raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-20 10:56:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

fix fetch shader V_SAD_U32, video-out buffer overlap

Browse Source
This commit is contained in:
nmzik
2026-07-19 17:53:15 +02:00
parent aebf6b4913
commit 42f634a751
4 changed files with 52 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/ShaderRecompilerComputeTests.cpp
+30 -3
View File
@@ -9009,14 +9009,29 @@ void CheckPs5GameExampleImageClearRuntimeShape() {
void CheckEmbeddedFetchVertexOffset() {
const auto MakeFetch = [](std::initializer_list<std::pair<u32, u32>> adds,
std::optional<std::pair<u32, u32>> late_add = {}) {
std::optional<std::pair<u32, u32>> late_add = {},
u32 accumulator_vgpr = 0, bool ngg_sad = false) {
std::vector<u32> code;
code.push_back(EncodeSMovB32(0, InlineU32(0)));
code.push_back(EncodeSmem0(0x02u, 20, 4));
code.push_back(EncodeSmem1(0));
const auto AppendOffsets = [&]() {
for (const auto [sgpr, index_vgpr] : adds) {
if (ngg_sad) {
AppendVop3(&code, 0x15du, accumulator_vgpr, sgpr, InlineU32(0),
Vgpr(index_vgpr));
} else {
AppendVop3B(&code, 0x30fu, accumulator_vgpr, 0, sgpr,
Vgpr(index_vgpr));
}
}
};
if (ngg_sad) {
AppendOffsets();
}
code.push_back(EncodeVop2(0x01u, 0, Vgpr(8), 5));
for (const auto [sgpr, index_vgpr] : adds) {
AppendVop3B(&code, 0x30fu, 0, 0, sgpr, Vgpr(index_vgpr));
if (!ngg_sad) {
AppendOffsets();
}
code.push_back(EncodeMubuf0(0x03u, 0, true));
code.push_back(EncodeMubuf1(9, 5, 0));
@@ -9076,6 +9091,18 @@ void CheckEmbeddedFetchVertexOffset() {
Resolve(valid, 5) == 5,
"canonical fetch offset or register index-offset precedence is wrong");
const auto ngg_code = MakeFetch({{18, 5}}, {}, 5, true);
Require("EmbeddedFetchNggVertexOffset", "encoding",
ngg_code[3] == 0xd55d0005u && ngg_code[4] == 0x04150012u,
"test does not encode the PS5 V_SAD_U32 vertex-offset prolog");
const auto ngg =
Compile("EmbeddedFetchNggVertexOffset", ngg_code, 8);
Require("EmbeddedFetchNggVertexOffset", "parse",
ngg.program.info.vertex_offset_sgpr == 18 && Resolve(ngg, 0) == 8 &&
Resolve(ngg, 5) == 5,
"PS5 NGG vertex-index offset or register index-offset precedence is "
"wrong");
const auto pointer = 0x5b7c5100u;
const auto late = Compile("EmbeddedFetchLateOffset",
MakeFetch({}, std::pair<u32, u32>{18, 0}), pointer);