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VideoCommon: A minor optimization.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6204 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nodchip 2010-09-14 13:52:17 +00:00
parent 412ce56f83
commit 08b999dbfa
1 changed files with 14 additions and 9 deletions
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23
Source/Core/VideoCommon/Src/VertexLoader.cpp
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@ -72,7 +72,16 @@ int colElements[2];
float posScale; float posScale;
float tcScale[8]; float tcScale[8];
static float texCoordFrac[32]; static const float fractionTable[32] = {
1.0f / (1U << 0), 1.0f / (1U << 1), 1.0f / (1U << 2), 1.0f / (1U << 3),
1.0f / (1U << 4), 1.0f / (1U << 5), 1.0f / (1U << 6), 1.0f / (1U << 7),
1.0f / (1U << 8), 1.0f / (1U << 9), 1.0f / (1U << 10), 1.0f / (1U << 11),
1.0f / (1U << 12), 1.0f / (1U << 13), 1.0f / (1U << 14), 1.0f / (1U << 15),
1.0f / (1U << 16), 1.0f / (1U << 17), 1.0f / (1U << 18), 1.0f / (1U << 19),
1.0f / (1U << 20), 1.0f / (1U << 21), 1.0f / (1U << 22), 1.0f / (1U << 23),
1.0f / (1U << 24), 1.0f / (1U << 25), 1.0f / (1U << 26), 1.0f / (1U << 27),
1.0f / (1U << 28), 1.0f / (1U << 29), 1.0f / (1U << 30), 1.0f / (1U << 31),
};
using namespace Gen; using namespace Gen;
@ -180,10 +189,6 @@ VertexLoader::VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr)
VertexLoader_Position::Init(); VertexLoader_Position::Init();
VertexLoader_TextCoord::Init(); VertexLoader_TextCoord::Init();
for (int i = 0; i < 32; ++i) {
texCoordFrac[i] = 1.0f / (1 << i);
}
m_VtxDesc = vtx_desc; m_VtxDesc = vtx_desc;
SetVAT(vtx_attr.g0.Hex, vtx_attr.g1.Hex, vtx_attr.g2.Hex); SetVAT(vtx_attr.g0.Hex, vtx_attr.g1.Hex, vtx_attr.g2.Hex);
@ -577,10 +582,10 @@ void VertexLoader::RunVertices(int vtx_attr_group, int primitive, int count)
m_VtxAttr.texCoord[7].Frac = g_VtxAttr[vtx_attr_group].g2.Tex7Frac; m_VtxAttr.texCoord[7].Frac = g_VtxAttr[vtx_attr_group].g2.Tex7Frac;
pVtxAttr = &m_VtxAttr; pVtxAttr = &m_VtxAttr;
posScale = 1.0f / float(1 << m_VtxAttr.PosFrac); posScale = fractionTable[m_VtxAttr.PosFrac];
if (m_NativeFmt->m_components & VB_HAS_UVALL) if (m_NativeFmt->m_components & VB_HAS_UVALL)
for (int i = 0; i < 8; i++) for (int i = 0; i < 8; i++)
tcScale[i] = texCoordFrac[m_VtxAttr.texCoord[i].Frac]; tcScale[i] = fractionTable[m_VtxAttr.texCoord[i].Frac];
for (int i = 0; i < 2; i++) for (int i = 0; i < 2; i++)
colElements[i] = m_VtxAttr.color[i].Elements; colElements[i] = m_VtxAttr.color[i].Elements;
@ -721,10 +726,10 @@ void VertexLoader::RunCompiledVertices(int vtx_attr_group, int primitive, int co
m_VtxAttr.texCoord[7].Frac = g_VtxAttr[vtx_attr_group].g2.Tex7Frac; m_VtxAttr.texCoord[7].Frac = g_VtxAttr[vtx_attr_group].g2.Tex7Frac;
pVtxAttr = &m_VtxAttr; pVtxAttr = &m_VtxAttr;
posScale = 1.0f / float(1 << m_VtxAttr.PosFrac); posScale = fractionTable[m_VtxAttr.PosFrac];
if (m_NativeFmt->m_components & VB_HAS_UVALL) if (m_NativeFmt->m_components & VB_HAS_UVALL)
for (int i = 0; i < 8; i++) for (int i = 0; i < 8; i++)
tcScale[i] = texCoordFrac[m_VtxAttr.texCoord[i].Frac]; tcScale[i] = fractionTable[m_VtxAttr.texCoord[i].Frac];
for (int i = 0; i < 2; i++) for (int i = 0; i < 2; i++)
colElements[i] = m_VtxAttr.color[i].Elements; colElements[i] = m_VtxAttr.color[i].Elements;