From e3b17cd82bf2db4e18d6fa4af1dc8e83ee65417c Mon Sep 17 00:00:00 2001 From: fickleheart Date: Sat, 14 Mar 2020 15:52:25 -0500 Subject: [PATCH] Use po2 patches to fix mipmaps --- src/hardware/hw_cache.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/src/hardware/hw_cache.c b/src/hardware/hw_cache.c index 66f4e3c28..5dc02e00b 100644 --- a/src/hardware/hw_cache.c +++ b/src/hardware/hw_cache.c @@ -298,13 +298,13 @@ static void HWR_DrawPatchInCache(GLMipmap_t *mipmap, if (pwidth <= 0 || pheight <= 0) return; - ncols = (pwidth * pblockwidth) / pwidth; + ncols = pwidth; // source advance xfrac = 0; - xfracstep = (pwidth << FRACBITS) / pblockwidth; - yfracstep = (pheight << FRACBITS) / pblockheight; - scale_y = (pblockheight << FRACBITS) / pheight; + xfracstep = FRACUNIT; + yfracstep = FRACUNIT; + scale_y = FRACUNIT; bpp = format2bpp[mipmap->grInfo.format]; @@ -573,13 +573,18 @@ void HWR_MakePatch (const patch_t *patch, GLPatch_t *grPatch, GLMipmap_t *grMipm grPatch->leftoffset = SHORT(patch->leftoffset); grPatch->topoffset = SHORT(patch->topoffset); - grMipmap->width = (UINT16)SHORT(patch->width); - grMipmap->height = (UINT16)SHORT(patch->height); + grMipmap->width = grMipmap->height = 1; + while (grMipmap->width < grPatch->width) grMipmap->width <<= 1; + while (grMipmap->height < grPatch->height) grMipmap->height <<= 1; // no wrap around, no chroma key grMipmap->flags = 0; // setup the texture info grMipmap->grInfo.format = patchformat; + + //grPatch->max_s = grPatch->max_t = 1.0f; + grPatch->max_s = (float)grPatch->width / (float)grMipmap->width; + grPatch->max_t = (float)grPatch->height / (float)grMipmap->height; } Z_Free(grMipmap->grInfo.data); @@ -590,12 +595,10 @@ void HWR_MakePatch (const patch_t *patch, GLPatch_t *grPatch, GLMipmap_t *grMipm MakeBlock(grMipmap); HWR_DrawPatchInCache(grMipmap, - grPatch->width, grPatch->height, + grMipmap->width, grMipmap->height, grPatch->width, grPatch->height, patch); } - - grPatch->max_s = grPatch->max_t = 1.0f; }