1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | |
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3 | #include "NvZincBlendeVolumeShader.h" |
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4 | |
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5 | NvZincBlendeVolumeShader::NvZincBlendeVolumeShader() |
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6 | { |
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7 | init(); |
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8 | } |
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9 | |
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10 | NvZincBlendeVolumeShader::~NvZincBlendeVolumeShader() |
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11 | { |
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12 | } |
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13 | |
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14 | void NvZincBlendeVolumeShader::init() |
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15 | { |
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16 | loadFragmentProgram("zincblende_volume.cg", "main"); |
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17 | } |
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18 | |
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19 | void NvZincBlendeVolumeShader::bind(unsigned int tfID, Volume *volume, int sliceMode) |
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20 | { |
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21 | ZincBlendeVolume *vol = (ZincBlendeVolume *)volume; |
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22 | setGLStateMatrixFPParameter("modelViewInv", MODELVIEW_MATRIX, |
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23 | MATRIX_INVERSE); |
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24 | setFPTextureParameter("tf", tfID); |
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25 | setFPParameter4f("cellSize", |
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26 | vol->cellSize.x, |
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27 | vol->cellSize.y, |
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28 | vol->cellSize.z, 0.); |
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29 | |
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30 | if (!sliceMode) { |
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31 | setFPParameter4f("renderParameters", |
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32 | vol->numSlices(), |
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33 | vol->opacityScale(), |
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34 | vol->diffuse(), |
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35 | vol->specular()); |
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36 | } else { |
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37 | setFPParameter4f("renderParameters", |
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38 | 0., |
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39 | vol->opacityScale(), |
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40 | vol->diffuse(), |
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41 | vol->specular()); |
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42 | } |
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43 | |
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44 | setFPParameter4f("options", |
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45 | 0.0f, |
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46 | volume->isosurface(), |
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47 | 0.0f, |
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48 | 0.0f); |
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49 | |
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50 | setFPTextureParameter("volumeA", vol->zincblendeTex[0]->id()); |
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51 | setFPTextureParameter("volumeB", vol->zincblendeTex[1]->id()); |
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52 | |
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53 | NvShader::bind(); |
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54 | } |
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55 | |
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56 | void NvZincBlendeVolumeShader::unbind() |
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57 | { |
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58 | disableFPTextureParameter("volumeA"); |
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59 | disableFPTextureParameter("volumeB"); |
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60 | disableFPTextureParameter("tf"); |
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61 | |
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62 | NvShader::unbind(); |
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63 | } |
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