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};
+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};
typedef enum gltexturetype_e
{
case TEXTYPE_BGRA:
return &textype_bgra;
case TEXTYPE_SHADOWMAP:
- return &textype_shadowmap;
- case TEXTYPE_PROJECTION:
- return &textype_projection;
+ return (flags & TEXF_LOWPRECISION) ? &textype_shadowmap16 : &textype_shadowmap24;
default:
Host_Error("R_GetTexTypeInfo: unknown texture format");
return NULL;
}
}
-static void R_UploadTexture(gltexture_t *t);
-
-static void R_PrecacheTexture(gltexture_t *glt)
-{
- int precache;
- precache = false;
- if (glt->flags & TEXF_ALWAYSPRECACHE)
- precache = true;
- else if (r_precachetextures.integer >= 2)
- precache = true;
- else if (r_precachetextures.integer >= 1)
- if (glt->flags & TEXF_PRECACHE)
- precache = true;
-
- if (precache)
- R_UploadTexture(glt);
-}
-
-int R_RealGetTexture(rtexture_t *rt)
-{
- if (rt)
- {
- gltexture_t *glt;
- glt = (gltexture_t *)rt;
- if (glt->flags & GLTEXF_DYNAMIC)
- R_UpdateDynamicTexture(glt);
- if (glt->flags & GLTEXF_UPLOAD)
- R_UploadTexture(glt);
-
- return glt->texnum;
- }
- else
- return 0;
-}
-
void R_PurgeTexture(rtexture_t *rt)
{
if(rt && !(((gltexture_t*) rt)->flags & TEXF_PERSISTENT)) {
if (textype == TEXTYPE_SHADOWMAP)
{
- if (flags & TEXF_COMPARE)
+ if (gl_support_arb_shadow)
{
- qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);CHECKGLERROR
+ if (flags & TEXF_COMPARE)
+ {
+ qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);CHECKGLERROR
+ }
+ else
+ {
+ qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);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
+ qglTexParameteri(textureenum, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);CHECKGLERROR
}
CHECKGLERROR
qglBindTexture(gltexturetypeenums[glt->texturetype], oldbindtexnum);CHECKGLERROR
}
-static void R_UploadTexture (gltexture_t *glt)
+int R_RealGetTexture(rtexture_t *rt)
{
- if (!(glt->flags & GLTEXF_UPLOAD))
- return;
-
- CHECKGLERROR
- qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
- R_Upload(glt, glt->inputtexels, 0, 0, 0, glt->inputwidth, glt->inputheight, glt->inputdepth);
- if (glt->inputtexels)
+ if (rt)
{
- Mem_Free(glt->inputtexels);
- glt->inputtexels = NULL;
- glt->flags |= GLTEXF_DESTROYED;
+ gltexture_t *glt;
+ glt = (gltexture_t *)rt;
+ if (glt->flags & GLTEXF_DYNAMIC)
+ R_UpdateDynamicTexture(glt);
+ if (glt->flags & GLTEXF_UPLOAD)
+ {
+ CHECKGLERROR
+ qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
+ R_Upload(glt, glt->inputtexels, 0, 0, 0, glt->inputwidth, glt->inputheight, glt->inputdepth);
+ if (glt->inputtexels)
+ {
+ Mem_Free(glt->inputtexels);
+ glt->inputtexels = NULL;
+ glt->flags |= GLTEXF_DESTROYED;
+ }
+ else if (glt->flags & GLTEXF_DESTROYED)
+ Con_Printf("R_GetTexture: Texture %s already uploaded and destroyed. Can not upload original image again. Uploaded blank texture.\n", glt->identifier);
+ }
+
+ return glt->texnum;
}
- else if (glt->flags & GLTEXF_DESTROYED)
- Con_Printf("R_UploadTexture: Texture %s already uploaded and destroyed. Can not upload original image again. Uploaded blank texture.\n", glt->identifier);
+ else
+ return 0;
}
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)
gltexture_t *glt;
gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
textypeinfo_t *texinfo;
+ int precache;
if (cls.state == ca_dedicated)
return NULL;
}
break;
case TEXTYPE_SHADOWMAP:
- case TEXTYPE_PROJECTION:
break;
default:
Host_Error("R_LoadTexture: unknown texture type");
glt->updatecallback = NULL;
glt->updatacallback_data = NULL;
- if (data)
+ GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth);
+
+ precache = false;
+ if (glt->flags & TEXF_ALWAYSPRECACHE)
+ precache = true;
+ else if (r_precachetextures.integer >= 2)
+ precache = true;
+ else if (r_precachetextures.integer >= 1)
