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1 | #include <cstdlib> |
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2 | #include <cstring> |
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3 | |
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4 | #include <algorithm> |
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5 | |
| 1 | #include "opengl.h" |
6 | #include "opengl.h" |
| 2 | #include "material.h" |
7 | #include "material.h" |
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8 | #include "util.h" |
| 3 | |
9 | |
| 4 | material::~material () |
10 | material::~material () |
| 5 | { |
11 | { |
| 6 | } |
12 | } |
| 7 | |
13 | |
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14 | void |
| 8 | void simple_material::begin () |
15 | simple_material::begin () |
| 9 | { |
16 | { |
| 10 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *)&diffuse); |
17 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); |
| 11 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&specular); |
18 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); |
| 12 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&emission); |
19 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); |
| 13 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
20 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
| 14 | } |
21 | } |
| 15 | |
22 | |
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23 | void |
| 16 | void simple_material::end () |
24 | simple_material::end () |
| 17 | { |
25 | { |
| 18 | } |
26 | } |
| 19 | |
27 | |
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28 | void |
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29 | osama_material::begin () |
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30 | { |
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31 | cgGLEnableProfile (vsh_profile); |
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32 | cgGLEnableProfile (fsh_profile); |
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33 | cgGLEnableTextureParameter (g_Texture); |
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34 | } |
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35 | |
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36 | void |
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37 | osama_material::end () |
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38 | { |
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39 | cgGLDisableTextureParameter (g_Texture); |
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40 | // cgGLUnbindProgram (vsh_profile); |
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41 | // cgGLUnbindProgram (fsh_profile); |
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42 | cgGLDisableProfile (vsh_profile); |
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43 | cgGLDisableProfile (fsh_profile); |
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44 | } |
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45 | |
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46 | GLuint |
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47 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
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48 | { |
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49 | GLuint textur; |
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50 | int w, h; |
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51 | SDL_Surface *image; |
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52 | SDL_Rect area; |
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53 | Uint32 saved_flags; |
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54 | Uint8 saved_alpha; |
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55 | |
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56 | /* Use the surface width and height expanded to powers of 2 */ |
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57 | //w = power_of_two (surface->w); |
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58 | //h = power_of_two (surface->h); |
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59 | w = power_of_two (surface->w); |
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60 | h = power_of_two (surface->h); |
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61 | tex2oord[0] = 0.0f; /* Min X */ |
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62 | tex2oord[1] = 0.0f; /* Min Y */ |
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63 | tex2oord[2] = (GLfloat) surface->w / w; /* Max X */ |
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64 | tex2oord[3] = (GLfloat) surface->h / h; /* Max Y */ |
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65 | |
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66 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
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67 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
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68 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
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69 | #else |
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70 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
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71 | #endif |
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72 | ); |
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73 | |
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74 | if (image == NULL) |
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75 | return 0; |
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76 | |
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77 | /* Save the alpha blending attributes */ |
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78 | saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
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79 | saved_alpha = surface->format->alpha; |
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80 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
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81 | SDL_SetAlpha (surface, 0, 0); |
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82 | |
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83 | /* Copy the surface into the GL texture image */ |
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84 | area.x = 0; |
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85 | area.y = 0; |
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86 | area.w = surface->w; |
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87 | area.h = surface->h; |
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88 | SDL_BlitSurface (surface, &area, image, &area); |
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89 | |
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90 | /* Restore the alpha blending attributes */ |
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91 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
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92 | SDL_SetAlpha (surface, saved_flags, saved_alpha); |
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93 | |
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94 | /* Create an OpenGL texture for the image */ |
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95 | glGenTextures (1, &textur); |
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96 | glBindTexture (GL_TEXTURE_2D, textur); |
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97 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
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98 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
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99 | glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); // GENERATE_MIPMAP_SGIS |
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100 | glTexImage2D (GL_TEXTURE_2D, |
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101 | 0, |
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102 | GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
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103 | SDL_FreeSurface (image); /* No longer needed */ |
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104 | |
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105 | return textur; |
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106 | } |
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107 | |
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108 | CGcontext cgc; |
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109 | |
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110 | void |
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111 | init_shaders () |
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112 | { |
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113 | cgc = cgCreateContext (); |
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114 | } |
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115 | |
