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_color = {CVAR_SAVE, "gl_texturecompression_color", "1", "whether to compress colormap (diffuse) textures"};
-cvar_t gl_texturecompression_normal = {CVAR_SAVE, "gl_texturecompression_normal", "1", "whether to compress normalmap (normalmap) textures"};
+cvar_t gl_texturecompression_normal = {CVAR_SAVE, "gl_texturecompression_normal", "0", "whether to compress normalmap (normalmap) textures"};
cvar_t gl_texturecompression_gloss = {CVAR_SAVE, "gl_texturecompression_gloss", "1", "whether to compress glossmap (specular) textures"};
cvar_t gl_texturecompression_glow = {CVAR_SAVE, "gl_texturecompression_glow", "1", "whether to compress glowmap (luma) textures"};
-cvar_t gl_texturecompression_2d = {CVAR_SAVE, "gl_texturecompression_2d", "1", "whether to compress 2d (hud/menu) textures other than the font"};
-cvar_t gl_texturecompression_q3bsplightmaps = {CVAR_SAVE, "gl_texturecompression_q3bsplightmaps", "1", "whether to compress lightmaps in q3bsp format levels"};
-cvar_t gl_texturecompression_q3bspdeluxemaps = {CVAR_SAVE, "gl_texturecompression_q3bspdeluxemaps", "1", "whether to compress deluxemaps in q3bsp format levels (only levels compiled with q3map2 -deluxe have these)"};
+cvar_t gl_texturecompression_2d = {CVAR_SAVE, "gl_texturecompression_2d", "0", "whether to compress 2d (hud/menu) textures other than the font"};
+cvar_t gl_texturecompression_q3bsplightmaps = {CVAR_SAVE, "gl_texturecompression_q3bsplightmaps", "0", "whether to compress lightmaps in q3bsp format levels"};
+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)"};
float glinternalbytesperpixel;
int glformat;
int glinternalformat;
+ int gltype;
}
textypeinfo_t;
-static textypeinfo_t textype_palette = {TEXTYPE_PALETTE, 1, 4, 4.0f, GL_BGRA , 3};
-static textypeinfo_t textype_palette_alpha = {TEXTYPE_PALETTE, 1, 4, 4.0f, GL_BGRA , 4};
-static textypeinfo_t textype_palette_compress = {TEXTYPE_PALETTE, 1, 4, 0.5f, GL_BGRA , GL_COMPRESSED_RGB_ARB};
-static textypeinfo_t textype_palette_alpha_compress = {TEXTYPE_PALETTE, 1, 4, 1.0f, GL_BGRA , GL_COMPRESSED_RGBA_ARB};
-static textypeinfo_t textype_rgba = {TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGBA , 3};
-static textypeinfo_t textype_rgba_alpha = {TEXTYPE_RGBA , 4, 4, 4.0f, GL_RGBA , 4};
-static textypeinfo_t textype_rgba_compress = {TEXTYPE_RGBA , 4, 4, 0.5f, GL_RGBA , GL_COMPRESSED_RGB_ARB};
-static textypeinfo_t textype_rgba_alpha_compress = {TEXTYPE_RGBA , 4, 4, 1.0f, GL_RGBA , GL_COMPRESSED_RGBA_ARB};
-static textypeinfo_t textype_bgra = {TEXTYPE_BGRA , 4, 4, 4.0f, GL_BGRA , 3};
-static textypeinfo_t textype_bgra_alpha = {TEXTYPE_BGRA , 4, 4, 4.0f, GL_BGRA , 4};
-static textypeinfo_t textype_bgra_compress = {TEXTYPE_BGRA , 4, 4, 0.5f, GL_BGRA , GL_COMPRESSED_RGB_ARB};
-static textypeinfo_t textype_bgra_alpha_compress = {TEXTYPE_BGRA , 4, 4, 1.0f, GL_BGRA , GL_COMPRESSED_RGBA_ARB};
-
-#define GLTEXTURETYPE_1D 0
-#define GLTEXTURETYPE_2D 1
-#define GLTEXTURETYPE_3D 2
-#define GLTEXTURETYPE_CUBEMAP 3
-
-static int gltexturetypeenums[4] = {GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_CUBE_MAP_ARB};
-static int gltexturetypebindingenums[4] = {GL_TEXTURE_BINDING_1D, GL_TEXTURE_BINDING_2D, GL_TEXTURE_BINDING_3D, GL_TEXTURE_BINDING_CUBE_MAP_ARB};
-static int gltexturetypedimensions[4] = {1, 2, 3, 2};
+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_palette_compress = {TEXTYPE_PALETTE, 1, 4, 0.5f, GL_BGRA , GL_COMPRESSED_RGB_ARB, GL_UNSIGNED_BYTE};
+static textypeinfo_t textype_palette_alpha_compress = {TEXTYPE_PALETTE, 1, 4, 1.0f, GL_BGRA , GL_COMPRESSED_RGBA_ARB, 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_shadowmap = {TEXTYPE_SHADOWMAP,4,4, 4.0f, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT24_ARB, GL_UNSIGNED_INT};
