
512 maxsize = vid.maxtexturesize_3d;
514 case GLTEXTURETYPE_CUBEMAP:
515 maxsize = vid.maxtexturesize_cubemap;
519 width2 = min(inwidth >> picmip, maxsize);
520 height2 = min(inheight >> picmip, maxsize);
521 depth2 = min(indepth >> picmip, maxsize);
524 if (flags & TEXF_MIPMAP)
526 int extent = max(width2, max(height2, depth2));
532 *outwidth = max(1, width2);
534 *outheight = max(1, height2);
536 *outdepth = max(1, depth2);
538 *outmiplevels = miplevels;
542 static int R_CalcTexelDataSize (gltexture_t *glt)
544 int width2, height2, depth2, size;
546 GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &width2, &height2, &depth2, NULL);
548 size = width2 * height2 * depth2;
550 if (glt->flags & TEXF_MIPMAP)
552 while (width2 > 1 || height2 > 1 || depth2 > 1)
560 size += width2 * height2 * depth2;
564 return (int)(size * glt->textype->glinternalbytesperpixel) * glt->sides;
567 void R_TextureStats_Print(qboolean printeach, qboolean printpool, qboolean printtotal)
571 int pooltotal = 0, pooltotalt = 0, pooltotalp = 0, poolloaded = 0, poolloadedt = 0, poolloadedp = 0;
572 int sumtotal = 0, sumtotalt = 0, sumtotalp = 0, sumloaded = 0, sumloadedt = 0, sumloadedp = 0;
574 gltexturepool_t *pool;
576 Con_Print("glsize input loaded mip alpha name\n");
577 for (pool = gltexturepoolchain;pool;pool = pool->next)
585 for (glt = pool->gltchain;glt;glt = glt->chain)
587 glsize = R_CalcTexelDataSize(glt);
588 isloaded = glt->texnum != 0 || glt->renderbuffernum != 0;
590 pooltotalt += glsize;
591 pooltotalp += glt->inputdatasize;
595 poolloadedt += glsize;
596 poolloadedp += glt->inputdatasize;
599 Con_Printf("%c%4i%c%c%4i%c %-24s %s %s %s %s\n", isloaded ? '[' : ' ', (glsize + 1023) / 1024, isloaded ? ']' : ' ', glt->inputtexels ? '[' : ' ', (glt->inputdatasize + 1023) / 1024, glt->inputtexels ? ']' : ' ', glt->textype->name, isloaded ? "loaded" : " ", (glt->flags & TEXF_MIPMAP) ? "mip" : " ", (glt->flags & TEXF_ALPHA) ? "alpha" : " ", glt->identifier);
602 Con_Printf("texturepool %10p total: %i (%.3fMB, %.3fMB original), uploaded %i (%.3fMB, %.3fMB original), upload on demand %i (%.3fMB, %.3fMB original)\n", (void *)pool, pooltotal, pooltotalt / 1048576.0, pooltotalp / 1048576.0, poolloaded, poolloadedt / 1048576.0, poolloadedp / 1048576.0, pooltotal - poolloaded, (pooltotalt - poolloadedt) / 1048576.0, (pooltotalp - poolloadedp) / 1048576.0);
603 sumtotal += pooltotal;
604 sumtotalt += pooltotalt;
605 sumtotalp += pooltotalp;
606 sumloaded += poolloaded;
607 sumloadedt += poolloadedt;
608 sumloadedp += poolloadedp;
611 Con_Printf("textures total: %i (%.3fMB, %.3fMB original), uploaded %i (%.3fMB, %.3fMB original), upload on demand %i (%.3fMB, %.3fMB original)\n", sumtotal, sumtotalt / 1048576.0, sumtotalp / 1048576.0, sumloaded, sumloadedt / 1048576.0, sumloadedp / 1048576.0, sumtotal - sumloaded, (sumtotalt - sumloadedt) / 1048576.0, (sumtotalp - sumloadedp) / 1048576.0);
614 static void R_TextureStats_f(void)
616 R_TextureStats_Print(true, true, true);
619 static void r_textures_start(void)
621 switch(vid.renderpath)
623 case RENDERPATH_GL32:
624 case RENDERPATH_GLES2:
625 // LordHavoc: allow any alignment
627 qglPixelStorei(GL_UNPACK_ALIGNMENT, 1);CHECKGLERROR
628 qglPixelStorei(GL_PACK_ALIGNMENT, 1);CHECKGLERROR
632 texturemempool = Mem_AllocPool("texture management", 0, NULL);
633 Mem_ExpandableArray_NewArray(&texturearray, texturemempool, sizeof(gltexture_t), 512);
635 // Disable JPEG screenshots if the DLL isn't loaded
636 if (! JPEG_OpenLibrary ())
637 Cvar_SetValueQuick (&scr_screenshot_jpeg, 0);
638 if (! PNG_OpenLibrary ())
639 Cvar_SetValueQuick (&scr_screenshot_png, 0);
642 static void r_textures_shutdown(void)
644 rtexturepool_t *temp;
646 JPEG_CloseLibrary ();
648 while(gltexturepoolchain)
650 temp = (rtexturepool_t *) gltexturepoolchain;
651 R_FreeTexturePool(&temp);
654 resizebuffersize = 0;
656 colorconvertbuffer = NULL;
657 texturebuffer = NULL;
658 Mem_ExpandableArray_FreeArray(&texturearray);
659 Mem_FreePool(&texturemempool);
662 static void r_textures_newmap(void)
666 static void r_textures_devicelost(void)
670 endindex = (int)Mem_ExpandableArray_IndexRange(&texturearray);
671 for (i = 0;i < endindex;i++)
673 glt = (gltexture_t *) Mem_ExpandableArray_RecordAtIndex(&texturearray, i);
674 if (!glt || !(glt->flags & TEXF_RENDERTARGET))
676 switch(vid.renderpath)
678 case RENDERPATH_GL32:
679 case RENDERPATH_GLES2:
685 static void r_textures_devicerestored(void)
689 endindex = (int)Mem_ExpandableArray_IndexRange(&texturearray);
690 for (i = 0;i < endindex;i++)
692 glt = (gltexture_t *) Mem_ExpandableArray_RecordAtIndex(&texturearray, i);
693 if (!glt || !(glt->flags & TEXF_RENDERTARGET))
695 switch(vid.renderpath)
697 case RENDERPATH_GL32:
698 case RENDERPATH_GLES2:
705 void R_Textures_Init (void)
707 Cmd_AddCommand("gl_texturemode", &GL_TextureMode_f, "set texture filtering mode (GL_NEAREST, GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR, etc); an additional argument 'force' forces the texture mode even in cases where it may not be appropriate");
708 Cmd_AddCommand("r_texturestats", R_TextureStats_f, "print information about all loaded textures and some statistics");
709 Cvar_RegisterVariable (&gl_max_size);
710 Cvar_RegisterVariable (&gl_picmip);
711 Cvar_RegisterVariable (&gl_picmip_world);
712 Cvar_RegisterVariable (&r_picmipworld);
713 Cvar_RegisterVariable (&gl_picmip_sprites);
714 Cvar_RegisterVariable (&r_picmipsprites);
715 Cvar_RegisterVariable (&gl_picmip_other);
716 Cvar_RegisterVariable (&gl_max_lightmapsize);
717 Cvar_RegisterVariable (&r_lerpimages);
718 Cvar_RegisterVariable (&gl_texture_anisotropy);
719 Cvar_RegisterVariable (&gl_texturecompression);
720 Cvar_RegisterVariable (&gl_texturecompression_color);
721 Cvar_RegisterVariable (&gl_texturecompression_normal);
722 Cvar_RegisterVariable (&gl_texturecompression_gloss);
723 Cvar_RegisterVariable (&gl_texturecompression_glow);
724 Cvar_RegisterVariable (&gl_texturecompression_2d);
725 Cvar_RegisterVariable (&gl_texturecompression_q3bsplightmaps);
726 Cvar_RegisterVariable (&gl_texturecompression_q3bspdeluxemaps);
727 Cvar_RegisterVariable (&gl_texturecompression_sky);
728 Cvar_RegisterVariable (&gl_texturecompression_lightcubemaps);
729 Cvar_RegisterVariable (&gl_texturecompression_reflectmask);
730 Cvar_RegisterVariable (&gl_texturecompression_sprites);
731 Cvar_RegisterVariable (&gl_nopartialtextureupdates);
732 Cvar_RegisterVariable (&r_texture_dds_load_alphamode);
733 Cvar_RegisterVariable (&r_texture_dds_load_logfailure);
734 Cvar_RegisterVariable (&r_texture_dds_swdecode);
736 R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap, r_textures_devicelost, r_textures_devicerestored);
739 void R_Textures_Frame (void)
741 #ifdef GL_TEXTURE_MAX_ANISOTROPY_EXT
742 static int old_aniso = 0;
743 static qboolean first_time_aniso = true;
746 // could do procedural texture animation here, if we keep track of which
747 // textures were accessed this frame...
