public void textureInit(byte[] imageData, string _name)
{
DDSImage ddsImage;
name = _name;
ddsImage = new DDSImage(imageData);
RenderStats.texturesNum += 1; //Accumulate settings
Console.WriteLine("Sampler Name Path " + name + " Width {0} Height {1}", ddsImage.header.dwWidth, ddsImage.header.dwHeight);
width = ddsImage.header.dwWidth;
height = ddsImage.header.dwHeight;
int blocksize = 16;
switch (ddsImage.header.ddspf.dwFourCC)
{
//DXT1
case (0x31545844):
pif = InternalFormat.CompressedSrgbAlphaS3tcDxt1Ext;
blocksize = 8;
break;
case (0x35545844):
pif = InternalFormat.CompressedSrgbAlphaS3tcDxt5Ext;
break;
case (0x32495441): //ATI2A2XY
pif = InternalFormat.CompressedRgRgtc2; //Normal maps are probably never srgb
break;
//DXT10 HEADER
case (0x30315844):
{
switch (ddsImage.header10.dxgiFormat)
{
case (DXGI_FORMAT.DXGI_FORMAT_BC7_UNORM):
pif = InternalFormat.CompressedSrgbAlphaBptcUnorm;
break;
default:
throw new ApplicationException("Unimplemented DX10 Texture Pixel format");
}
break;
}
default:
throw new ApplicationException("Unimplemented Pixel format");
}
//Temp Variables
int w = width;
int h = height;
int mm_count = ddsImage.header.dwMipMapCount;
int depth_count = Math.Max(1, ddsImage.header.dwDepth); //Fix the counter to 1 to fit the texture in a 3D container
int temp_size = ddsImage.header.dwPitchOrLinearSize;
//Generate PBO
pboID = GL.GenBuffer();
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, pboID);
GL.BufferData(BufferTarget.PixelUnpackBuffer, ddsImage.bdata.Length, ddsImage.bdata, BufferUsageHint.StaticDraw);
//GL.BufferSubData(BufferTarget.PixelUnpackBuffer, IntPtr.Zero, ddsImage.bdata.Length, ddsImage.bdata);
//Upload to GPU
texID = GL.GenTexture();
target = TextureTarget.Texture2DArray;
GL.BindTexture(target, texID);
//When manually loading mipmaps, levels should be loaded first
GL.TexParameter(target, TextureParameterName.TextureBaseLevel, 0);
//GL.TexParameter(target, TextureParameterName.TextureMaxLevel, mm_count - 1);
int offset = 0;
for (int i = 0; i < mm_count; i++)
{
GL.CompressedTexImage3D(target, i, pif, w, h, depth_count, 0, temp_size * depth_count, IntPtr.Zero + offset);
offset += temp_size * depth_count;
w = Math.Max(w >> 1, 1);
h = Math.Max(h >> 1, 1);
temp_size = Math.Max(1, (w + 3) / 4) * Math.Max(1, (h + 3) / 4) * blocksize;
//This works only for square textures
//temp_size = Math.Max(temp_size/4, blocksize);
}
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureLodBias, -0.2f);
GL.TexParameter(target, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(target, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
//Console.WriteLine(GL.GetError());
//Use anisotropic filtering
float af_amount = GL.GetFloat((GetPName)All.MaxTextureMaxAnisotropy);
af_amount = (float)Math.Max(af_amount, 4.0f);
//GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName) 0x84FE, af_amount);
int max_level = 0;
GL.GetTexParameter(target, GetTextureParameter.TextureMaxLevel, out max_level);
int base_level = 0;
GL.GetTexParameter(target, GetTextureParameter.TextureBaseLevel, out base_level);
int maxsize = Math.Max(height, width);
int p = (int)Math.Floor(Math.Log(maxsize, 2)) + base_level;
int q = Math.Min(p, max_level);
#if (DEBUGNONO)
//Get all mipmaps
temp_size = ddsImage.header.dwPitchOrLinearSize;
for (int i = 0; i < q; i++)
{
//Get lowest calculated mipmap
byte[] pixels = new byte[temp_size];
//Save to disk
GL.GetCompressedTexImage(TextureTarget.Texture2D, i, pixels);
File.WriteAllBytes("Temp\\level" + i.ToString(), pixels);
temp_size = Math.Max(temp_size / 4, 16);
}
#endif
#if (DUMP_TEXTURESNONO)
Sampler.dump_texture(name.Split('\\').Last().Split('/').Last(), width, height);
#endif
//avgColor = getAvgColor(pixels);
ddsImage = null;
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, 0); //Unbind texture PBO
}
public void init()
{
//Get MaterialFlags
foreach (TkMaterialFlags f in Flags)
{
material_flags[(int)f.MaterialFlag] = 1.0f;
}
//Get Uniforms
foreach (TkMaterialUniform un in Uniforms)
{
Uniform my_un = new Uniform("mpCustomPerMaterial.", un);
CustomPerMaterialUniforms[my_un.Name] = my_un;
}
//Get Samplers
foreach (TkMaterialSampler sm in Samplers)
{
Sampler s = new Sampler(sm);
s.init(texMgr);
PSamplers[s.PName] = s;
}
//Workaround for Procedurally Generated Samplers
//I need to check if the diffuse sampler is procgen and then force the maps
//on the other samplers with the appropriate names
foreach (Sampler s in PSamplers.Values)
{
//Check if the first sampler is procgen
if (s.isProcGen)
{
string name = s.Map;
//Properly assemble the mask and the normal map names
string[] split = name.Split('.');
string pre_ext_name = "";
for (int i = 0; i < split.Length - 1; i++)
{
pre_ext_name += split[i] + '.';
}
if (PSamplers.ContainsKey("mpCustomPerMaterial.gMasksMap"))
{
string new_name = pre_ext_name + "MASKS.DDS";
PSamplers["mpCustomPerMaterial.gMasksMap"].PMap = new_name;
PSamplers["mpCustomPerMaterial.gMasksMap"].tex = PSamplers["mpCustomPerMaterial.gMasksMap"].texMgr.getTexture(new_name);
}
if (PSamplers.ContainsKey("mpCustomPerMaterial.gNormalMap"))
{
string new_name = pre_ext_name + "NORMAL.DDS";
PSamplers["mpCustomPerMaterial.gNormalMap"].PMap = new_name;
PSamplers["mpCustomPerMaterial.gNormalMap"].tex = PSamplers["mpCustomPerMaterial.gNormalMap"].texMgr.getTexture(new_name);
}
break;
}
}
//Calculate material hash
List <string> includes = new List <string>();
for (int i = 0; i < MaterialFlags.Count; i++)
{
if (supported_flags.Contains(MaterialFlags[i]))
{
includes.Add(MaterialFlags[i]);
}
}
shaderHash = GLShaderHelper.calculateShaderHash(includes);
if (!Common.RenderState.activeResMgr.shaderExistsForMaterial(this))
{
try
{
compileMaterialShader();
} catch (Exception e)
{
Common.CallBacks.Log("Error during material shader compilation: " + e.Message);
}
}
}