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)"};
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)"};
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%"};
+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)"};
+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)"};
+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)"};
+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)"};
+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)"};
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)"};
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"};
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"};
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)"};
cvar_t gl_texturecompression_sky = {CVAR_SAVE, "gl_texturecompression_sky", "0", "whether to compress sky textures"};
cvar_t gl_texturecompression_lightcubemaps = {CVAR_SAVE, "gl_texturecompression_lightcubemaps", "1", "whether to compress light cubemaps (spotlights and other light projection images)"};
+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)"};
cvar_t gl_nopartialtextureupdates = {CVAR_SAVE, "gl_nopartialtextureupdates", "1", "use alternate path for dynamic lightmap updates that avoids a possibly slow code path in the driver"};
+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 ambigous, 2: texture format only"};
+qboolean gl_filter_force = false;
int gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
int gl_filter_mag = GL_LINEAR;
static mempool_t *texturemempool;
+static memexpandablearray_t texturearray;
// note: this must not conflict with TEXF_ flags in r_textures.h
// bitmask for mismatch checking
int inputbytesperpixel;
int internalbytesperpixel;
float glinternalbytesperpixel;
- int glformat;
int glinternalformat;
+ int glformat;
int gltype;
}
textypeinfo_t;
-static textypeinfo_t textype_palette = {TEXTYPE_PALETTE, 1, 4, 4.0f, GL_BGRA , 3, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_palette_alpha = {TEXTYPE_PALETTE, 1, 4, 4.0f, GL_BGRA , 4, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_rgba = {TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGBA , 3, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_rgba_alpha = {TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGBA , 4, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_rgba_compress = {TEXTYPE_RGBA , 4, 4, 0.5f, GL_RGBA , GL_COMPRESSED_RGB_ARB, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_rgba_alpha_compress = {TEXTYPE_RGBA , 4, 4, 1.0f, GL_RGBA , GL_COMPRESSED_RGBA_ARB, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_bgra = {TEXTYPE_BGRA , 4, 4, 4.0f, GL_BGRA , 3, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_bgra_alpha = {TEXTYPE_BGRA , 4, 4, 4.0f, GL_BGRA , 4, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_bgra_compress = {TEXTYPE_BGRA , 4, 4, 0.5f, GL_BGRA , GL_COMPRESSED_RGB_ARB, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_bgra_alpha_compress = {TEXTYPE_BGRA , 4, 4, 1.0f, GL_BGRA , GL_COMPRESSED_RGBA_ARB, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_shadowmap16 = {TEXTYPE_SHADOWMAP,2,2, 2.0f, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT16_ARB, GL_UNSIGNED_SHORT};
-static textypeinfo_t textype_shadowmap24 = {TEXTYPE_SHADOWMAP,4,4, 4.0f, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT24_ARB, GL_UNSIGNED_INT};
-static textypeinfo_t textype_alpha = {TEXTYPE_ALPHA , 1, 4, 4.0f, GL_ALPHA , 4, GL_UNSIGNED_BYTE};
