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 #ifdef GL_TEXTURE_COMPRESSION_HINT_ARB
1034 if (qglGetCompressedTexImageARB)
1036 if (gl_texturecompression.integer >= 2)
1037 qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_NICEST);
1039 qglHint(GL_TEXTURE_COMPRESSION_HINT_ARB, GL_FASTEST);
1044 switch(glt->texturetype)
1046 case GLTEXTURETYPE_2D:
1047 qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1048 if (glt->flags & TEXF_MIPMAP)
1050 while (width > 1 || height > 1 || depth > 1)
1052 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1053 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
1054 prevbuffer = resizebuffer;
1055 qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1059 case GLTEXTURETYPE_3D:
1061 qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1062 if (glt->flags & TEXF_MIPMAP)
1064 while (width > 1 || height > 1 || depth > 1)
1066 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1067 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
1068 prevbuffer = resizebuffer;
1069 qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1074 case GLTEXTURETYPE_CUBEMAP:
1075 // convert and upload each side in turn,
1076 // from a continuous block of input texels
1077 texturebuffer = (unsigned char *)prevbuffer;
1078 for (i = 0;i < 6;i++)
1080 prevbuffer = texturebuffer;
1081 texturebuffer += glt->inputwidth * glt->inputheight * glt->inputdepth * glt->textype->inputbytesperpixel;
1082 if (glt->inputwidth != width || glt->inputheight != height || glt->inputdepth != depth)
1084 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1085 Image_Resample32(prevbuffer, glt->inputwidth, glt->inputheight, glt->inputdepth, resizebuffer, width, height, depth, r_lerpimages.integer);
1086 prevbuffer = resizebuffer;
1089 while (width > glt->tilewidth || height > glt->tileheight || depth > glt->tiledepth)
1091 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1092 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, glt->tilewidth, glt->tileheight, glt->tiledepth);
1093 prevbuffer = resizebuffer;
1096 qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1097 if (glt->flags & TEXF_MIPMAP)
1099 while (width > 1 || height > 1 || depth > 1)
1101 R_MakeResizeBufferBigger(width * height * depth * glt->sides * glt->bytesperpixel);
1102 Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
1103 prevbuffer = resizebuffer;
1104 qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
1110 GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
1111 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1117 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)
1121 gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
1122 textypeinfo_t *texinfo, *texinfo2;
1123 unsigned char *temppixels = NULL;
1126 if (cls.state == ca_dedicated)
1129 // see if we need to swap red and blue (BGRA <-> RGBA conversion)
1130 if (textype == TEXTYPE_PALETTE && vid.forcetextype == TEXTYPE_RGBA)
1132 int numpixels = width * height * depth * sides;
1133 size = numpixels * 4;
1134 temppixels = (unsigned char *)Mem_Alloc(tempmempool, size);
1137 const unsigned char *p;
1138 unsigned char *o = temppixels;
1139 for (i = 0;i < numpixels;i++, o += 4)
1141 p = (const unsigned char *)palette + 4*data[i];
1149 textype = TEXTYPE_RGBA;
1154 case TEXTYPE_RGBA: if (vid.forcetextype == TEXTYPE_BGRA) {swaprb = true;textype = TEXTYPE_BGRA;} break;
1155 case TEXTYPE_BGRA: if (vid.forcetextype == TEXTYPE_RGBA) {swaprb = true;textype = TEXTYPE_RGBA;} break;
1156 case TEXTYPE_SRGB_RGBA: if (vid.forcetextype == TEXTYPE_BGRA) {swaprb = true;textype = TEXTYPE_SRGB_BGRA;} break;
1157 case TEXTYPE_SRGB_BGRA: if (vid.forcetextype == TEXTYPE_RGBA) {swaprb = true;textype = TEXTYPE_SRGB_RGBA;} break;
1163 static int rgbaswapindices[4] = {2, 1, 0, 3};
1164 size = width * height * depth * sides * 4;
1165 temppixels = (unsigned char *)Mem_Alloc(tempmempool, size);
1167 Image_CopyMux(temppixels, data, width, height*depth*sides, false, false, false, 4, 4, rgbaswapindices);
1171 // if sRGB texture formats are not supported, convert input to linear and upload as normal types
1172 if (!vid.support.ext_texture_srgb)
1174 qboolean convertsRGB = false;
1177 case TEXTYPE_SRGB_DXT1: textype = TEXTYPE_DXT1 ;convertsRGB = true;break;
1178 case TEXTYPE_SRGB_DXT1A: textype = TEXTYPE_DXT1A ;convertsRGB = true;break;
1179 case TEXTYPE_SRGB_DXT3: textype = TEXTYPE_DXT3 ;convertsRGB = true;break;
1180 case TEXTYPE_SRGB_DXT5: textype = TEXTYPE_DXT5 ;convertsRGB = true;break;
1181 case TEXTYPE_SRGB_PALETTE: textype = TEXTYPE_PALETTE;/*convertsRGB = true;*/break;
1182 case TEXTYPE_SRGB_RGBA: textype = TEXTYPE_RGBA ;convertsRGB = true;break;
1183 case TEXTYPE_SRGB_BGRA: textype = TEXTYPE_BGRA ;convertsRGB = true;break;
1187 if (convertsRGB && data)
1189 size = width * height * depth * sides * 4;
