GLuint TextureManager::loadCubemapTexture(const char* cube[], GLenum types[])
{
GLuint cubemapTexture;
glActiveTexture(GL_TEXTURE0);
glGenTextures(1, &cubemapTexture);
glBindTexture(GL_TEXTURE_CUBE_MAP, cubemapTexture);
for (unsigned int i = 0; i < 6; i++)
{
unsigned int nWidth, nHeight;
void* image = loadBMPRaw(cube[i], nWidth, nHeight);
glTexImage2D(
types[i],
0, //level
GL_RGB8, //internal format
nWidth, //width
nHeight, //height
0, //border
GL_BGR, //format - Not BMP uses BGR not RGB
GL_UNSIGNED_BYTE, //type
image);
delete [] image;
}
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
return cubemapTexture;
}
int initEnvironment(void)
{
unsigned char * data;
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glEnable(GL_TEXTURE_2D);
data = loadBMPRaw(FILENAME, &g_TextureWidth, &g_TextureHeight, 0, 1);
if (data)
{
glGenTextures(1, &g_TextureArray[g_ID]);
glBindTexture(GL_TEXTURE_2D, g_TextureArray[g_ID]);
//gluBuild2DMipmaps(GL_TEXTURE_2D, 3, g_TextureWidth, g_TextureHeight, GL_RGB, GL_UNSIGNED_BYTE, data);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, g_TextureWidth, g_TextureHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
free(data);
return 1;
}
else
{
return(0);
}
}
SDLMOD_Surface* GLUTImageLoader::loadSDLSurface(const std::string& filename)
{
//SDLMOD_Surface *result = 0;
SDLMOD_Surface *screen2;
unsigned char *texture_data2 = NULL;
unsigned int g_TextureWidth2 = 100;
unsigned int g_TextureHeight2 = 100;
int i, j;
texture_data2 = loadBMPRaw(filename.c_str(),
&g_TextureWidth2, &g_TextureHeight2, 1, 1);
if (!texture_data2)
{
return NULL;
}
screen2 = SDLMOD_CreateRGBSurface(0,
g_TextureWidth2, g_TextureHeight2,
SDL_VIDEO_MODE_BPP,
Rmask, Gmask, Bmask, Amask
);
if (texture_data2)
{
//SDLMOD_LockSurface(screen2);
for (j = 0; j < g_TextureHeight2; ++j)
{
for (i = 0; i < g_TextureWidth2; ++i)
{
unsigned char r, g, b;
r = texture_data2[3 * j * g_TextureWidth2 + 3 * i];
g = texture_data2[3 * j * g_TextureWidth2 + 3 * i + 1];
b = texture_data2[3 * j * g_TextureWidth2 + 3 * i + 2];
//if (g_TextureHeight2 - j - 1 == 0)
//{
// fprintf(stderr, "hit\n");
//}
//SDLMOD_ext_putPixel(screen2, i, g_TextureHeight2 - j - 1, r, g, b);
#ifdef _DEBUG
if (i < 10 && filename == "fixedfont.bmp")
{
fprintf(stderr, "[GLUTImageLoader::loadSDLSurface] hit (%d, %d) (%X, %X, %X)\n",
i, j, r, g, b);
}
#endif
SDLMOD_ext_putPixel(screen2, i, j, r, g, b);
}
}
//SDLMOD_UnlockSurface(screen2);
free(texture_data2);
}
return screen2;
}