+static textypeinfo_t textype_projection = {TEXTYPE_PROJECTION,4,4,4.0f, GL_LUMINANCE_ALPHA, GL_LUMINANCE16_ALPHA16, GL_UNSIGNED_SHORT};
+
+typedef enum gltexturetype_e
+{
+ GLTEXTURETYPE_1D,
+ GLTEXTURETYPE_2D,
+ GLTEXTURETYPE_3D,
+ GLTEXTURETYPE_CUBEMAP,
+ GLTEXTURETYPE_RECTANGLE,
+ GLTEXTURETYPE_TOTAL
+}
+gltexturetype_t;
+
+static int gltexturetypeenums[GLTEXTURETYPE_TOTAL] = {GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_RECTANGLE_ARB};
+static int gltexturetypebindingenums[GLTEXTURETYPE_TOTAL] = {GL_TEXTURE_BINDING_1D, GL_TEXTURE_BINDING_2D, GL_TEXTURE_BINDING_3D, GL_TEXTURE_BINDING_CUBE_MAP_ARB, GL_TEXTURE_BINDING_RECTANGLE_ARB};
+static int gltexturetypedimensions[GLTEXTURETYPE_TOTAL] = {1, 2, 3, 2, 2};
static int cubemapside[6] =
{
GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
int sides;
// bytes per pixel
int bytesperpixel;
- // GL_RGB or GL_RGBA
+ // GL_RGB or GL_RGBA or GL_DEPTH_COMPONENT
int glformat;
// 3 or 4
int glinternalformat;
+ // GL_UNSIGNED_BYTE or GL_UNSIGNED_INT or GL_UNSIGNED_SHORT or GL_FLOAT
+ int gltype;
}
gltexture_t;
return &textype_rgba;
case TEXTYPE_BGRA:
return &textype_bgra;
+ case TEXTYPE_SHADOWMAP:
+ return &textype_shadowmap;
+ case TEXTYPE_PROJECTION:
+ return &textype_projection;
default:
Host_Error("R_GetTexTypeInfo: unknown texture format");
return NULL;
if( !glt->dirtytexnum && glt->flags & GLTEXF_DYNAMIC ) {
glt->dirtytexnum = glt->texnum;
// mark it as dirty, so R_RealGetTexture gets called
- glt->texnum = -1;
+ glt->texnum = 0;
}
}
else
Host_Error("R_FreeTexture: texture \"%s\" not linked in pool", glt->identifier);
- if (glt->texnum)
+ if (!(glt->flags & GLTEXF_UPLOAD))
{
CHECKGLERROR
qglDeleteTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
Con_Printf("%c%4i%c%c%4i%c %s %s %s %s\n", isloaded ? '[' : ' ', (glsize + 1023) / 1024, isloaded ? ']' : ' ', glt->inputtexels ? '[' : ' ', (glt->inputdatasize + 1023) / 1024, glt->inputtexels ? ']' : ' ', isloaded ? "loaded" : " ", (glt->flags & TEXF_MIPMAP) ? "mip" : " ", (glt->flags & TEXF_ALPHA) ? "alpha" : " ", glt->identifier);
}
if (printpool)
- Con_Printf("texturepool %10p total: %i (%.3fMB, %.3fMB original), uploaded %i (%.3fMB, %.3fMB original), upload on demand %i (%.3fMB, %.3fMB original)\n", 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);
+ 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);
sumtotal += pooltotal;
sumtotalt += pooltotalt;
sumtotalp += pooltotalp;
}
}
-static void GL_SetupTextureParameters(int flags, int texturetype)
+static void GL_SetupTextureParameters(int flags, textype_t textype, int texturetype)
{
int textureenum = gltexturetypeenums[texturetype];
int wrapmode = ((flags & TEXF_CLAMP) && gl_support_clamptoedge) ? GL_CLAMP_TO_EDGE : GL_REPEAT;
qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, gl_filter_mag);CHECKGLERROR
}
+ if (textype == TEXTYPE_SHADOWMAP)
+ {
+ if (flags & TEXF_COMPARE)
+ {
+ qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);CHECKGLERROR
+ qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);CHECKGLERROR
+ }
+ else
+ {
+ qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);CHECKGLERROR
+ qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_FUNC_ARB, GL_ALWAYS);CHECKGLERROR
+ }
+ qglTexParameteri(textureenum, GL_DEPTH_TEXTURE_MODE_ARB, GL_INTENSITY);CHECKGLERROR
+ }
+
CHECKGLERROR
}
qglBindTexture(gltexturetypeenums[glt->texturetype], glt->texnum);CHECKGLERROR
// these are rounded up versions of the size to do better resampling
