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optimize legacy sky handling in HWR_GenerateTexture

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same test case as earlier on stardust clasic ~20ms faster on my machine
This commit is contained in:
Alug 2025-08-07 15:35:03 +02:00
parent ec7fbb9be8
commit 273ac799c1
1 changed files with 14 additions and 16 deletions
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30
src/hardware/hw_cache.c
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@ -460,24 +460,22 @@ static void HWR_GenerateTexture(GLMapTexture_t *grtex, INT32 texnum, boolean noe
UINT8 *colormap = colormaps;
INT32 i;
INT32 i, idx;
boolean skyspecial = false; //poor hack for Legacy large skies..
texture = textures[texnum];
grtex->mipmap.flags = TF_CHROMAKEYED | TF_WRAPXY;
grtex->mipmap.format = textureformat;
// hack the Legacy skies..
if (texture->name[0] == 'S' &&
texture->name[1] == 'K' &&
texture->name[2] == 'Y' &&
(texture->name[4] == 0 ||
texture->name[5] == 0)
)
if (memcmp(texture->name, "SKY", 3) == 0 &&
(texture->name[4] == 0 || texture->name[5] == 0))
{
skyspecial = true;
grtex->mipmap.flags = TF_WRAPXY; // don't use the chromakey for sky
grtex->mipmap.flags &= ~TF_CHROMAKEYED; // don't use the chromakey for sky
grtex->mipmap.format = GL_TEXFMT_RGBA; // that skyspecial code below assumes this format ...
}
else
grtex->mipmap.flags = TF_CHROMAKEYED | TF_WRAPXY;
grtex->mipmap.width = (UINT16)texture->width;
grtex->mipmap.height = (UINT16)texture->height;
@ -501,14 +499,14 @@ static void HWR_GenerateTexture(GLMapTexture_t *grtex, INT32 texnum, boolean noe
RGBA_t col;
col = V_GetColor(HWR_PATCHES_CHROMAKEY_COLORINDEX);
for (j = 0; j < blockheight; j++)
for (idx = 0, j = 0; j < blockheight; j++)
{
for (i = 0; i < blockwidth; i++)
for (i = 0; i < blockwidth; i++, idx++)
{
block[4*(j*blockwidth+i)+0] = col.s.red;
block[4*(j*blockwidth+i)+1] = col.s.green;
block[4*(j*blockwidth+i)+2] = col.s.blue;
block[4*(j*blockwidth+i)+3] = 0xff;
block[4*idx+0] = col.s.red;
block[4*idx+1] = col.s.green;
block[4*idx+2] = col.s.blue;
block[4*idx+3] = 0xff;
}
}
}