749 // free the resize buffers
750 resizebuffersize = 0;
753 Mem_Free(resizebuffer);
756 if (colorconvertbuffer)
758 Mem_Free(colorconvertbuffer);
759 colorconvertbuffer = NULL;
762 #ifdef GL_TEXTURE_MAX_ANISOTROPY_EXT
763 if (old_aniso != gl_texture_anisotropy.integer)
766 gltexturepool_t *pool;
769 old_aniso = bound(1, gl_texture_anisotropy.integer, (int)vid.max_anisotropy);
771 Cvar_SetValueQuick(&gl_texture_anisotropy, old_aniso);
773 switch(vid.renderpath)
775 case RENDERPATH_GL32:
776 case RENDERPATH_GLES2:
777 // ignore the first difference, any textures loaded by now probably had the same aniso value
778 if (first_time_aniso)
780 first_time_aniso = false;
785 for (pool = gltexturepoolchain;pool;pool = pool->next)
787 for (glt = pool->gltchain;glt;glt = glt->chain)
789 // only update already uploaded images
790 if (glt->texnum && (glt->flags & TEXF_MIPMAP) == TEXF_MIPMAP)
792 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
794 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
795 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_ANISOTROPY_EXT, old_aniso);CHECKGLERROR
797 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
807 static void R_MakeResizeBufferBigger(int size)
809 if (resizebuffersize < size)
811 resizebuffersize = size;
813 Mem_Free(resizebuffer);
814 if (colorconvertbuffer)
815 Mem_Free(colorconvertbuffer);
816 resizebuffer = (unsigned char *)Mem_Alloc(texturemempool, resizebuffersize);
817 colorconvertbuffer = (unsigned char *)Mem_Alloc(texturemempool, resizebuffersize);
818 if (!resizebuffer || !colorconvertbuffer)
819 Host_Error("R_Upload: out of memory");
823 static void GL_SetupTextureParameters(int flags, textype_t textype, int texturetype)
825 int textureenum = gltexturetypeenums[texturetype];
826 int wrapmode = (flags & TEXF_CLAMP) ? GL_CLAMP_TO_EDGE : GL_REPEAT;
830 #ifdef GL_TEXTURE_MAX_ANISOTROPY_EXT
831 if (vid.support.ext_texture_filter_anisotropic && (flags & TEXF_MIPMAP))
833 int aniso = bound(1, gl_texture_anisotropy.integer, (int)vid.max_anisotropy);
834 if (gl_texture_anisotropy.integer != aniso)
835 Cvar_SetValueQuick(&gl_texture_anisotropy, aniso);
836 qglTexParameteri(textureenum, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);CHECKGLERROR
839 qglTexParameteri(textureenum, GL_TEXTURE_WRAP_S, wrapmode);CHECKGLERROR
840 qglTexParameteri(textureenum, GL_TEXTURE_WRAP_T, wrapmode);CHECKGLERROR
841 #ifdef GL_TEXTURE_WRAP_R
842 if (gltexturetypedimensions[texturetype] >= 3)
844 qglTexParameteri(textureenum, GL_TEXTURE_WRAP_R, wrapmode);CHECKGLERROR
849 if (!gl_filter_force && flags & TEXF_FORCENEAREST)
851 if (flags & TEXF_MIPMAP)
853 qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);CHECKGLERROR
857 qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_NEAREST);CHECKGLERROR
859 qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, GL_NEAREST);CHECKGLERROR
861 else if (!gl_filter_force && flags & TEXF_FORCELINEAR)
863 if (flags & TEXF_MIPMAP)
865 if (gl_filter_min == GL_NEAREST_MIPMAP_LINEAR || gl_filter_min == GL_LINEAR_MIPMAP_LINEAR)
867 qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);CHECKGLERROR
871 qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);CHECKGLERROR
876 qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_LINEAR);CHECKGLERROR
878 qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, GL_LINEAR);CHECKGLERROR
882 if (flags & TEXF_MIPMAP)
884 qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, gl_filter_min);CHECKGLERROR
888 qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, gl_filter_mag);CHECKGLERROR
890 qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, gl_filter_mag);CHECKGLERROR
893 #ifdef GL_TEXTURE_COMPARE_MODE_ARB
896 case TEXTYPE_SHADOWMAP16_COMP:
897 case TEXTYPE_SHADOWMAP24_COMP:
898 qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);CHECKGLERROR
899 qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);CHECKGLERROR
901 case TEXTYPE_SHADOWMAP16_RAW:
902 case TEXTYPE_SHADOWMAP24_RAW:
903 qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);CHECKGLERROR
904 qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);CHECKGLERROR
914 static void R_UploadPartialTexture(gltexture_t *glt, const unsigned char *data, int fragx, int fragy, int fragz, int fragwidth, int fragheight, int fragdepth)
917 Sys_Error("R_UploadPartialTexture \"%s\": partial update with NULL pixels", glt->identifier);
919 if (glt->texturetype != GLTEXTURETYPE_2D)
920 Sys_Error("R_UploadPartialTexture \"%s\": partial update of type other than 2D", glt->identifier);
922 if (glt->textype->textype == TEXTYPE_PALETTE)
923 Sys_Error("R_UploadPartialTexture \"%s\": partial update of paletted texture", glt->identifier);
925 if (glt->flags & (TEXF_MIPMAP | TEXF_PICMIP))
926 Sys_Error("R_UploadPartialTexture \"%s\": partial update not supported with MIPMAP or PICMIP flags", glt->identifier);
928 if (glt->inputwidth != glt->tilewidth || glt->inputheight != glt->tileheight || glt->tiledepth != 1)
929 Sys_Error("R_UploadPartialTexture \"%s\": partial update not supported with stretched or special textures", glt->identifier);
931 // update a portion of the image
933 switch(vid.renderpath)
935 case RENDERPATH_GL32:
936 case RENDERPATH_GLES2:
940 // we need to restore the texture binding after finishing the upload
942 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
943 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
944 qglTexSubImage2D(GL_TEXTURE_2D, 0, fragx, fragy, fragwidth, fragheight, glt->glformat, glt->gltype, data);CHECKGLERROR
945 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
951 static void R_UploadFullTexture(gltexture_t *glt, const unsigned char *data)
953 int i, mip = 0, width, height, depth;
954 GLint oldbindtexnum = 0;
955 const unsigned char *prevbuffer;
958 // error out if a stretch is needed on special texture types
959 if (glt->texturetype != GLTEXTURETYPE_2D && (glt->tilewidth != glt->inputwidth || glt->tileheight != glt->inputheight || glt->tiledepth != glt->inputdepth))
960 Sys_Error("R_UploadFullTexture \"%s\": stretch uploads allowed only on 2D textures\n", glt->identifier);
962 // when picmip or maxsize is applied, we scale up to a power of 2 multiple
963 // of the target size and then use the mipmap reduction function to get
964 // high quality supersampled results
965 for (width = glt->tilewidth;width < glt->inputwidth ;width <<= 1);
966 for (height = glt->tileheight;height < glt->inputheight;height <<= 1);
967 for (depth = glt->tiledepth;depth < glt->inputdepth ;depth <<= 1);
969 if (prevbuffer == NULL)
971 width = glt->tilewidth;
972 height = glt->tileheight;
973 depth = glt->tiledepth;
974 // R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
975 // memset(resizebuffer, 0, width * height * depth * glt->sides * glt->bytesperpixel);
976 // prevbuffer = resizebuffer;
980 if (glt->textype->textype == TEXTYPE_PALETTE)
982 // promote paletted to BGRA, so we only have to worry about BGRA in the rest of this code
983 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
984 Image_Copy8bitBGRA(prevbuffer, colorconvertbuffer, glt->inputwidth * glt->inputheight * glt->inputdepth * glt->sides, glt->palette);
985 prevbuffer = colorconvertbuffer;
987 if (glt->flags & TEXF_RGBMULTIPLYBYALPHA)
989 // multiply RGB channels by A channel before uploading
991 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
992 for (i = 0;i < glt->inputwidth*glt->inputheight*glt->inputdepth*4;i += 4)
994 alpha = prevbuffer[i+3];
995 colorconvertbuffer[i] = (prevbuffer[i] * alpha) >> 8;
996 colorconvertbuffer[i+1] = (prevbuffer[i+1] * alpha) >> 8;
997 colorconvertbuffer[i+2] = (prevbuffer[i+2] * alpha) >> 8;
998 colorconvertbuffer[i+3] = alpha;
1000 prevbuffer = colorconvertbuffer;
1002 // scale up to a power of 2 size (if appropriate)
1003 if (glt->inputwidth != width || glt->inputheight != height || glt->inputdepth != depth)
1005 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1006 Image_Resample32(prevbuffer, glt->inputwidth, glt->inputheight, glt->inputdepth, resizebuffer, width, height, depth, r_lerpimages.integer);
1007 prevbuffer = resizebuffer;
1009 // apply mipmap reduction algorithm to get down to picmip/max_size
1010 while (width > glt->tilewidth || height > glt->tileheight || depth > glt->tiledepth)
1012 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1013 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, glt->tilewidth, glt->tileheight, glt->tiledepth);
1014 prevbuffer = resizebuffer;
1018 // do the appropriate upload type...
