From 86084b10a110d8398e08c28223327ba07757f649 Mon Sep 17 00:00:00 2001 From: havoc Date: Tue, 3 May 2011 11:42:49 +0000 Subject: [PATCH] don't upload the same ft2 font texture more than once added r_font_diskcache (can read/write tga and dds) added r_font_compress (saves memory by compressing the texture) git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11095 d7cf8633-e32d-0410-b094-e92efae38249 --- draw.h | 2 + ft2.c | 283 ++++++++++++++++++++++++++----------------------- ft2_fontdefs.h | 2 +- gl_draw.c | 4 +- 4 files changed, 158 insertions(+), 133 deletions(-) diff --git a/draw.h b/draw.h index 7c3b6543..bf7e338c 100644 --- a/draw.h +++ b/draw.h @@ -190,5 +190,7 @@ void DrawQ_RecalcView(void); // use this when changing r_refdef.view.* from e.g. void R_DrawGamma(void); +extern rtexturepool_t *drawtexturepool; // used by ft2.c + #endif diff --git a/ft2.c b/ft2.c index 91a6f871..0b34f529 100644 --- a/ft2.c +++ b/ft2.c @@ -6,6 +6,7 @@ #include "ft2.h" #include "ft2_defs.h" #include "ft2_fontdefs.h" +#include "image.h" static int img_fontmap[256] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -36,6 +37,8 @@ cvar_t r_font_disable_freetype = {CVAR_SAVE, "r_font_disable_freetype", "1", "di cvar_t r_font_use_alpha_textures = {CVAR_SAVE, "r_font_use_alpha_textures", "0", "use alpha-textures for font rendering, this should safe memory"}; cvar_t r_font_size_snapping = {CVAR_SAVE, "r_font_size_snapping", "1", "stick to good looking font sizes whenever possible - bad when the mod doesn't support it!"}; cvar_t r_font_kerning = {CVAR_SAVE, "r_font_kerning", "1", "Use kerning if available"}; +cvar_t r_font_diskcache = {CVAR_SAVE, "r_font_diskcache", "0", "save font textures to disk for future loading rather than generating them every time"}; +cvar_t r_font_compress = {CVAR_SAVE, "r_font_compress", "0", "use texture compression on font textures to save video memory"}; cvar_t developer_font = {CVAR_SAVE, "developer_font", "0", "prints debug messages about fonts"}; /* @@ -134,7 +137,6 @@ static dllhandle_t ft2_dll = NULL; /// Memory pool for fonts static mempool_t *font_mempool= NULL; -static rtexturepool_t *font_texturepool = NULL; /// FreeType library handle static FT_Library font_ft2lib = NULL; @@ -237,8 +239,6 @@ void Font_CloseLibrary (void) fontfilecache_FreeAll(); if (font_mempool) Mem_FreePool(&font_mempool); - if (font_texturepool) - R_FreeTexturePool(&font_texturepool); if (font_ft2lib && qFT_Done_FreeType) { qFT_Done_FreeType(font_ft2lib); @@ -312,14 +312,6 @@ void font_start(void) Font_CloseLibrary(); return; } - - font_texturepool = R_AllocTexturePool(); - if (!font_texturepool) - { - Con_Print("ERROR: Failed to allocate FONT texture pool!