+
#include "quakedef.h"
-cvar_t r_max_size = {0, "r_max_size", "2048"};
-cvar_t r_picmip = {0, "r_picmip", "0"};
+cvar_t r_max_size = {CVAR_SAVE, "r_max_size", "2048"};
+cvar_t r_max_scrapsize = {CVAR_SAVE, "r_max_scrapsize", "256"};
+cvar_t r_picmip = {CVAR_SAVE, "r_picmip", "0"};
cvar_t r_lerpimages = {CVAR_SAVE, "r_lerpimages", "1"};
cvar_t r_precachetextures = {CVAR_SAVE, "r_precachetextures", "1"};
-int gl_filter_min = GL_LINEAR_MIPMAP_LINEAR; //NEAREST;
+int gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
int gl_filter_mag = GL_LINEAR;
static mempool_t *texturemempool;
+static mempool_t *texturedatamempool;
+static mempool_t *textureprocessingmempool;
// 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
#define MAX_GLTEXTURES 65536
// since there is only one set of GL texture numbers, we have to track them
// globally, everything else is per texture pool
-static byte *gltexnuminuse;
+static qbyte *gltexnuminuse;
typedef struct
{
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
// location in the image, and size
int x, y, width, height;
// copy of the original texture supplied to the upload function, for re-uploading or deferred uploads (non-precached)
- byte *inputtexels;
+ 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)(byte *buffer, int width, int height, void *parameterdata, int parameterdatasize);
- // data provided to generate, persistent from call to call
- byte *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;
}
static gltexturepool_t *gltexturepoolchain = NULL;
-static byte *resamplerow1 = NULL, *resamplerow2 = NULL;
-static int resamplerowsize = 0;
-static byte *resizebuffer = NULL, *colorconvertbuffer;
+static qbyte *resizebuffer = NULL, *colorconvertbuffer;
static int resizebuffersize = 0;
-static byte *texturebuffer;
+static qbyte *texturebuffer;
static int texturebuffersize = 0;
static int realmaxsize = 0;
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;
}
-static void R_FreeTexture(gltexture_t *glt)
+void R_FreeTexture(rtexture_t *rt)
{
- gltexture_t **gltpointer;
+ gltexture_t *glt, **gltpointer;
gltextureimage_t *image, **gltimagepointer;
GLuint texnum;
+ glt = (gltexture_t *)rt;
+ if (glt == NULL)
+ Host_Error("R_FreeTexture: texture == NULL\n");
+
for (gltpointer = &glt->pool->gltchain;*gltpointer && *gltpointer != glt;gltpointer = &(*gltpointer)->chain);
if (*gltpointer == glt)
*gltpointer = glt->chain;
else
- Host_Error("R_FreeTexture: texture not linked in pool\n");
+ Host_Error("R_FreeTexture: texture \"%s\" not linked in pool\n", glt->identifier);
// note: if freeing a fragment texture, this will not make the claimed
// space available for new textures unless all other fragments in the
{
texnum = image->texnum;
gltexnuminuse[image->texnum] = 0;
- glDeleteTextures(1, &texnum);
+ qglDeleteTextures(1, &texnum);
}
if (image->blockallocation)
Mem_Free(image->blockallocation);
Mem_Free(glt->identifier);
if (glt->inputtexels)
Mem_Free(glt->inputtexels);
- if (glt->proceduraldata)
- Mem_Free(glt->proceduraldata);
Mem_Free(glt);
}
rtexturepool_t *R_AllocTexturePool(void)
{
gltexturepool_t *pool;
+ if (texturemempool == NULL)
+ return NULL;
pool = Mem_Alloc(texturemempool, sizeof(gltexturepool_t));
if (pool == NULL)
return NULL;
- //memset(pool, 0, sizeof(gltexturepool_t));
pool->next = gltexturepoolchain;
gltexturepoolchain = pool;
pool->sentinel = TEXTUREPOOL_SENTINEL;
else
Host_Error("R_FreeTexturePool: pool not linked\n");
while (pool->gltchain)
