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[AArch64] Implement ZFreeze cache

This commit is contained in:
Ryan Houdek 2015-06-06 23:50:50 -05:00 committed by Tillmann Karras
parent 5ddd2cef6c
commit 10bd68936c
1 changed files with 20 additions and 0 deletions
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20
Source/Core/VideoCommon/VertexLoaderARM64.cpp
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@ -165,6 +165,18 @@ int VertexLoaderARM64::ReadVertex(u64 attribute, int format, int count_in, int c
m_float_emit.ST1(32, 1, coords, EncodeRegTo64(scratch2_reg));
}
// Z-Freeze
if (native_format == &m_native_vtx_decl.position)
{
CMP(count_reg, 3);
FixupBranch dont_store = B(CC_GT);
MOVI2R(EncodeRegTo64(scratch2_reg), (u64)VertexLoaderManager::position_cache);
ORR(scratch1_reg, WSP, count_reg, ArithOption(count_reg, ST_LSL, 4));
ADD(EncodeRegTo64(scratch1_reg), EncodeRegTo64(scratch1_reg), EncodeRegTo64(scratch2_reg));
m_float_emit.STUR(write_size, coords, EncodeRegTo64(scratch1_reg), -16);
SetJumpTarget(dont_store);
}
native_format->components = count_out;
native_format->enable = true;
native_format->offset = m_dst_ofs;
@ -342,6 +354,14 @@ void VertexLoaderARM64::GenerateVertexLoader()
LDRB(INDEX_UNSIGNED, scratch1_reg, src_reg, m_src_ofs);
AND(scratch1_reg, scratch1_reg, 0, 5);
STR(INDEX_UNSIGNED, scratch1_reg, dst_reg, m_dst_ofs);
// Z-Freeze
CMP(count_reg, 3);
FixupBranch dont_store = B(CC_GT);
MOVI2R(EncodeRegTo64(scratch2_reg), (u64)VertexLoaderManager::position_matrix_index - sizeof(u32));
STR(INDEX_UNSIGNED, scratch1_reg, EncodeRegTo64(scratch2_reg), 0);
SetJumpTarget(dont_store);
m_native_components |= VB_HAS_POSMTXIDX;
m_native_vtx_decl.posmtx.components = 4;
m_native_vtx_decl.posmtx.enable = true;