1192 temppixels = (unsigned char *)Mem_Alloc(tempmempool, size);
1193 memcpy(temppixels, data, size);
1196 Image_MakeLinearColorsFromsRGB(temppixels, temppixels, width*height*depth*sides);
1200 texinfo = R_GetTexTypeInfo(textype, flags);
1201 size = width * height * depth * sides * texinfo->inputbytesperpixel;
1204 Con_Printf ("R_LoadTexture: bogus texture size (%dx%dx%dx%dbppx%dsides = %d bytes)\n", width, height, depth, texinfo->inputbytesperpixel * 8, sides, size);
1208 // clear the alpha flag if the texture has no transparent pixels
1211 case TEXTYPE_PALETTE:
1212 case TEXTYPE_SRGB_PALETTE:
1213 if (flags & TEXF_ALPHA)
1215 flags &= ~TEXF_ALPHA;
1218 for (i = 0;i < size;i++)
1220 if (((unsigned char *)&palette[data[i]])[3] < 255)
1222 flags |= TEXF_ALPHA;
1231 case TEXTYPE_SRGB_RGBA:
1232 case TEXTYPE_SRGB_BGRA:
1233 if (flags & TEXF_ALPHA)
1235 flags &= ~TEXF_ALPHA;
1238 for (i = 3;i < size;i += 4)
1242 flags |= TEXF_ALPHA;
1249 case TEXTYPE_SHADOWMAP16_COMP:
1250 case TEXTYPE_SHADOWMAP16_RAW:
1251 case TEXTYPE_SHADOWMAP24_COMP:
1252 case TEXTYPE_SHADOWMAP24_RAW:
1255 case TEXTYPE_SRGB_DXT1:
1258 case TEXTYPE_SRGB_DXT1A:
1260 case TEXTYPE_SRGB_DXT3:
1262 case TEXTYPE_SRGB_DXT5:
1263 flags |= TEXF_ALPHA;
1266 flags |= TEXF_ALPHA;
1268 case TEXTYPE_COLORBUFFER:
1269 case TEXTYPE_COLORBUFFER16F:
1270 case TEXTYPE_COLORBUFFER32F:
1271 flags |= TEXF_ALPHA;
1274 Sys_Error("R_LoadTexture: unknown texture type");
1277 texinfo2 = R_GetTexTypeInfo(textype, flags);
1278 if(size == width * height * depth * sides * texinfo->inputbytesperpixel)
1281 Con_Printf ("R_LoadTexture: input size changed after alpha fallback\n");
1283 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
1285 strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
1287 glt->chain = pool->gltchain;
1288 pool->gltchain = glt;
1289 glt->inputwidth = width;
1290 glt->inputheight = height;
1291 glt->inputdepth = depth;
1293 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
1294 glt->textype = texinfo;
1295 glt->texturetype = texturetype;
1296 glt->inputdatasize = size;
1297 glt->palette = palette;
1298 glt->glinternalformat = texinfo->glinternalformat;
1299 glt->glformat = texinfo->glformat;
1300 glt->gltype = texinfo->gltype;
1301 glt->bytesperpixel = texinfo->internalbytesperpixel;
1302 glt->sides = glt->texturetype == GLTEXTURETYPE_CUBEMAP ? 6 : 1;
1305 glt->glisdepthstencil = false;
1306 glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
1307 // init the dynamic texture attributes, too [11/22/2007 Black]
1308 glt->updatecallback = NULL;
1309 glt->updatecallback_data = NULL;
1311 GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth, &glt->miplevels);
1313 // upload the texture
1314 // data may be NULL (blank texture for dynamic rendering)
1315 switch(vid.renderpath)
1317 case RENDERPATH_GL32:
1318 case RENDERPATH_GLES2:
1320 qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
1324 R_UploadFullTexture(glt, data);
1325 if ((glt->flags & TEXF_ALLOWUPDATES) && gl_nopartialtextureupdates.integer)
1326 glt->bufferpixels = (unsigned char *)Mem_Alloc(texturemempool, glt->tilewidth*glt->tileheight*glt->tiledepth*glt->sides*glt->bytesperpixel);
1328 // free any temporary processing buffer we allocated...
1330 Mem_Free(temppixels);
1332 // texture converting and uploading can take a while, so make sure we're sending keepalives
1333 // FIXME: this causes rendering during R_Shadow_DrawLights
1334 // CL_KeepaliveMessage(false);
1336 return (rtexture_t *)glt;
1339 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)
1341 return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, flags, miplevel, textype, GLTEXTURETYPE_2D, data, palette);
1344 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)
1346 return R_SetupTexture(rtexturepool, identifier, width, height, depth, 1, flags, miplevel, textype, GLTEXTURETYPE_3D, data, palette);
1349 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)
1351 return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, flags, miplevel, textype, GLTEXTURETYPE_CUBEMAP, data, palette);
1354 rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, textype_t textype, qboolean filter)
1356 return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, TEXF_RENDERTARGET | TEXF_CLAMP | (filter ? TEXF_FORCELINEAR : TEXF_FORCENEAREST), -1, textype, GLTEXTURETYPE_2D, NULL, NULL);
1359 rtexture_t *R_LoadTextureRenderBuffer(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, textype_t textype)
1362 gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
1363 textypeinfo_t *texinfo;
1365 if (cls.state == ca_dedicated)
1368 texinfo = R_GetTexTypeInfo(textype, TEXF_RENDERTARGET | TEXF_CLAMP);
1370 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
1372 strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
1374 glt->chain = pool->gltchain;
1375 pool->gltchain = glt;