- R_FreeTexture(pool->gltchain);
+ R_FreeTexture((rtexture_t *)pool->gltchain);
+ if (pool->imagechain)
+ Sys_Error("R_FreeTexturePool: not all images freed\n");
Mem_Free(pool);
}
{"GL_LINEAR_MIPMAP_LINEAR", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR}
};
+extern int gl_backend_rebindtextures;
+
static void GL_TextureMode_f (void)
{
int i;
// only update already uploaded images
if (!(image->flags & GLTEXF_UPLOAD))
{
- glBindTexture(GL_TEXTURE_2D, image->texnum);
+ qglBindTexture(GL_TEXTURE_2D, image->texnum);
if (image->flags & TEXF_MIPMAP)
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
else
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
}
}
}
+ gl_backend_rebindtextures = true;
}
static int R_CalcTexelDataSize (gltexture_t *glt)
if (r_max_size.integer > realmaxsize)
Cvar_SetValue("r_max_size", realmaxsize);
// calculate final size
- width2 = 1;while (width2 < glt->width) width2 <<= 1;
- height2 = 1;while (height2 < glt->height) height2 <<= 1;
- width2 >>= (int) r_picmip.integer;
- height2 >>= (int) r_picmip.integer;
- while (width2 > (int) r_max_size.integer) width2 >>= 1;
- while (height2 > (int) r_max_size.integer) height2 >>= 1;
+ for (width2 = 1;width2 < glt->width;width2 <<= 1);
+ for (height2 = 1;height2 < glt->height;height2 <<= 1);
+ for (width2 >>= r_picmip.integer;width2 > r_max_size.integer;width2 >>= 1);
+ for (height2 >>= r_picmip.integer;height2 > r_max_size.integer;height2 >>= 1);
if (width2 < 1) width2 = 1;
if (height2 < 1) height2 = 1;
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);
}
static void r_textures_start(void)
{
// deal with size limits of various drivers (3dfx in particular)
- glGetIntegerv(GL_MAX_TEXTURE_SIZE, &realmaxsize);
+ qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &realmaxsize);
CHECKGLERROR
- texturemempool = Mem_AllocPool("Textures");
+ // use the largest scrap texture size we can (not sure if this is really a good idea)
+ for (block_size = 1;block_size < realmaxsize && block_size < r_max_scrapsize.integer;block_size <<= 1);
+
+ texturemempool = Mem_AllocPool("Texture Info");
+ texturedatamempool = Mem_AllocPool("Texture Storage (not yet uploaded)");
+ textureprocessingmempool = Mem_AllocPool("Texture Processing Buffers");
gltexnuminuse = Mem_Alloc(texturemempool, MAX_GLTEXTURES);
- //memset(gltexnuminuse, 0, MAX_GLTEXTURES);
}
static void r_textures_shutdown(void)
R_FreeTexturePool(&temp);
}
- /*
- if (resizebuffer) Mem_Free(resizebuffer);resizebuffer = NULL;
- if (colorconvertbuffer) Mem_Free(colorconvertbuffer);colorconvertbuffer = NULL;
- if (resamplerow1) Mem_Free(resamplerow1);resamplerow1 = NULL;
- if (resamplerow2) Mem_Free(resamplerow2);resamplerow2 = NULL;
- if (texturebuffer) Mem_Free(texturebuffer);texturebuffer = NULL;
- if (gltexnuminuse) Mem_Free(gltexnuminuse);gltexnuminuse = NULL;
- */
resizebuffersize = 0;
- resamplerowsize = 0;
texturebuffersize = 0;
resizebuffer = NULL;
colorconvertbuffer = NULL;
- resamplerow1 = NULL;
- resamplerow2 = NULL;
texturebuffer = NULL;
gltexnuminuse = NULL;
Mem_FreePool(&texturemempool);
+ Mem_FreePool(&texturedatamempool);
+ Mem_FreePool(&textureprocessingmempool);
}
static void r_textures_newmap(void)
{
Cmd_AddCommand ("gl_texturemode", &GL_TextureMode_f);
Cmd_AddCommand("r_texturestats", R_TextureStats_f);
+ Cvar_RegisterVariable (&r_max_scrapsize);
Cvar_RegisterVariable (&r_max_size);
Cvar_RegisterVariable (&r_picmip);
Cvar_RegisterVariable (&r_lerpimages);
R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap);