-static textypeinfo_t textype_dxt1 = {TEXTYPE_DXT1 , 4, 0, 0.5f, 0 , GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0};
-static textypeinfo_t textype_dxt1a = {TEXTYPE_DXT1A , 4, 0, 0.5f, 0 , GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0};
-static textypeinfo_t textype_dxt3 = {TEXTYPE_DXT3 , 4, 0, 1.0f, 0 , GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0};
-static textypeinfo_t textype_dxt5 = {TEXTYPE_DXT5 , 4, 0, 1.0f, 0 , GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0};
+
+static textypeinfo_t textype_palette = {TEXTYPE_PALETTE , 1, 4, 4.0f, 3 , GL_BGRA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_palette_alpha = {TEXTYPE_PALETTE , 1, 4, 4.0f, 4 , GL_BGRA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_rgba = {TEXTYPE_RGBA , 4, 4, 4.0f, 3 , GL_RGBA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_rgba_alpha = {TEXTYPE_RGBA , 4, 4, 4.0f, 4 , GL_RGBA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_rgba_compress = {TEXTYPE_RGBA , 4, 4, 0.5f, GL_COMPRESSED_RGB_S3TC_DXT1_EXT , GL_RGBA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_rgba_alpha_compress = {TEXTYPE_RGBA , 4, 4, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_bgra = {TEXTYPE_BGRA , 4, 4, 4.0f, 3 , GL_BGRA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_bgra_alpha = {TEXTYPE_BGRA , 4, 4, 4.0f, 4 , GL_BGRA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_bgra_compress = {TEXTYPE_BGRA , 4, 4, 0.5f, GL_COMPRESSED_RGB_S3TC_DXT1_EXT , GL_BGRA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_bgra_alpha_compress = {TEXTYPE_BGRA , 4, 4, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_BGRA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_shadowmap16 = {TEXTYPE_SHADOWMAP , 2, 2, 2.0f, GL_DEPTH_COMPONENT16_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
+static textypeinfo_t textype_shadowmap24 = {TEXTYPE_SHADOWMAP , 4, 4, 4.0f, GL_DEPTH_COMPONENT24_ARB , GL_DEPTH_COMPONENT, GL_UNSIGNED_INT };
+static textypeinfo_t textype_alpha = {TEXTYPE_ALPHA , 1, 4, 4.0f, GL_ALPHA , GL_ALPHA , GL_UNSIGNED_BYTE };
+static textypeinfo_t textype_dxt1 = {TEXTYPE_DXT1 , 4, 0, 0.5f, GL_COMPRESSED_RGB_S3TC_DXT1_EXT , 0 , 0 };
+static textypeinfo_t textype_dxt1a = {TEXTYPE_DXT1A , 4, 0, 0.5f, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 , 0 };
+static textypeinfo_t textype_dxt3 = {TEXTYPE_DXT3 , 4, 0, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 , 0 };
+static textypeinfo_t textype_dxt5 = {TEXTYPE_DXT5 , 4, 0, 1.0f, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 , 0 };
+static textypeinfo_t textype_colorbuffer = {TEXTYPE_COLORBUFFER, 4, 4, 4.0f, 4 , GL_BGRA , GL_UNSIGNED_BYTE };
+
typedef enum gltexturetype_e
{
// flags supplied to the LoadTexture function
// (might be altered to remove TEXF_ALPHA), and GLTEXF_ private flags
int flags;
+ // picmip level
+ int miplevel;
// pointer to one of the textype_ structs
textypeinfo_t *textype;
// one of the GLTEXTURETYPE_ values
static unsigned char *resizebuffer = NULL, *colorconvertbuffer;
static int resizebuffersize = 0;
static const unsigned char *texturebuffer;
-static int texturebuffersize = 0;
static textypeinfo_t *R_GetTexTypeInfo(textype_t textype, int flags)
{
case TEXTYPE_PALETTE:
return (flags & TEXF_ALPHA) ? &textype_palette_alpha : &textype_palette;
case TEXTYPE_RGBA:
- if ((flags & TEXF_COMPRESS) && gl_texturecompression.integer >= 1 && vid.support.arb_texture_compression)
+ if ((flags & TEXF_COMPRESS) && gl_texturecompression.integer >= 1 && vid.support.ext_texture_compression_s3tc)