1376 glt->inputwidth = width;
1377 glt->inputheight = height;
1378 glt->inputdepth = 1;
1379 glt->flags = TEXF_RENDERTARGET | TEXF_CLAMP | TEXF_FORCENEAREST;
1381 glt->textype = texinfo;
1382 glt->texturetype = textype;
1383 glt->inputdatasize = width*height*texinfo->internalbytesperpixel;
1384 glt->palette = NULL;
1385 glt->glinternalformat = texinfo->glinternalformat;
1386 glt->glformat = texinfo->glformat;
1387 glt->gltype = texinfo->gltype;
1388 glt->bytesperpixel = texinfo->internalbytesperpixel;
1389 glt->sides = glt->texturetype == GLTEXTURETYPE_CUBEMAP ? 6 : 1;
1392 glt->glisdepthstencil = textype == TEXTYPE_DEPTHBUFFER24STENCIL8;
1393 glt->gltexturetypeenum = GL_TEXTURE_2D;
1394 // init the dynamic texture attributes, too [11/22/2007 Black]
1395 glt->updatecallback = NULL;
1396 glt->updatecallback_data = NULL;
1398 GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth, &glt->miplevels);
1400 // upload the texture
1401 // data may be NULL (blank texture for dynamic rendering)
1402 switch(vid.renderpath)
1404 case RENDERPATH_GL32:
1405 case RENDERPATH_GLES2:
1407 qglGenRenderbuffers(1, (GLuint *)&glt->renderbuffernum);CHECKGLERROR
1408 qglBindRenderbuffer(GL_RENDERBUFFER, glt->renderbuffernum);CHECKGLERROR
1409 qglRenderbufferStorage(GL_RENDERBUFFER, glt->glinternalformat, glt->tilewidth, glt->tileheight);CHECKGLERROR
1410 // 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
1411 qglBindRenderbuffer(GL_RENDERBUFFER, 0);CHECKGLERROR
1415 return (rtexture_t *)glt;
1418 int R_SaveTextureDDSFile(rtexture_t *rt, const char *filename, qboolean skipuncompressed, qboolean hasalpha)
1421 return -1; // unsupported on this platform
1423 gltexture_t *glt = (gltexture_t *)rt;
1426 int bytesperpixel = 0;
1427 int bytesperblock = 0;
1429 int dds_format_flags;
1437 GLint internalformat;
1438 const char *ddsfourcc;
1440 return -1; // NULL pointer
1441 if (!strcmp(gl_version, "2.0.5885 WinXP Release"))
1442 return -2; // broken driver - crashes on reading internal format
1443 if (!qglGetTexLevelParameteriv)
1445 GL_ActiveTexture(0);
1446 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
1447 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
1448 qglGetTexLevelParameteriv(gltexturetypeenums[glt->texturetype], 0, GL_TEXTURE_INTERNAL_FORMAT, &internalformat);
1449 switch(internalformat)
1451 default: ddsfourcc = NULL;bytesperpixel = 4;break;
1452 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
1453 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: ddsfourcc = "DXT1";bytesperblock = 8;break;
1454 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: ddsfourcc = "DXT3";bytesperblock = 16;break;
1455 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: ddsfourcc = "DXT5";bytesperblock = 16;break;
1457 // if premultiplied alpha, say so in the DDS file
1458 if(glt->flags & TEXF_RGBMULTIPLYBYALPHA)
1460 switch(internalformat)
1462 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: ddsfourcc = "DXT2";break;
1463 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: ddsfourcc = "DXT4";break;
1466 if (!bytesperblock && skipuncompressed)
1467 return -3; // skipped
1468 memset(mipinfo, 0, sizeof(mipinfo));
1469 mipinfo[0][0] = glt->tilewidth;
1470 mipinfo[0][1] = glt->tileheight;
1472 if ((glt->flags & TEXF_MIPMAP) && !(glt->tilewidth == 1 && glt->tileheight == 1))
1474 for (mip = 1;mip < 16;mip++)
1476 mipinfo[mip][0] = mipinfo[mip-1][0] > 1 ? mipinfo[mip-1][0] >> 1 : 1;
1477 mipinfo[mip][1] = mipinfo[mip-1][1] > 1 ? mipinfo[mip-1][1] >> 1 : 1;
1478 if (mipinfo[mip][0] == 1 && mipinfo[mip][1] == 1)
1486 for (mip = 0;mip < mipmaps;mip++)
1488 mipinfo[mip][2] = bytesperblock ? ((mipinfo[mip][0]+3)/4)*((mipinfo[mip][1]+3)/4)*bytesperblock : mipinfo[mip][0]*mipinfo[mip][1]*bytesperpixel;
1489 mipinfo[mip][3] = ddssize;
1490 ddssize += mipinfo[mip][2];
1492 dds = (unsigned char *)Mem_Alloc(tempmempool, ddssize);
1495 dds_caps1 = 0x1000; // DDSCAPS_TEXTURE
1499 dds_flags = 0x81007; // DDSD_CAPS | DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_LINEARSIZE
1500 dds_format_flags = 0x4; // DDPF_FOURCC
1504 dds_flags = 0x100F; // DDSD_CAPS | DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PITCH
1505 dds_format_flags = 0x40; // DDPF_RGB
1509 dds_flags |= 0x20000; // DDSD_MIPMAPCOUNT
1510 dds_caps1 |= 0x400008; // DDSCAPS_MIPMAP | DDSCAPS_COMPLEX
1513 dds_format_flags |= 0x1; // DDPF_ALPHAPIXELS
1514 memcpy(dds, "DDS ", 4);
1515 StoreLittleLong(dds+4, 124); // http://msdn.microsoft.com/en-us/library/bb943982%28v=vs.85%29.aspx says so
1516 StoreLittleLong(dds+8, dds_flags);
1517 StoreLittleLong(dds+12, mipinfo[0][1]); // height
1518 StoreLittleLong(dds+16, mipinfo[0][0]); // width
1519 StoreLittleLong(dds+24, 0); // depth
1520 StoreLittleLong(dds+28, mipmaps); // mipmaps
1521 StoreLittleLong(dds+76, 32); // format size