}
-static void R_ResampleTextureLerpLine (byte *in, byte *out, int inwidth, int outwidth, int bytesperpixel)
+void R_Textures_Frame (void)
{
- int j, xi, oldx = 0, f, fstep, endx, lerp;
- fstep = (int) (inwidth*65536.0f/outwidth);
- endx = (inwidth-1);
- if (bytesperpixel == 4)
- {
- for (j = 0,f = 0;j < outwidth;j++, f += fstep)
- {
- xi = f >> 16;
- if (xi != oldx)
- {
- in += (xi - oldx) * 4;
- oldx = xi;
- }
- if (xi < endx)
- {
- lerp = f & 0xFFFF;
- *out++ = (byte) ((((in[4] - in[0]) * lerp) >> 16) + in[0]);
- *out++ = (byte) ((((in[5] - in[1]) * lerp) >> 16) + in[1]);
- *out++ = (byte) ((((in[6] - in[2]) * lerp) >> 16) + in[2]);
- *out++ = (byte) ((((in[7] - in[3]) * lerp) >> 16) + in[3]);
- }
- else // last pixel of the line has no pixel to lerp to
- {
- *out++ = in[0];
- *out++ = in[1];
- *out++ = in[2];
- *out++ = in[3];
- }
- }
- }
- else if (bytesperpixel == 3)
- {
- for (j = 0,f = 0;j < outwidth;j++, f += fstep)
- {
- xi = f >> 16;
- if (xi != oldx)
- {
- in += (xi - oldx) * 3;
- oldx = xi;
- }
- if (xi < endx)
- {
- lerp = f & 0xFFFF;
- *out++ = (byte) ((((in[3] - in[0]) * lerp) >> 16) + in[0]);
- *out++ = (byte) ((((in[4] - in[1]) * lerp) >> 16) + in[1]);
- *out++ = (byte) ((((in[5] - in[2]) * lerp) >> 16) + in[2]);
- }
- else // last pixel of the line has no pixel to lerp to
- {
- *out++ = in[0];
- *out++ = in[1];
- *out++ = in[2];
- }
- }
- }
- else
- Sys_Error("R_ResampleTextureLerpLine: unsupported bytesperpixel %i\n", bytesperpixel);
-}
+ // could do procedural texture animation here, if we keep track of which
+ // textures were accessed this frame...
-/*
-================
-R_ResampleTexture
-================
-*/
-static void R_ResampleTexture (void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight, int bytesperpixel)
-{
- if (resamplerowsize < outwidth*4)
+ // free the resize buffers
+ resizebuffersize = 0;
+ if (resizebuffer)
{
- if (resamplerow1)
- Mem_Free(resamplerow1);
- if (resamplerow2)
- Mem_Free(resamplerow2);
- resamplerowsize = outwidth*4;
- resamplerow1 = Mem_Alloc(texturemempool, resamplerowsize);
- resamplerow2 = Mem_Alloc(texturemempool, resamplerowsize);
+ Mem_Free(resizebuffer);
+ resizebuffer = NULL;
}
-#define row1 resamplerow1
-#define row2 resamplerow2
- if (bytesperpixel == 4)
+ if (colorconvertbuffer)
{
- if (r_lerpimages.integer)
- {
- int i, j, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth4 = inwidth*4, outwidth4 = outwidth*4;
- byte *inrow, *out;
- out = outdata;
- fstep = (int) (inheight*65536.0f/outheight);
-
- inrow = indata;
- oldy = 0;
- R_ResampleTextureLerpLine (inrow, row1, inwidth, outwidth, bytesperpixel);
- R_ResampleTextureLerpLine (inrow + inwidth4, row2, inwidth, outwidth, bytesperpixel);
- for (i = 0, f = 0;i < outheight;i++,f += fstep)
- {
- yi = f >> 16;
- if (yi < endy)
- {
- lerp = f & 0xFFFF;
- if (yi != oldy)
- {
- inrow = (byte *)indata + inwidth4*yi;
- if (yi == oldy+1)
- memcpy(row1, row2, outwidth4);
- else
- R_ResampleTextureLerpLine (inrow, row1, inwidth, outwidth, bytesperpixel);
- R_ResampleTextureLerpLine (inrow + inwidth4, row2, inwidth, outwidth, bytesperpixel);
- oldy = yi;
- }
- j = outwidth - 4;
- while(j >= 0)
- {
-#define LERPBYTE(i) out[i] = (byte) ((((row2[i] - row1[i]) * lerp) >> 16) + row1[i])
- LERPBYTE( 0);
- LERPBYTE( 1);
- LERPBYTE( 2);
- LERPBYTE( 3);
- LERPBYTE( 4);
- LERPBYTE( 5);
- LERPBYTE( 6);
- LERPBYTE( 7);
- LERPBYTE( 8);
- LERPBYTE( 9);
- LERPBYTE(10);
- LERPBYTE(11);
- LERPBYTE(12);
