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rsx: Fix 3d swizzled texture to linear conversation

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eladash 2019-05-08 17:44:30 +03:00 committed by kd-11
parent feb77793df
commit 7ead021aa7
1 changed files with 32 additions and 13 deletions
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45
rpcs3/Emu/RSX/rsx_utils.h
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@ -215,24 +215,39 @@ namespace rsx
}
// Returns interleaved bits of X|Y|Z used as Z-order curve indices
static inline u32 calculate_z_index(u32 x, u32 y, u32 z)
static inline u32 calculate_z_index(u32 x, u32 y, u32 z, u32 log2_width, u32 log2_height, u32 log2_depth)
{
//Result = X' | Y' | Z' which are x,y,z bits interleaved
u32 shift_size = 0;
u32 result = 0;
AUDIT(x < (1u << log2_width) && y < (1u << log2_height) && z < (1u << log2_depth));
while (x | y | z)
// offset = X' | Y' | Z' which are x,y,z bits interleaved
u32 offset = 0;
u32 shift_count = 0;
do
{
result |= (x & 0x1) << shift_size++;
result |= (y & 0x1) << shift_size++;
result |= (z & 0x1) << shift_size++;
if (log2_width)
{
offset |= (x & 0x1) << shift_count++;
x >>= 1;
log2_width--;
}
x >>= 1;
y >>= 1;
z >>= 1;
if (log2_height)
{
offset |= (y & 0x1) << shift_count++;
y >>= 1;
log2_height--;
}
if (log2_depth)
{
offset |= (z & 0x1) << shift_count++;
z >>= 1;
log2_depth--;
}
}
while (x | y | z);
return result;
return offset;
}
/* Note: What the ps3 calls swizzling in this case is actually z-ordering / morton ordering of pixels
@ -332,13 +347,17 @@ namespace rsx
T *src = static_cast<T*>(input_pixels);
T *dst = static_cast<T*>(output_pixels);
const u32 log2_w = ceil_log2(width);
const u32 log2_h = ceil_log2(height);
const u32 log2_d = ceil_log2(depth);
for (u32 z = 0; z < depth; ++z)
{
for (u32 y = 0; y < height; ++y)
{
for (u32 x = 0; x < width; ++x)
{
*dst++ = src[calculate_z_index(x, y, z)];
*dst++ = src[calculate_z_index(x, y, z, log2_w, log2_h, log2_d)];
}
}
}