1522 StoreLittleLong(dds+80, dds_format_flags);
1523 StoreLittleLong(dds+108, dds_caps1);
1524 StoreLittleLong(dds+112, dds_caps2);
1527 StoreLittleLong(dds+20, mipinfo[0][2]); // linear size
1528 memcpy(dds+84, ddsfourcc, 4);
1529 for (mip = 0;mip < mipmaps;mip++)
1531 qglGetCompressedTexImageARB(gltexturetypeenums[glt->texturetype], mip, dds + mipinfo[mip][3]);CHECKGLERROR
1536 StoreLittleLong(dds+20, mipinfo[0][0]*bytesperpixel); // pitch
1537 StoreLittleLong(dds+88, bytesperpixel*8); // bits per pixel
1538 dds[94] = dds[97] = dds[100] = dds[107] = 255; // bgra byte order masks
1539 for (mip = 0;mip < mipmaps;mip++)
1541 qglGetTexImage(gltexturetypeenums[glt->texturetype], mip, GL_BGRA, GL_UNSIGNED_BYTE, dds + mipinfo[mip][3]);CHECKGLERROR
1544 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1545 ret = FS_WriteFile(filename, dds, ddssize);
1547 return ret ? ddssize : -5;
1552 // ELUAN: FIXME: separate this code
1553 #include "ktx10/include/ktx.h"
1556 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
1558 int i, size, dds_format_flags, dds_miplevels, dds_width, dds_height;
1561 int bytesperblock, bytesperpixel;
1564 gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
1565 textypeinfo_t *texinfo;
1566 int mip, mipwidth, mipheight, mipsize, mipsize_total;
1567 unsigned int c, r, g, b;
1568 GLint oldbindtexnum = 0;
1569 unsigned char *mippixels;
1570 unsigned char *mippixels_start;
1571 unsigned char *ddspixels;
1573 fs_offset_t ddsfilesize;
1574 unsigned int ddssize;
1575 qboolean force_swdecode;
1577 // ELUAN: FIXME: separate this code
1581 KTX_dimensions sizes;
1584 if (cls.state == ca_dedicated)
1588 // ELUAN: FIXME: separate this code
1589 if (vid.renderpath != RENDERPATH_GLES2)
1591 Con_DPrintf("KTX texture format is only supported on the GLES2 renderpath\n");
1595 // some textures are specified with extensions, so it becomes .tga.dds
1596 FS_StripExtension (filename, vabuf2, sizeof(vabuf2));
1597 FS_StripExtension (vabuf2, vabuf, sizeof(vabuf));
1598 FS_DefaultExtension (vabuf, ".ktx", sizeof(vabuf));
1599 strsize = strlen(vabuf);
1601 for (i = 0; i <= strsize - 4; i++) // copy null termination
1602 vabuf[i] = vabuf[i + 4];
1604 Con_DPrintf("Loading %s...\n", vabuf);
1605 dds = FS_LoadFile(vabuf, tempmempool, true, &ddsfilesize);
1606 ddssize = ddsfilesize;
1610 Con_DPrintf("Not found!\n");
1611 return NULL; // not found
1613 Con_DPrintf("Found!\n");
1615 if (flags & TEXF_ALPHA)
1617 Con_DPrintf("KTX texture with alpha not supported yet, disabling\n");
1618 flags &= ~TEXF_ALPHA;
1624 GLboolean isMipmapped;
1625 KTX_error_code ktxerror;
1627 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
1629 // texture uploading can take a while, so make sure we're sending keepalives
1630 CL_KeepaliveMessage(false);
1632 // create the texture object
1634 GL_ActiveTexture(0);
1635 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[GLTEXTURETYPE_2D]);
1636 qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
1637 qglBindTexture(gltexturetypeenums[GLTEXTURETYPE_2D], glt->texnum);CHECKGLERROR
1639 // upload the texture
1640 // we need to restore the texture binding after finishing the upload
1642 // NOTE: some drivers fail with ETC1 NPOT (only PowerVR?). This may make the driver crash later.
1643 ktxerror = ktxLoadTextureM(dds, ddssize, &glt->texnum, &target, &sizes, &isMipmapped, &glerror,
1644 0, NULL);// can't CHECKGLERROR, the lib catches it
1646 // FIXME: delete texture if we fail here
1647 if (target != GL_TEXTURE_2D)
1649 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1651 Con_DPrintf("%s target != GL_TEXTURE_2D, target == %x\n", vabuf, target);
1652 return NULL; // FIXME: delete the texture from memory
1655 if (KTX_SUCCESS == ktxerror)
1657 textype = TEXTYPE_ETC1;
1658 flags &= ~TEXF_COMPRESS; // don't let the textype be wrong
1660 // return whether this texture is transparent
1662 *hasalphaflag = (flags & TEXF_ALPHA) != 0;
1664 // TODO: apply gl_picmip
1667 // TODO: only load mipmaps if requested
1670 flags |= TEXF_MIPMAP;
1672 flags &= ~TEXF_MIPMAP;
1674 texinfo = R_GetTexTypeInfo(textype, flags);
1676 strlcpy (glt->identifier, vabuf, sizeof(glt->identifier));
1678 glt->chain = pool->gltchain;
1679 pool->gltchain = glt;
1680 glt->inputwidth = sizes.width;
1681 glt->inputheight = sizes.height;
1682 glt->inputdepth = 1;
1684 glt->textype = texinfo;
1685 glt->texturetype = GLTEXTURETYPE_2D;
1686 glt->inputdatasize = ddssize;
1687 glt->glinternalformat = texinfo->glinternalformat;
1688 glt->glformat = texinfo->glformat;
1689 glt->gltype = texinfo->gltype;
1690 glt->bytesperpixel = texinfo->internalbytesperpixel;
1692 glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
1693 glt->tilewidth = sizes.width;
1694 glt->tileheight = sizes.height;
1696 glt->miplevels = isMipmapped ? 1 : 0; // FIXME
1698 // after upload we have to set some parameters...