1019 switch(vid.renderpath)
1021 case RENDERPATH_GL32:
1022 case RENDERPATH_GLES2:
1023 if (glt->texnum) // not renderbuffers
1027 // we need to restore the texture binding after finishing the upload
1028 GL_ActiveTexture(0);
1029 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
1030 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
1033 if (qglGetCompressedTexImageARB)
1035 if (gl_texturecompression.integer >= 2)
1036 qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_NICEST);
1038 qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_FASTEST);
1042 switch(glt->texturetype)
1044 case GLTEXTURETYPE_2D:
1045 qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1046 if (glt->flags & TEXF_MIPMAP)
1048 while (width > 1 || height > 1 || depth > 1)
1050 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1051 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
1052 prevbuffer = resizebuffer;
1053 qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1057 case GLTEXTURETYPE_3D:
1059 qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1060 if (glt->flags & TEXF_MIPMAP)
1062 while (width > 1 || height > 1 || depth > 1)
1064 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1065 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
1066 prevbuffer = resizebuffer;
1067 qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1072 case GLTEXTURETYPE_CUBEMAP:
1073 // convert and upload each side in turn,
1074 // from a continuous block of input texels
1075 texturebuffer = (unsigned char *)prevbuffer;
1076 for (i = 0;i < 6;i++)
1078 prevbuffer = texturebuffer;
1079 texturebuffer += glt->inputwidth * glt->inputheight * glt->inputdepth * glt->textype->inputbytesperpixel;
1080 if (glt->inputwidth != width || glt->inputheight != height || glt->inputdepth != depth)
1082 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1083 Image_Resample32(prevbuffer, glt->inputwidth, glt->inputheight, glt->inputdepth, resizebuffer, width, height, depth, r_lerpimages.integer);
1084 prevbuffer = resizebuffer;
1087 while (width > glt->tilewidth || height > glt->tileheight || depth > glt->tiledepth)
1089 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1090 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, glt->tilewidth, glt->tileheight, glt->tiledepth);
1091 prevbuffer = resizebuffer;
1094 qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1095 if (glt->flags & TEXF_MIPMAP)
1097 while (width > 1 || height > 1 || depth > 1)
1099 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1100 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
1101 prevbuffer = resizebuffer;
1102 qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1108 GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
1109 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1115 static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, int sides, int flags, int miplevel, textype_t textype, int texturetype, const unsigned char *data, const unsigned int *palette)
1119 gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
1120 textypeinfo_t *texinfo, *texinfo2;
1121 unsigned char *temppixels = NULL;
1124 if (cls.state == ca_dedicated)
1127 // see if we need to swap red and blue (BGRA <-> RGBA conversion)
1128 if (textype == TEXTYPE_PALETTE && vid.forcetextype == TEXTYPE_RGBA)
1130 int numpixels = width * height * depth * sides;
1131 size = numpixels * 4;
1132 temppixels = (unsigned char *)Mem_Alloc(tempmempool, size);
1135 const unsigned char *p;
1136 unsigned char *o = temppixels;
1137 for (i = 0;i < numpixels;i++, o += 4)
1139 p = (const unsigned char *)palette + 4*data[i];
1147 textype = TEXTYPE_RGBA;
1152 case TEXTYPE_RGBA: if (vid.forcetextype == TEXTYPE_BGRA) {swaprb = true;textype = TEXTYPE_BGRA;} break;
1153 case TEXTYPE_BGRA: if (vid.forcetextype == TEXTYPE_RGBA) {swaprb = true;textype = TEXTYPE_RGBA;} break;
1154 case TEXTYPE_SRGB_RGBA: if (vid.forcetextype == TEXTYPE_BGRA) {swaprb = true;textype = TEXTYPE_SRGB_BGRA;} break;
1155 case TEXTYPE_SRGB_BGRA: if (vid.forcetextype == TEXTYPE_RGBA) {swaprb = true;textype = TEXTYPE_SRGB_RGBA;} break;
1161 static int rgbaswapindices[4] = {2, 1, 0, 3};
1162 size = width * height * depth * sides * 4;
1163 temppixels = (unsigned char *)Mem_Alloc(tempmempool, size);
1165 Image_CopyMux(temppixels, data, width, height*depth*sides, false, false, false, 4, 4, rgbaswapindices);
1169 // if sRGB texture formats are not supported, convert input to linear and upload as normal types
1170 if (!vid.support.ext_texture_srgb)
1172 qboolean convertsRGB = false;
1175 case TEXTYPE_SRGB_DXT1: textype = TEXTYPE_DXT1 ;convertsRGB = true;break;
1176 case TEXTYPE_SRGB_DXT1A: textype = TEXTYPE_DXT1A ;convertsRGB = true;break;
1177 case TEXTYPE_SRGB_DXT3: textype = TEXTYPE_DXT3 ;convertsRGB = true;break;
1178 case TEXTYPE_SRGB_DXT5: textype = TEXTYPE_DXT5 ;convertsRGB = true;break;
1179 case TEXTYPE_SRGB_PALETTE: textype = TEXTYPE_PALETTE;/*convertsRGB = true;*/break;
1180 case TEXTYPE_SRGB_RGBA: textype = TEXTYPE_RGBA ;convertsRGB = true;break;
1181 case TEXTYPE_SRGB_BGRA: textype = TEXTYPE_BGRA ;convertsRGB = true;break;
1185 if (convertsRGB && data)
1187 size = width * height * depth * sides * 4;
1190 temppixels = (unsigned char *)Mem_Alloc(tempmempool, size);
1191 memcpy(temppixels, data, size);
1194 Image_MakeLinearColorsFromsRGB(temppixels, temppixels, width*height*depth*sides);
1198 texinfo = R_GetTexTypeInfo(textype, flags);
1199 size = width * height * depth * sides * texinfo->inputbytesperpixel;
1202 Con_Printf ("R_LoadTexture: bogus texture size (%dx%dx%dx%dbppx%dsides = %d bytes)\n", width, height, depth, texinfo->inputbytesperpixel * 8, sides, size);
1206 // clear the alpha flag if the texture has no transparent pixels
1209 case TEXTYPE_PALETTE:
1210 case TEXTYPE_SRGB_PALETTE:
1211 if (flags & TEXF_ALPHA)
1213 flags &= ~TEXF_ALPHA;
1216 for (i = 0;i < size;i++)
1218 if (((unsigned char *)&palette[data[i]])[3] < 255)
1220 flags |= TEXF_ALPHA;
1229 case TEXTYPE_SRGB_RGBA:
1230 case TEXTYPE_SRGB_BGRA:
1231 if (flags & TEXF_ALPHA)
1233 flags &= ~TEXF_ALPHA;
1236 for (i = 3;i < size;i += 4)
1240 flags |= TEXF_ALPHA;
1247 case TEXTYPE_SHADOWMAP16_COMP:
1248 case TEXTYPE_SHADOWMAP16_RAW:
1249 case TEXTYPE_SHADOWMAP24_COMP:
1250 case TEXTYPE_SHADOWMAP24_RAW:
1253 case TEXTYPE_SRGB_DXT1:
1256 case TEXTYPE_SRGB_DXT1A:
1258 case TEXTYPE_SRGB_DXT3:
1260 case TEXTYPE_SRGB_DXT5:
1261 flags |= TEXF_ALPHA;
1264 flags |= TEXF_ALPHA;
1266 case TEXTYPE_COLORBUFFER:
1267 case TEXTYPE_COLORBUFFER16F:
1268 case TEXTYPE_COLORBUFFER32F:
1269 flags |= TEXF_ALPHA;
1272 Sys_Error("R_LoadTexture: unknown texture type");
1275 texinfo2 = R_GetTexTypeInfo(textype, flags);
1276 if(size == width * height * depth * sides * texinfo->inputbytesperpixel)
1279 Con_Printf ("R_LoadTexture: input size changed after alpha fallback\n");
1281 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
1283 strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
1285 glt->chain = pool->gltchain;
1286 pool->gltchain = glt;
1287 glt->inputwidth = width;
1288 glt->inputheight = height;
1289 glt->inputdepth = depth;
1291 glt->miplevel = (miplevel < 0) ? R_PicmipForFlags(flags) : miplevel; // note: if miplevel is -1, we know the texture is in original size and we can picmip it normally
1292 glt->textype = texinfo;
1293 glt->texturetype = texturetype;
1294 glt->inputdatasize = size;
1295 glt->palette = palette;
1296 glt->glinternalformat = texinfo->glinternalformat;
1297 glt->glformat = texinfo->glformat;
1298 glt->gltype = texinfo->gltype;
1299 glt->bytesperpixel = texinfo->internalbytesperpixel;
1300 glt->sides = glt->texturetype == GLTEXTURETYPE_CUBEMAP ? 6 : 1;
1303 glt->glisdepthstencil = false;
1304 glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
1305 // init the dynamic texture attributes, too [11/22/2007 Black]
1306 glt->updatecallback = NULL;
1307 glt->updatecallback_data = NULL;
1309 GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth, &glt->miplevels);
1311 // upload the texture
1312 // data may be NULL (blank texture for dynamic rendering)
1313 switch(vid.renderpath)
1315 case RENDERPATH_GL32:
1316 case RENDERPATH_GLES2:
1318 qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
1322 R_UploadFullTexture(glt, data);
1323 if ((glt->flags & TEXF_ALLOWUPDATES) && gl_nopartialtextureupdates.integer)
1324 glt->bufferpixels = (unsigned char *)Mem_Alloc(texturemempool, glt->tilewidth*glt->tileheight*glt->tiledepth*glt->sides*glt->bytesperpixel);
1326 // free any temporary processing buffer we allocated...
1328 Mem_Free(temppixels);
1330 // texture converting and uploading can take a while, so make sure we're sending keepalives
1331 // FIXME: this causes rendering during R_Shadow_DrawLights
1332 // CL_KeepaliveMessage(false);
1334 return (rtexture_t *)glt;
1337 rtexture_t *R_LoadTexture2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const unsigned char *data, textype_t textype, int flags, int miplevel, const unsigned int *palette)
1339 return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, flags, miplevel, textype, GLTEXTURETYPE_2D, data, palette);
1342 rtexture_t *R_LoadTexture3D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, const unsigned char *data, textype_t textype, int flags, int miplevel, const unsigned int *palette)
1344 return R_SetupTexture(rtexturepool, identifier, width, height, depth, 1, flags, miplevel, textype, GLTEXTURETYPE_3D, data, palette);
1347 rtexture_t *R_LoadTextureCubeMap(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, textype_t textype, int flags, int miplevel, const unsigned int *palette)
1349 return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, flags, miplevel, textype, GLTEXTURETYPE_CUBEMAP, data, palette);
1352 rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, textype_t textype, qboolean filter)
1354 return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, TEXF_RENDERTARGET | TEXF_CLAMP | (filter ? TEXF_FORCELINEAR : TEXF_FORCENEAREST), -1, textype, GLTEXTURETYPE_2D, NULL, NULL);
1357 rtexture_t *R_LoadTextureRenderBuffer(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, textype_t textype)
1360 gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
1361 textypeinfo_t *texinfo;
1363 if (cls.state == ca_dedicated)
1366 texinfo = R_GetTexTypeInfo(textype, TEXF_RENDERTARGET | TEXF_CLAMP);
1368 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
1370 strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
1372 glt->chain = pool->gltchain;
1373 pool->gltchain = glt;
1374 glt->inputwidth = width;
1375 glt->inputheight = height;
1376 glt->inputdepth = 1;
1377 glt->flags = TEXF_RENDERTARGET | TEXF_CLAMP | TEXF_FORCENEAREST;
1379 glt->textype = texinfo;
1380 glt->texturetype = textype;
1381 glt->inputdatasize = width*height*texinfo->internalbytesperpixel;
1382 glt->palette = NULL;
1383 glt->glinternalformat = texinfo->glinternalformat;
1384 glt->glformat = texinfo->glformat;
1385 glt->gltype = texinfo->gltype;
1386 glt->bytesperpixel = texinfo->internalbytesperpixel;
1387 glt->sides = glt->texturetype == GLTEXTURETYPE_CUBEMAP ? 6 : 1;
1390 glt->glisdepthstencil = textype == TEXTYPE_DEPTHBUFFER24STENCIL8;
1391 glt->gltexturetypeenum = GL_TEXTURE_2D;
1392 // init the dynamic texture attributes, too [11/22/2007 Black]
1393 glt->updatecallback = NULL;
1394 glt->updatecallback_data = NULL;
1396 GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth, &glt->miplevels);
1398 // upload the texture
1399 // data may be NULL (blank texture for dynamic rendering)
1400 switch(vid.renderpath)
1402 case RENDERPATH_GL32:
1403 case RENDERPATH_GLES2:
1405 qglGenRenderbuffers(1, (GLuint *)&glt->renderbuffernum);CHECKGLERROR
1406 qglBindRenderbuffer(GL_RENDERBUFFER, glt->renderbuffernum);CHECKGLERROR
1407 qglRenderbufferStorage(GL_RENDERBUFFER, glt->glinternalformat, glt->tilewidth, glt->tileheight);CHECKGLERROR
1408 // note we can query the renderbuffer for info with glGetRenderbufferParameteriv for GL_WIDTH, GL_HEIGHt, GL_RED_SIZE, GL_GREEN_SIZE, GL_BLUE_SIZE, GL_GL_ALPHA_SIZE, GL_DEPTH_SIZE, GL_STENCIL_SIZE, GL_INTERNAL_FORMAT
1409 qglBindRenderbuffer(GL_RENDERBUFFER, 0);CHECKGLERROR
1413 return (rtexture_t *)glt;
1416 int R_SaveTextureDDSFile(rtexture_t *rt, const char *filename, qboolean skipuncompressed, qboolean hasalpha)
1419 return -1; // unsupported on this platform
1421 gltexture_t *glt = (gltexture_t *)rt;
1424 int bytesperpixel = 0;
1425 int bytesperblock = 0;
1427 int dds_format_flags;
1435 GLint internalformat;
1436 const char *ddsfourcc;
1438 return -1; // NULL pointer
1439 if (!strcmp(gl_version, "2.0.5885 WinXP Release"))
