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Voodoo texture cache now handles updates to non-square textures correctly

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This commit is contained in:
SarahW 2017-01-14 20:57:46 +00:00
commit acb4307954
1 changed files with 7 additions and 4 deletions
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11
src/vid_voodoo.c
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@ -190,6 +190,7 @@ typedef struct texture_t
volatile int refcount, refcount_r[2];
int is16;
uint32_t palette_checksum;
uint32_t addr_start, addr_end;
uint32_t *data;
} texture_t;
@ -1466,8 +1467,10 @@ static void use_texture(voodoo_t *voodoo, voodoo_params_t *params, int tmu)
else
voodoo->texture_cache[tmu][c].palette_checksum = 0;
addr = voodoo->texture_cache[tmu][c].base + texture_offset[lod_min] * (voodoo->texture_cache[tmu][c].is16 ? 2 : 1);
addr_end = voodoo->texture_cache[tmu][c].base + texture_offset[lod_max+1] * (voodoo->texture_cache[tmu][c].is16 ? 2 : 1);
addr = voodoo->params.tex_base[tmu][lod_min];
addr_end = voodoo->params.tex_base[tmu][lod_max+1];
voodoo->texture_cache[tmu][c].addr_start = addr;
voodoo->texture_cache[tmu][c].addr_end = addr_end;
for (; addr <= addr_end; addr += (1 << TEX_DIRTY_SHIFT))
voodoo->texture_present[tmu][(addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT] = 1;
@ -1488,8 +1491,8 @@ static void flush_texture_cache(voodoo_t *voodoo, uint32_t dirty_addr, int tmu)
{
int lod_min = (voodoo->texture_cache[tmu][c].tLOD >> 2) & 15;
int lod_max = (voodoo->texture_cache[tmu][c].tLOD >> 8) & 15;
int addr_start = voodoo->texture_cache[tmu][c].base + texture_offset[lod_min] * (voodoo->texture_cache[tmu][c].is16 ? 2 : 1);
int addr_end = voodoo->texture_cache[tmu][c].base + texture_offset[lod_max+1] * (voodoo->texture_cache[tmu][c].is16 ? 2 : 1);
int addr_start = voodoo->texture_cache[tmu][c].addr_start;
int addr_end = voodoo->texture_cache[tmu][c].addr_end;
if (dirty_addr >= (addr_start & voodoo->texture_mask & ~0x3ff) && dirty_addr < (((addr_end & voodoo->texture_mask) + 0x3ff) & ~0x3ff))
{