1 |
root |
1.8 |
#include <cstdlib> |
2 |
|
|
#include <cstring> |
3 |
|
|
|
4 |
root |
1.9 |
#include <algorithm> |
5 |
|
|
|
6 |
root |
1.13 |
#include "opengl.h" |
7 |
|
|
#include "material.h" |
8 |
|
|
#include "util.h" |
9 |
|
|
|
10 |
root |
1.1 |
material::~material () |
11 |
|
|
{ |
12 |
|
|
} |
13 |
|
|
|
14 |
root |
1.6 |
void |
15 |
|
|
simple_material::begin () |
16 |
root |
1.1 |
{ |
17 |
root |
1.6 |
glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); |
18 |
|
|
glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); |
19 |
|
|
glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); |
20 |
|
|
glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
21 |
root |
1.1 |
} |
22 |
|
|
|
23 |
root |
1.6 |
void |
24 |
|
|
simple_material::end () |
25 |
root |
1.1 |
{ |
26 |
|
|
} |
27 |
root |
1.6 |
|
28 |
|
|
void |
29 |
|
|
osama_material::begin () |
30 |
root |
1.3 |
{ |
31 |
|
|
cgGLEnableProfile (vsh_profile); |
32 |
|
|
cgGLEnableProfile (fsh_profile); |
33 |
root |
1.6 |
cgGLEnableTextureParameter (g_Texture); |
34 |
root |
1.3 |
} |
35 |
root |
1.6 |
|
36 |
|
|
void |
37 |
|
|
osama_material::end () |
38 |
root |
1.3 |
{ |
39 |
root |
1.6 |
cgGLDisableTextureParameter (g_Texture); |
40 |
|
|
// cgGLUnbindProgram (vsh_profile); |
41 |
|
|
// cgGLUnbindProgram (fsh_profile); |
42 |
root |
1.3 |
cgGLDisableProfile (vsh_profile); |
43 |
|
|
cgGLDisableProfile (fsh_profile); |
44 |
|
|
} |
45 |
root |
1.1 |
|
46 |
root |
1.6 |
GLuint |
47 |
|
|
texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
48 |
root |
1.3 |
{ |
49 |
root |
1.4 |
GLuint textur; |
50 |
root |
1.3 |
int w, h; |
51 |
|
|
SDL_Surface *image; |
52 |
|
|
SDL_Rect area; |
53 |
|
|
Uint32 saved_flags; |
54 |
|
|
Uint8 saved_alpha; |
55 |
|
|
|
56 |
|
|
/* Use the surface width and height expanded to powers of 2 */ |
57 |
|
|
//w = power_of_two (surface->w); |
58 |
|
|
//h = power_of_two (surface->h); |
59 |
|
|
w = power_of_two (surface->w); |
60 |
|
|
h = power_of_two (surface->h); |
61 |
root |
1.5 |
tex2oord[0] = 0.0f; /* Min X */ |
62 |
|
|
tex2oord[1] = 0.0f; /* Min Y */ |
63 |
|
|
tex2oord[2] = (GLfloat) surface->w / w; /* Max X */ |
64 |
|
|
tex2oord[3] = (GLfloat) surface->h / h; /* Max Y */ |
65 |
root |
1.3 |
|
66 |
|
|
image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
67 |
|
|
#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
68 |
|
|
0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
69 |
|
|
#else |
70 |
|
|
0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
71 |
|
|
#endif |
72 |
|
|
); |
73 |
root |
1.6 |
|
74 |
root |
1.3 |
if (image == NULL) |
75 |
root |
1.6 |
return 0; |
76 |
root |
1.3 |
|
77 |
|
|
/* Save the alpha blending attributes */ |
78 |
|
|
saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
79 |
|
|
saved_alpha = surface->format->alpha; |
80 |
|
|
if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
81 |
root |
1.6 |
SDL_SetAlpha (surface, 0, 0); |
82 |
root |
1.3 |
|
83 |
|
|
/* Copy the surface into the GL texture image */ |
84 |
|
|
area.x = 0; |
85 |
|
|
area.y = 0; |
86 |
|
|
area.w = surface->w; |
87 |
|
|
area.h = surface->h; |
88 |
|
|
SDL_BlitSurface (surface, &area, image, &area); |
89 |
|
|
|
90 |
|
|
/* Restore the alpha blending attributes */ |
91 |
|
|
if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
92 |
root |
1.6 |
SDL_SetAlpha (surface, saved_flags, saved_alpha); |
93 |
root |
1.3 |
|
94 |
|
|
/* Create an OpenGL texture for the image */ |
95 |
root |
1.4 |
glGenTextures (1, &textur); |
96 |
|
|
glBindTexture (GL_TEXTURE_2D, textur); |
97 |
root |
1.6 |
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
98 |
|
|
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
99 |
root |
1.7 |
glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); // GENERATE_MIPMAP_SGIS |
100 |
root |
1.3 |
glTexImage2D (GL_TEXTURE_2D, |
101 |
|
|
0, |
102 |
|
|
GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
103 |
|
|
SDL_FreeSurface (image); /* No longer needed */ |
104 |
|
|
|
105 |
root |
1.4 |
return textur; |
106 |
root |
1.3 |
} |
107 |
|
|
|
108 |
root |
1.6 |
CGcontext cgc; |
109 |
root |
1.3 |
|
110 |
root |
1.6 |
void |
111 |
|
|
init_shaders () |
112 |
|
|
{ |
113 |
root |
1.3 |
cgc = cgCreateContext (); |
114 |
|
|
} |
115 |
root |
1.8 |
|