1440 return -2; // broken driver - crashes on reading internal format
1441 if (!qglGetTexLevelParameteriv)
1443 GL_ActiveTexture(0);
1444 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
1445 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
1446 qglGetTexLevelParameteriv(gltexturetypeenums[glt->texturetype], 0, GL_TEXTURE_INTERNAL_FORMAT, &internalformat);
1447 switch(internalformat)
1449 default: ddsfourcc = NULL;bytesperpixel = 4;break;
1450 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
1451 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: ddsfourcc = "DXT1";bytesperblock = 8;break;
1452 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: ddsfourcc = "DXT3";bytesperblock = 16;break;
1453 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: ddsfourcc = "DXT5";bytesperblock = 16;break;
1455 // if premultiplied alpha, say so in the DDS file
1456 if(glt->flags & TEXF_RGBMULTIPLYBYALPHA)
1458 switch(internalformat)
1460 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: ddsfourcc = "DXT2";break;
1461 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: ddsfourcc = "DXT4";break;
1464 if (!bytesperblock && skipuncompressed)
1465 return -3; // skipped
1466 memset(mipinfo, 0, sizeof(mipinfo));
1467 mipinfo[0][0] = glt->tilewidth;
1468 mipinfo[0][1] = glt->tileheight;
1470 if ((glt->flags & TEXF_MIPMAP) && !(glt->tilewidth == 1 && glt->tileheight == 1))
1472 for (mip = 1;mip < 16;mip++)
1474 mipinfo[mip][0] = mipinfo[mip-1][0] > 1 ? mipinfo[mip-1][0] >> 1 : 1;
1475 mipinfo[mip][1] = mipinfo[mip-1][1] > 1 ? mipinfo[mip-1][1] >> 1 : 1;
1476 if (mipinfo[mip][0] == 1 && mipinfo[mip][1] == 1)
1484 for (mip = 0;mip < mipmaps;mip++)
1486 mipinfo[mip][2] = bytesperblock ? ((mipinfo[mip][0]+3)/4)*((mipinfo[mip][1]+3)/4)*bytesperblock : mipinfo[mip][0]*mipinfo[mip][1]*bytesperpixel;
1487 mipinfo[mip][3] = ddssize;
1488 ddssize += mipinfo[mip][2];
1490 dds = (unsigned char *)Mem_Alloc(tempmempool, ddssize);
1493 dds_caps1 = 0x1000; // DDSCAPS_TEXTURE
1497 dds_flags = 0x81007; // DDSD_CAPS | DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_LINEARSIZE
1498 dds_format_flags = 0x4; // DDPF_FOURCC
1502 dds_flags = 0x100F; // DDSD_CAPS | DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PITCH
1503 dds_format_flags = 0x40; // DDPF_RGB
1507 dds_flags |= 0x20000; // DDSD_MIPMAPCOUNT
1508 dds_caps1 |= 0x400008; // DDSCAPS_MIPMAP | DDSCAPS_COMPLEX
1511 dds_format_flags |= 0x1; // DDPF_ALPHAPIXELS
1512 memcpy(dds, "DDS ", 4);
1513 StoreLittleLong(dds+4, 124); // http://msdn.microsoft.com/en-us/library/bb943982%28v=vs.85%29.aspx says so
1514 StoreLittleLong(dds+8, dds_flags);
1515 StoreLittleLong(dds+12, mipinfo[0][1]); // height
1516 StoreLittleLong(dds+16, mipinfo[0][0]); // width
1517 StoreLittleLong(dds+24, 0); // depth
1518 StoreLittleLong(dds+28, mipmaps); // mipmaps
1519 StoreLittleLong(dds+76, 32); // format size
1520 StoreLittleLong(dds+80, dds_format_flags);
1521 StoreLittleLong(dds+108, dds_caps1);
1522 StoreLittleLong(dds+112, dds_caps2);
1525 StoreLittleLong(dds+20, mipinfo[0][2]); // linear size
1526 memcpy(dds+84, ddsfourcc, 4);
1527 for (mip = 0;mip < mipmaps;mip++)
1529 qglGetCompressedTexImageARB(gltexturetypeenums[glt->texturetype], mip, dds + mipinfo[mip][3]);CHECKGLERROR
1534 StoreLittleLong(dds+20, mipinfo[0][0]*bytesperpixel); // pitch
1535 StoreLittleLong(dds+88, bytesperpixel*8); // bits per pixel
1536 dds[94] = dds[97] = dds[100] = dds[107] = 255; // bgra byte order masks
1537 for (mip = 0;mip < mipmaps;mip++)
1539 qglGetTexImage(gltexturetypeenums[glt->texturetype], mip, GL_BGRA, GL_UNSIGNED_BYTE, dds + mipinfo[mip][3]);CHECKGLERROR
1542 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1543 ret = FS_WriteFile(filename, dds, ddssize);
1545 return ret ? ddssize : -5;
1550 // ELUAN: FIXME: separate this code
1551 #include "ktx10/include/ktx.h"
1554 rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filename, qboolean srgb, int flags, qboolean *hasalphaflag, float *avgcolor, int miplevel, qboolean optionaltexture) // DDS textures are opaque, so miplevel isn't a pointer but just seen as a hint
1556 int i, size, dds_format_flags, dds_miplevels, dds_width, dds_height;
1559 int bytesperblock, bytesperpixel;
1562 gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
1563 textypeinfo_t *texinfo;
1564 int mip, mipwidth, mipheight, mipsize, mipsize_total;
1565 unsigned int c, r, g, b;
1566 GLint oldbindtexnum = 0;
1567 unsigned char *mippixels;
1568 unsigned char *mippixels_start;
1569 unsigned char *ddspixels;
1571 fs_offset_t ddsfilesize;
1572 unsigned int ddssize;
1573 qboolean force_swdecode;
1575 // ELUAN: FIXME: separate this code
1579 KTX_dimensions sizes;
1582 if (cls.state == ca_dedicated)
1586 // ELUAN: FIXME: separate this code
1587 if (vid.renderpath != RENDERPATH_GLES2)
1589 Con_DPrintf("KTX texture format is only supported on the GLES2 renderpath\n");
1593 // some textures are specified with extensions, so it becomes .tga.dds
1594 FS_StripExtension (filename, vabuf2, sizeof(vabuf2));
1595 FS_StripExtension (vabuf2, vabuf, sizeof(vabuf));
1596 FS_DefaultExtension (vabuf, ".ktx", sizeof(vabuf));
1597 strsize = strlen(vabuf);
1599 for (i = 0; i <= strsize - 4; i++) // copy null termination
1600 vabuf[i] = vabuf[i + 4];
1602 Con_DPrintf("Loading %s...\n", vabuf);
1603 dds = FS_LoadFile(vabuf, tempmempool, true, &ddsfilesize);
1604 ddssize = ddsfilesize;
1608 Con_DPrintf("Not found!\n");
1609 return NULL; // not found
1611 Con_DPrintf("Found!\n");
1613 if (flags & TEXF_ALPHA)
1615 Con_DPrintf("KTX texture with alpha not supported yet, disabling\n");
1616 flags &= ~TEXF_ALPHA;
1622 GLboolean isMipmapped;
1623 KTX_error_code ktxerror;
1625 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
1627 // texture uploading can take a while, so make sure we're sending keepalives
1628 CL_KeepaliveMessage(false);
1630 // create the texture object
1632 GL_ActiveTexture(0);
1633 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[GLTEXTURETYPE_2D]);
1634 qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
1635 qglBindTexture(gltexturetypeenums[GLTEXTURETYPE_2D], glt->texnum);CHECKGLERROR
1637 // upload the texture
1638 // we need to restore the texture binding after finishing the upload
1640 // NOTE: some drivers fail with ETC1 NPOT (only PowerVR?). This may make the driver crash later.
