1 | #include "opengl.h" |
1 | #include "opengl.h" |
2 | #include "material.h" |
2 | #include "material.h" |
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3 | |
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4 | #include <cstdlib> |
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5 | #include <cstring> |
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6 | |
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7 | namespace shader { |
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8 | |
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9 | static CGcontext cg_context = cgCreateContext (); |
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10 | |
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11 | int var_i::next_name = 0; |
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12 | |
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13 | var_i::var_i (CGtype cgtype) |
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14 | { |
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15 | name = ++next_name; |
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16 | param = cgCreateParameter (cg_context, cgtype); |
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17 | } |
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18 | |
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19 | var_i::~var_i () |
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20 | { |
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21 | cgDestroyParameter (param); |
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22 | } |
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23 | |
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24 | void var_i::build (shader_builder &b) |
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25 | { |
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26 | abort (); |
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27 | } |
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28 | |
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29 | void var_i::build_decl (shader_builder &b) |
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30 | { |
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31 | abort (); |
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32 | } |
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33 | |
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34 | template<int dimension, GLenum gltype, CGtype cgtype> |
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35 | varying_i<dimension, gltype, cgtype>::varying_i (const char *binding) |
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36 | : var_i (cgtype) |
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37 | { |
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38 | strcpy (this->binding, binding); |
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39 | } |
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40 | |
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41 | varying_3f_i position_3f_i ("POSITION"); |
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42 | varying_3f_i normal_3f_i ("NORMAL"); |
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43 | varying_3f_i color0_3f_i ("COLOR0"); |
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44 | varying_3f_i color1_3f_i ("COLOR1"); |
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45 | varying_2f_i texcoord0_2f_i ("TEXCOORD0"); |
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46 | varying_2f_i texcoord1_2f_i ("TEXCOORD1"); |
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47 | varying_2f_i texcoord2_2f_i ("TEXCOORD2"); |
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48 | varying_2f_i texcoord3_2f_i ("TEXCOORD3"); |
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49 | varying_2f_i texcoord4_2f_i ("TEXCOORD4"); |
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50 | varying_2f_i texcoord5_2f_i ("TEXCOORD5"); |
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51 | varying_2f_i texcoord6_2f_i ("TEXCOORD6"); |
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52 | varying_2f_i texcoord7_2f_i ("TEXCOORD7"); |
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53 | varying_1f_i psize_1f_i ("PSIZE"); |
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54 | varying_1f_i attr6_1f_i ("ATTR6"), attr7_1f_i ("ATTR7"); |
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55 | varying_2f_i attr6_2f_i ("ATTR6"), attr7_2f_i ("ATTR7"); |
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56 | varying_3f_i attr6_3f_i ("ATTR6"), attr7_3f_i ("ATTR7"); |
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57 | } |
3 | |
58 | |
4 | material::~material () |
59 | material::~material () |
5 | { |
60 | { |
6 | } |
61 | } |
7 | |
62 | |
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63 | void |
8 | void simple_material::begin () |
64 | simple_material::begin () |
9 | { |
65 | { |
10 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *)&diffuse); |
66 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); |
11 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&specular); |
67 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); |
12 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&emission); |
68 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); |
13 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
69 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
14 | } |
70 | } |
15 | |
71 | |
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72 | void |
16 | void simple_material::end () |
73 | simple_material::end () |
17 | { |
74 | { |
18 | } |
75 | } |
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76 | |
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77 | void |
19 | void osama_material::begin () |
78 | osama_material::begin () |
20 | { |
79 | { |
21 | cgGLEnableProfile (vsh_profile); |
80 | cgGLEnableProfile (vsh_profile); |