return (flags & TEXF_ALPHA) ? &textype_rgba_alpha_compress : &textype_rgba_compress;
- else
- return (flags & TEXF_ALPHA) ? &textype_rgba_alpha : &textype_rgba;
- break;
+ return (flags & TEXF_ALPHA) ? &textype_rgba_alpha : &textype_rgba;
case TEXTYPE_BGRA:
- if ((flags & TEXF_COMPRESS) && gl_texturecompression.integer >= 1 && vid.support.arb_texture_compression)
+ if ((flags & TEXF_COMPRESS) && gl_texturecompression.integer >= 1 && vid.support.ext_texture_compression_s3tc)
return (flags & TEXF_ALPHA) ? &textype_bgra_alpha_compress : &textype_bgra_compress;
- else
- return (flags & TEXF_ALPHA) ? &textype_bgra_alpha : &textype_bgra;
- break;
+ return (flags & TEXF_ALPHA) ? &textype_bgra_alpha : &textype_bgra;
case TEXTYPE_ALPHA:
return &textype_alpha;
case TEXTYPE_SHADOWMAP:
return (flags & TEXF_LOWPRECISION) ? &textype_shadowmap16 : &textype_shadowmap24;
+ case TEXTYPE_COLORBUFFER:
+ return &textype_colorbuffer;
default:
Host_Error("R_GetTexTypeInfo: unknown texture format");
- return NULL;
+ break;
}
- return NULL; // this line only to hush compiler warnings
+ return NULL;
}
// dynamic texture code [11/22/2007 Black]
if (glt->inputtexels)
Mem_Free(glt->inputtexels);
- Mem_Free(glt);
+ Mem_ExpandableArray_FreeRecord(&texturearray, glt);
}
rtexturepool_t *R_AllocTexturePool(void)
if (Cmd_Argc() == 1)
{
+ Con_Printf("Texture mode is %sforced\n", gl_filter_force ? "" : "not ");
for (i = 0;i < 6;i++)
{
if (gl_filter_min == modes[i].minification)
return;
}
- for (i = 0;i < 6;i++)
+ for (i = 0;i < (int)(sizeof(modes)/sizeof(*modes));i++)
if (!strcasecmp (modes[i].name, Cmd_Argv(1) ) )
break;
if (i == 6)
gl_filter_min = modes[i].minification;
gl_filter_mag = modes[i].magnification;
+ gl_filter_force = ((Cmd_Argc() > 2) && !strcasecmp(Cmd_Argv(2), "force"));
// change all the existing mipmap texture objects
// FIXME: force renderer(/client/something?) restart instead?
for (glt = pool->gltchain;glt;glt = glt->chain)
{
// only update already uploaded images
- if (glt->texnum && !(glt->flags & (TEXF_FORCENEAREST | TEXF_FORCELINEAR)))
+ if (glt->texnum && (gl_filter_force || !(glt->flags & (TEXF_FORCENEAREST | TEXF_FORCELINEAR))))
{
oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
}
}
-static void GL_Texture_CalcImageSize(int texturetype, int flags, int inwidth, int inheight, int indepth, int *outwidth, int *outheight, int *outdepth)
+static void GL_Texture_CalcImageSize(int texturetype, int flags, int miplevel, int inwidth, int inheight, int indepth, int *outwidth, int *outheight, int *outdepth)
{
int picmip = 0, maxsize = 0, width2 = 1, height2 = 1, depth2 = 1;
if (flags & TEXF_PICMIP)
{
maxsize = bound(1, gl_max_size.integer, maxsize);
- picmip = gl_picmip.integer;
+ picmip = miplevel;
}
break;
case GLTEXTURETYPE_3D:
{
int width2, height2, depth2, size;
- GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->inputwidth, glt->inputheight, glt->inputdepth, &width2, &height2, &depth2);
+ GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &width2, &height2, &depth2);
size = width2 * height2 * depth2;
qglPixelStorei(GL_PACK_ALIGNMENT, 1);CHECKGLERROR
texturemempool = Mem_AllocPool("texture management", 0, NULL);
+ Mem_ExpandableArray_NewArray(&texturearray, texturemempool, sizeof(gltexture_t), 512);
// Disable JPEG screenshots if the DLL isn't loaded
if (! JPEG_OpenLibrary ())
Cvar_SetValueQuick (&scr_screenshot_jpeg, 0);
- // TODO: support png screenshots?