1641 ktxerror = ktxLoadTextureM(dds, ddssize, &glt->texnum, &target, &sizes, &isMipmapped, &glerror,
1642 0, NULL);// can't CHECKGLERROR, the lib catches it
1644 // FIXME: delete texture if we fail here
1645 if (target != GL_TEXTURE_2D)
1647 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1649 Con_DPrintf("%s target != GL_TEXTURE_2D, target == %x\n", vabuf, target);
1650 return NULL; // FIXME: delete the texture from memory
1653 if (KTX_SUCCESS == ktxerror)
1655 textype = TEXTYPE_ETC1;
1656 flags &= ~TEXF_COMPRESS; // don't let the textype be wrong
1658 // return whether this texture is transparent
1660 *hasalphaflag = (flags & TEXF_ALPHA) != 0;
1662 // TODO: apply gl_picmip
1665 // TODO: only load mipmaps if requested
1668 flags |= TEXF_MIPMAP;
1670 flags &= ~TEXF_MIPMAP;
1672 texinfo = R_GetTexTypeInfo(textype, flags);
1674 strlcpy (glt->identifier, vabuf, sizeof(glt->identifier));
1676 glt->chain = pool->gltchain;
1677 pool->gltchain = glt;
1678 glt->inputwidth = sizes.width;
1679 glt->inputheight = sizes.height;
1680 glt->inputdepth = 1;
1682 glt->textype = texinfo;
1683 glt->texturetype = GLTEXTURETYPE_2D;
1684 glt->inputdatasize = ddssize;
1685 glt->glinternalformat = texinfo->glinternalformat;
1686 glt->glformat = texinfo->glformat;
1687 glt->gltype = texinfo->gltype;
1688 glt->bytesperpixel = texinfo->internalbytesperpixel;
1690 glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
1691 glt->tilewidth = sizes.width;
1692 glt->tileheight = sizes.height;
1694 glt->miplevels = isMipmapped ? 1 : 0; // FIXME
1696 // after upload we have to set some parameters...
1697 #ifdef GL_TEXTURE_MAX_LEVEL
1699 if (dds_miplevels >= 1 && !mipcomplete)
1701 // need to set GL_TEXTURE_MAX_LEVEL
1702 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_LEVEL, dds_miplevels - 1);CHECKGLERROR
1706 GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
1708 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1710 return (rtexture_t *)glt;
1714 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1716 Con_DPrintf("KTX texture %s failed to load: %x\n", vabuf, ktxerror);
1720 #endif // __ANDROID__
1722 dds = FS_LoadFile(filename, tempmempool, true, &ddsfilesize);
1723 ddssize = ddsfilesize;
1727 if (r_texture_dds_load_logfailure.integer && (r_texture_dds_load_logfailure.integer >= 2 || !optionaltexture))
1728 Log_Printf("ddstexturefailures.log", "%s\n", filename);
1729 return NULL; // not found
1732 if (ddsfilesize <= 128 || memcmp(dds, "DDS ", 4) || ddssize < (unsigned int)BuffLittleLong(dds+4) || BuffLittleLong(dds+76) != 32)
1735 Con_Printf("^1%s: not a DDS image\n", filename);
1739 //dds_flags = BuffLittleLong(dds+8);
1740 dds_format_flags = BuffLittleLong(dds+80);
1741 dds_miplevels = (BuffLittleLong(dds+108) & 0x400000) ? BuffLittleLong(dds+28) : 1;
1742 dds_width = BuffLittleLong(dds+16);
1743 dds_height = BuffLittleLong(dds+12);
1744 ddspixels = dds + 128;
1746 if(r_texture_dds_load_alphamode.integer == 0)
1747 if(!(dds_format_flags & 0x1)) // DDPF_ALPHAPIXELS
1748 flags &= ~TEXF_ALPHA;
1750 //flags &= ~TEXF_ALPHA; // disabled, as we DISABLE TEXF_ALPHA in the alpha detection, not enable it!
1751 if ((dds_format_flags & 0x40) && BuffLittleLong(dds+88) == 32)
1753 // very sloppy BGRA 32bit identification
1754 textype = TEXTYPE_BGRA;
1755 flags &= ~TEXF_COMPRESS; // don't let the textype be wrong
1758 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(dds_width, dds_height), bytesperpixel);
1759 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1762 Con_Printf("^1%s: invalid BGRA DDS image\n", filename);
1765 if((r_texture_dds_load_alphamode.integer == 1) && (flags & TEXF_ALPHA))
1768 for (i = 3;i < size;i += 4)
1769 if (ddspixels[i] < 255)
1772 flags &= ~TEXF_ALPHA;
1775 else if (!memcmp(dds+84, "DXT1", 4))
1777 // we need to find out if this is DXT1 (opaque) or DXT1A (transparent)
1778 // LordHavoc: it is my belief that this does not infringe on the
1779 // patent because it is not decoding pixels...
1780 textype = TEXTYPE_DXT1;
1783 //size = ((dds_width+3)/4)*((dds_height+3)/4)*bytesperblock;
1784 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_width, 3), 4), INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_height, 3), 4)), bytesperblock);
1785 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1788 Con_Printf("^1%s: invalid DXT1 DDS image\n", filename);
1791 if (flags & TEXF_ALPHA)
1793 if (r_texture_dds_load_alphamode.integer == 1)
1796 for (i = 0;i < size;i += bytesperblock)
1797 if (ddspixels[i+0] + ddspixels[i+1] * 256 <= ddspixels[i+2] + ddspixels[i+3] * 256)
1799 // NOTE: this assumes sizeof(unsigned int) == 4
1800 unsigned int data = * (unsigned int *) &(ddspixels[i+4]);
1801 // check if data, in base 4, contains a digit 3 (DXT1: transparent pixel)
1802 if(data & (data<<1) & 0xAAAAAAAA)//rgh
1806 textype = TEXTYPE_DXT1A;
1808 flags &= ~TEXF_ALPHA;
1810 else if (r_texture_dds_load_alphamode.integer == 0)
1811 textype = TEXTYPE_DXT1A;
1814 flags &= ~TEXF_ALPHA;
1818 else if (!memcmp(dds+84, "DXT3", 4) || !memcmp(dds+84, "DXT2", 4))
1820 if(!memcmp(dds+84, "DXT2", 4))
1822 if(!(flags & TEXF_RGBMULTIPLYBYALPHA))
1824 Con_Printf("^1%s: expecting DXT3 image without premultiplied alpha, got DXT2 image with premultiplied alpha\n", filename);
1829 if(flags & TEXF_RGBMULTIPLYBYALPHA)
1831 Con_Printf("^1%s: expecting DXT2 image without premultiplied alpha, got DXT3 image without premultiplied alpha\n", filename);
1834 textype = TEXTYPE_DXT3;
1837 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_width, 3), 4), INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_height, 3), 4)), bytesperblock);
1838 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1841 Con_Printf("^1%s: invalid DXT3 DDS image\n", filename);
1844 // we currently always assume alpha
1846 else if (!memcmp(dds+84, "DXT5", 4) || !memcmp(dds+84, "DXT4", 4))
1848 if(!memcmp(dds+84, "DXT4", 4))
1850 if(!(flags & TEXF_RGBMULTIPLYBYALPHA))
1852 Con_Printf("^1%s: expecting DXT5 image without premultiplied alpha, got DXT4 image with premultiplied alpha\n", filename);
1857 if(flags & TEXF_RGBMULTIPLYBYALPHA)
1859 Con_Printf("^1%s: expecting DXT4 image without premultiplied alpha, got DXT5 image without premultiplied alpha\n", filename);