- if (gl_support_arb_texture_non_power_of_two)
+ if (gl_support_arb_texture_non_power_of_two || glt->texturetype == GLTEXTURETYPE_RECTANGLE)
{
width = glt->inputwidth;
height = glt->inputheight;
switch(glt->texturetype)
{
case GLTEXTURETYPE_1D:
- qglTexSubImage1D(GL_TEXTURE_1D, 0, fragx, fragwidth, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexSubImage1D(GL_TEXTURE_1D, 0, fragx, fragwidth, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
break;
case GLTEXTURETYPE_2D:
- qglTexSubImage2D(GL_TEXTURE_2D, 0, fragx, fragy, fragwidth, fragheight, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexSubImage2D(GL_TEXTURE_2D, 0, fragx, fragy, fragwidth, fragheight, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
break;
case GLTEXTURETYPE_3D:
- qglTexSubImage3D(GL_TEXTURE_3D, 0, fragx, fragy, fragz, fragwidth, fragheight, fragdepth, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexSubImage3D(GL_TEXTURE_3D, 0, fragx, fragy, fragz, fragwidth, fragheight, fragdepth, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
break;
default:
Host_Error("R_Upload: partial update of type other than 1D, 2D, or 3D");
switch(glt->texturetype)
{
case GLTEXTURETYPE_1D:
- qglTexImage1D(GL_TEXTURE_1D, mip++, glt->glinternalformat, width, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage1D(GL_TEXTURE_1D, mip++, glt->glinternalformat, width, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
if (glt->flags & TEXF_MIPMAP)
{
while (width > 1 || height > 1 || depth > 1)
{
Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
prevbuffer = resizebuffer;
- qglTexImage1D(GL_TEXTURE_1D, mip++, glt->glinternalformat, width, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage1D(GL_TEXTURE_1D, mip++, glt->glinternalformat, width, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
}
}
break;
case GLTEXTURETYPE_2D:
- qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
if (glt->flags & TEXF_MIPMAP)
{
while (width > 1 || height > 1 || depth > 1)
{
Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
prevbuffer = resizebuffer;
- qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage2D(GL_TEXTURE_2D, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
}
}
break;
case GLTEXTURETYPE_3D:
- qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
if (glt->flags & TEXF_MIPMAP)
{
while (width > 1 || height > 1 || depth > 1)
{
Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
prevbuffer = resizebuffer;
- qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage3D(GL_TEXTURE_3D, mip++, glt->glinternalformat, width, height, depth, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
}
}
break;
prevbuffer = resizebuffer;
}
mip = 0;
- qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
if (glt->flags & TEXF_MIPMAP)
{
while (width > 1 || height > 1 || depth > 1)
{
Image_MipReduce32(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1);
prevbuffer = resizebuffer;
- qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, GL_UNSIGNED_BYTE, prevbuffer);CHECKGLERROR
+ qglTexImage2D(cubemapside[i], mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, prevbuffer);CHECKGLERROR
}
}
}
break;
+ case GLTEXTURETYPE_RECTANGLE:
+ qglTexImage2D(GL_TEXTURE_RECTANGLE_ARB, mip++, glt->glinternalformat, width, height, 0, glt->glformat, glt->gltype, NULL);CHECKGLERROR
+ break;
}
- GL_SetupTextureParameters(glt->flags, glt->texturetype);
+ GL_SetupTextureParameters(glt->flags, glt->textype->textype, glt->texturetype);
}
qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
}
if (cls.state == ca_dedicated)
return NULL;
+ if (texturetype == GLTEXTURETYPE_RECTANGLE && !gl_texturerectangle)
+ {
+ Con_Printf ("R_LoadTexture: rectangle texture not supported by driver\n");
