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Comparing cvsroot/libgender/material.C (file contents):
Revision 1.8 by root, Thu Oct 21 15:46:38 2004 UTC vs.
Revision 1.17 by root, Fri Oct 29 16:05:21 2004 UTC

1#include "opengl.h"
2#include "material.h"
3
4#include <cstdlib> 1#include <cstdlib>
5#include <cstring> 2#include <cstring>
6 3
7namespace shader { 4#include <algorithm>
8 5
9 static CGcontext cg_context = cgCreateContext (); 6#include "opengl.h"
10 7#include "material.h"
11 int var_i::next_name = 0; 8#include "util.h"
12
13 var_i::var_i (CGtype cgtype)
14 {
15 name = ++next_name;
16 param = cgCreateParameter (cg_context, cgtype);
17 }
18
19 var_i::~var_i ()
20 {
21 cgDestroyParameter (param);
22 }
23
24 void var_i::build (shader_builder &b)
25 {
26 abort ();
27 }
28
29 void var_i::build_decl (shader_builder &b)
30 {
31 abort ();
32 }
33
34 template<int dimension, GLenum gltype, CGtype cgtype>
35 varying_i<dimension, gltype, cgtype>::varying_i (const char *binding)
36 : var_i (cgtype)
37 {
38 strcpy (this->binding, binding);
39 }
40
41 varying_3f_i position_3f_i ("POSITION");
42 varying_3f_i normal_3f_i ("NORMAL");
43 varying_3f_i color0_3f_i ("COLOR0");
44 varying_3f_i color1_3f_i ("COLOR1");
45 varying_2f_i texcoord0_2f_i ("TEXCOORD0");
46 varying_2f_i texcoord1_2f_i ("TEXCOORD1");
47 varying_2f_i texcoord2_2f_i ("TEXCOORD2");
48 varying_2f_i texcoord3_2f_i ("TEXCOORD3");
49 varying_2f_i texcoord4_2f_i ("TEXCOORD4");
50 varying_2f_i texcoord5_2f_i ("TEXCOORD5");
51 varying_2f_i texcoord6_2f_i ("TEXCOORD6");
52 varying_2f_i texcoord7_2f_i ("TEXCOORD7");
53 varying_1f_i psize_1f_i ("PSIZE");
54 varying_1f_i attr6_1f_i ("ATTR6"), attr7_1f_i ("ATTR7");
55 varying_2f_i attr6_2f_i ("ATTR6"), attr7_2f_i ("ATTR7");
56 varying_3f_i attr6_3f_i ("ATTR6"), attr7_3f_i ("ATTR7");
57}
58 9
59material::~material () 10material::~material ()
60{ 11{
61} 12}
62 13
63void 14void
64simple_material::begin () 15simple_material::enable ()
65{ 16{
66 glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); 17 glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse);
67 glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); 18 glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular);
68 glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); 19 glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission);
69 glMaterialf (GL_FRONT, GL_SHININESS, shininess); 20 glMaterialf (GL_FRONT, GL_SHININESS, shininess);
70} 21}
71 22
72void 23void
73simple_material::end () 24simple_material::disable ()
74{ 25{
75}
76
77void
78osama_material::begin ()
79{
80 cgGLEnableProfile (vsh_profile);
81 cgGLEnableProfile (fsh_profile);
82 cgGLEnableTextureParameter (g_Texture);
83}
84
85void
86osama_material::end ()
87{
88 cgGLDisableTextureParameter (g_Texture);
89 // cgGLUnbindProgram (vsh_profile);
90 // cgGLUnbindProgram (fsh_profile);
91 cgGLDisableProfile (vsh_profile);
92 cgGLDisableProfile (fsh_profile);
93} 26}
94 27
95GLuint 28GLuint
96texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) 29texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord)
97{ 30{
98 GLuint textur; 31 GLuint name;
99 int w, h; 32 int w, h;
100 SDL_Surface *image; 33 SDL_Surface *image;
101 SDL_Rect area; 34 SDL_Rect area;
102 Uint32 saved_flags; 35 Uint32 saved_flags;
103 Uint8 saved_alpha; 36 Uint8 saved_alpha;
… …
139 /* Restore the alpha blending attributes */ 72 /* Restore the alpha blending attributes */
140 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) 73 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
141 SDL_SetAlpha (surface, saved_flags, saved_alpha); 74 SDL_SetAlpha (surface, saved_flags, saved_alpha);
142 75
143 /* Create an OpenGL texture for the image */ 76 /* Create an OpenGL texture for the image */
144 glGenTextures (1, &textur); 77 glGenTextures (1, &name);
145 glBindTexture (GL_TEXTURE_2D, textur); 78 glBindTexture (GL_TEXTURE_2D, name);
146 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 79 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
147 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); 80 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
148 glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); // GENERATE_MIPMAP_SGIS 81 glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
149 glTexImage2D (GL_TEXTURE_2D, 82 glTexImage2D (GL_TEXTURE_2D,
150 0, 83 0,
151 GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); 84 GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
152 SDL_FreeSurface (image); /* No longer needed */ 85 SDL_FreeSurface (image); /* No longer needed */
153 86
154 return textur; 87 return name;
155} 88}
156 89
157CGcontext cgc; 90test_material::test_material ()
91: tex ("textures/osama.jpg"), texvar (tex.name)
92{
93 using namespace shader;
158 94
159void 95 p.vsh->start ();
160init_shaders () 96
161{ 97 temp_4f lightpos;
162 cgc = cgCreateContext (); 98 temp_4f wpos;
99
100 //lightpos = shader::vec4 (0, 10, 0, 1);
101 vout.position = shader::gl.model_view_projection_matrix * vin.vertex;
102 vout.tex_coord[0] = vin.tex_coord[0];
103 //vout.tex_coord[1] = normalize (lightpos - wpos);
104 //vout.tex_coord[2] = normalize (wpos);
105 //vout.tex_coord[3] = normalize (xyz (gl.model_view_matrix_inverse_transpose) * vin.normal);
106 //vout.tex_coord[4] = normalize (xyz (gl.projection_matrix_inverse_transpose) - wpos);
107
108 p.vsh->end ();
109 p.vsh->compile ();
110
111 fragment_shader fsh;
112
113 p.fsh->start ();
114
115 xyz(fout.frag_color) = texture_2d (texvar, fin.tex_coord[0]);
116
117 p.fsh->end ();
118 p.fsh->compile ();
119 p.link ();
163} 120}
164 121
122void test_material::enable ()
123{
124 p.enable ();
125 texvar->enable ();
126}
127
128void test_material::disable ()
129{
130 texvar->disable ();
131 p.disable ();
132}
133

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