1862 textype = TEXTYPE_DXT5;
1865 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_width, 3), 4), INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_height, 3), 4)), bytesperblock);
1866 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1869 Con_Printf("^1%s: invalid DXT5 DDS image\n", filename);
1872 // we currently always assume alpha
1877 Con_Printf("^1%s: unrecognized/unsupported DDS format\n", filename);
1881 // when requesting a non-alpha texture and we have DXT3/5, convert to DXT1
1882 if(!(flags & TEXF_ALPHA) && (textype == TEXTYPE_DXT3 || textype == TEXTYPE_DXT5))
1884 textype = TEXTYPE_DXT1;
1888 for (i = 0;i < (int)ddssize;i += bytesperblock)
1889 memcpy(&ddspixels[i], &ddspixels[(i<<1)+8], 8);
1893 force_swdecode = false;
1896 if(vid.support.ext_texture_compression_s3tc)
1898 if(r_texture_dds_swdecode.integer > 1)
1899 force_swdecode = true;
1903 if(r_texture_dds_swdecode.integer < 1)
1909 force_swdecode = true;
1913 // return whether this texture is transparent
1915 *hasalphaflag = (flags & TEXF_ALPHA) != 0;
1917 // if we SW decode, choose 2 sizes bigger
1920 // this is quarter res, so do not scale down more than we have to
1924 Con_DPrintf("WARNING: fake software decoding of compressed texture %s degraded quality\n", filename);
1927 // this is where we apply gl_picmip
1928 mippixels_start = ddspixels;
1929 mipwidth = dds_width;
1930 mipheight = dds_height;
1931 while(miplevel >= 1 && dds_miplevels >= 1)
1933 if (mipwidth <= 1 && mipheight <= 1)
1935 mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
1936 mippixels_start += mipsize; // just skip
1944 mipsize_total = ddssize - 128 - (mippixels_start - ddspixels);
1945 mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
1947 // from here on, we do not need the ddspixels and ddssize any more (apart from the statistics entry in glt)
1949 // fake decode S3TC if needed
1952 int mipsize_new = mipsize_total / bytesperblock * 4;
1953 unsigned char *mipnewpixels = (unsigned char *) Mem_Alloc(tempmempool, mipsize_new);
1954 unsigned char *p = mipnewpixels;
1955 for (i = bytesperblock == 16 ? 8 : 0;i < (int)mipsize_total;i += bytesperblock, p += 4)
1957 c = mippixels_start[i] + 256*mippixels_start[i+1] + 65536*mippixels_start[i+2] + 16777216*mippixels_start[i+3];
1958 p[2] = (((c >> 11) & 0x1F) + ((c >> 27) & 0x1F)) * (0.5f / 31.0f * 255.0f);
1959 p[1] = (((c >> 5) & 0x3F) + ((c >> 21) & 0x3F)) * (0.5f / 63.0f * 255.0f);
1960 p[0] = (((c ) & 0x1F) + ((c >> 16) & 0x1F)) * (0.5f / 31.0f * 255.0f);
1961 if(textype == TEXTYPE_DXT5)
1962 p[3] = (0.5 * mippixels_start[i-8] + 0.5 * mippixels_start[i-7]);
1963 else if(textype == TEXTYPE_DXT3)
1965 (mippixels_start[i-8] & 0x0F)
1966 + (mippixels_start[i-8] >> 4)
1967 + (mippixels_start[i-7] & 0x0F)
1968 + (mippixels_start[i-7] >> 4)
1969 + (mippixels_start[i-6] & 0x0F)
1970 + (mippixels_start[i-6] >> 4)
1971 + (mippixels_start[i-5] & 0x0F)
1972 + (mippixels_start[i-5] >> 4)
1973 ) * (0.125f / 15.0f * 255.0f);
1978 textype = TEXTYPE_BGRA;
1982 // as each block becomes a pixel, we must use pixel count for this
1983 mipwidth = (mipwidth + 3) / 4;
1984 mipheight = (mipheight + 3) / 4;
1985 mipsize = bytesperpixel * mipwidth * mipheight;
1986 mippixels_start = mipnewpixels;
1987 mipsize_total = mipsize_new;
1990 // start mip counting
1991 mippixels = mippixels_start;
1993 // calculate average color if requested
1997 Vector4Clear(avgcolor);
2000 for (i = bytesperblock == 16 ? 8 : 0;i < mipsize;i += bytesperblock)
2002 c = mippixels[i] + 256*mippixels[i+1] + 65536*mippixels[i+2] + 16777216*mippixels[i+3];
2003 avgcolor[0] += ((c >> 11) & 0x1F) + ((c >> 27) & 0x1F);
2004 avgcolor[1] += ((c >> 5) & 0x3F) + ((c >> 21) & 0x3F);
2005 avgcolor[2] += ((c ) & 0x1F) + ((c >> 16) & 0x1F);
2006 if(textype == TEXTYPE_DXT5)
2007 avgcolor[3] += (mippixels[i-8] + (int) mippixels[i-7]) * (0.5f / 255.0f);
2008 else if(textype == TEXTYPE_DXT3)
2010 (mippixels_start[i-8] & 0x0F)
2011 + (mippixels_start[i-8] >> 4)
2012 + (mippixels_start[i-7] & 0x0F)
2013 + (mippixels_start[i-7] >> 4)
2014 + (mippixels_start[i-6] & 0x0F)
2015 + (mippixels_start[i-6] >> 4)
2016 + (mippixels_start[i-5] & 0x0F)
2017 + (mippixels_start[i-5] >> 4)
2018 ) * (0.125f / 15.0f);
2020 avgcolor[3] += 1.0f;
2022 f = (float)bytesperblock / mipsize;
2023 avgcolor[0] *= (0.5f / 31.0f) * f;
2024 avgcolor[1] *= (0.5f / 63.0f) * f;
2025 avgcolor[2] *= (0.5f / 31.0f) * f;
2030 for (i = 0;i < mipsize;i += 4)
2032 avgcolor[0] += mippixels[i+2];
2033 avgcolor[1] += mippixels[i+1];
2034 avgcolor[2] += mippixels[i];
2035 avgcolor[3] += mippixels[i+3];
2037 f = (1.0f / 255.0f) * bytesperpixel / mipsize;
2045 // if we want sRGB, convert now
2048 if (vid.support.ext_texture_srgb)
2052 case TEXTYPE_DXT1: textype = TEXTYPE_SRGB_DXT1 ;break;
2053 case TEXTYPE_DXT1A: textype = TEXTYPE_SRGB_DXT1A ;break;
2054 case TEXTYPE_DXT3: textype = TEXTYPE_SRGB_DXT3 ;break;
2055 case TEXTYPE_DXT5: textype = TEXTYPE_SRGB_DXT5 ;break;
2056 case TEXTYPE_RGBA: textype = TEXTYPE_SRGB_RGBA ;break;
2070 for (i = bytesperblock == 16 ? 8 : 0;i < mipsize_total;i += bytesperblock)
2072 int c0, c1, c0new, c1new;
2073 c0 = mippixels_start[i] + 256*mippixels_start[i+1];
2074 r = ((c0 >> 11) & 0x1F);
2075 g = ((c0 >> 5) & 0x3F);
2077 r = floor(Image_LinearFloatFromsRGB(r * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2078 g = floor(Image_LinearFloatFromsRGB(g * (255.0f / 63.0f)) * 63.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2079 b = floor(Image_LinearFloatFromsRGB(b * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2080 c0new = (r << 11) | (g << 5) | b;
2081 c1 = mippixels_start[i+2] + 256*mippixels_start[i+3];
2082 r = ((c1 >> 11) & 0x1F);
2083 g = ((c1 >> 5) & 0x3F);
2085 r = floor(Image_LinearFloatFromsRGB(r * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2086 g = floor(Image_LinearFloatFromsRGB(g * (255.0f / 63.0f)) * 63.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2087 b = floor(Image_LinearFloatFromsRGB(b * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2088 c1new = (r << 11) | (g << 5) | b;
2089 // swap the colors if needed to fix order
2090 if(c0 > c1) // thirds
2098 mippixels_start[i+4] ^= 0x55;
2099 mippixels_start[i+5] ^= 0x55;
2100 mippixels_start[i+6] ^= 0x55;
