added cvars r_nearest_2d and r_nearest_conchars which let you force all

2d pics (including conchars) to nearest filtering, or just conchars

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11666 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/draw.h b/draw.h
index 471efedd4ec78a522b28d1146ba490f2de88e271..1ab50176212311911def191e65ddd282ca08d178 100644 (file)
--- a/draw.h
+++ b/draw.h
@@ -57,7 +57,8 @@ typedef enum cachepicflags_e
        CACHEPICFLAG_NOCOMPRESSION = 4,
        CACHEPICFLAG_NOCLAMP = 8,
        CACHEPICFLAG_NEWPIC = 16, // disables matching texflags check, because a pic created with Draw_NewPic should not be subject to that
-       CACHEPICFLAG_MIPMAP = 32
+       CACHEPICFLAG_MIPMAP = 32,
+       CACHEPICFLAG_NEAREST = 64 // force nearest filtering instead of linear
 }
 cachepicflags_t;
 

diff --git a/gl_draw.c b/gl_draw.c
index 589140e26fc57305a3f5b2749aec2f95b9bb42d5..37126255d6a563a2ca4a52edfb0337224eae9086 100644 (file)
--- a/gl_draw.c
+++ b/gl_draw.c
@@ -42,6 +42,8 @@ cvar_t r_font_postprocess_shadow_y = {CVAR_SAVE, "r_font_postprocess_shadow_y",
 cvar_t r_font_postprocess_shadow_z = {CVAR_SAVE, "r_font_postprocess_shadow_z", "0", "font shadow Z shift amount, applied during blurring"};
 cvar_t r_font_hinting = {CVAR_SAVE, "r_font_hinting", "3", "0 = no hinting, 1 = light autohinting, 2 = full autohinting, 3 = full hinting"};
 cvar_t r_font_antialias = {CVAR_SAVE, "r_font_antialias", "1", "0 = monochrome, 1 = grey" /* , 2 = rgb, 3 = bgr" */};
+cvar_t r_nearest_2d = {CVAR_SAVE, "r_nearest_2d", "0", "use nearest filtering on all 2d textures (including conchars)"};
+cvar_t r_nearest_conchars = {CVAR_SAVE, "r_nearest_conchars", "0", "use nearest filtering on conchars texture"};
 
 extern cvar_t v_glslgamma;
 
@@ -109,7 +111,7 @@ static rtexture_t *draw_generateconchars(void)
        Image_WriteTGABGRA ("gfx/generated_conchars.tga", 256, 256, data);
 #endif
 
-       tex = R_LoadTexture2D(drawtexturepool, "conchars", 256, 256, data, TEXTYPE_BGRA, TEXF_ALPHA, -1, NULL);
+       tex = R_LoadTexture2D(drawtexturepool, "conchars", 256, 256, data, TEXTYPE_BGRA, TEXF_ALPHA | (r_nearest_conchars.integer ? TEXF_FORCENEAREST : 0), -1, NULL);
        Mem_Free(data);
        return tex;
 }
@@ -332,6 +334,8 @@ cachepic_t *Draw_CachePic_Flags(const char *path, unsigned int cachepicflags)
                texflags |= TEXF_MIPMAP;
        if (!(cachepicflags & CACHEPICFLAG_NOCOMPRESSION) && gl_texturecompression_2d.integer && gl_texturecompression.integer)
                texflags |= TEXF_COMPRESS;
+       if ((cachepicflags & CACHEPICFLAG_NEAREST) || r_nearest_2d.integer)
+               texflags |= TEXF_FORCENEAREST;
 
        // check whether the picture has already been cached
        crc = CRC_Block((unsigned char *)path, strlen(path));
@@ -675,20 +679,20 @@ void LoadFont(qboolean override, const char *name, dp_font_t *fnt, float scale,
                        Con_DPrintf("Failed to load font-file for '%s', it will not support as many characters.\n", fnt->texpath);
        }
 
-       fnt->tex = Draw_CachePic_Flags(fnt->texpath, CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION)->tex;
+       fnt->tex = Draw_CachePic_Flags(fnt->texpath, CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION | (r_nearest_conchars.integer ? CACHEPICFLAG_NEAREST : 0))->tex;
        if(fnt->tex == r_texture_notexture)
        {
                for (i = 0; i < MAX_FONT_FALLBACKS; ++i)
                {
                        if (!fnt->fallbacks[i][0])
                                break;
-                       fnt->tex = Draw_CachePic_Flags(fnt->fallbacks[i], CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION)->tex;
+                       fnt->tex = Draw_CachePic_Flags(fnt->fallbacks[i], CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION | (r_nearest_conchars.integer ? CACHEPICFLAG_NEAREST : 0))->tex;
                        if(fnt->tex != r_texture_notexture)
                                break;
                }
                if(fnt->tex == r_texture_notexture)
                {
-                       fnt->tex = Draw_CachePic_Flags("gfx/conchars", CACHEPICFLAG_NOCOMPRESSION)->tex;
+                       fnt->tex = Draw_CachePic_Flags("gfx/conchars", CACHEPICFLAG_NOCOMPRESSION | (r_nearest_conchars.integer ? CACHEPICFLAG_NEAREST : 0))->tex;
                        strlcpy(widthfile, "gfx/conchars.width", sizeof(widthfile));
                }
                else
@@ -1046,6 +1050,8 @@ void GL_Draw_Init (void)
        Cvar_RegisterVariable(&r_textshadow);
        Cvar_RegisterVariable(&r_textbrightness);
        Cvar_RegisterVariable(&r_textcontrast);
+       Cvar_RegisterVariable(&r_nearest_2d);
+       Cvar_RegisterVariable(&r_nearest_conchars);
 
        // allocate fonts storage
        fonts_mempool = Mem_AllocPool("FONTS", 0, NULL);
@@ -1711,10 +1717,20 @@ float DrawQ_String_Scale(float startx, float starty, const char *text, size_t ma
                                //thisw = fnt->width_of[num];
                                thisw = fnt->width_of[ch];
                                // FIXME make these smaller to just include the occupied part of the character for slightly faster rendering
-                               s = (ch & 15)*0.0625f + (0.5f / tw);
-                               t = (ch >> 4)*0.0625f + (0.5f / th);
-                               u = 0.0625f * thisw - (1.0f / tw);
-                               v = 0.0625f - (1.0f / th);
+                               if (r_nearest_conchars.integer)
+                               {
+                                       s = (ch & 15)*0.0625f;
+                                       t = (ch >> 4)*0.0625f;
+                                       u = 0.0625f * thisw;
+                                       v = 0.0625f;
+                               }
+                               else
+                               {
+                                       s = (ch & 15)*0.0625f + (0.5f / tw);
+                                       t = (ch >> 4)*0.0625f + (0.5f / th);
+                                       u = 0.0625f * thisw - (1.0f / tw);
+                                       v = 0.0625f - (1.0f / th);
+                               }
                                ac[ 0] = DrawQ_Color[0];ac[ 1] = DrawQ_Color[1];ac[ 2] = DrawQ_Color[2];ac[ 3] = DrawQ_Color[3];
                                ac[ 4] = DrawQ_Color[0];ac[ 5] = DrawQ_Color[1];ac[ 6] = DrawQ_Color[2];ac[ 7] = DrawQ_Color[3];
                                ac[ 8] = DrawQ_Color[0];ac[ 9] = DrawQ_Color[1];ac[10] = DrawQ_Color[2];ac[11] = DrawQ_Color[3];