diff options
Diffstat (limited to 'src/mesa/drivers/glide/fxddtex.c')
| -rw-r--r-- | src/mesa/drivers/glide/fxddtex.c | 88 |
1 files changed, 45 insertions, 43 deletions
diff --git a/src/mesa/drivers/glide/fxddtex.c b/src/mesa/drivers/glide/fxddtex.c index 2715a431e9..629f0e311e 100644 --- a/src/mesa/drivers/glide/fxddtex.c +++ b/src/mesa/drivers/glide/fxddtex.c @@ -70,7 +70,7 @@ fxPrintTextureData(tfxTexInfo * ti) fprintf(stderr, "\tMem1: %x-%x\n", (unsigned) ti->tm[1]->startAddr, (unsigned) ti->tm[1]->endAddr); fprintf(stderr, "\tMipmaps: %d-%d\n", ti->minLevel, ti->maxLevel); - fprintf(stderr, "\tFilters: min %d min %d\n", + fprintf(stderr, "\tFilters: min %d max %d\n", (int) ti->minFilt, (int) ti->maxFilt); fprintf(stderr, "\tClamps: s %d t %d\n", (int) ti->sClamp, (int) ti->tClamp); @@ -219,42 +219,52 @@ fxDDTexParam(GLcontext * ctx, GLenum target, struct gl_texture_object *tObj, ti->LODblend = FXFALSE; break; case GL_NEAREST_MIPMAP_LINEAR: - /* ZZZ: HACK ALERT! disable LODBlend, because we can't implement - on Napalm. Ohwell, until at least I decide what to do... - trilinear is bugged! mipmap blending produce - incorrect filtered colors for the smallest mipmap levels. */ -#if 0 - if (fxMesa->haveTwoTMUs) { - ti->mmMode = GR_MIPMAP_NEAREST; - ti->LODblend = FXTRUE; - } - else { - ti->mmMode = GR_MIPMAP_NEAREST_DITHER; - ti->LODblend = FXFALSE; - } - ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; - break; /* ZZZ: we may have to fall through here for V3 */ -#endif + /* [koolsmoky] + * trilinear is bugged! mipmap blending produce + * incorrect filtered colors for the smallest mipmap levels. + * [dBorca] + * currently Napalm can't do single-pass trilinear, + * because the way its combiners are set. So we fall back + * to GL_NEAREST_MIPMAP_NEAREST. We'll let true trilinear + * enabled for V2, V3. If user shoots foot, not our problem! + */ + if (!fxMesa->HaveCmbExt) { + if (fxMesa->haveTwoTMUs) { + ti->mmMode = GR_MIPMAP_NEAREST; + ti->LODblend = FXTRUE; + } else { + ti->mmMode = GR_MIPMAP_NEAREST_DITHER; + ti->LODblend = FXFALSE; + } + ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; + break; + } case GL_NEAREST_MIPMAP_NEAREST: ti->mmMode = GR_MIPMAP_NEAREST; ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; ti->LODblend = FXFALSE; break; case GL_LINEAR_MIPMAP_LINEAR: - /* ZZZ: HACK ALERT! trilinear is bugged! mipmap blending produce - incorrect filtered colors for the smallest mipmap levels. */ -#if 0 - if (fxMesa->haveTwoTMUs) { - ti->mmMode = GR_MIPMAP_NEAREST; - ti->LODblend = FXTRUE; - } - else { - ti->mmMode = GR_MIPMAP_NEAREST_DITHER; - ti->LODblend = FXFALSE; - } - ti->minFilt = GR_TEXTUREFILTER_BILINEAR; - break; /* ZZZ: we may have to fall through here for V3 */ -#endif + /* [koolsmoky] + * trilinear is bugged! mipmap blending produce + * incorrect filtered colors for the smallest mipmap levels. + * [dBorca] + * currently Napalm can't do single-pass trilinear, + * because the way its combiners are set. So we fall back + * to GL_LINEAR_MIPMAP_NEAREST. We'll let true trilinear + * enabled for V2, V3. If user shoots foot, not our problem! + */ + if (!fxMesa->HaveCmbExt) { + if (fxMesa->haveTwoTMUs) { + ti->mmMode = GR_MIPMAP_NEAREST; + ti->LODblend = FXTRUE; + } else { + ti->mmMode = GR_MIPMAP_NEAREST_DITHER; + ti->LODblend = FXFALSE; + } + ti->minFilt = GR_TEXTUREFILTER_BILINEAR; + break; + } case GL_LINEAR_MIPMAP_NEAREST: ti->mmMode = GR_MIPMAP_NEAREST; ti->minFilt = GR_TEXTUREFILTER_BILINEAR; @@ -545,6 +555,7 @@ fxTexGetInfo(int w, int h, GrLOD_t * lodlevel, GrAspectRatio_t * ar, l = MAX2(logw, logh); aspectratio = logw - logh; ws = hs = 1; + s = t = 256.0f; /* hardware only allows a maximum aspect ratio of 8x1, so handle * |aspectratio| > 3 by scaling the image and using an 8x1 aspect @@ -552,45 +563,33 @@ fxTexGetInfo(int w, int h, GrLOD_t * lodlevel, GrAspectRatio_t * ar, */ switch (aspectratio) { case 0: - s = 256.0f; - t = 256.0f; break; case 1: - s = 256.0f; t = 128.0f; break; case 2: - s = 256.0f; t = 64.0f; break; case 3: - s = 256.0f; t = 32.0f; break; case -1: s = 128.0f; - t = 256.0f; break; case -2: s = 64.0f; - t = 256.0f; break; case -3: s = 32.0f; - t = 256.0f; break; default: if (aspectratio > 3) { - s = 256.0f; t = 32.0f; - ws = 1; hs = 1 << (aspectratio - 3); aspectratio = GR_ASPECT_LOG2_8x1; } else /*if (aspectratio < -3)*/ { s = 32.0f; - t = 256.0f; ws = 1 << (-aspectratio - 3); - hs = 1; aspectratio = GR_ASPECT_LOG2_1x8; } } @@ -645,6 +644,9 @@ fxIsTexSupported(GLenum target, GLint internalFormat, * may get defined in texutil.c) but we have to account for scaled texture * images on tdfx hardware (the 8:1 aspect ratio limit). * Hence, we need special functions here. + * + * [dBorca] + * this better be right, if we will advertise GL_SGIS_generate_mipmap! */ static void |