protected override void CalculatePackedData()
{
packedData = new byte[6][];
Ogl.BindTexture(TextureTarget.TextureCubeMap, handle);
for (int i = 0; i < facesPixels.Length; i++)
{
Rgba32[] pixels = facesPixels[i];
packedData[i] = new byte[pixels.Length * 4];
for (int p = 0, packedIndex = 0; p < pixels.Length; p++)
{
packedData[i][packedIndex++] = pixels[p].R;
packedData[i][packedIndex++] = pixels[p].G;
packedData[i][packedIndex++] = pixels[p].B;
packedData[i][packedIndex++] = pixels[p].A;
}
GL.TexImage2D(TextureTarget.TextureCubeMapPositiveX + i, 0, PixelInternalFormat.Rgba, width, height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, packedData[i]);
}
Ogl.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter, TextureMinFilter.Linear);
Ogl.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter, TextureMagFilter.Linear);
Ogl.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS, TextureWrapMode.ClampToEdge);
Ogl.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT, TextureWrapMode.ClampToEdge);
Ogl.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapR, TextureWrapMode.ClampToEdge);
//GL.GenerateMipmap(GenerateMipmapTarget.TextureCubeMap);
}
private void BindMaterial(Material mat)
{
Ogl.BindVertexArray(vertexArrayHandle);
Ogl.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
Ogl.BufferData(BufferTarget.ArrayBuffer, packedData.Length * sizeof(float), packedData, BufferUsageHint.StaticDraw);
Ogl.BindBuffer(BufferTarget.ElementArrayBuffer, trisBuffer);
Ogl.BufferData(BufferTarget.ElementArrayBuffer, tris.Length * sizeof(uint), tris, BufferUsageHint.StaticDraw);
VertexBufferLayout[] layouts = GetVertexLayout();
int layoutSize = GetVertexLayoutSize();
int layoutOffset = 0;
for (int l = 0; l < layouts.Length; l++)
{
VertexBufferLayout layout = layouts[l];
int location = layout.Attribute.GetAttributeLocation(mat);
if (location == -1)
{
continue;
}
int stride = layoutSize * layout.Format.ByteSize();
Ogl.EnableVertexAttribArray(location);
Ogl.VertexAttribPointer(location, layout.Size, layout.Format.ToOpenGlAttribType(), false, stride, layoutOffset);
layoutOffset += layout.Size * layout.Format.ByteSize();
}
Ogl.BindVertexArray(0);
}
public void ChangeSize(Vec2i size)
{
Size = size;
if (colorBuffer != -1)
{
TextureTarget textureTarget = multisampledColor ? TextureTarget.Texture2DMultisample : TextureTarget.Texture2D;
Ogl.BindTexture(textureTarget, colorBuffer);
if (multisampledColor)
{
Ogl.TexImage2DMultisample(TextureTargetMultisample.Texture2DMultisample, 4, PixelInternalFormat.Rgb, Size.x, Size.y, true);
}
else
{
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, Size.x, Size.y, 0, PixelFormat.Rgb, PixelType.UnsignedByte, null);
}
}
if (depthBuffer != -1)
{
TextureTarget textureTarget = multisampledDepth ? TextureTarget.Texture2DMultisample : TextureTarget.Texture2D;
Ogl.BindTexture(textureTarget, depthBuffer);
if (multisampledDepth)
{
Ogl.TexImage2DMultisample(TextureTargetMultisample.Texture2DMultisample, 4, PixelInternalFormat.DepthComponent, Size.x, Size.y, true);
}
else
{
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent, Size.x, Size.y, 0, PixelFormat.DepthComponent, PixelType.Float, null);
}
}
}
public void CompileShader()
{
int vertexShader = CompileShader(ShaderType.VertexShader, vertexProgram);
int fragmentShader = CompileShader(ShaderType.FragmentShader, fragmentProgram);
handle = Ogl.CreateProgram(Name);
Ogl.AttachShader(handle, vertexShader);
Ogl.AttachShader(handle, fragmentShader);
Ogl.LinkProgram(handle);
string infoLog = Ogl.GetProgramInfoLog(handle);
if (!string.IsNullOrEmpty(infoLog))
{
Console.WriteLine(infoLog);
}
Ogl.DetachShader(handle, vertexShader);
Ogl.DetachShader(handle, fragmentShader);
Ogl.DeleteShader(vertexShader);
Ogl.DeleteShader(fragmentShader);
IsCompiled = true;
ShadersLoaded++;
}
public void SetSize(Vec2i size)
{
width = size.x;
height = size.y;
Ogl.BindTexture(TextureTarget.Texture2D, handle);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, packedData);
Ogl.GenerateMipmap(GenerateMipmapTarget.Texture2D);
}
private void ClearCharacters()
{
foreach (KeyValuePair <char, FontCharacter> character in characters)
{
Ogl.DeleteTexture(character.Value.TextureID);
}
characters.Clear();
}
public Cubemap(string[] paths)
{
if (paths.Length != 6)
{
throw new ArgumentException("Cubemap needs 6 path for every texture");
}
this.handle = Ogl.GenTexture("Cubemap");
