diff options
Diffstat (limited to 'Source/Core/VideoCommon/VertexLoaderX64.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/VertexLoaderX64.cpp | 56 |
1 files changed, 40 insertions, 16 deletions
diff --git a/Source/Core/VideoCommon/VertexLoaderX64.cpp b/Source/Core/VideoCommon/VertexLoaderX64.cpp index 27e24e6f28..b1474fd2fa 100644 --- a/Source/Core/VideoCommon/VertexLoaderX64.cpp +++ b/Source/Core/VideoCommon/VertexLoaderX64.cpp @@ -79,9 +79,10 @@ OpArg VertexLoaderX64::GetVertexAddr(CPArray array, VertexComponentFormat attrib } } -int VertexLoaderX64::ReadVertex(OpArg data, VertexComponentFormat attribute, ComponentFormat format, - int count_in, int count_out, bool dequantize, u8 scaling_exponent, - AttributeFormat* native_format) +void VertexLoaderX64::ReadVertex(OpArg data, VertexComponentFormat attribute, + ComponentFormat format, int count_in, int count_out, + bool dequantize, u8 scaling_exponent, + AttributeFormat* native_format) { static const __m128i shuffle_lut[5][3] = { {_mm_set_epi32(0xFFFFFFFFL, 0xFFFFFFFFL, 0xFFFFFFFFL, 0xFFFFFF00L), // 1x u8 @@ -276,8 +277,6 @@ int VertexLoaderX64::ReadVertex(OpArg data, VertexComponentFormat attribute, Com } write_zfreeze(); - - return load_bytes; } void VertexLoaderX64::ReadColor(OpArg data, VertexComponentFormat attribute, ColorFormat format) @@ -459,20 +458,45 @@ void VertexLoaderX64::GenerateVertexLoader() if (m_VtxDesc.low.Normal != VertexComponentFormat::NotPresent) { - static const u8 map[8] = {7, 6, 15, 14}; - const u8 scaling_exponent = map[u32(m_VtxAttr.g0.NormalFormat.Value())]; - const int limit = m_VtxAttr.g0.NormalElements == NormalComponentCount::NTB ? 3 : 1; + static constexpr Common::EnumMap<u8, static_cast<ComponentFormat>(7)> SCALE_MAP = {7, 6, 15, 14, + 0, 0, 0, 0}; + const u8 scaling_exponent = SCALE_MAP[m_VtxAttr.g0.NormalFormat]; + + // Normal + data = GetVertexAddr(CPArray::Normal, m_VtxDesc.low.Normal); + ReadVertex(data, m_VtxDesc.low.Normal, m_VtxAttr.g0.NormalFormat, 3, 3, true, scaling_exponent, + &m_native_vtx_decl.normals[0]); - for (int i = 0; i < limit; i++) + if (m_VtxAttr.g0.NormalElements == NormalComponentCount::NTB) { - if (!i || m_VtxAttr.g0.NormalIndex3) - { + const bool index3 = IsIndexed(m_VtxDesc.low.Normal) && m_VtxAttr.g0.NormalIndex3; + const int elem_size = GetElementSize(m_VtxAttr.g0.NormalFormat); + const int load_bytes = elem_size * 3; + + // Tangent + // If in Index3 mode, and indexed components are used, replace the index with a new index. + if (index3) data = GetVertexAddr(CPArray::Normal, m_VtxDesc.low.Normal); - int elem_size = GetElementSize(m_VtxAttr.g0.NormalFormat); - data.AddMemOffset(i * elem_size * 3); - } - data.AddMemOffset(ReadVertex(data, m_VtxDesc.low.Normal, m_VtxAttr.g0.NormalFormat, 3, 3, - true, scaling_exponent, &m_native_vtx_decl.normals[i])); + // The tangent comes after the normal; even in index3 mode, this offset is applied. + // Note that this is different from adding 1 to the index, as the stride for indices may be + // different from the size of the tangent itself. + data.AddMemOffset(load_bytes); + + ReadVertex(data, m_VtxDesc.low.Normal, m_VtxAttr.g0.NormalFormat, 3, 3, true, + scaling_exponent, &m_native_vtx_decl.normals[1]); + + // Undo the offset above so that data points to the normal instead of the tangent. + // This way, we can add 2*elem_size below to always point to the binormal, even if we replace + // data with a new index (which would point to the normal). + data.AddMemOffset(-load_bytes); + + // Binormal + if (index3) + data = GetVertexAddr(CPArray::Normal, m_VtxDesc.low.Normal); + data.AddMemOffset(load_bytes * 2); + + ReadVertex(data, m_VtxDesc.low.Normal, m_VtxAttr.g0.NormalFormat, 3, 3, true, + scaling_exponent, &m_native_vtx_decl.normals[2]); } } |