- LERPBYTE(13);
- LERPBYTE(14);
- LERPBYTE(15);
- out += 16;
- row1 += 16;
- row2 += 16;
- j -= 4;
- }
- if (j & 2)
- {
- LERPBYTE( 0);
- LERPBYTE( 1);
- LERPBYTE( 2);
- LERPBYTE( 3);
- LERPBYTE( 4);
- LERPBYTE( 5);
- LERPBYTE( 6);
- LERPBYTE( 7);
- out += 8;
- row1 += 8;
- row2 += 8;
- }
- if (j & 1)
- {
- LERPBYTE( 0);
- LERPBYTE( 1);
- LERPBYTE( 2);
- LERPBYTE( 3);
- out += 4;
- row1 += 4;
- row2 += 4;
- }
- row1 -= outwidth4;
- row2 -= outwidth4;
- }
- else
- {
- if (yi != oldy)
- {
- inrow = (byte *)indata + inwidth4*yi;
- if (yi == oldy+1)
- memcpy(row1, row2, outwidth4);
- else
- R_ResampleTextureLerpLine (inrow, row1, inwidth, outwidth, bytesperpixel);
- oldy = yi;
- }
- memcpy(out, row1, outwidth4);
- }
- }
- }
- else
- {
- int i, j;
- unsigned frac, fracstep;
- // relies on int being 4 bytes
- int *inrow, *out;
- out = outdata;
-
- fracstep = inwidth*0x10000/outwidth;
- for (i = 0;i < outheight;i++)
- {
- inrow = (int *)indata + inwidth*(i*inheight/outheight);
- frac = fracstep >> 1;
- j = outwidth - 4;
- while (j >= 0)
- {
- out[0] = inrow[frac >> 16];frac += fracstep;
- out[1] = inrow[frac >> 16];frac += fracstep;
- out[2] = inrow[frac >> 16];frac += fracstep;
- out[3] = inrow[frac >> 16];frac += fracstep;
- out += 4;
- j -= 4;
- }
- if (j & 2)
- {
- out[0] = inrow[frac >> 16];frac += fracstep;
- out[1] = inrow[frac >> 16];frac += fracstep;
- out += 2;
- }
- if (j & 1)
- {
- out[0] = inrow[frac >> 16];frac += fracstep;
- out += 1;
- }
- }
- }
+ Mem_Free(colorconvertbuffer);
+ colorconvertbuffer = NULL;
}
- else if (bytesperpixel == 3)
- {
- if (r_lerpimages.integer)
- {
- int i, j, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth3 = inwidth * 3, outwidth3 = outwidth * 3;
- byte *inrow, *out;
- out = outdata;
- fstep = (int) (inheight*65536.0f/outheight);
-
- inrow = indata;
- oldy = 0;
- R_ResampleTextureLerpLine (inrow, row1, inwidth, outwidth, bytesperpixel);
- R_ResampleTextureLerpLine (inrow + inwidth3, row2, inwidth, outwidth, bytesperpixel);
- for (i = 0, f = 0;i < outheight;i++,f += fstep)
- {
- yi = f >> 16;
- if (yi < endy)
- {
- lerp = f & 0xFFFF;
- if (yi != oldy)
- {
- inrow = (byte *)indata + inwidth3*yi;
- if (yi == oldy+1)
- memcpy(row1, row2, outwidth3);
- else
- R_ResampleTextureLerpLine (inrow, row1, inwidth, outwidth, bytesperpixel);
- R_ResampleTextureLerpLine (inrow + inwidth3, row2, inwidth, outwidth, bytesperpixel);
- oldy = yi;
- }
- j = outwidth - 4;
- while(j >= 0)
- {
-#define LERPBYTE(i) out[i] = (byte) ((((row2[i] - row1[i]) * lerp) >> 16) + row1[i])
- LERPBYTE( 0);
- LERPBYTE( 1);
- LERPBYTE( 2);
- LERPBYTE( 3);
- LERPBYTE( 4);
- LERPBYTE( 5);
- LERPBYTE( 6);
- LERPBYTE( 7);
- LERPBYTE( 8);
- LERPBYTE( 9);
- LERPBYTE(10);
- LERPBYTE(11);
- out += 12;
- row1 += 12;
- row2 += 12;
- j -= 4;
- }
- if (j & 2)
- {
- LERPBYTE( 0);
- LERPBYTE( 1);
- LERPBYTE( 2);
- LERPBYTE( 3);
- LERPBYTE( 4);
- LERPBYTE( 5);
- out += 6;
- row1 += 6;
- row2 += 6;
- }
- if (j & 1)
- {
- LERPBYTE( 0);
- LERPBYTE( 1);
- LERPBYTE( 2);
- out += 3;
- row1 += 3;
- row2 += 3;
- }
- row1 -= outwidth3;
- row2 -= outwidth3;
- }
- else
- {
- if (yi != oldy)
- {
- inrow = (byte *)indata + inwidth3*yi;
- if (yi == oldy+1)
- memcpy(row1, row2, outwidth3);
- else
- R_ResampleTextureLerpLine (inrow, row1, inwidth, outwidth, bytesperpixel);
- oldy = yi;
- }
- memcpy(out, row1, outwidth3);
- }
- }
- }
- else
- {
- int i, j, f, inwidth3 = inwidth * 3;
- unsigned frac, fracstep;
- byte *inrow, *out;
- out = outdata;
-
