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split HWR_DrawPatchInCache into two functions: one for texture patches and one for everything else

This commit is contained in:
Monster Iestyn 2019-02-13 20:12:10 +00:00
parent 497e79d1de
commit d2c6b995d3
1 changed files with 55 additions and 4 deletions
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59
src/hardware/hw_cache.c
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@ -156,8 +156,59 @@ static void HWR_DrawColumnInCache(const column_t *patchcol, UINT8 *block, GLMipm
}
// sprite, use alpha and chroma key for hole
// Simplified patch caching function
// for use by sprites and other patches that are not part of a wall texture
// no alpha or flipping should be present since we do not want non-texture graphics to have them
// no offsets are used either
// -- Monster Iestyn (13/02/19)
static void HWR_DrawPatchInCache(GLMipmap_t *mipmap,
INT32 pblockwidth, INT32 pblockheight,
INT32 pwidth, INT32 pheight,
const patch_t *realpatch)
{
INT32 ncols;
fixed_t xfrac, xfracstep;
fixed_t yfracstep, scale_y;
const column_t *patchcol;
UINT8 *block = mipmap->grInfo.data;
INT32 bpp;
INT32 blockmodulo;
if (pwidth <= 0 || pheight <= 0)
return;
ncols = (pwidth * pblockwidth) / pwidth;
// source advance
xfrac = 0;
xfracstep = (pwidth << FRACBITS) / pblockwidth;
yfracstep = (pheight << FRACBITS) / pblockheight;
scale_y = (pblockheight << FRACBITS) / pheight;
bpp = format2bpp[mipmap->grInfo.format];
if (bpp < 1 || bpp > 4)
I_Error("HWR_DrawPatchInCache: no drawer defined for this bpp (%d)\n",bpp);
// NOTE: should this actually be pblockwidth*bpp?
blockmodulo = blockwidth*bpp;
// Draw each column to the block cache
for (; ncols--; block += bpp, xfrac += xfracstep)
{
patchcol = (const column_t *)((const UINT8 *)realpatch + LONG(realpatch->columnofs[xfrac>>FRACBITS]));
HWR_DrawColumnInCache(patchcol, block, mipmap,
pheight, blockmodulo,
yfracstep, scale_y,
0,
bpp
);
}
}
// This function we use for caching patches that belong to textures
static void HWR_DrawTexturePatchInCache(GLMipmap_t *mipmap,
INT32 pblockwidth, INT32 pblockheight,
INT32 ptexturewidth, INT32 ptextureheight,
INT32 originx, INT32 originy, // where to draw patch in surface block
@ -172,7 +223,7 @@ static void HWR_DrawPatchInCache(GLMipmap_t *mipmap,
INT32 bpp;
INT32 blockmodulo;
if (!ptexturewidth)
if (ptexturewidth <= 0 || ptextureheight <= 0)
return;
x1 = originx;
@ -224,6 +275,7 @@ static void HWR_DrawPatchInCache(GLMipmap_t *mipmap,
if (bpp < 1 || bpp > 4)
I_Error("HWR_DrawPatchInCache: no drawer defined for this bpp (%d)\n",bpp);
// NOTE: should this actually be pblockwidth*bpp?
blockmodulo = blockwidth*bpp;
// Draw each column to the block cache
@ -480,7 +532,7 @@ static void HWR_GenerateTexture(INT32 texnum, GLTexture_t *grtex)
for (i = 0, patch = texture->patches; i < texture->patchcount; i++, patch++)
{
realpatch = W_CacheLumpNumPwad(patch->wad, patch->lump, PU_CACHE);
HWR_DrawPatchInCache(&grtex->mipmap,
HWR_DrawTexturePatchInCache(&grtex->mipmap,
blockwidth, blockheight,
texture->width, texture->height,
patch->originx, patch->originy,
@ -572,7 +624,6 @@ void HWR_MakePatch (const patch_t *patch, GLPatch_t *grPatch, GLMipmap_t *grMipm
HWR_DrawPatchInCache(grMipmap,
newwidth, newheight,
grPatch->width, grPatch->height,
0, 0,
patch);
}