\n"); - Font_CloseLibrary(); - return; - } } void font_shutdown(void) @@ -346,6 +338,8 @@ void Font_Init(void) Cvar_RegisterVariable(&r_font_use_alpha_textures); Cvar_RegisterVariable(&r_font_size_snapping); Cvar_RegisterVariable(&r_font_kerning); + Cvar_RegisterVariable(&r_font_diskcache); + Cvar_RegisterVariable(&r_font_compress); Cvar_RegisterVariable(&developer_font); // let's open it at startup already @@ -1021,10 +1015,10 @@ qboolean Font_GetKerningForSize(ft2_font_t *font, float w, float h, Uchar left, static void UnloadMapRec(ft2_font_map_t *map) { - if (map->texture) + if (map->pic) { - R_FreeTexture(map->texture); - map->texture = NULL; + //Draw_FreePic(map->pic); // FIXME: refcounting needed... + map->pic = NULL; } if (map->next) UnloadMapRec(map->next); @@ -1096,7 +1090,7 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ { char map_identifier[MAX_QPATH]; unsigned long mapidx = _ch / FONT_CHARS_PER_MAP; - unsigned char *data; + unsigned char *data = NULL; FT_ULong ch, mapch; int status; int tp; @@ -1206,6 +1200,22 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ return false; } + // create a totally unique name for this map, then we will use it to make a unique cachepic_t to avoid redundant textures + dpsnprintf(map_identifier, sizeof(map_identifier), + "%s_cache_%g_%d_%g_%g_%g_%g_%g_%u", + font->name, + mapstart->intSize, + load_flags, + font->settings->blur, + font->settings->outline, + font->settings->shadowx, + font->settings->shadowy, + font->settings->shadowz, + (unsigned)map->start/FONT_CHARS_PER_MAP); + + // create a cachepic_t from the data now, or reuse an existing one + map->pic = Draw_CachePic_Flags(map_identifier, CACHEPICFLAG_QUIET); + Font_Postprocess(font, NULL, 0, bytesPerPixel, mapstart->size*2, mapstart->size*2, &gpad_l, &gpad_r, &gpad_t, &gpad_b); // copy over the information @@ -1216,28 +1226,31 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ map->sfy = mapstart->sfy; pitch = map->glyphSize * FONT_CHARS_PER_LINE * bytesPerPixel; - data = (unsigned char *)Mem_Alloc(font_mempool, (FONT_CHAR_LINES * map->glyphSize) * pitch); - if (!data) + if (map->pic->tex == r_texture_notexture) { - Con_Printf("ERROR: Failed to allocate memory for font %s size %g\n", font->name, map->size); - Mem_Free(map); - return false; - } - memset(map->width_of, 0, sizeof(map->width_of)); - - // initialize as white texture with zero alpha - tp = 0; - while (tp < (FONT_CHAR_LINES * map->glyphSize) * pitch) - { - if (bytesPerPixel == 4) + data = (unsigned char *)Mem_Alloc(font_mempool, (FONT_CHAR_LINES * map->glyphSize) * pitch); + if (!data) { - data[tp++] = 0xFF; - data[tp++] = 0xFF; - data[tp++] = 0xFF; + Con_Printf("ERROR: Failed to allocate memory for font %s size %g\n", font->name, map->size); + Mem_Free(map); + return false; + } + // initialize as white texture with zero alpha + tp = 0; + while (tp < (FONT_CHAR_LINES * map->glyphSize) * pitch) + { + if (bytesPerPixel == 4) + { + data[tp++] = 0xFF; + data[tp++] = 0xFF; + data[tp++] = 0xFF; + } + data[tp++] = 0x00; } - data[tp++] = 0x00; } + memset(map->width_of, 0, sizeof(map->width_of)); + // insert the map map->start = mapidx * FONT_CHARS_PER_MAP; next = mapstart; @@ -1256,7 +1269,7 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ int w, h, x, y; FT_GlyphSlot glyph; FT_Bitmap *bmp; - unsigned char *imagedata, *dst, *src; + unsigned char *imagedata = NULL, *dst, *src; glyph_slot_t *mapglyph; FT_Face face; int pad_l, pad_r, pad_t, pad_b; @@ -1273,8 +1286,11 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ ++gR; } - imagedata = data + gR * pitch * map->glyphSize + gC * map->glyphSize * bytesPerPixel; - imagedata += gpad_t * pitch + gpad_l * bytesPerPixel; + if (data) + { + imagedata = data + gR * pitch * map->glyphSize + gC * map->glyphSize * bytesPerPixel; + imagedata += gpad_t * pitch + gpad_l * bytesPerPixel; + } //status = qFT_Load_Char(face, ch, FT_LOAD_RENDER); // we need the glyphIndex face = (FT_Face)font->face; @@ -1339,91 +1355,94 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ h = map->glyphSize; } - switch (bmp->pixel_mode) - { - case FT_PIXEL_MODE_MONO: - if (developer_font.integer) - Con_DPrint("glyphinfo: Pixel Mode: MONO\n"); - break; - case FT_PIXEL_MODE_GRAY2: - if (developer_font.integer) - Con_DPrint("glyphinfo: Pixel Mode: GRAY2\n"); - break; - case FT_PIXEL_MODE_GRAY4: - if (developer_font.integer) - Con_DPrint("glyphinfo: Pixel Mode: GRAY4\n"); - break; - case FT_PIXEL_MODE_GRAY: - if (developer_font.integer) - Con_DPrint("glyphinfo: Pixel Mode: GRAY\n"); - break; - default: - if (developer_font.integer) - Con_DPrintf("glyphinfo: Pixel Mode: Unknown: %i\n", bmp->pixel_mode); - Mem_Free(data); - Con_Printf("ERROR: Unrecognized pixel mode for font %s size %f: %i\n", font->name, mapstart->size, bmp->pixel_mode); - return false; - } - for (y = 0; y < h; ++y) + if (imagedata) { - dst = imagedata + y * pitch; - src = bmp->buffer + y * bmp->pitch; - switch (bmp->pixel_mode) { case FT_PIXEL_MODE_MONO: - dst += bytesPerPixel - 1; // shift to alpha byte - for (x = 0; x < bmp->width; x += 8) - { - unsigned char ch = *src++; - *dst = 255 * !!((ch & 0x80) >> 7); dst += bytesPerPixel; - *dst = 255 * !!((ch & 0x40) >> 6); dst += bytesPerPixel; - *dst = 255 * !!((ch & 0x20) >> 5); dst += bytesPerPixel; - *dst = 255 * !!((ch & 0x10) >> 4); dst += bytesPerPixel; - *dst = 255 * !!((ch & 0x08) >> 3); dst += bytesPerPixel; - *dst = 255 * !!((ch & 0x04) >> 2); dst += bytesPerPixel; - *dst = 255 * !!((ch & 0x02) >> 1); dst += bytesPerPixel; - *dst = 255 * !!((ch & 0x01) >> 0); dst += bytesPerPixel; - } + if (developer_font.integer) + Con_DPrint("glyphinfo: Pixel Mode: MONO\n"); break; case FT_PIXEL_MODE_GRAY2: - dst += bytesPerPixel - 1; // shift to alpha byte - for (x = 0; x < bmp->width; x += 4) - { - unsigned char ch = *src++; - *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; - *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; - *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; - *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; - } + if (developer_font.integer) + Con_DPrint("glyphinfo: Pixel Mode: GRAY2\n"); break; case FT_PIXEL_MODE_GRAY4: - dst += bytesPerPixel - 1; // shift to alpha byte - for (x = 0; x < bmp->width; x += 2) - { - unsigned char ch = *src++; - *dst = ( ((ch & 0xF0) >> 4) * 0x11); dst += bytesPerPixel; - *dst = ( ((ch & 0x0F) ) * 0x11); dst += bytesPerPixel; - } + if (developer_font.integer) + Con_DPrint("glyphinfo: Pixel Mode: GRAY4\n"); break; case FT_PIXEL_MODE_GRAY: - // in this case pitch should equal width - for (tp = 