- fracstep = inwidth*0x10000/outwidth;
- for (i = 0;i < outheight;i++)
- {
- inrow = (byte *)indata + inwidth3*(i*inheight/outheight);
- frac = fracstep >> 1;
- j = outwidth - 4;
- while (j >= 0)
- {
- f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
- f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
- f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
- f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
- j -= 4;
- }
- if (j & 2)
- {
- f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
- f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
- out += 2;
- }
- if (j & 1)
- {
- f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
- out += 1;
- }
- }
- }
- }
- else
- Sys_Error("R_ResampleTexture: unsupported bytesperpixel %i\n", bytesperpixel);
-#undef row1
-#undef row2
}
-// in can be the same as out
-static void R_MipReduce(byte *in, byte *out, int *width, int *height, int destwidth, int destheight, int bytesperpixel)
+void R_MakeResizeBufferBigger(int size)
{
- int x, y, nextrow;
- nextrow = *width * bytesperpixel;
- if (*width > destwidth)
+ if (resizebuffersize < size)
{
- *width >>= 1;
- if (*height > destheight)
- {
- // reduce both
- *height >>= 1;
- if (bytesperpixel == 4)
- {
- for (y = 0;y < *height;y++)
- {
- for (x = 0;x < *width;x++)
- {
- out[0] = (byte) ((in[0] + in[4] + in[nextrow ] + in[nextrow+4]) >> 2);
- out[1] = (byte) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
- out[2] = (byte) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
- out[3] = (byte) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
- out += 4;
- in += 8;
- }
- in += nextrow; // skip a line
- }
- }
- else if (bytesperpixel == 3)
- {
- for (y = 0;y < *height;y++)
- {
- for (x = 0;x < *width;x++)
- {
- out[0] = (byte) ((in[0] + in[3] + in[nextrow ] + in[nextrow+3]) >> 2);
- out[1] = (byte) ((in[1] + in[4] + in[nextrow+1] + in[nextrow+4]) >> 2);
- out[2] = (byte) ((in[2] + in[5] + in[nextrow+2] + in[nextrow+5]) >> 2);
- out += 3;
- in += 6;
- }
- in += nextrow; // skip a line
- }
- }
- else
- Sys_Error("R_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
- }
- else
- {
- // reduce width
- if (bytesperpixel == 4)
- {
- for (y = 0;y < *height;y++)
- {
- for (x = 0;x < *width;x++)
- {
- out[0] = (byte) ((in[0] + in[4]) >> 1);
- out[1] = (byte) ((in[1] + in[5]) >> 1);
- out[2] = (byte) ((in[2] + in[6]) >> 1);
- out[3] = (byte) ((in[3] + in[7]) >> 1);
- out += 4;
- in += 8;
- }
- }
- }
- else if (bytesperpixel == 3)
- {
- for (y = 0;y < *height;y++)
- {
- for (x = 0;x < *width;x++)
- {
- out[0] = (byte) ((in[0] + in[3]) >> 1);
- out[1] = (byte) ((in[1] + in[4]) >> 1);
- out[2] = (byte) ((in[2] + in[5]) >> 1);
- out += 3;
- in += 6;
- }
- }
- }
- else
- Sys_Error("R_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
- }
- }
- else
- {
- if (*height > destheight)
- {
- // reduce height
- *height >>= 1;
- if (bytesperpixel == 4)
- {
- for (y = 0;y < *height;y++)
- {
- for (x = 0;x < *width;x++)
- {
- out[0] = (byte) ((in[0] + in[nextrow ]) >> 1);
- out[1] = (byte) ((in[1] + in[nextrow+1]) >> 1);
- out[2] = (byte) ((in[2] + in[nextrow+2]) >> 1);
- out[3] = (byte) ((in[3] + in[nextrow+3]) >> 1);
- out += 4;
- in += 4;
- }
- in += nextrow; // skip a line
- }
- }
- else if (bytesperpixel == 3)
- {
- for (y = 0;y < *height;y++)
- {
- for (x = 0;x < *width;x++)
- {
- out[0] = (byte) ((in[0] + in[nextrow ]) >> 1);
- out[1] = (byte) ((in[1] + in[nextrow+1]) >> 1);
- out[2] = (byte) ((in[2] + in[nextrow+2]) >> 1);