- PNG_OpenLibrary ();
+ if (! PNG_OpenLibrary ())
+ Cvar_SetValueQuick (&scr_screenshot_png, 0);
}
static void r_textures_shutdown(void)
}
resizebuffersize = 0;
- texturebuffersize = 0;
resizebuffer = NULL;
colorconvertbuffer = NULL;
texturebuffer = NULL;
+ Mem_ExpandableArray_FreeArray(&texturearray);
Mem_FreePool(&texturemempool);
}
void R_Textures_Init (void)
{
- Cmd_AddCommand("gl_texturemode", &GL_TextureMode_f, "set texture filtering mode (GL_NEAREST, GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR, etc)");
+ 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");
Cmd_AddCommand("r_texturestats", R_TextureStats_f, "print information about all loaded textures and some statistics");
Cvar_RegisterVariable (&gl_max_size);
Cvar_RegisterVariable (&gl_picmip);
+ Cvar_RegisterVariable (&gl_picmip_world);
+ Cvar_RegisterVariable (&r_picmipworld);
+ Cvar_RegisterVariable (&gl_picmip_sprites);
+ Cvar_RegisterVariable (&r_picmipsprites);
+ Cvar_RegisterVariable (&gl_picmip_other);
Cvar_RegisterVariable (&gl_max_lightmapsize);
Cvar_RegisterVariable (&r_lerpimages);
Cvar_RegisterVariable (&gl_texture_anisotropy);
Cvar_RegisterVariable (&gl_texturecompression_q3bspdeluxemaps);
Cvar_RegisterVariable (&gl_texturecompression_sky);
Cvar_RegisterVariable (&gl_texturecompression_lightcubemaps);
+ Cvar_RegisterVariable (&gl_texturecompression_reflectmask);
Cvar_RegisterVariable (&gl_nopartialtextureupdates);
+ Cvar_RegisterVariable (&r_texture_dds_load_alphamode);
- R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap);
+ R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap, NULL, NULL);
}
void R_Textures_Frame (void)
}
CHECKGLERROR
- if (flags & TEXF_FORCENEAREST)
+ if (!gl_filter_force && flags & TEXF_FORCENEAREST)
{
if (flags & TEXF_MIPMAP)
{
}
qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, GL_NEAREST);CHECKGLERROR
}
- else if (flags & TEXF_FORCELINEAR)
+ else if (!gl_filter_force && flags & TEXF_FORCELINEAR)
{
if (flags & TEXF_MIPMAP)
{
else
{
if (fragx || fragy || fragz || glt->inputwidth != fragwidth || glt->inputheight != fragheight || glt->inputdepth != fragdepth)
- Host_Error("R_Upload: partial update not allowed on initial upload or in combination with PICMIP or MIPMAP\n");
+ Sys_Error("R_Upload \"%s\": partial update not allowed on initial upload or in combination with PICMIP or MIPMAP\n", glt->identifier);
// cubemaps contain multiple images and thus get processed a bit differently
if (glt->texturetype != GLTEXTURETYPE_CUBEMAP)
qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
}
-static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, int sides, int flags, textype_t textype, int texturetype, const unsigned char *data, const unsigned int *palette)
+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)
{
int i, size;
gltexture_t *glt;
gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
- textypeinfo_t *texinfo;
+ textypeinfo_t *texinfo, *texinfo2;
if (cls.state == ca_dedicated)
return NULL;
case TEXTYPE_ALPHA:
flags |= TEXF_ALPHA;
break;
+ case TEXTYPE_COLORBUFFER:
+ flags |= TEXF_ALPHA;
+ break;
default:
Host_Error("R_LoadTexture: unknown texture type");
}
- glt = (gltexture_t *)Mem_Alloc(texturemempool, sizeof(gltexture_t));
+ texinfo2 = R_GetTexTypeInfo(textype, flags);
+ if(size == width * height * depth * sides * texinfo->inputbytesperpixel)
+ texinfo = texinfo2;
+ else
+ Con_Printf ("R_LoadTexture: input size changed after alpha fallback\n");
+
+ glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
if (identifier)
strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
glt->pool = pool;
glt->inputheight = height;
glt->inputdepth = depth;
glt->flags = flags;
+ 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
glt->textype = texinfo;
glt->texturetype = texturetype;
glt->inputdatasize = size;
glt->updatecallback = NULL;
glt->updatacallback_data = NULL;
- GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth);
+ GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->miplevel, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth);
// upload the texture
// data may be NULL (blank texture for dynamic rendering)
return (rtexture_t *)glt;
}
-rtexture_t *R_LoadTexture2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const unsigned char *data, textype_t textype, int flags, const unsigned int *palette)
+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)
{
- return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, flags, textype, GLTEXTURETYPE_2D, data, palette);
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, flags, miplevel, textype, GLTEXTURETYPE_2D, data, palette);
}
-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, const unsigned int *palette)
+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)
{
