1 /************************************************************************** 2 * 3 * Copyright 2010 Luca Barbieri 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 **************************************************************************/ 26 27 #include "d3d11app.h" 28 #include "d3d11u.h" 29 #include "d3d11tex.hlsl.ps.h" 30 #include "d3d11tex.hlsl.vs.h" 31 #include "../data/cornell_box_image.h" 32 #include "../data/tux_image.h" 33 34 struct d3d11tex : public d3d11_application 35 { 36 ID3D11PixelShader* ps; 37 ID3D11VertexShader* vs; 38 mesh* quad; 39 ID3D11ShaderResourceView* srv[2]; 40 ID3D11SamplerState* samp[2]; 41 42 virtual bool init(ID3D11Device* dev, int argc, char** argv) 43 { 44 ensure(dev->CreatePixelShader(g_ps, sizeof(g_ps), NULL, &ps)); 45 ensure(dev->CreateVertexShader(g_vs, sizeof(g_vs), NULL, &vs)); 46 47 quad = create_tex_quad(dev, g_vs, sizeof(g_vs)); 48 49 D3D11_TEXTURE2D_DESC texd; 50 memset(&texd, 0, sizeof(texd)); 51 texd.BindFlags = D3D11_BIND_SHADER_RESOURCE; 52 texd.Usage = D3D11_USAGE_IMMUTABLE; 53 texd.SampleDesc.Count = 1; 54 texd.Format = DXGI_FORMAT_R8G8B8A8_UNORM; 55 texd.Width = 32; 56 texd.Height = 32; 57 texd.ArraySize = 1; 58 texd.MipLevels = 1; 59 60 D3D11_SUBRESOURCE_DATA texsd; 61 texsd.SysMemPitch = 32 * 4; 62 texsd.SysMemSlicePitch = 32 * 32 * 4; 63 64 ID3D11Texture2D* tex; 65 66 texsd.pSysMem = g_cornell_box_image; 67 ensure(dev->CreateTexture2D(&texd, &texsd, &tex)); 68 ensure(dev->CreateShaderResourceView(tex, 0, &srv[0])); 69 tex->Release(); 70 71 texsd.pSysMem = g_tux_image; 72 ensure(dev->CreateTexture2D(&texd, &texsd, &tex)); 73 ensure(dev->CreateShaderResourceView(tex, 0, &srv[1])); 74 tex->Release(); 75 76 D3D11_SAMPLER_DESC sampd; 77 memset(&sampd, 0, sizeof(sampd)); 78 sampd.AddressU = D3D11_TEXTURE_ADDRESS_WRAP; 79 sampd.AddressV = D3D11_TEXTURE_ADDRESS_WRAP; 80 sampd.AddressW = D3D11_TEXTURE_ADDRESS_WRAP; 81 sampd.MinLOD = -FLT_MAX; 82 sampd.MaxLOD = FLT_MAX; 83 84 sampd.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT; 85 dev->CreateSamplerState(&sampd, &samp[0]); 86 87 sampd.Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT; 88 dev->CreateSamplerState(&sampd, &samp[1]); 89 return true; 90 } 91 92 virtual void draw(ID3D11DeviceContext* ctx, ID3D11RenderTargetView* rtv, unsigned width, unsigned height, double time) 93 { 94 D3D11_VIEWPORT vp; 95 memset(&vp, 0, sizeof(vp)); 96 vp.Width = (float)width; 97 vp.Height = (float)height; 98 vp.MaxDepth = 1.0f; 99 100 ctx->OMSetRenderTargets(1, &rtv, 0); 101 ctx->RSSetViewports(1, &vp); 102 103 ctx->VSSetShader(vs, NULL, 0); 104 ctx->PSSetShader(ps, NULL, 0); 105 106 ctx->PSSetShaderResources(0, 2, srv); 107 ctx->PSSetSamplers(0, 2, samp); 108 109 quad->bind_and_draw(ctx); 110 } 111 }; 112 113 d3d11_application* d3d11_application_create() 114 { 115 return new d3d11tex(); 116 } 117
