Intro :
Dans nos programmes de rendu 3D nous avons besoin d’utiliser différents types de configurations de vertex.
Prérequis :
– Savoir utiliser les Vertex Input Layouts. Voir cet article.
Explications :
Les voici :
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struct PTNVertex { D3DXVECTOR3 position; D3DXVECTOR2 texture; D3DXVECTOR3 normal; }; struct PTVertex { D3DXVECTOR3 pos; D3DXVECTOR2 texture; }; struct PNVertex { D3DXVECTOR3 pos; D3DXVECTOR3 normal; }; struct PCVertex { D3DXVECTOR3 position; D3DXCOLOR color; }; struct PTCVertex { D3DXVECTOR3 pos; D3DXVECTOR2 texture; D3DXCOLOR color; }; struct PTNTBVertex { D3DXVECTOR3 position; D3DXVECTOR2 texture; D3DXVECTOR3 normal; D3DXVECTOR3 tangent; D3DXVECTOR3 binormal; }; static D3D10_INPUT_ELEMENT_DESC layoutPTN[] = { { "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 }, { "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 20, D3D10_INPUT_PER_VERTEX_DATA, 0 }, }; static D3D10_INPUT_ELEMENT_DESC layoutPN[] = { { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 }, { "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D10_INPUT_PER_VERTEX_DATA, 0 }, }; static D3D10_INPUT_ELEMENT_DESC layoutPC[] = { { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 }, { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 12, D3D10_INPUT_PER_VERTEX_DATA, 0 }, }; static D3D10_INPUT_ELEMENT_DESC layoutPTNTB[] = { { "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 }, { "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 20, D3D10_INPUT_PER_VERTEX_DATA, 0 }, { "TANGENT", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 32, D3D10_INPUT_PER_VERTEX_DATA, 0 }, { "BINORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 44, D3D10_INPUT_PER_VERTEX_DATA, 0 }, }; static D3D10_INPUT_ELEMENT_DESC layoutWater[] = { { "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 }, { "TEXCOORD", 1, DXGI_FORMAT_R32G32_FLOAT, 0, 20, D3D10_INPUT_PER_VERTEX_DATA, 0 }, }; static D3D10_INPUT_ELEMENT_DESC layoutPT[] = { { "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 }, }; static D3D10_INPUT_ELEMENT_DESC layoutPTC[] = { { "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 }, { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 20, D3D10_INPUT_PER_VERTEX_DATA, 0 }, }; enum VertexLayoutType { PTN_VERTEX, // Position, texture, normal PT_VERTEX, PN_VERTEX, // Position, normal PC_VERTEX, // Position, couleur PTC_VERTEX, PTNTB_VERTEX // Position, texture, normal, bitangente et binormale }; |
Résumé :
Nous avons présenté différents types de configurations de vertex dont vous pouvez vous inspirer.