1699 #ifdef GL_TEXTURE_MAX_LEVEL
1701 if (dds_miplevels >= 1 && !mipcomplete)
1703 // need to set GL_TEXTURE_MAX_LEVEL
1704 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_LEVEL, dds_miplevels - 1);CHECKGLERROR
1708 GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
1710 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1712 return (rtexture_t *)glt;
1716 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
1718 Con_DPrintf("KTX texture %s failed to load: %x\n", vabuf, ktxerror);
1722 #endif // __ANDROID__
1724 dds = FS_LoadFile(filename, tempmempool, true, &ddsfilesize);
1725 ddssize = ddsfilesize;
1729 if (r_texture_dds_load_logfailure.integer && (r_texture_dds_load_logfailure.integer >= 2 || !optionaltexture))
1730 Log_Printf("ddstexturefailures.log", "%s\n", filename);
1731 return NULL; // not found
1734 if (ddsfilesize <= 128 || memcmp(dds, "DDS ", 4) || ddssize < (unsigned int)BuffLittleLong(dds+4) || BuffLittleLong(dds+76) != 32)
1737 Con_Printf("^1%s: not a DDS image\n", filename);
1741 //dds_flags = BuffLittleLong(dds+8);
1742 dds_format_flags = BuffLittleLong(dds+80);
1743 dds_miplevels = (BuffLittleLong(dds+108) & 0x400000) ? BuffLittleLong(dds+28) : 1;
1744 dds_width = BuffLittleLong(dds+16);
1745 dds_height = BuffLittleLong(dds+12);
1746 ddspixels = dds + 128;
1748 if(r_texture_dds_load_alphamode.integer == 0)
1749 if(!(dds_format_flags & 0x1)) // DDPF_ALPHAPIXELS
1750 flags &= ~TEXF_ALPHA;
1752 //flags &= ~TEXF_ALPHA; // disabled, as we DISABLE TEXF_ALPHA in the alpha detection, not enable it!
1753 if ((dds_format_flags & 0x40) && BuffLittleLong(dds+88) == 32)
1755 // very sloppy BGRA 32bit identification
1756 textype = TEXTYPE_BGRA;
1757 flags &= ~TEXF_COMPRESS; // don't let the textype be wrong
1760 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(dds_width, dds_height), bytesperpixel);
1761 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1764 Con_Printf("^1%s: invalid BGRA DDS image\n", filename);
1767 if((r_texture_dds_load_alphamode.integer == 1) && (flags & TEXF_ALPHA))
1770 for (i = 3;i < size;i += 4)
1771 if (ddspixels[i] < 255)
1774 flags &= ~TEXF_ALPHA;
1777 else if (!memcmp(dds+84, "DXT1", 4))
1779 // we need to find out if this is DXT1 (opaque) or DXT1A (transparent)
1780 // LordHavoc: it is my belief that this does not infringe on the
1781 // patent because it is not decoding pixels...
1782 textype = TEXTYPE_DXT1;
1785 //size = ((dds_width+3)/4)*((dds_height+3)/4)*bytesperblock;
1786 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_width, 3), 4), INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_height, 3), 4)), bytesperblock);
1787 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1790 Con_Printf("^1%s: invalid DXT1 DDS image\n", filename);
1793 if (flags & TEXF_ALPHA)
1795 if (r_texture_dds_load_alphamode.integer == 1)
1798 for (i = 0;i < size;i += bytesperblock)
1799 if (ddspixels[i+0] + ddspixels[i+1] * 256 <= ddspixels[i+2] + ddspixels[i+3] * 256)
1801 // NOTE: this assumes sizeof(unsigned int) == 4
1802 unsigned int data = * (unsigned int *) &(ddspixels[i+4]);
1803 // check if data, in base 4, contains a digit 3 (DXT1: transparent pixel)
1804 if(data & (data<<1) & 0xAAAAAAAA)//rgh
1808 textype = TEXTYPE_DXT1A;
1810 flags &= ~TEXF_ALPHA;
1812 else if (r_texture_dds_load_alphamode.integer == 0)
1813 textype = TEXTYPE_DXT1A;
1816 flags &= ~TEXF_ALPHA;
1820 else if (!memcmp(dds+84, "DXT3", 4) || !memcmp(dds+84, "DXT2", 4))
1822 if(!memcmp(dds+84, "DXT2", 4))
1824 if(!(flags & TEXF_RGBMULTIPLYBYALPHA))
1826 Con_Printf("^1%s: expecting DXT3 image without premultiplied alpha, got DXT2 image with premultiplied alpha\n", filename);
1831 if(flags & TEXF_RGBMULTIPLYBYALPHA)
1833 Con_Printf("^1%s: expecting DXT2 image without premultiplied alpha, got DXT3 image without premultiplied alpha\n", filename);
1836 textype = TEXTYPE_DXT3;
1839 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_width, 3), 4), INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_height, 3), 4)), bytesperblock);
1840 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1843 Con_Printf("^1%s: invalid DXT3 DDS image\n", filename);
1846 // we currently always assume alpha
1848 else if (!memcmp(dds+84, "DXT5", 4) || !memcmp(dds+84, "DXT4", 4))
1850 if(!memcmp(dds+84, "DXT4", 4))
1852 if(!(flags & TEXF_RGBMULTIPLYBYALPHA))