+ if (glt->flags & TEXF_PRECACHE)
+ precache = true;
+
+ if (precache)
{
- glt->inputtexels = (unsigned char *)Mem_Alloc(texturemempool, size);
- memcpy(glt->inputtexels, data, size);
+ // immediate upload (most common case)
+ // data may be NULL (blank texture for dynamic rendering)
+ CHECKGLERROR
+ qglGenTextures(1, (GLuint *)&glt->texnum);CHECKGLERROR
+ R_Upload(glt, data, 0, 0, 0, glt->inputwidth, glt->inputheight, glt->inputdepth);
+ }
+ else if (data)
+ {
+ // deferred texture upload (menu graphics)
+ // optimize first if possible
+ if ((textype == TEXTYPE_BGRA || textype == TEXTYPE_RGBA) && glt->inputwidth * glt->inputheight * glt->inputdepth > glt->tilewidth * glt->tileheight * glt->tiledepth)
+ {
+ glt->inputtexels = (unsigned char *)Mem_Alloc(texturemempool, glt->tilewidth*glt->tileheight*glt->tiledepth*glt->sides*glt->bytesperpixel);
+ Image_Resample32(data, glt->inputwidth, glt->inputheight, glt->inputdepth, glt->inputtexels, glt->tilewidth, glt->tileheight, glt->tiledepth, r_lerpimages.integer);
+ // change texture size accordingly
+ glt->inputwidth = glt->tilewidth;
+ glt->inputheight = glt->tileheight;
+ glt->inputdepth = glt->tiledepth;
+ GL_Texture_CalcImageSize(glt->texturetype, glt->flags, glt->inputwidth, glt->inputheight, glt->inputdepth, &glt->tilewidth, &glt->tileheight, &glt->tiledepth);
+ }
+ else
+ {
+ glt->inputtexels = (unsigned char *)Mem_Alloc(texturemempool, size);
+ memcpy(glt->inputtexels, data, size);
+ }
}
- else
- glt->inputtexels = 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 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)
+static int R_ShadowMapTextureFlags(int precision, 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);
+ int flags = TEXF_ALWAYSPRECACHE | TEXF_CLAMP;
+ if (filter)
+ flags |= TEXF_FORCELINEAR | TEXF_COMPARE;
+ else
+ flags |= TEXF_FORCENEAREST;
+ if (precision <= 16)
+ flags |= TEXF_LOWPRECISION;
+ return flags;
}
-rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, 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, TEXF_ALWAYSPRECACHE | TEXF_CLAMP | (filter ? TEXF_FORCELINEAR | TEXF_COMPARE : TEXF_FORCENEAREST), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_2D, NULL, NULL);
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, R_ShadowMapTextureFlags(precision, filter), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_RECTANGLE, NULL, NULL);
}
-rtexture_t *R_LoadTextureShadowMapCube(rtexturepool_t *rtexturepool, const char *identifier, int width, qboolean filter)
+rtexture_t *R_LoadTextureShadowMap2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int precision, 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);
+ return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, R_ShadowMapTextureFlags(precision, filter), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_2D, NULL, NULL);
}
-rtexture_t *R_LoadTextureCubeProjection(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int size, int border)
+rtexture_t *R_LoadTextureShadowMapCube(rtexturepool_t *rtexturepool, const char *identifier, int width, int precision, qboolean filter)
{
- // 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;
+ return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, R_ShadowMapTextureFlags(precision, filter), TEXTYPE_SHADOWMAP, GLTEXTURETYPE_CUBEMAP, NULL, NULL);
}
int R_TextureHasAlpha(rtexture_t *rt)
Host_Error("R_UpdateTexture: no texture supplied");
if (data == NULL)
Host_Error("R_UpdateTexture: no data supplied");
- glt = (gltexture_t *)rt;
// we need it to be uploaded before we can update a part of it
- if (glt->flags & GLTEXF_UPLOAD)
- R_UploadTexture(glt);
+ R_RealGetTexture(rt);
// update part of the texture
+ glt = (gltexture_t *)rt;
R_Upload(glt, data, x, y, 0, width, height, 1);
}
projects / xonotic / darkplaces.git / blobdiff