// note: this must not conflict with TEXF_ flags in r_textures.h
// cleared when a texture is uploaded
#define GLTEXF_UPLOAD 0x00010000
-// texture generated by code, also causes permanent GLTEXF_UPLOAD effect
-#define GLTEXF_PROCEDURAL 0x00020000
// bitmask for mismatch checking
-#define GLTEXF_IMPORTANTBITS (GLTEXF_PROCEDURAL)
+#define GLTEXF_IMPORTANTBITS (0)
// set when image is uploaded and freed
#define GLTEXF_DESTROYED 0x00040000
// size of images which hold fragment textures, ignores picmip and max_size
-//#define BLOCK_SIZE 256
static int block_size;
// really this number only governs gltexnuminuse
typedef struct gltexture_s
{
+ // this field is exposed to the R_GetTexture macro, for speed reasons
+ // (must be identical in rtexture_t)
+ int texnum; // GL texture slot number
+
// pointer to texturepool (check this to see if the texture is allocated)
struct gltexturepool_s *pool;
// pointer to next texture in texturepool chain
qbyte *inputtexels;
// to identify cache mismatchs (this might be removed someday)
int crc;
- // flags supplied to the LoadTexture/ProceduralTexture functions
+ // flags supplied to the LoadTexture function
// (might be altered to remove TEXF_ALPHA), and GLTEXF_ private flags
int flags;
- // procedural texture generation function, called once per frame if the texture is used
- int (*generate)(qbyte *buffer, int width, int height, void *parameterdata, int parameterdatasize);
- // data provided to generate, persistent from call to call
- qbyte *proceduraldata;
- // size of data
- int proceduraldatasize;
- // used only to avoid updating the texture more than once per frame
- int proceduralframecount;
// pointer to one of the textype_ structs
textypeinfo_t *textype;
}
R_UploadTexture(glt);
}
-int R_GetTexture(rtexture_t *rt)
+int R_RealGetTexture(rtexture_t *rt)
{
- gltexture_t *glt;
- if (!rt)
- return 0;
- glt = (gltexture_t *)rt;
- if (glt->flags & (GLTEXF_UPLOAD | GLTEXF_PROCEDURAL))
+ if (rt)
{
- if (glt->flags & GLTEXF_PROCEDURAL)
- {
- if (glt->proceduralframecount != r_framecount)
- {
- glt->proceduralframecount = r_framecount;
- R_UploadTexture(glt);
- }
- }
- else
+ gltexture_t *glt;
+ glt = (gltexture_t *)rt;
+ if (glt->flags & GLTEXF_UPLOAD)
R_UploadTexture(glt);
+ glt->texnum = glt->image->texnum;
+ return glt->image->texnum;
}
- return glt->image->texnum;
+ else
+ return 0;
}
void R_FreeTexture(rtexture_t *rt)
Mem_Free(glt->identifier);
if (glt->inputtexels)
Mem_Free(glt->inputtexels);
- if (glt->proceduraldata)
- Mem_Free(glt->proceduraldata);
Mem_Free(glt);
}
for (glt = pool->gltchain;glt;glt = glt->chain)
{
loaded = !(glt->flags & GLTEXF_UPLOAD);
- if (glt->flags & GLTEXF_PROCEDURAL)
- Con_Printf("%c%4i%c %4i PROC %s %s %s %s\n" , loaded ? '[' : ' ', (R_CalcTexelDataSize(glt) + 1023) / 1024, loaded ? ']' : ' ', (glt->width * glt->height * glt->textype->inputbytesperpixel + 1023) / 1024, loaded ? "loaded" : " ", (glt->flags & TEXF_MIPMAP) ? "mip" : " ", (glt->flags & TEXF_ALPHA) ? "alpha" : " ", glt->identifier ? glt->identifier : "<unnamed>");
- else
- Con_Printf("%c%4i%c%c%4i%c %04X %s %s %s %s\n", loaded ? '[' : ' ', (R_CalcTexelDataSize(glt) + 1023) / 1024, loaded ? ']' : ' ', glt->inputtexels ? '[' : ' ', (glt->width * glt->height * glt->textype->inputbytesperpixel + 1023) / 1024, glt->inputtexels ? ']' : ' ', glt->crc, loaded ? "loaded" : " ", (glt->flags & TEXF_MIPMAP) ? "mip" : " ", (glt->flags & TEXF_ALPHA) ? "alpha" : " ", glt->identifier ? glt->identifier : "<unnamed>");