- out += 3;
- in += 3;
- }
- in += nextrow; // skip a line
- }
- }
- else
- Sys_Error("R_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
- }
- else
- Sys_Error("R_MipReduce: desired size already achieved\n");
+ resizebuffersize = size;
+ if (resizebuffer)
+ Mem_Free(resizebuffer);
+ if (colorconvertbuffer)
+ Mem_Free(colorconvertbuffer);
+ resizebuffer = Mem_Alloc(textureprocessingmempool, resizebuffersize);
+ colorconvertbuffer = Mem_Alloc(textureprocessingmempool, resizebuffersize);
+ if (!resizebuffer || !colorconvertbuffer)
+ Host_Error("R_Upload: out of memory\n");
}
}
-static void R_Upload(gltexture_t *glt, byte *data)
+static void R_Upload(gltexture_t *glt, qbyte *data)
{
int mip, width, height, internalformat;
- byte *prevbuffer;
+ qbyte *prevbuffer;
prevbuffer = data;
- glBindTexture(GL_TEXTURE_2D, glt->image->texnum);
+ qglBindTexture(GL_TEXTURE_2D, glt->image->texnum);
CHECKGLERROR
+ gl_backend_rebindtextures = true;
+
glt->flags &= ~GLTEXF_UPLOAD;
if (glt->flags & TEXF_FRAGMENT)
{
- if (resizebuffersize < glt->image->width * glt->image->height * glt->image->bytesperpixel)
- {
- resizebuffersize = glt->image->width * glt->image->height * glt->image->bytesperpixel;
- if (resizebuffer)
- Mem_Free(resizebuffer);
- if (colorconvertbuffer)
- Mem_Free(colorconvertbuffer);
- resizebuffer = Mem_Alloc(texturemempool, resizebuffersize);
- colorconvertbuffer = Mem_Alloc(texturemempool, resizebuffersize);
- if (!resizebuffer || !colorconvertbuffer)
- Host_Error("R_Upload: out of memory\n");
- }
-
if (glt->image->flags & GLTEXF_UPLOAD)
{
+ Con_DPrintf("uploaded new fragments image\n");
+ R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->bytesperpixel);
glt->image->flags &= ~GLTEXF_UPLOAD;
memset(resizebuffer, 255, glt->image->width * glt->image->height * glt->image->bytesperpixel);
- glTexImage2D (GL_TEXTURE_2D, 0, glt->image->glinternalformat, glt->image->width, glt->image->height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, resizebuffer);
+ qglTexImage2D (GL_TEXTURE_2D, 0, glt->image->glinternalformat, glt->image->width, glt->image->height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, resizebuffer);
CHECKGLERROR
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
CHECKGLERROR
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
CHECKGLERROR
}
if (prevbuffer == NULL)
{
+ R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->bytesperpixel);
memset(resizebuffer, 255, glt->width * glt->height * glt->image->bytesperpixel);
prevbuffer = resizebuffer;
}
{
// promote paletted to RGBA, so we only have to worry about RGB and
// RGBA in the rest of this code
+ R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->bytesperpixel);
Image_Copy8bitRGBA(prevbuffer, colorconvertbuffer, glt->width * glt->height, d_8to24table);
prevbuffer = colorconvertbuffer;
}
- glTexSubImage2D(GL_TEXTURE_2D, 0, glt->x, glt->y, glt->width, glt->height, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+ 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;
}
glt->image->flags &= ~GLTEXF_UPLOAD;
// these are rounded up versions of the size to do better resampling
- width = 1;while(width < glt->width) width *= 2;
- height = 1;while(height < glt->height) height *= 2;
+ for (width = 1;width < glt->width;width <<= 1);
+ for (height = 1;height < glt->height;height <<= 1);
- if (resizebuffersize < width * height * glt->image->bytesperpixel)
- {
- resizebuffersize = width * height * glt->image->bytesperpixel;