LoadFromPath(paths);
}
public void UseTexture(TextureUnit unit)
{
if (HasChanged)
{
HasChanged = false;
CalculatePackedData();
}
Ogl.ActiveTexture(unit);
Ogl.BindTexture(TextureType, Handle);
}
public Mesh()
{
vertexArrayHandle = Ogl.GenVertexArray("Mesh");
vertexBuffer = Ogl.GenBuffer("Mesh - Vertex");
trisBuffer = Ogl.GenBuffer("Mesh - Tris");
layouts = new[]
{
new VertexBufferLayout(VertexAttribute.Position, VertexAttributeFormat.Float32, 3),
new VertexBufferLayout(VertexAttribute.Uv0, VertexAttributeFormat.Float32, 2),
new VertexBufferLayout(VertexAttribute.Normal, VertexAttributeFormat.Float32, 3),
};
}
private int LoadBitmapOnChar(int width, int height, IntPtr buffer)
{
int textureID = Ogl.GenTexture("Char");
Ogl.BindTexture(TextureTarget.Texture2D, textureID);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.R8, width, height
, 0, PixelFormat.Red, PixelType.UnsignedByte, buffer);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, TextureWrapMode.ClampToEdge);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, TextureWrapMode.ClampToEdge);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, TextureMinFilter.Linear);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, TextureMagFilter.Linear);
return(textureID);
}
public Texture2D(string path, string name)
{
this.handle = Ogl.GenTexture(name);
Ogl.BindTexture(TextureTarget.Texture2D, handle);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, null);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, TextureMinFilter.Linear);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, TextureMagFilter.Linear);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, TextureWrapMode.Repeat);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, TextureWrapMode.Repeat);
LoadFromPath(path);
}
public void SetSize(Vec2i resolution)
{
width = resolution.x;
height = resolution.y;
Ogl.BindTexture(TextureTarget.Texture2D, handle);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent, width, height, 0, PixelFormat.DepthComponent, PixelType.Float, null);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, TextureMinFilter.Nearest);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, TextureMagFilter.Nearest);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, TextureWrapMode.ClampToBorder);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, TextureWrapMode.ClampToBorder);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBorderColor, new float[] { 1, 1, 1, 1 });
}
protected override void CalculatePackedData()
{
packedData = new byte[pixels.Length * 4];
for (int i = 0, packedIndex = 0; i < pixels.Length; i++)
{
packedData[packedIndex++] = pixels[i].R;
packedData[packedIndex++] = pixels[i].G;
packedData[packedIndex++] = pixels[i].B;
packedData[packedIndex++] = pixels[i].A;
}
Ogl.BindTexture(TextureTarget.Texture2D, handle);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, packedData);
Ogl.GenerateMipmap(GenerateMipmapTarget.Texture2D);
}
public DepthTexture(int width, int height, string name)
{
handle = Ogl.GenTexture(name);
Ogl.BindTexture(TextureTarget.Texture2D, handle);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent, width, height, 0, PixelFormat.DepthComponent, PixelType.Float, null);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, TextureMinFilter.Nearest);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, TextureMagFilter.Nearest);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, TextureWrapMode.ClampToBorder);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, TextureWrapMode.ClampToBorder);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBorderColor, new float[] { 1, 1, 1, 1 });
this.width = width;
this.height = height;
}
private int CompileShader(ShaderType type, string shaderSource)
{
int shader = Ogl.CreateShader(type, $" {type} - {Name}");
Ogl.ShaderSource(shader, shaderSource);
Ogl.CompileShader(shader);
string infoLog = Ogl.GetShaderInfoLog(shader);
if (!string.IsNullOrEmpty(infoLog))
{
Console.WriteLine(infoLog);
}
return(shader);
}
public Texture2D(int width, int height, string name)
{
handle = Ogl.GenTexture(name);
Ogl.BindTexture(TextureTarget.Texture2D, handle);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, null);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, TextureMinFilter.Linear);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, TextureMagFilter.Linear);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, TextureWrapMode.Repeat);