+ return NULL;
+ }
if (texturetype == GLTEXTURETYPE_CUBEMAP && !gl_texturecubemap)
{
Con_Printf ("R_LoadTexture: cubemap texture not supported by driver\n");
}
}
break;
+ case TEXTYPE_SHADOWMAP:
+ case TEXTYPE_PROJECTION:
+ break;
default:
Host_Error("R_LoadTexture: unknown texture type");
}
glt->palette = palette;
glt->glinternalformat = texinfo->glinternalformat;
glt->glformat = texinfo->glformat;
+ glt->gltype = texinfo->gltype;
glt->bytesperpixel = texinfo->internalbytesperpixel;
glt->sides = glt->texturetype == GLTEXTURETYPE_CUBEMAP ? 6 : 1;
- glt->texnum = -1;
+ glt->texnum = 0;
// init the dynamic texture attributes, too [11/22/2007 Black]
glt->dirtytexnum = 0;
glt->updatecallback = NULL;
GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth);
R_PrecacheTexture(glt);
+ // texture converting and uploading can take a while, so make sure we're sending keepalives
+ CL_KeepaliveMessage(false);
+
return (rtexture_t *)glt;
}
return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, flags, textype, GLTEXTURETYPE_CUBEMAP, data, palette);
}
+rtexture_t *R_LoadTextureShadowMapRectangle(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, qboolean filter)
+{
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, TEXF_ALWAYSPRECACHE | TEXF_CLAMP | (filter ? TEXF_FORCELINEAR | TEXF_COMPARE : TEXF_FORCENEAREST), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_RECTANGLE, NULL, NULL);
+}
+
+rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, qboolean filter)
+{
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, TEXF_ALWAYSPRECACHE | TEXF_CLAMP | (filter ? TEXF_FORCELINEAR | TEXF_COMPARE : TEXF_FORCENEAREST), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_2D, NULL, NULL);
+}
+
+rtexture_t *R_LoadTextureShadowMapCube(rtexturepool_t *rtexturepool, const char *identifier, int width, qboolean filter)
+{
+ return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, TEXF_ALWAYSPRECACHE | TEXF_CLAMP | TEXF_COMPARE | (filter ? TEXF_FORCELINEAR : TEXF_FORCENEAREST), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_CUBEMAP, NULL, NULL);
+}
+
+rtexture_t *R_LoadTextureCubeProjection(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int size, int border)
+{
+ // maps to a 2x3 texture rectangle with normalized coordinates (must be scaled by size after lookup)
+ // +-
+ // XX
+ // YY
+ // ZZ
+ rtexture_t *projection;
+ unsigned short *data, *texel;
+ unsigned int sizebits = 0, stepbits = 0, res, i, j, k;
+ while ((1 << sizebits) < size) sizebits++;
+ while ((1 << stepbits) <= border) stepbits++;
+ stepbits = min(stepbits, sizebits);
+ res = size>>stepbits;
+ stepbits += 16 - sizebits - 1;
+ data = (unsigned short *)Mem_Alloc(texturemempool, 2*sizeof(unsigned short)*res*res*6);
+ texel = data;
+ for (i = 0;i < 6;i++)
+ {
+ unsigned int x = (i%2)<<16, y = (i/2)<<16;
+ for (j = 0;j < res;j++)
+ {
+ for (k = 0;k < res;k++)
+ {
+ *texel++ = (x + ((2*k + 1)<<stepbits))/width;
+ *texel++ = (y + ((2*j + 1)<<stepbits))/height;
+ }
+ }
+ }
+ projection = R_SetupTexture(rtexturepool, identifier, res, res, 1, 6, TEXF_ALWAYSPRECACHE | TEXF_FORCELINEAR | TEXF_CLAMP, TEXTYPE_PROJECTION, GLTEXTURETYPE_CUBEMAP, (unsigned char *)data, NULL);
+ Mem_Free(data);
+ return projection;
+}
+
int R_TextureHasAlpha(rtexture_t *rt)
{
return rt ? (((gltexture_t *)rt)->flags & TEXF_ALPHA) != 0 : false;
R_Upload(glt, data, x, y, 0, width, height, 1);
}
+void R_ClearTexture (rtexture_t *rt)
+{
+ gltexture_t *glt = (gltexture_t *)rt;
+
+ R_Upload( glt, NULL, 0, 0, 0, glt->tilewidth, glt->tileheight, glt->tiledepth );
+}
projects / xonotic / darkplaces.git / blobdiff