- return R_SetupTexture(rtexturepool, identifier, width, height, depth, 1, flags, textype, GLTEXTURETYPE_3D, data, palette);
+ return R_SetupTexture(rtexturepool, identifier, width, height, depth, 1, flags, miplevel, textype, GLTEXTURETYPE_3D, data, palette);
}
-rtexture_t *R_LoadTextureCubeMap(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, textype_t textype, int flags, const unsigned int *palette)
+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)
{
- return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, flags, textype, GLTEXTURETYPE_CUBEMAP, data, palette);
+ return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, flags, miplevel, textype, GLTEXTURETYPE_CUBEMAP, data, palette);
}
-rtexture_t *R_LoadTextureRectangle(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const unsigned char *data, textype_t textype, int flags, const unsigned int *palette)
+rtexture_t *R_LoadTextureRectangle(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)
{
- return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, flags, textype, GLTEXTURETYPE_RECTANGLE, data, palette);
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, flags, miplevel, textype, GLTEXTURETYPE_RECTANGLE, data, palette);
}
static int R_ShadowMapTextureFlags(int precision, qboolean filter)
rtexture_t *R_LoadTextureShadowMapRectangle(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int precision, qboolean filter)
{
- return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, R_ShadowMapTextureFlags(precision, filter), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_RECTANGLE, NULL, NULL);
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, R_ShadowMapTextureFlags(precision, filter), -1, TEXTYPE_SHADOWMAP, GLTEXTURETYPE_RECTANGLE, NULL, NULL);
}
rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int precision, qboolean filter)
{
- return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, R_ShadowMapTextureFlags(precision, filter), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_2D, NULL, NULL);
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, R_ShadowMapTextureFlags(precision, filter), -1, TEXTYPE_SHADOWMAP, GLTEXTURETYPE_2D, NULL, NULL);
}
rtexture_t *R_LoadTextureShadowMapCube(rtexturepool_t *rtexturepool, const char *identifier, int width, int precision, qboolean filter)
{
- return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, R_ShadowMapTextureFlags(precision, filter), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_CUBEMAP, NULL, NULL);
+ return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, R_ShadowMapTextureFlags(precision, filter), -1, TEXTYPE_SHADOWMAP, GLTEXTURETYPE_CUBEMAP, NULL, NULL);
}
-int R_SaveTextureDDSFile(rtexture_t *rt, const char *filename, qboolean skipuncompressed)
+int R_SaveTextureDDSFile(rtexture_t *rt, const char *filename, qboolean skipuncompressed, qboolean hasalpha)
{
gltexture_t *glt = (gltexture_t *)rt;
unsigned char *dds;
else
{
dds_flags = 0x100F; // DDSD_CAPS | DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PITCH
- dds_format_flags = 0x41; // DDPF_RGB | DDPF_ALPHAPIXELS
+ dds_format_flags = 0x40; // DDPF_RGB
}
if (mipmaps)
{
dds_flags |= 0x20000; // DDSD_MIPMAPCOUNT
dds_caps1 |= 0x400008; // DDSCAPS_MIPMAP | DDSCAPS_COMPLEX
}
+ if(hasalpha)
+ dds_format_flags |= 0x1; // DDPF_ALPHAPIXELS
memcpy(dds, "DDS ", 4);
StoreLittleLong(dds+4, ddssize);
StoreLittleLong(dds+8, dds_flags);
return ret ? ddssize : -5;
}
-rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filename, int flags, qboolean *hasalphaflag, float *avgcolor)
+rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filename, int flags, qboolean *hasalphaflag, float *avgcolor, int miplevel) // DDS textures are opaque, so miplevel isn't a pointer but just seen as a hint
{
- int i, size, dds_flags, dds_format_flags, dds_miplevels, dds_width, dds_height, textype;
+ int i, size, dds_format_flags, dds_miplevels, dds_width, dds_height;
+ //int dds_flags;
+ textype_t textype;
int bytesperblock, bytesperpixel;
int mipcomplete;
gltexture_t *glt;
ddssize = ddsfilesize;
if (!dds)
+ {
+ Log_Printf("ddstexturefailures.log", "%s\n", filename);
return NULL; // not found
+ }
if (ddsfilesize <= 128 || memcmp(dds, "DDS ", 4) || ddssize < (unsigned int)BuffLittleLong(dds+4) || BuffLittleLong(dds+76) != 32)
{
return NULL;
}
- dds_flags = BuffLittleLong(dds+8);
+ //dds_flags = BuffLittleLong(dds+8);
dds_format_flags = BuffLittleLong(dds+80);
dds_miplevels = (BuffLittleLong(dds+108) & 0x400000) ? BuffLittleLong(dds+28) : 1;
dds_width = BuffLittleLong(dds+16);
dds_height = BuffLittleLong(dds+12);
ddspixels = dds + 128;
- flags &= ~TEXF_ALPHA;
+ if(r_texture_dds_load_alphamode.integer == 0)
+ if(!(dds_format_flags & 0x1)) // DDPF_ALPHAPIXELS
+ flags &= ~TEXF_ALPHA;
+
+ //flags &= ~TEXF_ALPHA; // disabled, as we DISABLE TEXF_ALPHA in the alpha detection, not enable it!
