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VertexLoaderX64: optimize color conversions

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This commit is contained in:
Tillmann Karras 2015-01-18 17:47:18 +01:00
parent 7d0cff05e9
commit bc5cf10ad5
1 changed files with 24 additions and 19 deletions
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31
Source/Core/VideoCommon/VertexLoaderX64.cpp
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@ -143,10 +143,6 @@ int VertexLoaderX64::ReadVertex(OpArg data, u64 attribute, int format, int count
void VertexLoaderX64::ReadColor(OpArg data, u64 attribute, int format, int elements)
{
int load_bytes = 0;
static const u32 mask_565 = 0xF8FCF800;
static const u32 mask_0f = 0x0F0F0F0F;
static const u32 mask_f0 = 0xF0F0F0F0;
static const u32 mask_fc = 0xFCFCFCFC;
switch (format)
{
case FORMAT_24B_888:
@ -164,10 +160,16 @@ void VertexLoaderX64::ReadColor(OpArg data, u64 attribute, int format, int eleme
// RRRRRGGG GGGBBBBB
// AAAAAAAA BBBBBBBB GGGGGGGG RRRRRRRR
LoadAndSwap(16, scratch1, data);
if (cpu_info.bBMI2)
if (cpu_info.bBMI1 && cpu_info.bBMI2)
{
PDEP(32, scratch1, scratch1, M(&mask_565));
MOV(32, R(scratch2), R(scratch1));
MOV(32, R(scratch2), Imm32(0x07C3F7C0));
PDEP(32, scratch3, scratch1, R(scratch2));
MOV(32, R(scratch2), Imm32(0xF8FCF800));
PDEP(32, scratch1, scratch1, R(scratch2));
ANDN(32, scratch2, scratch2, R(scratch3));
OR(32, R(scratch1), R(scratch2));
}
else
{
@ -183,9 +185,8 @@ void VertexLoaderX64::ReadColor(OpArg data, u64 attribute, int format, int eleme
SHL(32, R(scratch3), Imm8(11));
AND(32, R(scratch3), Imm32(0x0000F800));
OR(32, R(scratch1), R(scratch3));
MOV(32, R(scratch2), R(scratch1));
}
MOV(32, R(scratch2), R(scratch1));
SHR(32, R(scratch1), Imm8(5));
AND(32, R(scratch1), Imm32(0x07000700));
OR(32, R(scratch1), R(scratch2));
@ -193,8 +194,9 @@ void VertexLoaderX64::ReadColor(OpArg data, u64 attribute, int format, int eleme
SHR(32, R(scratch2), Imm8(6));
AND(32, R(scratch2), Imm32(0x00030000));
OR(32, R(scratch1), R(scratch2));
}
OR(8, R(scratch1), Imm8(0xFF));
OR(32, R(scratch1), Imm32(0x000000FF));
SwapAndStore(32, MDisp(dst_reg, m_dst_ofs), scratch1);
load_bytes = 2;
break;
@ -205,8 +207,10 @@ void VertexLoaderX64::ReadColor(OpArg data, u64 attribute, int format, int eleme
LoadAndSwap(16, scratch1, data);
if (cpu_info.bBMI2)
{
PDEP(32, scratch2, scratch1, M(&mask_0f));
PDEP(32, scratch1, scratch1, M(&mask_f0));
MOV(32, R(scratch3), Imm32(0x0F0F0F0F));
PDEP(32, scratch2, scratch1, R(scratch3));
MOV(32, R(scratch3), Imm32(0xF0F0F0F0));
PDEP(32, scratch1, scratch1, R(scratch3));
}
else
{
@ -243,7 +247,8 @@ void VertexLoaderX64::ReadColor(OpArg data, u64 attribute, int format, int eleme
LoadAndSwap(32, scratch1, data);
if (cpu_info.bBMI2)
{
PDEP(32, scratch1, scratch1, M(&mask_fc));
MOV(32, R(scratch2), Imm32(0xFCFCFCFC));
PDEP(32, scratch1, scratch1, R(scratch2));
MOV(32, R(scratch2), R(scratch1));
}
else