//Set up variables
bool DemoInit()
{
if(!window.Init("Project Template", 640, 480, 32, 24, 8, WINDOWED_SCREEN))
return 0; //quit if not created
SetUpARB_multitexture();
SetUpEXT_texture3D();
SetUpEXT_texture_edge_clamp();
SetUpNV_register_combiners();
SetUpNV_texture_shader();
SetUpNV_vertex_program();
if( !EXT_texture_edge_clamp_supported || !ARB_multitexture_supported ||
!NV_vertex_program_supported || !NV_register_combiners_supported)
return false;
//Check we have at least 3 texture units
GLint maxTextureUnitsARB;
glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &maxTextureUnitsARB);
if(maxTextureUnitsARB<3)
{
errorLog.OutputError("I require at least 3 texture units");
return false;
}
//Set light colors
lightColors[0].Set(1.0f, 1.0f, 1.0f, 1.0f);
lightColors[1].Set((float)47/255, (float)206/255, (float)240/255, 1.0f);
lightColors[2].Set((float)254/255, (float)48/255, (float)18/255, 1.0f);
lightColors[3].Set((float)83/255, (float)243/255, (float)29/255, 1.0f);
//Load textures
//Decal image
decalImage.Load("decal.tga");
glGenTextures(1, &decalTexture);
glBindTexture(GL_TEXTURE_2D, decalTexture);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA8, decalImage.width, decalImage.height,
0, decalImage.format, GL_UNSIGNED_BYTE, decalImage.data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
//Create light textures
if(!InitLightTextures( atten1DTexture, atten2DTexture, atten3DTexture,
gaussian1DTexture, gaussian2DTexture))
return false;
camera.Init(VECTOR3D(0.0f, 0.0f, 3.5f));
//reset timer for start
timer.Reset();
return true;
}
//Set up variables
bool DemoInit()
{
if(!window.Init("Render To Texture", 640, 480, 32, 24, 8, WINDOWED_SCREEN))
return 0; //quit if not created
camera.Init(VECTOR3D(0.0f, 0.0f, -2.5f), 2.0f, 100.0f);
//Set up extensions
if( !SetUpWGL_ARB_extensions_string())
return false;
SetUpEXT_texture_filter_anisotropic();
SetUpSGIS_generate_mipmap();
//Get the WGL extensions string
const char * wglExtensions;
wglExtensions=wglGetExtensionsStringARB(window.hDC);
//Set up wgl extensions
if( !SetUpWGL_ARB_pbuffer(wglExtensions) || !SetUpWGL_ARB_pixel_format(wglExtensions) ||
!SetUpWGL_ARB_render_texture(wglExtensions))
return false;
//Init the pbuffer
int pbufferExtraIAttribs[]={WGL_BIND_TO_TEXTURE_RGBA_ARB, true,
0};
int pbufferFlags[]={WGL_TEXTURE_FORMAT_ARB, WGL_TEXTURE_RGBA_ARB,
WGL_TEXTURE_TARGET_ARB, WGL_TEXTURE_2D_ARB,
//request mipmap space if mipmaps are to be used
SGIS_generate_mipmap_supported ? WGL_MIPMAP_TEXTURE_ARB : 0,
SGIS_generate_mipmap_supported ? true : 0,
0};
if(!pbuffer.Init(pbufferSize, pbufferSize, 32, 24, 8, 1, pbufferExtraIAttribs, pbufferFlags))
return false;
//Create the texture object to relate to the pbuffer
glGenTextures(1, &pbufferTexture);
glBindTexture(GL_TEXTURE_2D, pbufferTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
//Use generated mipmaps if supported
if(SGIS_generate_mipmap_supported)
{
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, true);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glHint(GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
useMipmapFilter=true;
}
//Use maximum anisotropy if supported
if(EXT_texture_filter_anisotropic_supported)
{
glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxAnisotropy);
currentAnisotropy=maxAnisotropy;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, currentAnisotropy);
}
//Load the decal texture
//Note: This MUST be done when the pbuffer is the current context
pbuffer.MakeCurrent();
IMAGE decalImage;
decalImage.Load("decal.bmp");
glGenTextures(1, &decalTexture);
glBindTexture(GL_TEXTURE_2D, decalTexture);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA8, decalImage.width, decalImage.height,
0, decalImage.format, GL_UNSIGNED_BYTE, decalImage.data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
//reset timer for start
timer.Reset();
return true;
}
//Set up variables
bool DemoInit()
{
if(!window.Init("Project Template", 640, 480, 32, 24, 8, WINDOWED_SCREEN))
return 0; //quit if not created
SetUpARB_multitexture();
SetUpARB_texture_cube_map();
SetUpEXT_texture_edge_clamp();
SetUpNV_register_combiners();
SetUpNV_register_combiners2();
SetUpNV_vertex_program();
//Check for necessary extensions
if( !ARB_multitexture_supported || !ARB_texture_cube_map_supported ||
!EXT_texture_edge_clamp_supported || !NV_register_combiners_supported ||
!NV_vertex_program_supported)
return false;
//Check for single-pass chromatic aberration states
GLint maxTextureUnits;
glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &maxTextureUnits);
if( NV_register_combiners2_supported && maxTextureUnits>=4)
{
errorLog.OutputSuccess("Single Pass Chromatic Aberration Supported!");
pathOneSupported=true;
renderPath=CHROMATIC_SINGLE;
}
camera.Init(VECTOR3D(0.0f, 0.0f, 4.0f), 2.5f, 10.0f);
if( !cubeMapPosX.Load("cube_face_posx.tga") ||
!cubeMapNegX.Load("cube_face_negx.tga") ||
!cubeMapPosY.Load("cube_face_posy.tga") ||
!cubeMapNegY.Load("cube_face_negy.tga") ||
!cubeMapPosZ.Load("cube_face_posz.tga") ||
!cubeMapNegZ.Load("cube_face_negz.tga"))
return false;
//Build a texture from the data
glGenTextures(1, &cubeMapTexture); //Generate Texture ID
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, cubeMapTexture); //Bind texture
glTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
0, GL_RGBA8, cubeMapPosX.width, cubeMapPosX.height, 0,
cubeMapPosX.format, GL_UNSIGNED_BYTE, cubeMapPosX.data);
glTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
0, GL_RGBA8, cubeMapNegX.width, cubeMapNegX.height, 0,
cubeMapNegX.format, GL_UNSIGNED_BYTE, cubeMapNegX.data);
glTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
0, GL_RGBA8, cubeMapPosY.width, cubeMapPosY.height, 0,
cubeMapPosY.format, GL_UNSIGNED_BYTE, cubeMapPosY.data);
glTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
0, GL_RGBA8, cubeMapNegY.width, cubeMapNegY.height, 0,
cubeMapNegY.format, GL_UNSIGNED_BYTE, cubeMapNegY.data);
glTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
0, GL_RGBA8, cubeMapPosZ.width, cubeMapPosZ.height, 0,
cubeMapPosZ.format, GL_UNSIGNED_BYTE, cubeMapPosZ.data);
glTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
0, GL_RGBA8, cubeMapNegZ.width, cubeMapNegZ.height, 0,
cubeMapNegZ.format, GL_UNSIGNED_BYTE, cubeMapNegZ.data);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
//reset timer for start
timer.Reset();
return true;
}