22 | cgGLEnableProfile (fsh_profile); |
81 | cgGLEnableProfile (fsh_profile); |
23 | cgGLEnableTextureParameter(g_Texture); |
82 | cgGLEnableTextureParameter (g_Texture); |
24 | } |
83 | } |
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84 | |
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85 | void |
25 | void osama_material::end () |
86 | osama_material::end () |
26 | { |
87 | { |
27 | cgGLDisableTextureParameter(g_Texture); |
88 | cgGLDisableTextureParameter (g_Texture); |
28 | // cgGLUnbindProgram (vsh_profile); |
89 | // cgGLUnbindProgram (vsh_profile); |
29 | // cgGLUnbindProgram (fsh_profile); |
90 | // cgGLUnbindProgram (fsh_profile); |
30 | cgGLDisableProfile (vsh_profile); |
91 | cgGLDisableProfile (vsh_profile); |
31 | cgGLDisableProfile (fsh_profile); |
92 | cgGLDisableProfile (fsh_profile); |
32 | } |
93 | } |
33 | |
94 | |
34 | |
95 | GLuint |
35 | GLuint texture::load_texture (SDL_Surface *surface, GLfloat *texcoord) |
96 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
36 | { |
97 | { |
37 | GLuint textur; |
98 | GLuint textur; |
38 | int w, h; |
99 | int w, h; |
39 | SDL_Surface *image; |
100 | SDL_Surface *image; |
40 | SDL_Rect area; |
101 | SDL_Rect area; |
… | |
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44 | /* Use the surface width and height expanded to powers of 2 */ |
105 | /* Use the surface width and height expanded to powers of 2 */ |
45 | //w = power_of_two (surface->w); |
106 | //w = power_of_two (surface->w); |
46 | //h = power_of_two (surface->h); |
107 | //h = power_of_two (surface->h); |
47 | w = power_of_two (surface->w); |
108 | w = power_of_two (surface->w); |
48 | h = power_of_two (surface->h); |
109 | h = power_of_two (surface->h); |
49 | texcoord[0] = 0.0f; /* Min X */ |
110 | tex2oord[0] = 0.0f; /* Min X */ |
50 | texcoord[1] = 0.0f; /* Min Y */ |
111 | tex2oord[1] = 0.0f; /* Min Y */ |
51 | texcoord[2] = (GLfloat) surface->w / w; /* Max X */ |
112 | tex2oord[2] = (GLfloat) surface->w / w; /* Max X */ |
52 | texcoord[3] = (GLfloat) surface->h / h; /* Max Y */ |
113 | tex2oord[3] = (GLfloat) surface->h / h; /* Max Y */ |
53 | |
114 | |
54 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
115 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
55 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
116 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
56 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
117 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
57 | #else |
118 | #else |
58 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
119 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
59 | #endif |
120 | #endif |
60 | ); |
121 | ); |
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122 | |
61 | if (image == NULL) |
123 | if (image == NULL) |
62 | { |
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63 | return 0; |
124 | return 0; |
64 | } |
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65 | |
125 | |
66 | /* Save the alpha blending attributes */ |
126 | /* Save the alpha blending attributes */ |
67 | saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
127 | saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
68 | saved_alpha = surface->format->alpha; |
128 | saved_alpha = surface->format->alpha; |
69 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
129 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
70 | { |
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71 | SDL_SetAlpha (surface, 0, 0); |
130 | SDL_SetAlpha (surface, 0, 0); |
72 | } |
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73 | |
131 | |
74 | /* Copy the surface into the GL texture image */ |
132 | /* Copy the surface into the GL texture image */ |
75 | area.x = 0; |
133 | area.x = 0; |
76 | area.y = 0; |
134 | area.y = 0; |
77 | area.w = surface->w; |
135 | area.w = surface->w; |
78 | area.h = surface->h; |
136 | area.h = surface->h; |
79 | SDL_BlitSurface (surface, &area, image, &area); |
137 | SDL_BlitSurface (surface, &area, image, &area); |
80 | |
138 | |
81 | /* Restore the alpha blending attributes */ |
139 | /* Restore the alpha blending attributes */ |
82 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
140 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
83 | { |
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84 | SDL_SetAlpha (surface, saved_flags, saved_alpha); |
141 | SDL_SetAlpha (surface, saved_flags, saved_alpha); |
85 | } |
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86 | |
142 | |
87 | /* Create an OpenGL texture for the image */ |
143 | /* Create an OpenGL texture for the image */ |
88 | glGenTextures (1, &textur); |
144 | glGenTextures (1, &textur); |
89 | glBindTexture (GL_TEXTURE_2D, textur); |
145 | glBindTexture (GL_TEXTURE_2D, textur); |
90 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
146 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
91 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
147 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
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148 | glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); // GENERATE_MIPMAP_SGIS |
92 | glTexImage2D (GL_TEXTURE_2D, |
149 | glTexImage2D (GL_TEXTURE_2D, |
93 | 0, |
150 | 0, |
94 | GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
151 | GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
95 | SDL_FreeSurface (image); /* No longer needed */ |
152 | SDL_FreeSurface (image); /* No longer needed */ |
96 | |
153 | |
97 | return textur; |
154 | return textur; |
98 | } |
155 | } |
99 | |
156 | |
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157 | CGcontext cgc; |
100 | |
158 | |
101 | CGcontext cgc; |
159 | void |
102 | void init_shaders () { |
160 | init_shaders () |
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161 | { |
103 | cgc = cgCreateContext (); |
162 | cgc = cgCreateContext (); |
104 | } |
163 | } |
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164 | |