+ Con_Printf("%c%4i%c%c%4i%c %04X %s %s %s %s\n", loaded ? '[' : ' ', (R_CalcTexelDataSize(glt) + 1023) / 1024, loaded ? ']' : ' ', glt->inputtexels ? '[' : ' ', (glt->width * glt->height * glt->textype->inputbytesperpixel + 1023) / 1024, glt->inputtexels ? ']' : ' ', glt->crc, loaded ? "loaded" : " ", (glt->flags & TEXF_MIPMAP) ? "mip" : " ", (glt->flags & TEXF_ALPHA) ? "alpha" : " ", glt->identifier ? glt->identifier : "<unnamed>");
}
Con_Printf("pool %10p\n", pool);
}
qglTexSubImage2D(GL_TEXTURE_2D, 0, glt->x, glt->y, glt->width, glt->height, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
CHECKGLERROR
+ glt->texnum = glt->image->texnum;
return;
}
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
CHECKGLERROR
}
+ glt->texnum = glt->image->texnum;
}
static void R_FindImageForTexture(gltexture_t *glt)
texinfo = glt->textype;
pool = glt->pool;
+ // remains -1 until uploaded
+ glt->texnum = -1;
+
x = 0;
y = 0;
w = glt->width;
continue;
if (image->glformat != texinfo->glformat || image->glinternalformat != texinfo->glinternalformat)
continue;
+ if (glt->width > image->width || glt->height > image->height)
+ continue;
// got a fragments texture, find a place in it if we can
- best = block_size;
- for (best = block_size, i = 0;i < block_size - w;i += texinfo->align)
+ for (best = image->width, i = 0;i < image->width - w;i += texinfo->align)
{
for (best2 = 0, j = 0;j < w;j++)
{
}
}
- if (best + h > block_size)
+ if (best + h > image->height)
continue;
for (i = 0;i < w;i++)
if (image == NULL)
Sys_Error("R_FindImageForTexture: ran out of memory\n");
image->type = GLIMAGETYPE_FRAGMENTS;
- image->width = block_size;
- image->height = block_size;
- image->blockallocation = Mem_Alloc(texturemempool, block_size * sizeof(short));
- memset(image->blockallocation, 0, block_size * sizeof(short));
+ // make sure the created image is big enough for the fragment
+ for (image->width = block_size;image->width < glt->width;image->width <<= 1);
+ for (image->height = block_size;image->height < glt->height;image->height <<= 1);
+ image->blockallocation = Mem_Alloc(texturemempool, image->width * sizeof(short));
+ memset(image->blockallocation, 0, image->width * sizeof(short));
x = 0;
y = 0;
// note: R_FindImageForTexture must be called before this
static void R_UploadTexture (gltexture_t *glt)
{
- if (!(glt->flags & (GLTEXF_UPLOAD | GLTEXF_PROCEDURAL)))
+ if (!(glt->flags & GLTEXF_UPLOAD))
return;
- if (glt->flags & GLTEXF_PROCEDURAL)
- {
- if (glt->generate)
- {
- if (texturebuffersize < glt->width * glt->height * glt->textype->inputbytesperpixel)
- {
- if (texturebuffer)
- Mem_Free(texturebuffer);
- texturebuffersize = glt->width * glt->height * glt->textype->inputbytesperpixel;
- texturebuffer = Mem_Alloc(textureprocessingmempool, texturebuffersize);
- }
-
- glt->generate(texturebuffer, glt->width, glt->height, (void *)glt->proceduraldata, glt->proceduraldatasize);
- }
- }
- else
+ R_Upload(glt, glt->inputtexels);
+ if (glt->inputtexels)
{
- R_Upload(glt, glt->inputtexels);
- if (glt->inputtexels)
- {
- Mem_Free(glt->inputtexels);
- glt->inputtexels = NULL;
- glt->flags |= GLTEXF_DESTROYED;
- }
- 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);
+ Mem_Free(glt->inputtexels);
