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10 | |
10 | |
11 | material::~material () |
11 | material::~material () |
12 | { |
12 | { |
13 | } |
13 | } |
14 | |
14 | |
15 | void |
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16 | simple_material::enable (view &ctx) |
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17 | { |
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18 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); |
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19 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); |
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20 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); |
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21 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
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22 | } |
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23 | |
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24 | void |
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25 | simple_material::disable (view &ctx) |
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26 | { |
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27 | } |
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28 | |
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29 | GLuint |
15 | GLuint |
30 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
16 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
31 | { |
17 | { |
32 | GLuint name; |
18 | GLuint name; |
33 | int w, h; |
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34 | SDL_Surface *image; |
19 | SDL_Surface *image; |
35 | SDL_Rect area; |
20 | SDL_Rect area; |
36 | Uint32 saved_flags; |
21 | Uint32 saved_flags; |
37 | Uint8 saved_alpha; |
22 | Uint8 saved_alpha; |
38 | |
23 | |
39 | /* Use the surface width and height expanded to powers of 2 */ |
24 | /* Use the surface width and height expanded to powers of 2 */ |
40 | //w = power_of_two (surface->w); |
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41 | //h = power_of_two (surface->h); |
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42 | w = power_of_two (surface->w); |
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43 | h = power_of_two (surface->h); |
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44 | tex2oord[0] = 0.0f; /* Min X */ |
25 | tex2oord[0] = 0.F; /* Min X */ |
45 | tex2oord[1] = 0.0f; /* Min Y */ |
26 | tex2oord[1] = 0.F; /* Min Y */ |
46 | tex2oord[2] = (GLfloat) surface->w / w; /* Max X */ |
27 | tex2oord[2] = 1.F; /* Max X */ |
47 | tex2oord[3] = (GLfloat) surface->h / h; /* Max Y */ |
28 | tex2oord[3] = 1.F; /* Max Y */ |
48 | |
29 | |
49 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
30 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, surface->w, surface->h, 32, |
50 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
31 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
51 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
32 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
52 | #else |
33 | #else |
53 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
34 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
54 | #endif |
35 | #endif |
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80 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
61 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
81 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
62 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
82 | glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); |
63 | glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); |
83 | glTexImage2D (GL_TEXTURE_2D, |
64 | glTexImage2D (GL_TEXTURE_2D, |
84 | 0, |
65 | 0, |
85 | GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
66 | GL_RGBA, surface->w, surface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
86 | SDL_FreeSurface (image); /* No longer needed */ |
67 | SDL_FreeSurface (image); /* No longer needed */ |
87 | |
68 | |
88 | return name; |
69 | return name; |
89 | } |
70 | } |
90 | |
71 | |
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72 | void material::enable (view &ctx) |
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73 | { |
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74 | pass::matmap_t &matmap = ctx.pass_data->matmap; |
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75 | |
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76 | pass::matmap_t::iterator i = matmap.find (this); |
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77 | shader::program_object *p; |
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78 | |
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79 | if (i == matmap.end ()) |
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80 | { |
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81 | shader::program_object po; |
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82 | |
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83 | shader::shader_builder::start (); |
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84 | vsh (ctx); |
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85 | |
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86 | if (ctx.pass_data->l) |
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87 | ctx.pass_data->l->vsh (); |
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88 | |
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89 | po->vsh->compile (shader::shader_builder::stop ()); |
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90 | |
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91 | shader::shader_builder::start (); |
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92 | shader::compile::fout.frag_color = shader::compile::float4 (1., 1., 0., 1.); |
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93 | fsh (ctx); |
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94 | po->fsh->compile (shader::shader_builder::stop ()); |
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95 | |
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96 | po->link (); |
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97 | |
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98 | matmap.insert (pass::matmap_t::value_type (this, po)); |
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99 | |
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100 | p = &po; |
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101 | } |
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102 | else |
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103 | p = &i->second; |
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104 | |
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105 | (*p)->enable (); |
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106 | } |
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107 | |
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108 | void material::disable (view &ctx) |
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109 | { |
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110 | } |
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111 | |
91 | test_material::test_material () |
112 | test_material::test_material () |
92 | : tex ("textures/osama.jpg"), texvar (tex.name) |
113 | //: tex ("textures/osama.jpg"), texvar (tex.name) |
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114 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
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115 | , norm ("textures/rockwall_height.jpg"), normvar (norm.name) |
93 | { |
116 | { |
94 | using namespace shader; |
117 | } |
95 | |
118 | |
96 | p.vsh->start (); |
119 | static shader::varying_3f normal, lightvec; |
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120 | static shader::varying_2f texcoord; |
97 | |
121 | |
98 | temp_4f wpos; |
122 | void test_material::vsh (view &ctx) |
99 | |
123 | { |
100 | wpos = shader::gl.model_view_projection_matrix * vin.vertex; |
124 | using namespace shader::compile; |
101 | |
125 | |
102 | vout.position = wpos; |
126 | std_vsh (); |
103 | vout.tex_coord[0] = vin.tex_coord[0]; |
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104 | vout.tex_coord[1] = shader::gl.model_view_matrix * shader::vec4 (x (vin.normal), y(vin.normal), z(vin.normal), 0); |
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105 | |
127 | |
106 | p.vsh->end (); |
128 | if (ctx.pass_data->l) |
107 | p.vsh->compile (); |
129 | { |
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130 | texcoord = xy (vin.tex_coord[0]); |
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131 | normal = normal_matrix * vin.normal; |
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132 | lightvec = xyz (ctx.pass_data->l->lightpos - model_view_matrix * vin.vertex); |
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133 | } |
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134 | } |
108 | |
135 | |
109 | p.fsh->start (); |
136 | void test_material::fsh (view &ctx) |
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137 | { |
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138 | using namespace shader::compile; |
110 | |
139 | |
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140 | if (ctx.pass_data->l) |
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141 | { |
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142 | temp_3f lc; |
111 | temp_1f fac; |
143 | temp_1f fac; |
112 | |
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113 | fac = max (dot (fin.tex_coord[1], lightpos), 0.0); |
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114 | fac = pow (fac, 3); |
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115 | xyz(fout.frag_color) = texture_2d (texvar, fin.tex_coord[0]) * (fac + 0.3); |
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116 | |
144 | |
117 | p.fsh->end (); |
145 | lc = (*ctx.pass_data->l)(); |
118 | p.fsh->compile (); |
146 | |
119 | p.link (); |
147 | fac = dot (normalize (normal), normalize (lightvec)); |
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148 | fac = pow (max (fac, 0.0), 2); |
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149 | xyz (fout.frag_color) = texture_2d (texvar, texcoord) * lc * fac; |
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150 | } |
120 | } |
151 | } |
121 | |
152 | |
122 | void test_material::enable (view &ctx) |
153 | void test_material::enable (view &ctx) |
123 | { |
154 | { |
124 | p.enable (); |
155 | material::enable (ctx); |
125 | lightpos->set (-ctx.d); |
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126 | texvar->enable (); |
156 | texvar->enable (); |
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157 | normvar->enable (); |
127 | } |
158 | } |
128 | |
159 | |
129 | void test_material::disable (view &ctx) |
160 | void test_material::disable (view &ctx) |
130 | { |
161 | { |
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162 | normvar->disable (); |
131 | texvar->disable (); |
163 | texvar->disable (); |
132 | p.disable (); |
164 | material::disable (ctx); |
133 | } |
165 | } |
134 | |
166 | |
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167 | test_material testmat; |