| … | |
… | |
| 3 | |
3 | |
| 4 | material::~material () |
4 | material::~material () |
| 5 | { |
5 | { |
| 6 | } |
6 | } |
| 7 | |
7 | |
| 8 | void simple_material::push () |
8 | void simple_material::begin () |
| 9 | { |
9 | { |
| 10 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *)&diffuse); |
10 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *)&diffuse); |
| 11 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&specular); |
11 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&specular); |
| 12 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&emission); |
12 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&emission); |
| 13 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
13 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
| 14 | } |
14 | } |
| 15 | |
15 | |
| 16 | void simple_material::pop () |
16 | void simple_material::end () |
| 17 | { |
17 | { |
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18 | } |
|
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19 | void osama_material::begin () |
|
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20 | { |
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21 | cgGLEnableProfile (vsh_profile); |
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22 | cgGLEnableProfile (fsh_profile); |
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23 | cgGLBindProgram (vsh); |
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24 | cgGLBindProgram (fsh); |
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25 | cgGLEnableTextureParameter(g_Texture); |
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26 | } |
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27 | void osama_material::end () |
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28 | { |
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29 | cgGLDisableTextureParameter(g_Texture); |
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30 | cgGLUnbindProgram (vsh_profile); |
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31 | cgGLUnbindProgram (fsh_profile); |
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32 | cgGLDisableProfile (vsh_profile); |
|
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33 | cgGLDisableProfile (fsh_profile); |
| 18 | } |
34 | } |
| 19 | |
35 | |
| 20 | |
36 | |
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37 | GLuint texture::load_texture (SDL_Surface *surface, GLfloat *texcoord) |
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38 | { |
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39 | GLuint texture; |
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40 | int w, h; |
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41 | SDL_Surface *image; |
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42 | SDL_Rect area; |
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43 | Uint32 saved_flags; |
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44 | Uint8 saved_alpha; |
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45 | |
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46 | /* Use the surface width and height expanded to powers of 2 */ |
|
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47 | //w = power_of_two (surface->w); |
|
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48 | //h = power_of_two (surface->h); |
|
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49 | w = power_of_two (surface->w); |
|
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50 | h = power_of_two (surface->h); |
|
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51 | texcoord[0] = 0.0f; /* Min X */ |
|
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52 | texcoord[1] = 0.0f; /* Min Y */ |
|
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53 | texcoord[2] = (GLfloat) surface->w / w; /* Max X */ |
|
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54 | texcoord[3] = (GLfloat) surface->h / h; /* Max Y */ |
|
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55 | |
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56 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
|
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57 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
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58 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
|
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59 | #else |
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60 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
|
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61 | #endif |
|
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62 | ); |
|
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63 | if (image == NULL) |
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64 | { |
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65 | return 0; |
|
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66 | } |
|
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67 | |
|
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68 | /* Save the alpha blending attributes */ |
|
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69 | saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
|
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70 | saved_alpha = surface->format->alpha; |
|
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71 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
|
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72 | { |
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73 | SDL_SetAlpha (surface, 0, 0); |
|
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74 | } |
|
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75 | |
|
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76 | /* Copy the surface into the GL texture image */ |
|
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77 | area.x = 0; |
|
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78 | area.y = 0; |
|
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79 | area.w = surface->w; |
|
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80 | area.h = surface->h; |
|
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81 | SDL_BlitSurface (surface, &area, image, &area); |
|
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82 | |
|
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83 | /* Restore the alpha blending attributes */ |
|
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84 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
|
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85 | { |
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86 | SDL_SetAlpha (surface, saved_flags, saved_alpha); |
|
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87 | } |
|
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88 | |
|
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89 | /* Create an OpenGL texture for the image */ |
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90 | glGenTextures (1, &texture); |
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91 | glBindTexture (GL_TEXTURE_2D, texture); |
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92 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
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93 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
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94 | glTexImage2D (GL_TEXTURE_2D, |
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95 | 0, |
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96 | GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
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97 | SDL_FreeSurface (image); /* No longer needed */ |
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98 | |
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99 | return texture; |
|
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100 | } |
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101 | |
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102 | |
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103 | CGcontext cgc; |
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104 | void init_shaders () { |
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105 | cgc = cgCreateContext (); |
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106 | } |