+ glt->inputtexels = NULL;
+ glt->flags |= GLTEXF_DESTROYED;
}
+ 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);
}
-static gltexture_t *R_SetupTexture(gltexturepool_t *pool, char *identifier, int crc, int width, int height, int flags, textypeinfo_t *texinfo, qbyte *data, int (*generate)(qbyte *buffer, int width, int height, void *proceduraldata, int proceduraldatasize), void *proceduraldata, int proceduraldatasize)
+static gltexture_t *R_SetupTexture(gltexturepool_t *pool, char *identifier, int crc, int width, int height, int flags, textypeinfo_t *texinfo, qbyte *data)
{
gltexture_t *glt;
glt = Mem_Alloc(texturemempool, sizeof(gltexture_t));
else
glt->inputtexels = NULL;
- glt->generate = generate;
- glt->proceduraldatasize = proceduraldatasize;
- if (proceduraldatasize)
- {
- glt->proceduraldata = Mem_Alloc(texturemempool, proceduraldatasize);
- if (glt->proceduraldata == NULL)
- Sys_Error("R_SetupTexture: out of memory\n");
- }
- else
- glt->proceduraldata = NULL;
-
R_FindImageForTexture(glt);
R_PrecacheTexture(glt);
texinfo = R_GetTexTypeInfo(textype, flags);
if (flags & TEXF_FRAGMENT)
- {
- if (width > block_size || height > block_size)
- Host_Error("R_LoadTexture: fragment too big, must be no more than %dx%d\n", block_size, block_size);
if ((width * texinfo->internalbytesperpixel) & 3)
Host_Error("R_LoadTexture: incompatible width for fragment");
- }
// clear the alpha flag if the texture has no transparent pixels
switch(textype)
R_FreeTexture((rtexture_t *)glt);
}
- return (rtexture_t *)R_SetupTexture(pool, identifier, crc, width, height, flags | GLTEXF_UPLOAD, texinfo, data, NULL, NULL, 0);
-}
-
-rtexture_t *R_ProceduralTexture (rtexturepool_t *rtexturepool, char *identifier, int width, int height, int textype, int flags, int (*generate)(qbyte *buffer, int width, int height, void *proceduraldata, int proceduraldatasize), void *proceduraldata, int proceduraldatasize)
-{
- gltexture_t *glt;
- gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
- textypeinfo_t *texinfo;
-
- if (cls.state == ca_dedicated)
- return NULL;
-
- texinfo = R_GetTexTypeInfo(textype, flags);
-
- if (flags & TEXF_FRAGMENT)
- {
- if (width > block_size || height > block_size)
- Host_Error("R_ProceduralTexture: fragment too big, must be no more than %dx%d\n", block_size, block_size);
- if ((width * texinfo->internalbytesperpixel) & 3)
- Host_Error("R_ProceduralTexture: incompatible width for fragment");
- }
-
- // see if the texture is already present
- if (identifier && (glt = R_FindTexture(pool, identifier)))
- {
- if (width == glt->width && height == glt->height && texinfo == glt->textype && ((flags ^ glt->flags) & TEXF_IMPORTANTBITS) == 0 && ((flags ^ glt->flags) & GLTEXF_IMPORTANTBITS) == 0)
- {
- Con_Printf("R_LoadTexture: exact match with existing texture %s\n", identifier);
- return (rtexture_t *)glt; // exact match, use existing
- }
- Con_Printf("R_LoadTexture: cache mismatch, replacing old texture\n");
- R_FreeTexture((rtexture_t *)glt);
- }
-
- return (rtexture_t *)R_SetupTexture(pool, identifier, 0, width, height, flags | GLTEXF_PROCEDURAL | GLTEXF_UPLOAD, texinfo, NULL, generate, proceduraldata, proceduraldatasize);
+ return (rtexture_t *)R_SetupTexture(pool, identifier, crc, width, height, flags | GLTEXF_UPLOAD, texinfo, data);
}
int R_TextureHasAlpha(rtexture_t *rt)
projects / xonotic / darkplaces.git / blobdiff