… | |
… | |
5 | |
5 | |
6 | #include "opengl.h" |
6 | #include "opengl.h" |
7 | #include "material.h" |
7 | #include "material.h" |
8 | #include "view.h" |
8 | #include "view.h" |
9 | #include "util.h" |
9 | #include "util.h" |
10 | |
|
|
11 | material::~material () |
|
|
12 | { |
|
|
13 | } |
|
|
14 | |
|
|
15 | void |
|
|
16 | simple_material::enable (view &ctx) |
|
|
17 | { |
|
|
18 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); |
|
|
19 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); |
|
|
20 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); |
|
|
21 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
|
|
22 | } |
|
|
23 | |
|
|
24 | void |
|
|
25 | simple_material::disable (view &ctx) |
|
|
26 | { |
|
|
27 | } |
|
|
28 | |
10 | |
29 | GLuint |
11 | GLuint |
30 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
12 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
31 | { |
13 | { |
32 | GLuint name; |
14 | GLuint name; |
… | |
… | |
81 | SDL_FreeSurface (image); /* No longer needed */ |
63 | SDL_FreeSurface (image); /* No longer needed */ |
82 | |
64 | |
83 | return name; |
65 | return name; |
84 | } |
66 | } |
85 | |
67 | |
|
|
68 | material::~material () |
|
|
69 | { |
|
|
70 | } |
|
|
71 | |
|
|
72 | void material::enable (view &ctx) |
|
|
73 | { |
|
|
74 | static shader::compile::varying_1f Z;//D |
|
|
75 | |
|
|
76 | pass::matmap_t &matmap = ctx.pass_data->matmap; |
|
|
77 | |
|
|
78 | pass::matmap_t::iterator i = matmap.find (this); |
|
|
79 | |
|
|
80 | if (i == matmap.end ()) |
|
|
81 | { |
|
|
82 | string vsh_src, fsh_src; |
|
|
83 | |
|
|
84 | shader::shader_builder::start (); |
|
|
85 | |
|
|
86 | if (ctx.pass_data->l) |
|
|
87 | ctx.pass_data->l->vsh (); |
|
|
88 | |
|
|
89 | vsh (ctx); |
|
|
90 | |
|
|
91 | { |
|
|
92 | using namespace shader::compile; |
|
|
93 | |
|
|
94 | Z = pow (z (vout.position) / 2.F, 0.2); |
|
|
95 | z (vout.position) = (Z * 2 - 1) * w (vout.position); |
|
|
96 | //z (vout.position) = z (vout.position) - 1; |
|
|
97 | } |
|
|
98 | |
|
|
99 | vsh_src = shader::shader_builder::stop (); |
|
|
100 | |
|
|
101 | shader::shader_builder::start (); |
|
|
102 | |
|
|
103 | if (ctx.pass_data->l) |
|
|
104 | { |
|
|
105 | ctx.pass_data->l->fsh (); |
|
|
106 | |
|
|
107 | fsh (ctx); |
|
|
108 | } |
|
|
109 | else |
|
|
110 | shader::compile::fout.frag_color = shader::compile::float4 (1., 0., 1., 1.); |
|
|
111 | |
|
|
112 | { |
|
|
113 | using namespace shader::compile; |
|
|
114 | //x (fout.frag_color) = Z;//D |
|
|
115 | //y (fout.frag_color) = Z;//D |
|
|
116 | //z (fout.frag_color) = Z;//D |
|
|
117 | } |
|
|
118 | |
|
|
119 | fsh_src = shader::shader_builder::stop (); |
|
|
120 | |
|
|
121 | shader::program_object po = shader::get_program (vsh_src, fsh_src); |
|
|
122 | matmap.insert (pass::matmap_t::value_type (this, po)); |
|
|
123 | |
|
|
124 | po->enable (); |
|
|
125 | } |
|
|
126 | else |
|
|
127 | i->second->enable (); |
|
|
128 | } |
|
|
129 | |
|
|
130 | void material::disable (view &ctx) |
|
|
131 | { |
|
|
132 | } |
|
|
133 | |
86 | test_material::test_material () |
134 | test_material::test_material () |
87 | //: tex ("textures/osama.jpg"), texvar (tex.name) |
135 | //: tex ("textures/osama.jpg"), texvar (tex.name) |
88 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
136 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
89 | , norm ("textures/rockwall_height.jpg"), normvar (norm.name) |