- if (resizebuffer)
- Mem_Free(resizebuffer);
- if (colorconvertbuffer)
- Mem_Free(colorconvertbuffer);
- resizebuffer = Mem_Alloc(texturemempool, resizebuffersize);
- colorconvertbuffer = Mem_Alloc(texturemempool, resizebuffersize);
- if (!resizebuffer || !colorconvertbuffer)
- Host_Error("R_Upload: out of memory\n");
- }
+ R_MakeResizeBufferBigger(width * height * glt->image->bytesperpixel);
if (prevbuffer == NULL)
{
if (glt->width != width || glt->height != height)
{
- R_ResampleTexture(prevbuffer, glt->width, glt->height, resizebuffer, width, height, glt->image->bytesperpixel);
+ Image_Resample(prevbuffer, glt->width, glt->height, resizebuffer, width, height, glt->image->bytesperpixel, r_lerpimages.integer);
prevbuffer = resizebuffer;
}
// apply picmip/max_size limitations
while (width > glt->image->width || height > glt->image->height)
{
- R_MipReduce(prevbuffer, resizebuffer, &width, &height, glt->image->width, glt->image->height, glt->image->bytesperpixel);
+ Image_MipReduce(prevbuffer, resizebuffer, &width, &height, glt->image->width, glt->image->height, glt->image->bytesperpixel);
prevbuffer = resizebuffer;
}
}
internalformat = 4;
mip = 0;
- glTexImage2D(GL_TEXTURE_2D, mip++, internalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+ qglTexImage2D(GL_TEXTURE_2D, mip++, internalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
CHECKGLERROR
if (glt->flags & TEXF_MIPMAP)
{
while (width > 1 || height > 1)
{
- R_MipReduce(prevbuffer, resizebuffer, &width, &height, 1, 1, glt->image->bytesperpixel);
+ Image_MipReduce(prevbuffer, resizebuffer, &width, &height, 1, 1, glt->image->bytesperpixel);
prevbuffer = resizebuffer;
- glTexImage2D(GL_TEXTURE_2D, mip++, internalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+ qglTexImage2D(GL_TEXTURE_2D, mip++, internalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
CHECKGLERROR
}
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
CHECKGLERROR
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
CHECKGLERROR
}
else
{
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
+ qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
CHECKGLERROR
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
+ 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++)
image = Mem_Alloc(texturemempool, sizeof(gltextureimage_t));
if (image == NULL)
Sys_Error("R_FindImageForTexture: ran out of memory\n");
- //memset(image, 0, sizeof(*image));
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;
image = Mem_Alloc(texturemempool, sizeof(gltextureimage_t));
if (image == NULL)
Sys_Error("R_FindImageForTexture: ran out of memory\n");
- //memset(image, 0, sizeof(*image));
image->type = GLIMAGETYPE_TILE;
image->blockallocation = NULL;
// calculate final size
if (r_max_size.integer > realmaxsize)
Cvar_SetValue("r_max_size", realmaxsize);
- image->width = 1;while (image->width < glt->width) image->width <<= 1;
- image->height = 1;while (image->height < glt->height) image->height <<= 1;
- image->width >>= r_picmip.integer;while (image->width > r_max_size.integer) image->width >>= 1;
- image->height >>= r_picmip.integer;while (image->height > r_max_size.integer) image->height >>= 1;
+ for (image->width = 1;image->width < glt->width;image->width <<= 1);
+ for (image->height = 1;image->height < glt->height;image->height <<= 1);
+ for (image->width >>= r_picmip.integer;image->width > r_max_size.integer;image->width >>= 1);
+ for (image->height >>= r_picmip.integer;image->height > r_max_size.integer;image->height >>= 1);
