// init programs here, this will be done only once:
void SoTriangles::init (const char *file, GLuint *textures)
{
// Build program:
_vsh.load_and_compile ( GL_VERTEX_SHADER, "../shaders/vsh_smtl_tex_gouraud.glsl" );
_fsh.load_and_compile ( GL_FRAGMENT_SHADER, "../shaders/fsh_tex_gouraud.glsl" );
_prog.init_and_link ( _vsh, _fsh );
// Define buffers needed:
gen_vertex_arrays ( 1 ); // will use at least 1 vertex array
gen_buffers ( 2 ); // will use at least 1 buffer
_prog.uniform_locations (11); // declare here uniforms
//_prog.uniform_location ( 0, "vTransf" ); // each name must appear in the shader
//_prog.uniform_location ( 1, "vProj" );
//...
_prog.uniform_location(0, "vTransf");
_prog.uniform_location(1, "vProj");
_prog.uniform_location(2, "lPos");
_prog.uniform_location(3, "la");
_prog.uniform_location(4, "ld");
_prog.uniform_location(5, "ls");
_prog.uniform_location(6, "ka");
_prog.uniform_location(7, "kd");
_prog.uniform_location(8, "ks");
_prog.uniform_location(9, "sh");
_prog.uniform_location(10, "Tex1");
GsImage I;
if (!I.load(file))
std::cout << "COULD NOT LOAD IMAGE!\n";
else
std::cout << "loaded\n";
//glGenTextures(1, &id); // ids start at 1
glGenTextures(2, textures);
glBindTexture(GL_TEXTURE_2D, *textures);
glTexImage2D(GL_TEXTURE_2D, 0, 4, I.w(), I.h(), 0, GL_RGBA, GL_UNSIGNED_BYTE, I.data());
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glBindVertexArray(0);
I.init(0, 0); // free image from CPU
if (!I.load("../texture/sides.bmp"))
std::cout << "COULD NOT LOAD IMAGE!\n";
else
std::cout << "loaded\n";
glBindTexture(GL_TEXTURE_2D, textures[1]);
glTexImage2D(GL_TEXTURE_2D, 0, 4, I.w(), I.h(), 0, GL_RGBA, GL_UNSIGNED_BYTE, I.data());
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glBindVertexArray(0);
I.init(0, 0); // free image from CPU
}
void AppWindow::initTextures()
{
const int textureCount = 2;
#ifdef WIN32
const char *textures[] =
{
"../barrel_texture_oil.bmp",
"../barrel_texture_wood.bmp"
};
#else
const char *textures[] =
{
"barrel_texture_oil.bmp",
"barrel_texture_wood.bmp"
};
#endif
// Generate the texture handles
glGenTextures(textureCount, &_textures[0]);
// Load the textures
for(int i = 0; i < textureCount; i++)
{
GsImage I;
if(!I.load(textures[i]))
exit(1);
glBindTexture ( GL_TEXTURE_2D, _textures[i] );
glTexImage2D ( GL_TEXTURE_2D, 0, GL_RGBA, I.w(), I.h(), 0, GL_RGBA, GL_UNSIGNED_BYTE, I.data() );
glTexParameterf ( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); glTexParameterf ( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
glGenerateMipmap ( GL_TEXTURE_2D );
glBindTexture(GL_TEXTURE_2D, 0);
I.init(0,0);
}
}