1854 Con_Printf("^1%s: expecting DXT5 image without premultiplied alpha, got DXT4 image with premultiplied alpha\n", filename);
1859 if(flags & TEXF_RGBMULTIPLYBYALPHA)
1861 Con_Printf("^1%s: expecting DXT4 image without premultiplied alpha, got DXT5 image without premultiplied alpha\n", filename);
1864 textype = TEXTYPE_DXT5;
1867 size = INTOVERFLOW_MUL(INTOVERFLOW_MUL(INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_width, 3), 4), INTOVERFLOW_DIV(INTOVERFLOW_ADD(dds_height, 3), 4)), bytesperblock);
1868 if(INTOVERFLOW_ADD(128, size) > INTOVERFLOW_NORMALIZE(ddsfilesize))
1871 Con_Printf("^1%s: invalid DXT5 DDS image\n", filename);
1874 // we currently always assume alpha
1879 Con_Printf("^1%s: unrecognized/unsupported DDS format\n", filename);
1883 // when requesting a non-alpha texture and we have DXT3/5, convert to DXT1
1884 if(!(flags & TEXF_ALPHA) && (textype == TEXTYPE_DXT3 || textype == TEXTYPE_DXT5))
1886 textype = TEXTYPE_DXT1;
1890 for (i = 0;i < (int)ddssize;i += bytesperblock)
1891 memcpy(&ddspixels[i], &ddspixels[(i<<1)+8], 8);
1895 force_swdecode = false;
1898 if(vid.support.arb_texture_compression && vid.support.ext_texture_compression_s3tc)
1900 if(r_texture_dds_swdecode.integer > 1)
1901 force_swdecode = true;
1905 if(r_texture_dds_swdecode.integer < 1)
1911 force_swdecode = true;
1915 // return whether this texture is transparent
1917 *hasalphaflag = (flags & TEXF_ALPHA) != 0;
1919 // if we SW decode, choose 2 sizes bigger
1922 // this is quarter res, so do not scale down more than we have to
1926 Con_DPrintf("WARNING: fake software decoding of compressed texture %s degraded quality\n", filename);
1929 // this is where we apply gl_picmip
1930 mippixels_start = ddspixels;
1931 mipwidth = dds_width;
1932 mipheight = dds_height;
1933 while(miplevel >= 1 && dds_miplevels >= 1)
1935 if (mipwidth <= 1 && mipheight <= 1)
1937 mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
1938 mippixels_start += mipsize; // just skip
1946 mipsize_total = ddssize - 128 - (mippixels_start - ddspixels);
1947 mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
1949 // from here on, we do not need the ddspixels and ddssize any more (apart from the statistics entry in glt)
1951 // fake decode S3TC if needed
1954 int mipsize_new = mipsize_total / bytesperblock * 4;
1955 unsigned char *mipnewpixels = (unsigned char *) Mem_Alloc(tempmempool, mipsize_new);
1956 unsigned char *p = mipnewpixels;
1957 for (i = bytesperblock == 16 ? 8 : 0;i < (int)mipsize_total;i += bytesperblock, p += 4)
1959 c = mippixels_start[i] + 256*mippixels_start[i+1] + 65536*mippixels_start[i+2] + 16777216*mippixels_start[i+3];
1960 p[2] = (((c >> 11) & 0x1F) + ((c >> 27) & 0x1F)) * (0.5f / 31.0f * 255.0f);
1961 p[1] = (((c >> 5) & 0x3F) + ((c >> 21) & 0x3F)) * (0.5f / 63.0f * 255.0f);
1962 p[0] = (((c ) & 0x1F) + ((c >> 16) & 0x1F)) * (0.5f / 31.0f * 255.0f);
1963 if(textype == TEXTYPE_DXT5)
1964 p[3] = (0.5 * mippixels_start[i-8] + 0.5 * mippixels_start[i-7]);
1965 else if(textype == TEXTYPE_DXT3)
1967 (mippixels_start[i-8] & 0x0F)
1968 + (mippixels_start[i-8] >> 4)
1969 + (mippixels_start[i-7] & 0x0F)
1970 + (mippixels_start[i-7] >> 4)
1971 + (mippixels_start[i-6] & 0x0F)
1972 + (mippixels_start[i-6] >> 4)
1973 + (mippixels_start[i-5] & 0x0F)
1974 + (mippixels_start[i-5] >> 4)
1975 ) * (0.125f / 15.0f * 255.0f);
1980 textype = TEXTYPE_BGRA;
1984 // as each block becomes a pixel, we must use pixel count for this
1985 mipwidth = (mipwidth + 3) / 4;
1986 mipheight = (mipheight + 3) / 4;
1987 mipsize = bytesperpixel * mipwidth * mipheight;
1988 mippixels_start = mipnewpixels;
1989 mipsize_total = mipsize_new;
1992 // start mip counting
1993 mippixels = mippixels_start;
1995 // calculate average color if requested
1999 Vector4Clear(avgcolor);
2002 for (i = bytesperblock == 16 ? 8 : 0;i < mipsize;i += bytesperblock)
2004 c = mippixels[i] + 256*mippixels[i+1] + 65536*mippixels[i+2] + 16777216*mippixels[i+3];
2005 avgcolor[0] += ((c >> 11) & 0x1F) + ((c >> 27) & 0x1F);
2006 avgcolor[1] += ((c >> 5) & 0x3F) + ((c >> 21) & 0x3F);
2007 avgcolor[2] += ((c ) & 0x1F) + ((c >> 16) & 0x1F);
2008 if(textype == TEXTYPE_DXT5)
2009 avgcolor[3] += (mippixels[i-8] + (int) mippixels[i-7]) * (0.5f / 255.0f);
2010 else if(textype == TEXTYPE_DXT3)
2012 (mippixels_start[i-8] & 0x0F)
