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Comparing cvsroot/libgender/material.C (file contents):
Revision 1.32 by root, Wed Nov 3 03:35:13 2004 UTC vs.
Revision 1.41 by root, Sat Nov 6 01:56:20 2004 UTC

… …
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
11material::~material ()
12{
13}
14 10
15GLuint 11GLuint
16texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) 12texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord)
17{ 13{
18 GLuint name; 14 GLuint name;
… …
67 SDL_FreeSurface (image); /* No longer needed */ 63 SDL_FreeSurface (image); /* No longer needed */
68 64
69 return name; 65 return name;
70} 66}
71 67
68material::~material ()
69{
70}
71
72void material::enable (view &ctx) 72void material::enable (view &ctx)
73{ 73{
74 pass::matmap_t &matmap = ctx.pass_data->matmap; 74 pass::matmap_t &matmap = ctx.pass_data->matmap;
75 75
76 pass::matmap_t::iterator i = matmap.find (this); 76 pass::matmap_t::iterator i = matmap.find (this);
77 shader::program_object *p;
78 77
79 if (i == matmap.end ()) 78 if (i == matmap.end ())
80 { 79 {
81 shader::program_object po; 80 string vsh_src, fsh_src;
82 81
83 shader::shader_builder::start (); 82 shader::shader_builder::start ();
84 vsh (ctx);
85 83
86 if (ctx.pass_data->l) 84 if (ctx.pass_data->l)
87 ctx.pass_data->l->vsh (); 85 ctx.pass_data->l->vsh ();
88 86
87 vsh (ctx);
88
89 {
90 using namespace shader::compile;
91
92 //z (vout.position) = log2 (z (vout.position) / w (vout.position)) * w (vout.position);
93 }
94
89 po->vsh->compile (shader::shader_builder::stop ()); 95 vsh_src = shader::shader_builder::stop ();
90 96
91 shader::shader_builder::start (); 97 shader::shader_builder::start ();
92 fsh (ctx);
93 po->fsh->compile (shader::shader_builder::stop ());
94 98
95 po->link (); 99 if (ctx.pass_data->l)
100 {
101 ctx.pass_data->l->fsh ();
96 102
103 fsh (ctx);
104 }
105 else
106 shader::compile::fout.frag_color = shader::compile::float4 (1., 0., 1., 1.);
107
108 fsh_src = shader::shader_builder::stop ();
109
110 shader::program_object po = shader::get_program (vsh_src, fsh_src);
97 matmap.insert (pass::matmap_t::value_type (this, po)); 111 matmap.insert (pass::matmap_t::value_type (this, po));
98 112
99 p = &po; 113 po->enable ();
100 } 114 }
101 else 115 else
102 p = &i->second; 116 i->second->enable ();
103
104 (*p)->enable ();
105} 117}
106 118
107void material::disable (view &ctx) 119void material::disable (view &ctx)
108{ 120{
109} 121}
110 122
111test_material::test_material () 123test_material::test_material ()
112//: tex ("textures/osama.jpg"), texvar (tex.name) 124//: tex ("textures/osama.jpg"), texvar (tex.name)
113: tex ("textures/rockwall.jpg"), texvar (tex.name) 125: tex ("textures/rockwall.jpg"), texvar (tex.name)
114, norm ("textures/rockwall_height.jpg"), normvar (norm.name) 126, norm ("textures/rockwall_normal.jpg"), normvar (norm.name)
115{ 127{
116} 128}
117 129
118static shader::varying_3f normal, lightvec; 130static shader::varying_3f normal;
119static shader::varying_2f texcoord; 131static shader::varying_2f texcoord;
120 132
121void test_material::vsh (view &ctx) 133void test_material::vsh (view &ctx)
122{ 134{
123 using namespace shader::compile; 135 using namespace shader::compile;
… …
126 138
127 if (ctx.pass_data->l) 139 if (ctx.pass_data->l)
128 { 140 {
129 texcoord = xy (vin.tex_coord[0]); 141 texcoord = xy (vin.tex_coord[0]);
130 normal = normal_matrix * vin.normal; 142 normal = normal_matrix * vin.normal;
131 lightvec = xyz (ctx.pass_data->l->lightpos - model_view_matrix * vin.vertex);
132 } 143 }
133} 144}
134 145
135void test_material::fsh (view &ctx) 146void test_material::fsh (view &ctx)
136{ 147{
… …
139 if (ctx.pass_data->l) 150 if (ctx.pass_data->l)
140 { 151 {
141 temp_3f lc; 152 temp_3f lc;
142 temp_1f fac; 153 temp_1f fac;
143 154
144 lc = (*ctx.pass_data->l)(); 155 temp_3f rot1, rot2, rot3;
145 156
157 yxz (rot1) = (texture_2d (normvar, texcoord) * 2.F - 1.F);
158
159 //rot1 = normal_matrix * rot1;
160
161 rot2 = float3 (x(rot1), z(rot1), -y(rot1));
162 rot3 = float3 (y(rot1), -x(rot1), z(rot1));
163
164 normal = mat3 (rot1, rot2, rot3) * normal;
165
146 fac = dot (normalize (normal), normalize (lightvec)); 166 fac = dot (normalize (normal), normalize (ctx.pass_data->l->sh_lightvec));
147 fac = pow (max (fac, 0.0), 2); 167 fac = max (pow (max (fac, 0.0), 6), 0.3);
148 xyz (fout.frag_color) = texture_2d (texvar, texcoord) * lc * fac; 168 xyz (fout.frag_color) = (texture_2d (texvar, texcoord) + 0.2F) * fac
169 * ctx.pass_data->l->sh_colour;
170 //xyz (fout.frag_color) = lc * fac;
149 } 171 }
150 else
151 fout.frag_color = float4(1,1,1,1);
152} 172}
153 173
154void test_material::enable (view &ctx) 174void test_material::enable (view &ctx)
155{ 175{
156 material::enable (ctx); 176 material::enable (ctx);
… …
163 normvar->disable (); 183 normvar->disable ();
164 texvar->disable (); 184 texvar->disable ();
165 material::disable (ctx); 185 material::disable (ctx);
166} 186}
167 187
168test_material testmat; 188test_material *testmat;
189

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