0; tp < bmp->pitch; ++tp) - dst[(bytesPerPixel - 1) + tp*bytesPerPixel] = src[tp]; // copy the grey value into the alpha bytes - - //memcpy((void*)dst, (void*)src, bmp->pitch); - //dst += bmp->pitch; + if (developer_font.integer) + Con_DPrint("glyphinfo: Pixel Mode: GRAY\n"); break; default: - break; + if (developer_font.integer) + Con_DPrintf("glyphinfo: Pixel Mode: Unknown: %i\n", bmp->pixel_mode); + Mem_Free(data); + Con_Printf("ERROR: Unrecognized pixel mode for font %s size %f: %i\n", font->name, mapstart->size, bmp->pixel_mode); + return false; } - } + for (y = 0; y < h; ++y) + { + dst = imagedata + y * pitch; + src = bmp->buffer + y * bmp->pitch; - pad_l = gpad_l; - pad_r = gpad_r; - pad_t = gpad_t; - pad_b = gpad_b; - Font_Postprocess(font, imagedata, pitch, bytesPerPixel, w, h, &pad_l, &pad_r, &pad_t, &pad_b); + switch (bmp->pixel_mode) + { + case FT_PIXEL_MODE_MONO: + dst += bytesPerPixel - 1; // shift to alpha byte + for (x = 0; x < bmp->width; x += 8) + { + unsigned char ch = *src++; + *dst = 255 * !!((ch & 0x80) >> 7); dst += bytesPerPixel; + *dst = 255 * !!((ch & 0x40) >> 6); dst += bytesPerPixel; + *dst = 255 * !!((ch & 0x20) >> 5); dst += bytesPerPixel; + *dst = 255 * !!((ch & 0x10) >> 4); dst += bytesPerPixel; + *dst = 255 * !!((ch & 0x08) >> 3); dst += bytesPerPixel; + *dst = 255 * !!((ch & 0x04) >> 2); dst += bytesPerPixel; + *dst = 255 * !!((ch & 0x02) >> 1); dst += bytesPerPixel; + *dst = 255 * !!((ch & 0x01) >> 0); dst += bytesPerPixel; + } + break; + case FT_PIXEL_MODE_GRAY2: + dst += bytesPerPixel - 1; // shift to alpha byte + for (x = 0; x < bmp->width; x += 4) + { + unsigned char ch = *src++; + *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; + *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; + *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; + *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel; + } + break; + case FT_PIXEL_MODE_GRAY4: + dst += bytesPerPixel - 1; // shift to alpha byte + for (x = 0; x < bmp->width; x += 2) + { + unsigned char ch = *src++; + *dst = ( ((ch & 0xF0) >> 4) * 0x11); dst += bytesPerPixel; + *dst = ( ((ch & 0x0F) ) * 0x11); dst += bytesPerPixel; + } + break; + case FT_PIXEL_MODE_GRAY: + // in this case pitch should equal width + for (tp = 0; tp < bmp->pitch; ++tp) + dst[(bytesPerPixel - 1) + tp*bytesPerPixel] = src[tp]; // copy the grey value into the alpha bytes + + //memcpy((void*)dst, (void*)src, bmp->pitch); + //dst += bmp->pitch; + break; + default: + break; + } + } + + pad_l = gpad_l; + pad_r = gpad_r; + pad_t = gpad_t; + pad_b = gpad_b; + Font_Postprocess(font, imagedata, pitch, bytesPerPixel, w, h, &pad_l, &pad_r, &pad_t, &pad_b); + } // now fill map->glyphs[ch - map->start] mapglyph = &map->glyphs[mapch]; @@ -1474,33 +1493,37 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ map->glyphs[mapch].image = false; } - // create a texture from the data now - - if (developer_font.integer > 100) - { - // LordHavoc: why are we writing this? And why not write it as TGA using the appropriate function? - // view using `display -depth 8 -size 512x512 