2013 + (mippixels_start[i-8] >> 4)
2014 + (mippixels_start[i-7] & 0x0F)
2015 + (mippixels_start[i-7] >> 4)
2016 + (mippixels_start[i-6] & 0x0F)
2017 + (mippixels_start[i-6] >> 4)
2018 + (mippixels_start[i-5] & 0x0F)
2019 + (mippixels_start[i-5] >> 4)
2020 ) * (0.125f / 15.0f);
2022 avgcolor[3] += 1.0f;
2024 f = (float)bytesperblock / mipsize;
2025 avgcolor[0] *= (0.5f / 31.0f) * f;
2026 avgcolor[1] *= (0.5f / 63.0f) * f;
2027 avgcolor[2] *= (0.5f / 31.0f) * f;
2032 for (i = 0;i < mipsize;i += 4)
2034 avgcolor[0] += mippixels[i+2];
2035 avgcolor[1] += mippixels[i+1];
2036 avgcolor[2] += mippixels[i];
2037 avgcolor[3] += mippixels[i+3];
2039 f = (1.0f / 255.0f) * bytesperpixel / mipsize;
2047 // if we want sRGB, convert now
2050 if (vid.support.ext_texture_srgb)
2054 case TEXTYPE_DXT1: textype = TEXTYPE_SRGB_DXT1 ;break;
2055 case TEXTYPE_DXT1A: textype = TEXTYPE_SRGB_DXT1A ;break;
2056 case TEXTYPE_DXT3: textype = TEXTYPE_SRGB_DXT3 ;break;
2057 case TEXTYPE_DXT5: textype = TEXTYPE_SRGB_DXT5 ;break;
2058 case TEXTYPE_RGBA: textype = TEXTYPE_SRGB_RGBA ;break;
2072 for (i = bytesperblock == 16 ? 8 : 0;i < mipsize_total;i += bytesperblock)
2074 int c0, c1, c0new, c1new;
2075 c0 = mippixels_start[i] + 256*mippixels_start[i+1];
2076 r = ((c0 >> 11) & 0x1F);
2077 g = ((c0 >> 5) & 0x3F);
2079 r = floor(Image_LinearFloatFromsRGB(r * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2080 g = floor(Image_LinearFloatFromsRGB(g * (255.0f / 63.0f)) * 63.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2081 b = floor(Image_LinearFloatFromsRGB(b * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2082 c0new = (r << 11) | (g << 5) | b;
2083 c1 = mippixels_start[i+2] + 256*mippixels_start[i+3];
2084 r = ((c1 >> 11) & 0x1F);
2085 g = ((c1 >> 5) & 0x3F);
2087 r = floor(Image_LinearFloatFromsRGB(r * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2088 g = floor(Image_LinearFloatFromsRGB(g * (255.0f / 63.0f)) * 63.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2089 b = floor(Image_LinearFloatFromsRGB(b * (255.0f / 31.0f)) * 31.0f + 0.5f); // these multiplications here get combined with multiplications in Image_LinearFloatFromsRGB
2090 c1new = (r << 11) | (g << 5) | b;
2091 // swap the colors if needed to fix order
2092 if(c0 > c1) // thirds
2100 mippixels_start[i+4] ^= 0x55;
2101 mippixels_start[i+5] ^= 0x55;
2102 mippixels_start[i+6] ^= 0x55;
2103 mippixels_start[i+7] ^= 0x55;
2105 else if(c0new == c1new)
2107 mippixels_start[i+4] = 0x00;
2108 mippixels_start[i+5] = 0x00;
2109 mippixels_start[i+6] = 0x00;
2110 mippixels_start[i+7] = 0x00;
2113 else // half + transparent
2120 mippixels_start[i+4] ^= (~mippixels_start[i+4] >> 1) & 0x55;
2121 mippixels_start[i+5] ^= (~mippixels_start[i+5] >> 1) & 0x55;
2122 mippixels_start[i+6] ^= (~mippixels_start[i+6] >> 1) & 0x55;
2123 mippixels_start[i+7] ^= (~mippixels_start[i+7] >> 1) & 0x55;
2126 mippixels_start[i] = c0new & 255;
2127 mippixels_start[i+1] = c0new >> 8;
2128 mippixels_start[i+2] = c1new & 255;
2129 mippixels_start[i+3] = c1new >> 8;
2134 Image_MakeLinearColorsFromsRGB(mippixels, mippixels, mipsize_total / bytesperblock);
2142 // when not requesting mipmaps, do not load them
2143 if(!(flags & TEXF_MIPMAP))
2146 if (dds_miplevels >= 1)
2147 flags |= TEXF_MIPMAP;
2149 flags &= ~TEXF_MIPMAP;
2151 texinfo = R_GetTexTypeInfo(textype, flags);
2153 glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
2154 strlcpy (glt->identifier, filename, sizeof(glt->identifier));
2156 glt->chain = pool->gltchain;
2157 pool->gltchain = glt;
2158 glt->inputwidth = mipwidth;
2159 glt->inputheight = mipheight;
2160 glt->inputdepth = 1;
2162 glt->textype = texinfo;
2163 glt->texturetype = GLTEXTURETYPE_2D;
2164 glt->inputdatasize = ddssize;
2165 glt->glinternalformat = texinfo->glinternalformat;
2166 glt->glformat = texinfo->glformat;
2167 glt->gltype = texinfo->gltype;
2168 glt->bytesperpixel = texinfo->internalbytesperpixel;
2170 glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
2171 glt->tilewidth = mipwidth;
2172 glt->tileheight = mipheight;
2174 glt->miplevels = dds_miplevels;
2176 // texture uploading can take a while, so make sure we're sending keepalives
2177 CL_KeepaliveMessage(false);
2179 // create the texture object
2180 switch(vid.renderpath)
2182 case RENDERPATH_GL32:
2183 case RENDERPATH_GLES2:
2185 GL_ActiveTexture(0);
2186 oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
2187 qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
2188 qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
2192 // upload the texture
2193 // we need to restore the texture binding after finishing the upload
2194 mipcomplete = false;
2196 for (mip = 0;mip <= dds_miplevels;mip++) // <= to include the not-counted "largest" miplevel
2198 unsigned char *upload_mippixels = mippixels;
2199 int upload_mipwidth = mipwidth;
2200 int upload_mipheight = mipheight;
2201 mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
2202 if (mippixels + mipsize > mippixels_start + mipsize_total)
2204 switch(vid.renderpath)
2206 case RENDERPATH_GL32:
2207 case RENDERPATH_GLES2:
2210 qglCompressedTexImage2DARB(GL_TEXTURE_2D, mip, glt->glinternalformat, upload_mipwidth, upload_mipheight, 0, mipsize, upload_mippixels);CHECKGLERROR
2214 qglTexImage2D(GL_TEXTURE_2D, mip, glt->glinternalformat, upload_mipwidth, upload_mipheight, 0, glt->glformat, glt->gltype, upload_mippixels);CHECKGLERROR
2218 if(upload_mippixels != mippixels)
2219 Mem_Free(upload_mippixels);
2220 mippixels += mipsize;
2221 if (mipwidth <= 1 && mipheight <= 1)
2232 // after upload we have to set some parameters...
2233 switch(vid.renderpath)
2235 case RENDERPATH_GL32:
2236 case RENDERPATH_GLES2:
2237 #ifdef GL_TEXTURE_MAX_LEVEL
2238 if (dds_miplevels >= 1 && !mipcomplete)
2240 // need to set GL_TEXTURE_MAX_LEVEL
2241 qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_LEVEL, dds_miplevels - 1);CHECKGLERROR
2244 GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
2245 qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
2251 Mem_Free((unsigned char *) mippixels_start);
2252 return (rtexture_t *)glt;
2255 int R_TextureWidth(rtexture_t *rt)
2257 return rt ? ((gltexture_t *)rt)->inputwidth : 0;
2260 int R_TextureHeight(rtexture_t *rt)
2262 return rt ? ((gltexture_t *)rt)->inputheight : 0;
2265 int R_TextureFlags(rtexture_t *rt)
2267 return rt ? ((gltexture_t *)rt)->flags : 0;
2270 void R_UpdateTexture(rtexture_t *rt, const unsigned char *data, int x, int y, int z, int width, int height, int depth)
2272 gltexture_t *glt = (gltexture_t *)rt;
2274 Host_Error("R_UpdateTexture: no data supplied");
2276 Host_Error("R_UpdateTexture: no texture supplied");
2279 Con_DPrintf("R_UpdateTexture: texture %p \"%s\" in pool %p has not been uploaded yet\n", (void *)glt, glt->identifier, (void *)glt->pool);
2282 // update part of the texture
2283 if (glt->bufferpixels)
2286 int bpp = glt->bytesperpixel;
2287 int inputskip = width*bpp;
2288 int outputskip = glt->tilewidth*bpp;
2289 const unsigned char *input = data;
2290 unsigned char *output = glt->bufferpixels;
2291 if (glt->inputdepth != 1 || glt->sides != 1)
2292 Sys_Error("R_UpdateTexture on buffered texture that is not 2D\n");
2302 input -= y*inputskip;
2305 if (width > glt->tilewidth - x)
2306 width = glt->tilewidth - x;
2307 if (height > glt->tileheight - y)
2308 height = glt->tileheight - y;
2309 if (width < 1 || height < 1)
2312 glt->buffermodified = true;
2313 output += y*outputskip + x*bpp;
2314 for (j = 0;j < height;j++, output += outputskip, input += inputskip)
2315 memcpy(output, input, width*bpp);
2317 else if (x || y || z || width != glt->inputwidth || height != glt->inputheight || depth != glt->inputdepth)
2318 R_UploadPartialTexture(glt, data, x, y, z, width, height, depth);
2320 R_UploadFullTexture(glt, data);
2323 int R_RealGetTexture(rtexture_t *rt)
2328 glt = (gltexture_t *)rt;
2329 if (glt->flags & GLTEXF_DYNAMIC)
2330 R_UpdateDynamicTexture(glt);
2331 if (glt->buffermodified && glt->bufferpixels)
2333 glt->buffermodified = false;
2334 R_UploadFullTexture(glt, glt->bufferpixels);
2340 return r_texture_white->texnum;
2343 void R_ClearTexture (rtexture_t *rt)
2345 gltexture_t *glt = (gltexture_t *)rt;
2347 R_UploadFullTexture(glt, NULL);
2350 int R_PicmipForFlags(int flags)
2353 if(flags & TEXF_PICMIP)
2355 miplevel += gl_picmip.integer;
2356 if (flags & TEXF_ISWORLD)
2358 if (r_picmipworld.integer)
2359 miplevel += gl_picmip_world.integer;
2363 else if (flags & TEXF_ISSPRITE)
2365 if (r_picmipsprites.integer)
2366 miplevel += gl_picmip_sprites.integer;
2371 miplevel += gl_picmip_other.integer;
2373 return max(0, miplevel);