dolphin/Source/Plugins/Plugin_VideoDX11/Src/NativeVertexFormat.cpp

145 lines
4.4 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "D3DBase.h"
#include "Profiler.h"
#include "x64Emitter.h"
#include "ABI.h"
#include "MemoryUtil.h"
#include "VertexShaderGen.h"
#include "CPMemory.h"
#include "NativeVertexFormat.h"
class D3DVertexFormat : public NativeVertexFormat
{
D3D11_INPUT_ELEMENT_DESC m_elems[32];
UINT m_num_elems;
public:
D3DVertexFormat();
~D3DVertexFormat();
void Initialize(const PortableVertexDeclaration &_vtx_decl);
void SetupVertexPointers() const;
};
NativeVertexFormat* NativeVertexFormat::Create()
{
return new D3DVertexFormat();
}
D3DVertexFormat::D3DVertexFormat() : m_num_elems(0) { }
D3DVertexFormat::~D3DVertexFormat() {}
DXGI_FORMAT VarToD3D(VarType t, int size)
{
DXGI_FORMAT retval = DXGI_FORMAT_UNKNOWN;
static const DXGI_FORMAT lookup1[5] = {
DXGI_FORMAT_R8_SNORM, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R16_SNORM, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_R32_FLOAT
};
static const DXGI_FORMAT lookup2[5] = {
DXGI_FORMAT_R8G8_SNORM, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R16G16_SNORM, DXGI_FORMAT_R16G16_UNORM, DXGI_FORMAT_R32G32_FLOAT
};
static const DXGI_FORMAT lookup3[5] = {
DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_R32G32B32_FLOAT
};
static const DXGI_FORMAT lookup4[5] = {
DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R16G16B16A16_SNORM, DXGI_FORMAT_R16G16B16A16_UNORM, DXGI_FORMAT_R32G32B32A32_FLOAT
};
switch (size)
{
case 1: retval = lookup1[t]; break;
case 2: retval = lookup2[t]; break;
case 3: retval = lookup3[t]; break;
case 4: retval = lookup4[t]; break;
default: break;
}
if (retval == DXGI_FORMAT_UNKNOWN)
{
PanicAlert("VarToD3D: Invalid type/size combo %i , %i", (int)t, size);
}
return retval;
}
void D3DVertexFormat::Initialize(const PortableVertexDeclaration &_vtx_decl)
{
vertex_stride = _vtx_decl.stride;
memset(m_elems, 0, sizeof(m_elems));
m_elems[m_num_elems].SemanticName = "POSITION";
m_elems[m_num_elems].AlignedByteOffset = 0;
m_elems[m_num_elems].Format = DXGI_FORMAT_R32G32B32_FLOAT;
m_elems[m_num_elems].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
++m_num_elems;
for (int i = 0; i < 3; i++)
{
if (_vtx_decl.normal_offset[i] > 0)
{
m_elems[m_num_elems].SemanticName = "NORMAL";
m_elems[m_num_elems].SemanticIndex = i;
m_elems[m_num_elems].AlignedByteOffset = _vtx_decl.normal_offset[i];
m_elems[m_num_elems].Format = VarToD3D(_vtx_decl.normal_gl_type, _vtx_decl.normal_gl_size);
m_elems[m_num_elems].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
++m_num_elems;
}
}
for (int i = 0; i < 2; i++)
{
if (_vtx_decl.color_offset[i] > 0)
{
m_elems[m_num_elems].SemanticName = "COLOR";
m_elems[m_num_elems].SemanticIndex = i;
m_elems[m_num_elems].AlignedByteOffset = _vtx_decl.color_offset[i];
m_elems[m_num_elems].Format = VarToD3D(_vtx_decl.color_gl_type, 4);
m_elems[m_num_elems].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
++m_num_elems;
}
}
for (int i = 0; i < 8; i++)
{
if (_vtx_decl.texcoord_offset[i] > 0)
{
m_elems[m_num_elems].SemanticName = "TEXCOORD";
m_elems[m_num_elems].SemanticIndex = i;
m_elems[m_num_elems].AlignedByteOffset = _vtx_decl.texcoord_offset[i];
m_elems[m_num_elems].Format = VarToD3D(_vtx_decl.texcoord_gl_type[i], _vtx_decl.texcoord_size[i]);
m_elems[m_num_elems].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
++m_num_elems;
}
}
if (_vtx_decl.posmtx_offset != -1)
{
m_elems[m_num_elems].SemanticName = "BLENDINDICES";
m_elems[m_num_elems].AlignedByteOffset = _vtx_decl.posmtx_offset;
m_elems[m_num_elems].Format = DXGI_FORMAT_R8G8B8A8_UNORM;
m_elems[m_num_elems].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
++m_num_elems;
}
}
void D3DVertexFormat::SetupVertexPointers() const
{
D3D::gfxstate->SetInputElements(m_elems, m_num_elems);
}