137 | , norm ("textures/rockwall_normal.jpg"), normvar (norm.name) |
|
|
138 | { |
|
|
139 | } |
|
|
140 | |
|
|
141 | static shader::varying_3f normal; |
|
|
142 | static shader::varying_2f texcoord; |
|
|
143 | |
|
|
144 | void test_material::vsh (view &ctx) |
90 | { |
145 | { |
91 | using namespace shader::compile; |
146 | using namespace shader::compile; |
92 | |
147 | |
93 | p.vsh->start (); |
148 | std_vsh (); |
94 | |
149 | |
95 | temp_4f wpos; |
150 | if (ctx.pass_data->l) |
96 | varying_1f camdist; |
151 | { |
97 | varying_3f lightvec; |
|
|
98 | |
|
|
99 | wpos = model_view_projection_matrix * vin.vertex; |
|
|
100 | |
|
|
101 | //wpos = wpos / abs (w (wpos)); |
|
|
102 | |
|
|
103 | vout.position = wpos; |
|
|
104 | vout.tex_coord[0] = vin.tex_coord[0]; |
152 | texcoord = xy (vin.tex_coord[0]); |
105 | xyz (vout.tex_coord[1]) = normal_matrix * vin.normal; |
153 | normal = normal_matrix * vin.normal; |
106 | lightvec = xyz (lightpos - model_view_matrix * vin.vertex); |
154 | } |
107 | camdist = 1 - max (length (xyz (vout.tex_coord[2])) / 10000., 0); |
155 | } |
108 | |
156 | |
109 | p.vsh->end (); |
157 | void test_material::fsh (view &ctx) |
110 | p.vsh->compile (); |
158 | { |
|
|
159 | using namespace shader::compile; |
111 | |
160 | |
112 | p.fsh->start (); |
161 | if (ctx.pass_data->l) |
113 | |
162 | { |
|
|
163 | temp_3f lc; |
114 | temp_1f fac; |
164 | temp_1f fac; |
115 | temp_2f disp; |
|
|
116 | temp_1f dx, dy; |
|
|
117 | temp_1f bumpnormal; |
|
|
118 | temp_1f dist; |
|
|
119 | |
165 | |
120 | fac = dot (normalize (xyz (fin.tex_coord[1])), normalize (lightvec)); |
166 | temp_3f rot1, rot2, rot3; |
121 | //fac = dot (shader::compile::vec3 (normalize (fin.tex_coord[1]) + normalize (fin.tex_coord[2])) * 0.5, bumpnormal); |
167 | |
122 | //fac = dot (bumpnormal, normalize (fin.tex_coord[2])); |
168 | yxz (rot1) = (texture_2d (normvar, texcoord) * 2.F - 1.F); |
|
|
169 | |
|
|
170 | //rot1 = normal_matrix * rot1; |
|
|
171 | |
|
|
172 | rot2 = float3 (x(rot1), z(rot1), -y(rot1)); |
|
|
173 | rot3 = float3 (y(rot1), -x(rot1), z(rot1)); |
|
|
174 | |
|
|
175 | normal = mat3 (rot1, rot2, rot3) * normal; |
|
|
176 | |
|
|
177 | fac = dot (normalize (normal), normalize (ctx.pass_data->l->sh_lightvec)); |
123 | //fac = pow (max (fac, 0.0), 8); |
178 | fac = max (pow (max (fac, 0.0), 6), 0.3); |
124 | xyz (fout.frag_color) = (texture_2d (texvar, fin.tex_coord[0] - disp)) * max (fac * (0.4 + 1.F * camdist), 0); |
179 | xyz (fout.frag_color) = (texture_2d (texvar, texcoord) + 0.2F) * fac |
125 | |
180 | * ctx.pass_data->l->sh_colour; |
126 | p.fsh->end (); |
181 | //xyz (fout.frag_color) = lc * fac; |
127 | p.fsh->compile (); |
182 | } |
128 | p.link (); |
|
|
129 | } |
183 | } |
130 | |
184 | |
131 | void test_material::enable (view &ctx) |
185 | void test_material::enable (view &ctx) |
132 | { |
186 | { |
133 | p.enable (); |
187 | material::enable (ctx); |
134 | lightpos->set (vec3 (0, 0, 0)); |
|
|
135 | texvar->enable (); |
188 | texvar->enable (); |
136 | normvar->enable (); |
189 | normvar->enable (); |
137 | } |
190 | } |
138 | |
191 | |
139 | void test_material::disable (view &ctx) |
192 | void test_material::disable (view &ctx) |
140 | { |
193 | { |
141 | normvar->disable (); |
194 | normvar->disable (); |
142 | texvar->disable (); |
195 | texvar->disable (); |
143 | p.disable (); |
196 | material::disable (ctx); |
144 | } |
197 | } |
145 | |
198 | |
|
|
199 | test_material *testmat; |
|
|
200 | |