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rsx: Fix saw-tooth artifacts when using GPU deswizzle for small texel widths

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kd-11 2025-11-24 21:57:12 +03:00 committed by kd-11
parent 6a398f9947
commit 5a9083e4fc
1 changed files with 6 additions and 4 deletions
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10
rpcs3/Emu/RSX/Program/GLSLSnippets/GPUDeswizzle.glsl
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@ -105,7 +105,6 @@ uint get_z_index(const in uint x_, const in uint y_, const in uint z_)
void decode_16b(const in uint texel_id, in uint x, const in uint y, const in uint z)
{
const uint masks[] = { 0x0000FFFF, 0xFFFF0000 };
uint accumulator = 0;
const uint subword_count = min(invocation.size.x, 2);
@ -113,7 +112,9 @@ void decode_16b(const in uint texel_id, in uint x, const in uint y, const in uin
{
uint src_texel_id = get_z_index(x, y, z);
uint src_id = (src_texel_id + invocation.data_offset);
accumulator |= data_in[src_id / 2] & masks[subword];
int src_bit_offset = int(src_id % 2) << 4;
uint src_value = bitfieldExtract(data_in[src_id / 2], src_bit_offset, 16);
accumulator = bitfieldInsert(accumulator, src_value, int(subword << 4), 16);
}
data_out[texel_id / 2] = %f(accumulator);
@ -123,7 +124,6 @@ void decode_16b(const in uint texel_id, in uint x, const in uint y, const in uin
void decode_8b(const in uint texel_id, in uint x, const in uint y, const in uint z)
{
const uint masks[] = { 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 };
uint accumulator = 0;
const uint subword_count = min(invocation.size.x, 4);
@ -131,7 +131,9 @@ void decode_8b(const in uint texel_id, in uint x, const in uint y, const in uint
{
uint src_texel_id = get_z_index(x, y, z);
uint src_id = (src_texel_id + invocation.data_offset);
accumulator |= data_in[src_id / 4] & masks[subword];
int src_bit_offset = int(src_id % 4) << 3;
uint src_value = bitfieldExtract(data_in[src_id / 4], src_bit_offset, 8);
accumulator = bitfieldInsert(accumulator, src_value, int(subword << 3), 8);
}
data_out[texel_id / 4] = accumulator;