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Generate the TF_CHROMAKEYED texture in hw_cache.c

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This commit is contained in:
Lactozilla 2024-06-03 00:14:33 -03:00
parent dd5f030b16
commit b89aaf709e
2 changed files with 21 additions and 71 deletions
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55
src/hardware/hw_cache.c
View file

@ -450,15 +450,10 @@ static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex, GLMipmap_t
texture = textures[texnum];
mipmap->flags = TF_WRAPXY;
mipmap->width = (UINT16)texture->width;
mipmap->height = (UINT16)texture->height;
mipmap->format = textureformat;
blockwidth = texture->width;
blockheight = texture->height;
blocksize = (blockwidth * blockheight);
block = MakeBlock(&grtex->mipmap);
blocksize = blockwidth * blockheight;
block = MakeBlock(mipmap);
// Composite the columns together.
for (i = 0, patch = texture->patches; i < texture->patchcount; i++, patch++)
@ -488,7 +483,7 @@ static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex, GLMipmap_t
realpatch = W_CachePatchNumPwad(wadnum, lumpnum, PU_PATCH);
}
HWR_DrawTexturePatchInCache(&grtex->mipmap, blockwidth, blockheight, texture, patch, realpatch);
HWR_DrawTexturePatchInCache(mipmap, blockwidth, blockheight, texture, patch, realpatch);
if (free_patch)
Patch_Free(realpatch);
@ -741,21 +736,6 @@ void HWR_LoadMapTextures(size_t pnumtextures)
// --------------------------------------------------------------------------
// Make sure texture is downloaded and set it as the source
// --------------------------------------------------------------------------
static void GetMapTexture(INT32 tex, GLMapTexture_t *grtex, GLMipmap_t *mipmap)
{
// Generate texture if missing from the cache
if (!mipmap->data && !mipmap->downloaded)
HWR_GenerateTexture(tex, grtex, mipmap);
// If hardware does not have the texture, then call pfnSetTexture to upload it
if (!mipmap->downloaded)
HWD.pfnSetTexture(mipmap);
HWR_SetCurrentTexture(mipmap);
// The system-memory data can be purged now.
Z_ChangeTag(mipmap->data, PU_HWRCACHE_UNLOCKED);
}
GLMapTexture_t *HWR_GetTexture(INT32 tex, boolean chromakeyed)
{
if (tex < 0 || tex >= (signed)gl_numtextures)
@ -772,35 +752,38 @@ GLMapTexture_t *HWR_GetTexture(INT32 tex, boolean chromakeyed)
GLMipmap_t *grMipmap = &grtex->mipmap;
GLMipmap_t *originalMipmap = grMipmap;
if (!originalMipmap->data && !originalMipmap->downloaded)
HWR_GenerateTexture(tex, grtex, originalMipmap);
if (!originalMipmap->downloaded)
{
originalMipmap->flags = TF_WRAPXY;
originalMipmap->width = (UINT16)textures[tex]->width;
originalMipmap->height = (UINT16)textures[tex]->height;
originalMipmap->format = textureformat;
}
// If chroma-keyed, create or use a different mipmap for the variant
if (chromakeyed && !textures[tex]->transparency && originalMipmap->data)
if (chromakeyed && !textures[tex]->transparency)
{
// Allocate it if it wasn't already
if (!originalMipmap->nextcolormap)
{
GLMipmap_t *newMipmap = calloc(1, sizeof (*grMipmap));
if (newMipmap == NULL)
I_Error("%s: Out of memory", "HWR_GetLevelFlat");
I_Error("%s: Out of memory", "HWR_GetTexture");
newMipmap->flags = TF_WRAPXY | TF_CHROMAKEYED;
newMipmap->width = (UINT16)textures[tex]->width;
newMipmap->height = (UINT16)textures[tex]->height;
newMipmap->format = textureformat;
newMipmap->flags = originalMipmap->flags | TF_CHROMAKEYED;
newMipmap->width = originalMipmap->width;
newMipmap->height = originalMipmap->height;
newMipmap->format = originalMipmap->format;
originalMipmap->nextcolormap = newMipmap;
}
// Upload and bind the variant texture instead of the original one
grMipmap = originalMipmap->nextcolormap;
// Use the original texture's pixel data
// It can just be a pointer to it, since the r_opengl backend deals with the pixels
// that are supposed to be transparent.
grMipmap->data = originalMipmap->data;
}
if (!grMipmap->data)
HWR_GenerateTexture(tex, grtex, grMipmap);
if (!grMipmap->downloaded)
HWD.pfnSetTexture(grMipmap);
HWR_SetCurrentTexture(grMipmap);

33
src/hardware/r_opengl/r_opengl.c
View file

@ -1555,43 +1555,10 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
}
else if (pTexInfo->format == GL_TEXFMT_RGBA)
{
if (pTexInfo->flags & TF_CHROMAKEYED)
{
RGBA_t *color = (RGBA_t *)pTexInfo->data;
AllocTextureBuffer(pTexInfo);
ptex = tex = textureBuffer;
for (j = 0; j < h; j++)
{
for (i = 0; i < w; i++)
{
if (color->rgba == myPaletteData[HWR_PATCHES_CHROMAKEY_COLORINDEX].rgba)
{
tex[w*j+i].s.red = 0;
tex[w*j+i].s.green = 0;
tex[w*j+i].s.blue = 0;
tex[w*j+i].s.alpha = 0;
pTexInfo->flags |= TF_TRANSPARENT; // there is a hole in it
}
else
{
tex[w*j+i].s.red = color->s.red;
tex[w*j+i].s.green = color->s.green;
tex[w*j+i].s.blue = color->s.blue;
tex[w*j+i].s.alpha = color->s.alpha;
}
color++;
}
}
}
else
{
// Directly upload the texture data without any kind of conversion.
ptex = pImgData;
}
}
else if (pTexInfo->format == GL_TEXFMT_ALPHA_INTENSITY_88)
{
AllocTextureBuffer(pTexInfo);