if ((dds_format_flags & 0x40) && BuffLittleLong(dds+88) == 32)
{
// very sloppy BGRA 32bit identification
Con_Printf("^1%s: invalid BGRA DDS image\n", filename);
return NULL;
}
- // check alpha
- for (i = 3;i < size;i += 4)
- if (ddspixels[i] < 255)
- break;
- if (i < size)
- flags |= TEXF_ALPHA;
+ if((r_texture_dds_load_alphamode.integer == 1) && (flags & TEXF_ALPHA))
+ {
+ // check alpha
+ for (i = 3;i < size;i += 4)
+ if (ddspixels[i] < 255)
+ break;
+ if (i >= size)
+ flags &= ~TEXF_ALPHA;
+ }
}
else if (!memcmp(dds+84, "DXT1", 4))
{
+ if(!vid.support.ext_texture_compression_s3tc)
+ {
+ Mem_Free(dds);
+ return NULL;
+ }
// we need to find out if this is DXT1 (opaque) or DXT1A (transparent)
// LordHavoc: it is my belief that this does not infringe on the
// patent because it is not decoding pixels...
Con_Printf("^1%s: invalid DXT1 DDS image\n", filename);
return NULL;
}
- for (i = 0;i < size;i += bytesperblock)
- if (ddspixels[i+0] + ddspixels[i+1] * 256 <= ddspixels[i+2] + ddspixels[i+3] * 256)
- break;
- if (i < size)
+ if(r_texture_dds_load_alphamode.integer && (flags & TEXF_ALPHA))
{
- textype = TEXTYPE_DXT1A;
- flags |= TEXF_ALPHA;
+ if(r_texture_dds_load_alphamode.integer == 1)
+ {
+ // check alpha
+ for (i = 0;i < size;i += bytesperblock)
+ if (ddspixels[i+0] + ddspixels[i+1] * 256 <= ddspixels[i+2] + ddspixels[i+3] * 256)
+ {
+ // NOTE: this assumes sizeof(unsigned int) == 4
+ unsigned int data = * (unsigned int *) &(ddspixels[i+4]);
+ // check if data, in base 4, contains a digit 3 (DXT1: transparent pixel)
+ if(data & (data<<1) & 0xAAAAAAAA)//rgh
+ break;
+ }
+ if (i < size)
+ textype = TEXTYPE_DXT1A;
+ else
+ flags &= ~TEXF_ALPHA;
+ }
+ else
+ {
+ flags &= ~TEXF_ALPHA;
+ }
}
}
else if (!memcmp(dds+84, "DXT3", 4))
{
+ if(!vid.support.ext_texture_compression_s3tc)
+ {
+ Mem_Free(dds);
+ return NULL;
+ }
textype = TEXTYPE_DXT3;
bytesperblock = 16;
bytesperpixel = 0;
Con_Printf("^1%s: invalid DXT3 DDS image\n", filename);
return NULL;
}
- flags |= TEXF_ALPHA;
+ // we currently always assume alpha
}
else if (!memcmp(dds+84, "DXT5", 4))
{
+ if(!vid.support.ext_texture_compression_s3tc)
+ {
+ Mem_Free(dds);
+ return NULL;
+ }
textype = TEXTYPE_DXT5;
bytesperblock = 16;
bytesperpixel = 0;
Con_Printf("^1%s: invalid DXT5 DDS image\n", filename);
return NULL;
}
- flags |= TEXF_ALPHA;
+ // we currently always assume alpha
}
else
{
}
}
- if (dds_miplevels > 1)
+ // this is where we apply gl_picmip
+ mippixels = ddspixels;
+ mipwidth = dds_width;
+ mipheight = dds_height;
+ while(miplevel >= 1 && dds_miplevels >= 1)
+ {
+ if (mipwidth <= 1 && mipheight <= 1)