if (image->width < 1) image->width = 1;
if (image->height < 1) image->height = 1;
}
// 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(texturemempool, 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, byte *data, int (*generate)(byte *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));
- //memset(glt, 0, sizeof(gltexture_t));
if (identifier)
{
glt->identifier = Mem_Alloc(texturemempool, strlen(identifier)+1);
if (data)
{
- glt->inputtexels = Mem_Alloc(texturemempool, glt->width * glt->height * texinfo->inputbytesperpixel);
+ glt->inputtexels = Mem_Alloc(texturedatamempool, glt->width * glt->height * texinfo->inputbytesperpixel);
if (glt->inputtexels == NULL)
Sys_Error("R_SetupTexture: out of memory\n");
memcpy(glt->inputtexels, data, glt->width * glt->height * texinfo->inputbytesperpixel);
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);
R_LoadTexture
================
*/
-rtexture_t *R_LoadTexture (rtexturepool_t *rtexturepool, char *identifier, int width, int height, byte *data, int textype, int flags)
+rtexture_t *R_LoadTexture (rtexturepool_t *rtexturepool, char *identifier, int width, int height, qbyte *data, int textype, int flags)
{
int i;
gltexture_t *glt;
texinfo = R_GetTexTypeInfo(textype, flags);
- // data can be NULL
-// if (data == NULL)
-// Host_Error("R_LoadTexture: \"%s\" has no data\n", identifier);
-
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)
if (identifier && (glt = R_FindTexture(pool, identifier)))
{
if (crc == glt->crc && 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 on %s, replacing old texture\n", identifier);
- R_FreeTexture(glt);
+ 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)(byte *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);
-
- // no function is supported, for odd uses
-// if (generate == NULL)
-// Host_Error("R_ProceduralTexture: \"%s\" has no generate function\n", identifier);
- 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)
- return (rtexture_t *)glt; // exact match, use existing
- Con_DPrintf("R_LoadTexture: cache mismatch, replacing old texture\n");
- R_FreeTexture(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)
return ((gltexture_t *)rt)->height;
}
-void R_GetFragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1, float *fx2, float *fy2)
+void R_FragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1, float *fx2, float *fy2)
{
gltexture_t *glt;
float iwidth, iheight;
return;
}
if (!rt)
- Host_Error("R_GetFragmentLocation: no texture supplied\n");
+ Host_Error("R_FragmentLocation: no texture supplied\n");
glt = (gltexture_t *)rt;
if (glt->flags & TEXF_FRAGMENT)
{
return width;
}
-void R_UpdateTexture(rtexture_t *rt, byte *data)
+void R_UpdateTexture(rtexture_t *rt, qbyte *data)
{
gltexture_t *glt;
if (rt == NULL)
if (data == NULL)
Host_Error("R_UpdateTexture: no data supplied\n");
glt = (gltexture_t *)rt;
- if (!(glt->flags & GLTEXF_PROCEDURAL))
- {
- if (glt->inputtexels == NULL)
- {
- glt->inputtexels = Mem_Alloc(texturemempool, glt->width * glt->height * glt->textype->inputbytesperpixel);
- if (glt->inputtexels == NULL)
- Host_Error("R_UpdateTexture: ran out of memory\n");
- }
+
+ // if it has not been uploaded yet, update the data that will be used when it is
+ if (glt->inputtexels)
memcpy(glt->inputtexels, data, glt->width * glt->height * glt->textype->inputbytesperpixel);
- }
- R_Upload(glt, data);
+ else
+ R_Upload(glt, data);
}
projects / xonotic / darkplaces.git / blobdiff