2101 mippixels_start[i+7] ^= 0x55;
2103 else if(c0new == c1new)
2105 mippixels_start[i+4] = 0x00;
2106 mippixels_start[i+5] = 0x00;
2107 mippixels_start[i+6] = 0x00;
2108 mippixels_start[i+7] = 0x00;
2111 else // half + transparent
2118 mippixels_start[i+4] ^= (~mippixels_start[i+4] >> 1) & 0x55;
2119 mippixels_start[i+5] ^= (~mippixels_start[i+5] >> 1) & 0x55;
2120 mippixels_start[i+6] ^= (~mippixels_start[i+6] >> 1) & 0x55;
2121 mippixels_start[i+7] ^= (~mippixels_start[i+7] >> 1) & 0x55;
2124 mippixels_start[i] = c0new & 255;
2125 mippixels_start[i+1] = c0new >> 8;
2126 mippixels_start[i+2] = c1new & 255;
2127 mippixels_start[i+3] = c1new >> 8;
2132 Image_MakeLinearColorsFromsRGB(mippixels, mippixels, mipsize_total / bytesperblock);
2140 // when not requesting mipmaps, do not load them
2141 if(!(flags & TEXF_MIPMAP))
2144 if (dds_miplevels >= 1)
2145 flags |= TEXF_MIPMAP;
2147 flags &= ~TEXF_MIPMAP;
2149 texinfo = R_GetTexTypeInfo(textype, flags);
2151 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
2152 strlcpy (glt->identifier, filename, sizeof(glt->identifier));
2154 glt->chain = pool->gltchain;
2155 pool->gltchain = glt;
2156 glt->inputwidth = mipwidth;
2157 glt->inputheight = mipheight;
2158 glt->inputdepth = 1;
2160 glt->textype = texinfo;
2161 glt->texturetype = GLTEXTURETYPE_2D;
2162 glt->inputdatasize = ddssize;
2163 glt->glinternalformat = texinfo->glinternalformat;
2164 glt->glformat = texinfo->glformat;
2165 glt->gltype = texinfo->gltype;
2166 glt->bytesperpixel = texinfo->internalbytesperpixel;
2168 glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
2169 glt->tilewidth = mipwidth;
2170 glt->tileheight = mipheight;
2172 glt->miplevels = dds_miplevels;
2174 // texture uploading can take a while, so make sure we're sending keepalives
2175 CL_KeepaliveMessage(false);
2177 // create the texture object
2178 switch(vid.renderpath)
2180 case RENDERPATH_GL32:
2181 case RENDERPATH_GLES2:
2183 GL_ActiveTexture(0);
2184 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
2185 qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
2186 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
2190 // upload the texture
2191 // we need to restore the texture binding after finishing the upload
2192 mipcomplete = false;
2194 for (mip = 0;mip <= dds_miplevels;mip++) // <= to include the not-counted "largest" miplevel
2196 unsigned char *upload_mippixels = mippixels;
2197 int upload_mipwidth = mipwidth;
2198 int upload_mipheight = mipheight;
2199 mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
2200 if (mippixels + mipsize > mippixels_start + mipsize_total)
2202 switch(vid.renderpath)
2204 case RENDERPATH_GL32:
2205 case RENDERPATH_GLES2:
2208 qglCompressedTexImage2DARB(GL_TEXTURE_2D, mip, glt->glinternalformat, upload_mipwidth, upload_mipheight, 0, mipsize, upload_mippixels);CHECKGLERROR
2212 qglTexImage2D(GL_TEXTURE_2D, mip, glt->glinternalformat, upload_mipwidth, upload_mipheight, 0, glt->glformat, glt->gltype, upload_mippixels);CHECKGLERROR
2216 if(upload_mippixels != mippixels)
2217 Mem_Free(upload_mippixels);
2218 mippixels += mipsize;
2219 if (mipwidth <= 1 && mipheight <= 1)
2230 // after upload we have to set some parameters...
2231 switch(vid.renderpath)
2233 case RENDERPATH_GL32:
2234 case RENDERPATH_GLES2:
2235 #ifdef GL_TEXTURE_MAX_LEVEL
2236 if (dds_miplevels >= 1 && !mipcomplete)
2238 // need to set GL_TEXTURE_MAX_LEVEL
2239 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_LEVEL, dds_miplevels - 1);CHECKGLERROR
2242 GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
2243 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
2249 Mem_Free((unsigned char *) mippixels_start);
2250 return (rtexture_t *)glt;
2253 int R_TextureWidth(rtexture_t *rt)
2255 return rt ? ((gltexture_t *)rt)->inputwidth : 0;
2258 int R_TextureHeight(rtexture_t *rt)
2260 return rt ? ((gltexture_t *)rt)->inputheight : 0;
2263 int R_TextureFlags(rtexture_t *rt)
2265 return rt ? ((gltexture_t *)rt)->flags : 0;
2268 void R_UpdateTexture(rtexture_t *rt, const unsigned char *data, int x, int y, int z, int width, int height, int depth)
2270 gltexture_t *glt = (gltexture_t *)rt;
2272 Host_Error("R_UpdateTexture: no data supplied");
2274 Host_Error("R_UpdateTexture: no texture supplied");
2277 Con_DPrintf("R_UpdateTexture: texture %p \"%s\" in pool %p has not been uploaded yet\n", (void *)glt, glt->identifier, (void *)glt->pool);
2280 // update part of the texture
2281 if (glt->bufferpixels)
2284 int bpp = glt->bytesperpixel;
2285 int inputskip = width*bpp;
2286 int outputskip = glt->tilewidth*bpp;
2287 const unsigned char *input = data;
2288 unsigned char *output = glt->bufferpixels;
2289 if (glt->inputdepth != 1 || glt->sides != 1)
2290 Sys_Error("R_UpdateTexture on buffered texture that is not 2D\n");
2300 input -= y*inputskip;
2303 if (width > glt->tilewidth - x)
2304 width = glt->tilewidth - x;
2305 if (height > glt->tileheight - y)
2306 height = glt->tileheight - y;
2307 if (width < 1 || height < 1)
2310 glt->buffermodified = true;
2311 output += y*outputskip + x*bpp;
2312 for (j = 0;j < height;j++, output += outputskip, input += inputskip)
2313 memcpy(output, input, width*bpp);
2315 else if (x || y || z || width != glt->inputwidth || height != glt->inputheight || depth != glt->inputdepth)
2316 R_UploadPartialTexture(glt, data, x, y, z, width, height, depth);
2318 R_UploadFullTexture(glt, data);
2321 int R_RealGetTexture(rtexture_t *rt)
2326 glt = (gltexture_t *)rt;
2327 if (glt->flags & GLTEXF_DYNAMIC)
2328 R_UpdateDynamicTexture(glt);
2329 if (glt->buffermodified && glt->bufferpixels)
2331 glt->buffermodified = false;
2332 R_UploadFullTexture(glt, glt->bufferpixels);
2338 return r_texture_white->texnum;
2341 void R_ClearTexture (rtexture_t *rt)
2343 gltexture_t *glt = (gltexture_t *)rt;
2345 R_UploadFullTexture(glt, NULL);
2348 int R_PicmipForFlags(int flags)
2351 if(flags & TEXF_PICMIP)
2353 miplevel += gl_picmip.integer;
2354 if (flags & TEXF_ISWORLD)
2356 if (r_picmipworld.integer)
2357 miplevel += gl_picmip_world.integer;
2361 else if (flags & TEXF_ISSPRITE)
2363 if (r_picmipsprites.integer)
2364 miplevel += gl_picmip_sprites.integer;
2369 miplevel += gl_picmip_other.integer;
2371 return max(0, miplevel);