+ break;
+ mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
+ mippixels += mipsize; // just skip
+ --dds_miplevels;
+ --miplevel;
+ if (mipwidth > 1)
+ mipwidth >>= 1;
+ if (mipheight > 1)
+ mipheight >>= 1;
+ }
+
+ // when not requesting mipmaps, do not load them
+ if(!(flags & TEXF_MIPMAP))
+ dds_miplevels = 0;
+
+ if (dds_miplevels >= 1)
flags |= TEXF_MIPMAP;
else
flags &= ~TEXF_MIPMAP;
texinfo = R_GetTexTypeInfo(textype, flags);
- glt = (gltexture_t *)Mem_Alloc(texturemempool, sizeof(gltexture_t));
+ glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
strlcpy (glt->identifier, filename, sizeof(glt->identifier));
glt->pool = pool;
glt->chain = pool->gltchain;
pool->gltchain = glt;
- glt->inputwidth = dds_width;
- glt->inputheight = dds_height;
+ glt->inputwidth = mipwidth;
+ glt->inputheight = mipheight;
glt->inputdepth = 1;
glt->flags = flags;
glt->textype = texinfo;
glt->bytesperpixel = texinfo->internalbytesperpixel;
glt->sides = 1;
glt->gltexturetypeenum = gltexturetypeenums[glt->texturetype];
- glt->tilewidth = dds_width;
- glt->tileheight = dds_height;
+ glt->tilewidth = mipwidth;
+ glt->tileheight = mipheight;
glt->tiledepth = 1;
// texture uploading can take a while, so make sure we're sending keepalives
oldbindtexnum = R_Mesh_TexBound(0, gltexturetypeenums[glt->texturetype]);
qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
- mippixels = ddspixels;
- mipwidth = dds_width;
- mipheight = dds_height;
mipcomplete = false;
- for (mip = 0;mip < dds_miplevels+1;mip++)
+
+ for (mip = 0;mip <= dds_miplevels;mip++) // <= to include the not-counted "largest" miplevel
{
mipsize = bytesperblock ? ((mipwidth+3)/4)*((mipheight+3)/4)*bytesperblock : mipwidth*mipheight*bytesperpixel;
if (mippixels + mipsize > dds + ddssize)
if (mipheight > 1)
mipheight >>= 1;
}
- if (dds_miplevels > 1 && !mipcomplete)
+ if (dds_miplevels >= 1 && !mipcomplete)
{
// need to set GL_TEXTURE_MAX_LEVEL
qglTexParameteri(gltexturetypeenums[glt->texturetype], GL_TEXTURE_MAX_LEVEL, dds_miplevels - 1);CHECKGLERROR
R_Upload( glt, NULL, 0, 0, 0, glt->tilewidth, glt->tileheight, glt->tiledepth );
}
+
+int R_PicmipForFlags(int flags)
+{
+ int miplevel = 0;
+ if(flags & TEXF_PICMIP)
+ {
+ miplevel += gl_picmip.integer;
+ if (flags & TEXF_ISWORLD)
+ {
+ if (r_picmipworld.integer)
+ miplevel += gl_picmip_world.integer;
+ else
+ miplevel = 0;
+ }
+ else if (flags & TEXF_ISSPRITE)
+ {
+ if (r_picmipsprites.integer)
+ miplevel += gl_picmip_sprites.integer;
+ else
+ miplevel = 0;
+ }
+ else
+ miplevel += gl_picmip_other.integer;
+ }
+ return max(0, miplevel);
+}