name_page.rgba` (be sure to use a correct -size parameter) - dpsnprintf(map_identifier, sizeof(map_identifier), "%s_%u.rgba", font->name, (unsigned)map->start/FONT_CHARS_PER_MAP); - FS_WriteFile(map_identifier, data, pitch * FONT_CHAR_LINES * map->glyphSize); - } - dpsnprintf(map_identifier, sizeof(map_identifier), "%s_%u", font->name, (unsigned)map->start/FONT_CHARS_PER_MAP); - - // probably use bytesPerPixel here instead? - if (r_font_use_alpha_textures.integer) + if (data) { - map->texture = R_LoadTexture2D(font_texturepool, map_identifier, - map->glyphSize * FONT_CHARS_PER_LINE, - map->glyphSize * FONT_CHAR_LINES, - data, TEXTYPE_ALPHA, TEXF_ALPHA /*gone: | TEXF_ALWAYSPRECACHE*/ /* | TEXF_MIPMAP*/, -1, NULL); - } else { - map->texture = R_LoadTexture2D(font_texturepool, map_identifier, - map->glyphSize * FONT_CHARS_PER_LINE, - map->glyphSize * FONT_CHAR_LINES, - data, TEXTYPE_RGBA, TEXF_ALPHA /*gone: | TEXF_ALWAYSPRECACHE*/ /* | TEXF_MIPMAP*/, -1, NULL); + int w = map->glyphSize * FONT_CHARS_PER_LINE; + int h = map->glyphSize * FONT_CHAR_LINES; + rtexture_t *tex; + // abuse the Draw_CachePic system to keep track of this texture + tex = R_LoadTexture2D(drawtexturepool, map_identifier, w, h, data, r_font_use_alpha_textures.integer ? TEXTYPE_ALPHA : TEXTYPE_RGBA, TEXF_ALPHA | (r_font_compress.integer > 0 ? TEXF_COMPRESS : 0), -1, NULL); + // if tex is NULL for any reason, the pic->tex will remain set to r_texture_notexture + if (tex) + map->pic->tex = tex; + + if (r_font_diskcache.integer >= 1) + { + // swap to BGRA for tga writing... + int s = w * h; + int x; + int b; + for (x = 0;x < s;x++) + { + b = data[x*4+0]; + data[x*4+0] = data[x*4+2]; + data[x*4+2] = b; + } + Image_WriteTGABGRA(va("%s.tga", map_identifier), w, h, data); + if (r_font_compress.integer && qglGetCompressedTexImageARB && tex) + R_SaveTextureDDSFile(tex, va("dds/%s.dds", map_identifier), true, true); + } + Mem_Free(data); } - Mem_Free(data); - if (!map->texture) + if (map->pic->tex == r_texture_notexture) { // if the first try isn't successful, keep it with a broken texture // otherwise we retry to load it every single frame where ft2 rendering is used diff --git a/ft2_fontdefs.h b/ft2_fontdefs.h index 34c16370..3f08187d 100644 --- a/ft2_fontdefs.h +++ b/ft2_fontdefs.h @@ -34,7 +34,7 @@ struct ft2_font_map_s float intSize; int glyphSize; - rtexture_t *texture; + cachepic_t *pic; qboolean static_tex; glyph_slot_t glyphs[FONT_CHARS_PER_MAP]; diff --git a/gl_draw.c b/gl_draw.c index 9850142f..b1b330f8 100644 --- a/gl_draw.c +++ b/gl_draw.c @@ -53,7 +53,7 @@ static cachepic_t *cachepichash[CACHEPICHASHSIZE]; static cachepic_t cachepics[MAX_CACHED_PICS]; static int numcachepics; -static rtexturepool_t *drawtexturepool; +rtexturepool_t *drawtexturepool; static const unsigned char concharimage[FONT_FILESIZE] = { @@ -1721,7 +1721,7 @@ float DrawQ_String_Scale(float startx, float starty, const char *text, size_t ma break; } } - R_SetupShader_Generic(map->texture, NULL, GL_MODULATE, 1); + R_SetupShader_Generic(map->pic->tex, NULL, GL_MODULATE, 1); } mapch = ch - map->start; -- 2.39.2