Last change
on this file since 828 was
776,
checked in by vrinside, 17 years ago
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Add 3D surface plot and grid rendering
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File size:
958 bytes
|
Line | |
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1 | #include "NvShader.h" |
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2 | #include <stdio.h> |
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3 | |
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4 | CGcontext g_context = 0; |
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5 | |
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6 | void NvInitCG() |
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7 | { |
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8 | g_context = cgCreateContext(); |
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9 | } |
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10 | |
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11 | NvShader::NvShader() |
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12 | : _cgVP(0), _cgFP(0) |
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13 | { |
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14 | } |
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15 | |
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16 | NvShader::~NvShader() |
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17 | { |
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18 | } |
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19 | |
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20 | void NvShader::loadVertexProgram(const char* fileName, const char* entryPoint) |
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21 | { |
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22 | resetPrograms(); |
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23 | |
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24 | printf("[%s] loading\n", fileName); |
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25 | _cgVP = cgCreateProgramFromFile(g_context, CG_SOURCE, fileName, CG_PROFILE_VP30, |
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26 | entryPoint, NULL); |
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27 | |
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28 | cgGLLoadProgram(_cgVP); |
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29 | } |
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30 | |
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31 | void NvShader::loadFragmentProgram(const char* fileName, const char* entryPoint) |
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32 | { |
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33 | printf("[%s] loading\n", fileName); |
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34 | _cgFP = cgCreateProgramFromFile(g_context, CG_SOURCE, fileName, CG_PROFILE_FP30, |
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35 | entryPoint, NULL); |
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36 | |
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37 | cgGLLoadProgram(_cgFP); |
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38 | } |
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39 | |
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40 | void NvShader::resetPrograms() |
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41 | { |
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42 | if (_cgVP != 0) |
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43 | { |
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44 | cgDestroyProgram(_cgVP); |
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45 | } |
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46 | |
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47 | if (_cgFP != 0) |
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48 | { |
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49 | cgDestroyProgram(_cgFP); |
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50 | } |
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51 | } |
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