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remove V_LinearToPatch

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It has a limitation: the maximum patch height is 256. Besides, the performance
difference is not that big.
This commit is contained in:
Roman Fomin 2024-08-25 10:18:39 +07:00
parent dbd79350a8
commit f34ad25931
2 changed files with 5 additions and 75 deletions
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77
src/v_fmt.c
View File

@ -111,7 +111,7 @@ patch_t *V_LinearToTransPatch(const byte *data, int width, int height,
// If the current pixel is not transparent, add it to the current
// post
if (data[offset] != color_key)
if (color_key == NO_COLOR_KEY || data[offset] != color_key)
{
// If we're not currently building a post, begin one and set its
// offset
@ -239,7 +239,7 @@ patch_t *V_LinearToTransPatch(const byte *data, int width, int height,
array_free(columns);
if (*output_size)
if (output_size)
{
*output_size = size;
}
@ -248,64 +248,6 @@ patch_t *V_LinearToTransPatch(const byte *data, int width, int height,
return (patch_t *)output;
}
patch_t *V_LinearToPatch(byte *data, int width, int height, int *output_size,
int tag, void **user)
{
size_t size = 0;
size += 4 * sizeof(int16_t); // 4 header shorts
size += width * sizeof(int32_t); // offsets table
size += width * (height + sizeof(column_t) + 3); // 2 pad bytes and cap
byte *output = Z_Malloc(size, tag, user);
byte *rover = output;
// write header fields
PUTSHORT(rover, width);
PUTSHORT(rover, height);
// This is written to afterwards
PUTSHORT(rover, 0);
PUTSHORT(rover, 0);
// set starting position of column offsets table, and skip over it
byte *col_offsets = rover;
rover += width * sizeof(int32_t);
for (int x = 0; x < width; ++x)
{
// write column offset to offset table
PUTLONG(col_offsets, rover - output);
// column_t topdelta
PUTBYTE(rover, 0);
// column_t length
PUTBYTE(rover, height);
// pad byte
++rover;
byte *src = data + x;
for (int y = 0; y < height; ++y)
{
PUTBYTE(rover, *src);
src += width;
}
// pad byte
++rover;
// Write 255 cap byte
PUTBYTE(rover, 0xff);
}
if (*output_size)
{
*output_size = size;
}
return (patch_t *)output;
}
static patch_t *DummyPatch(int lump, pu_tag tag)
{
int num = (W_CheckNumForName)("TNT1A0", ns_sprites);
@ -688,18 +630,9 @@ patch_t *V_CachePatchNum(int lump, pu_tag tag)
Z_Free(buffer);
patch_t *patch;
if (png.color_key == NO_COLOR_KEY)
{
patch = V_LinearToPatch(png.image, png.width, png.height,
&lumpinfo[lump].fmt_size, tag, &lumpcache[lump]);
}
else
{
patch = V_LinearToTransPatch(png.image, png.width, png.height,
&lumpinfo[lump].fmt_size, png.color_key,
tag, &lumpcache[lump]);
}
patch_t *patch = V_LinearToTransPatch(png.image, png.width, png.height,
&lumpinfo[lump].fmt_size,
png.color_key, tag, &lumpcache[lump]);
patch->leftoffset = leftoffset;
patch->topoffset = topoffset;

3
src/v_fmt.h
View File

@ -24,9 +24,6 @@ struct patch_s *V_LinearToTransPatch(const byte *data, int width, int height,
int *output_size, int color_key,
pu_tag tag, void **user);
struct patch_s *V_LinearToPatch(byte *data, int width, int height,
int *output_size, int tag, void **user);
struct patch_s *V_CachePatchNum(int lump, pu_tag tag);
inline static struct patch_s *V_CachePatchName(const char *name, pu_tag tag)