bool GutSetDefaultStatesDX10(void)
{
// sampler state / texture filter
{
D3D10_SAMPLER_DESC desc;
GutSetDX10DefaultSamplerDesc(desc);
desc.Filter = D3D10_FILTER_MIN_MAG_MIP_LINEAR;
desc.AddressU = D3D10_TEXTURE_ADDRESS_WRAP;
desc.AddressV = D3D10_TEXTURE_ADDRESS_WRAP;
desc.AddressW = D3D10_TEXTURE_ADDRESS_WRAP;
g_pd3dDevice->CreateSamplerState(&desc, &g_pSamplerState);
for ( int i=0; i<4; i++ )
{
g_pd3dDevice->PSSetSamplers(i, 1, &g_pSamplerState);
}
}
// rasterizer state
{
D3D10_RASTERIZER_DESC desc;
GutSetDX10DefaultRasterizerDesc(desc);
desc.CullMode = D3D10_CULL_BACK;
desc.FrontCounterClockwise = true;
if ( D3D_OK != g_pd3dDevice->CreateRasterizerState(&desc, &g_pCull) )
return false;
g_pd3dDevice->RSSetState(g_pCull);
}
return true;
}
bool InitResourceDX10(void)
{
g_pDevice = GutGetGraphicsDeviceDX10();
ID3D10Blob *pVSCode = NULL;
// 載入Vertex Shader
g_pVertexShader = GutLoadVertexShaderDX10_HLSL("../../shaders/texture_alphatest_dx10.hlsl", "VS", "vs_4_0", &pVSCode);
if ( NULL==g_pVertexShader )
return false;
// 載入Pixel Shader
g_pPixelShader = GutLoadPixelShaderDX10_HLSL("../../shaders/texture_alphatest_dx10.hlsl", "PS", "ps_4_0");
if ( NULL==g_pPixelShader )
return false;
g_pTexture0 = GutLoadTexture_DX10("../../textures/brickwall_broken.tga");
g_pTexture1 = GutLoadTexture_DX10("../../textures/spotlight_effect.tga");
if ( g_pTexture0==NULL || g_pTexture1==NULL )
return false;
// 設定Vertex資料格式
D3D10_INPUT_ELEMENT_DESC layout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D10_INPUT_PER_VERTEX_DATA, 0 }
};
if ( D3D_OK != g_pDevice->CreateInputLayout( layout, sizeof(layout)/sizeof(D3D10_INPUT_ELEMENT_DESC), pVSCode->GetBufferPointer(), pVSCode->GetBufferSize(), &g_pVertexLayout ) )
return false;
SAFE_RELEASE(pVSCode);
D3D10_BUFFER_DESC cbDesc;
// vertex buffer
{
cbDesc.ByteWidth = sizeof(Vertex_VT) * 4;
cbDesc.Usage = D3D10_USAGE_DYNAMIC ;
cbDesc.BindFlags = D3D10_BIND_VERTEX_BUFFER;
cbDesc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
D3D10_SUBRESOURCE_DATA subDesc;
ZeroMemory(&subDesc, sizeof(subDesc));
subDesc.pSysMem = g_Quad;
// 配置一塊可以存放Vertex的記憶體, 也就是Vertex Buffer.
if ( D3D_OK != g_pDevice->CreateBuffer( &cbDesc, &subDesc, &g_pVertexBuffer ) )
return false;
}
// 配置Shader參數的記憶體空間
{
cbDesc.ByteWidth = sizeof(Matrix4x4);
cbDesc.Usage = D3D10_USAGE_DYNAMIC;
cbDesc.BindFlags = D3D10_BIND_CONSTANT_BUFFER;
cbDesc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
if ( D3D_OK != g_pDevice->CreateBuffer( &cbDesc, NULL, &g_pConstantBuffer ) )
return false;
}
// rasterizer state物件
{
D3D10_RASTERIZER_DESC desc;
GutSetDX10DefaultRasterizerDesc(desc);
desc.CullMode = D3D10_CULL_NONE;
desc.FrontCounterClockwise = true;
if ( D3D_OK != g_pDevice->CreateRasterizerState(&desc, &g_pRasterizerState) )
return false;
g_pDevice->RSSetState(g_pRasterizerState);
}
// depth stencil state
{
D3D10_DEPTH_STENCIL_DESC desc;
GutSetDX10DefaultDepthStencilDesc(desc);
desc.DepthEnable = FALSE;
desc.DepthWriteMask = D3D10_DEPTH_WRITE_MASK_ZERO;
desc.DepthFunc = D3D10_COMPARISON_ALWAYS;
desc.StencilEnable = TRUE;
desc.StencilReadMask = 0xff;
desc.StencilWriteMask = 0xff;
desc.FrontFace.StencilFailOp = D3D10_STENCIL_OP_KEEP;
desc.FrontFace.StencilDepthFailOp = D3D10_STENCIL_OP_KEEP;
desc.FrontFace.StencilPassOp = D3D10_STENCIL_OP_REPLACE;
desc.FrontFace.StencilFunc = D3D10_COMPARISON_ALWAYS;
desc.BackFace = desc.FrontFace;
// 這個設定用來設定像素的stencil值
g_pDevice->CreateDepthStencilState(&desc, &g_pStencilState_Replace);
desc.FrontFace.StencilFunc = D3D10_COMPARISON_EQUAL;
desc.BackFace = desc.FrontFace;
// 這個設定用來做stencil test測試
g_pDevice->CreateDepthStencilState(&desc, &g_pStencilState_Test);
}
// blend state
{
D3D10_BLEND_DESC desc;
GutSetDX10DefaultBlendDesc(desc);
desc.BlendEnable[0] = TRUE;
desc.SrcBlend = D3D10_BLEND_ONE;
desc.DestBlend = D3D10_BLEND_ONE;
desc.BlendOp = D3D10_BLEND_OP_ADD;
desc.SrcBlendAlpha = D3D10_BLEND_ONE;
desc.DestBlendAlpha = D3D10_BLEND_ONE;
desc.BlendOpAlpha = D3D10_BLEND_OP_ADD;
g_pDevice->CreateBlendState(&desc, &g_pBlendState);
}
// sampler state / texture filter
{
D3D10_SAMPLER_DESC desc;
GutSetDX10DefaultSamplerDesc(desc);
desc.Filter = D3D10_FILTER_MIN_MAG_MIP_LINEAR;
desc.AddressU = D3D10_TEXTURE_ADDRESS_WRAP;
desc.AddressV = D3D10_TEXTURE_ADDRESS_WRAP;
desc.AddressW = D3D10_TEXTURE_ADDRESS_WRAP;
g_pDevice->CreateSamplerState(&desc, &g_pSamplerState);
for ( int i=0; i<4; i++ )
{
g_pDevice->PSSetSamplers(i, 1, &g_pSamplerState);
}
}
// 計算投影矩陣
g_view_matrix = GutMatrixLookAtRH(g_eye, g_lookat, g_up);
g_proj_matrix = GutMatrixOrthoRH_DirectX(g_fOrthoWidth, g_fOrthoHeight, 0.1f, 100.0f);
return true;
}
