public static void CreateLightmapTexture(GLContext control, AglLightMap aglLightMap,
EnvironmentGraphics environmentSettings, string name, GLTextureCube output)
{
var lightMapEnv = aglLightMap.LightAreas.FirstOrDefault(x => x.Settings.Name == name);
if (lightMapEnv == null)
{
return;
}
//Force generate mipmaps to update the mip allocation so mips can be assigned.
output.Bind();
GL.GenerateMipmap(GenerateMipmapTarget.TextureCubeMap);
GL.BindTexture(TextureTarget.TextureCubeMap, 0);
GL.Enable(EnableCap.TextureCubeMapSeamless);
if (FilterLevel0 == null)
{
Init(output.Width);
}
int CUBE_SIZE = output.Width;
FilterLevel0.Bind();
LoadCubemapLevel(control, CUBE_SIZE, 0, aglLightMap, environmentSettings, lightMapEnv, output.ID);
FilterLevel0.Unbind();
FilterLevel1.Bind();
LoadCubemapLevel(control, CUBE_SIZE / 2, 1, aglLightMap, environmentSettings, lightMapEnv, output.ID);
FilterLevel1.Unbind();
output.SaveDDS($"LIGHTMAP{name}.dds");
}
//Update all existing cubemap uint objects
public static void GenerateCubemaps(List <GenericRenderer> targetModels, bool isWiiU)
{
var texture = isWiiU ? CubeMapTextureArray : CubeMapTexture;
if (texture != null)
{
texture.Dispose();
}
if (isWiiU)
{
texture = GLTexture2DArray.CreateUncompressedTexture(CUBEMAP_SIZE, CUBEMAP_SIZE, MAX_LAYER_COUNT * 6, MAX_MIP_LEVEL,
PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float);
}
else
{
texture = GLTextureCubeArray.CreateEmptyCubemap(CUBEMAP_SIZE, MAX_LAYER_COUNT, MAX_MIP_LEVEL,
PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float);
}
GLTextureCube cubemapTexture = GLTextureCube.CreateEmptyCubemap(
CUBEMAP_UPSCALE_SIZE, PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float, 9);
//Get a list of cubemaps in the scene
//The lighting engine has cube map objects with the object placement to draw
var lightingEngine = LightingEngine.LightSettings;
var cubemapEnvParams = lightingEngine.Resources.CubeMapFiles.FirstOrDefault().Value;
var cubeMapUints = cubemapEnvParams.CubeMapObjects;
int layer = 0;
foreach (var cubeMap in cubeMapUints)
{
var cUint = cubeMap.CubeMapUint;
//Cubemap has no area assigned skip it
if (cubeMap.CubeMapUint.Name == string.Empty)
{
continue;
}
//Setup the camera to render the cube map faces
CubemapCamera camera = new CubemapCamera(
new Vector3(cUint.Position.X, cUint.Position.Y, cUint.Position.Z)
* GLContext.PreviewScale, cUint.Near, cUint.Far);
var context = new GLContext();
context.Camera = camera;
GenerateCubemap(context, cubemapTexture, camera, targetModels, MAX_MIP_LEVEL);
cubemapTexture.Bind();
cubemapTexture.GenerateMipmaps();
cubemapTexture.Unbind();
//HDR encode and output into the array
CubemapHDREncodeRT.CreateCubemap(cubemapTexture, texture, layer, MAX_MIP_LEVEL, false, true);
if (SAVE_TO_DISK)
{
cubemapTexture.SaveDDS(cubeMap.Name + "default.dds");
}
layer++;
}
cubemapTexture.Dispose();
//Just generate mips to keep things easier
texture.Bind();
texture.GenerateMipmaps();
texture.Unbind();
if (SAVE_TO_DISK)
{
texture.SaveDDS("Cubemap_Array_HDR.dds");
}
if (isWiiU)
{
CubeMapTextureArray = texture;
}
else
{
CubeMapTexture = texture;
}
}