Ogl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, TextureWrapMode.Repeat);
this.width = width;
this.height = height;
pixels = new Rgba32[width * height];
packedData = new byte[pixels.Length * 4];
}
public void AddDepthBuffer(bool multisampling)
{
if (depthBuffer != -1)
{
DevConsole.Log(LogType.Error, "Framebuffer already has depth buffer");
return;
}
multisampledDepth = multisampling;
TextureTarget textureTarget = multisampling ? TextureTarget.Texture2DMultisample : TextureTarget.Texture2D;
depthBuffer = Ogl.GenTexture($"{name} - Depth");
Ogl.BindTexture(textureTarget, depthBuffer);
if (multisampling)
{
Ogl.TexImage2DMultisample(TextureTargetMultisample.Texture2DMultisample, 4, PixelInternalFormat.DepthComponent, Size.x, Size.y, true);
}
else
{
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent, Size.x, Size.y, 0, PixelFormat.DepthComponent, PixelType.Float, null);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureMinFilter, TextureMinFilter.Nearest);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureMagFilter, TextureMagFilter.Nearest);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureWrapS, TextureWrapMode.ClampToBorder);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureWrapT, TextureWrapMode.ClampToBorder);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureBorderColor, new float[] { 1, 1, 1, 1 });
}
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, handle);
Ogl.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, textureTarget, depthBuffer, 0);
var error = Ogl.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (error != FramebufferErrorCode.FramebufferComplete)
{
DevConsole.Log(LogType.Warning, error);
}
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
public void AddColorBuffer(bool multisampling)
{
if (colorBuffer != -1)
{
DevConsole.Log(LogType.Error, "Framebuffer already has color buffer");
return;
}
multisampledColor = multisampling;
TextureTarget textureTarget = multisampling ? TextureTarget.Texture2DMultisample : TextureTarget.Texture2D;
colorBuffer = Ogl.GenTexture($"{name} - Color");
Ogl.BindTexture(textureTarget, colorBuffer);
if (multisampling)
{
Ogl.TexImage2DMultisample(TextureTargetMultisample.Texture2DMultisample, 4, PixelInternalFormat.Rgb, Size.x, Size.y, true);
}
else
{
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, Size.x, Size.y, 0, PixelFormat.Rgb, PixelType.UnsignedByte, null);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureMinFilter, TextureMinFilter.Linear);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureMagFilter, TextureMagFilter.Linear);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureWrapS, TextureWrapMode.Repeat);
Ogl.TexParameter(textureTarget, TextureParameterName.TextureWrapT, TextureWrapMode.Repeat);
}
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, handle);
Ogl.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, textureTarget, colorBuffer, 0);
var error = Ogl.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (error != FramebufferErrorCode.FramebufferComplete)
{
DevConsole.Log(LogType.Warning, error);
}
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
private void UpdateTextures()
{
ClearCharacters();
Ogl.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
//For now we load the first 128 ASCII chars
for (uint i = 0; i < 255; i++)
{
font.LoadChar(i, LoadFlags.Render, LoadTarget.Normal);
int width = font.Glyph.Bitmap.Width;
int height = font.Glyph.Bitmap.Rows;
int bearingX = font.Glyph.BitmapLeft;
int bearingY = font.Glyph.BitmapTop;
int textureID = LoadBitmapOnChar(width, height, font.Glyph.Bitmap.Buffer);
FontCharacter character = new FontCharacter(textureID, new Vec2i(width, height), new Vec2i(bearingX, bearingY)
, font.Glyph.Advance.X.Value);
characters.Add((char)i, character);
}
}
public static void DrawTriangles(int trisCount)
{
Ogl.DrawElements(PrimitiveType.Triangles, trisCount, DrawElementsType.UnsignedInt, 0);
}
public static void FreeMeshMaterial(Mesh mesh, Material mat)
{
mat.FreeMaterial();
Ogl.BindVertexArray(0);
}
public override void BindShadowMap()
{
Ogl.Viewport(0, 0, TEXTURE_RES, TEXTURE_RES);
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, finalFBO.Handle);
}
public void Bind()
{
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, handle);
Ogl.DrawBuffer(DrawBufferMode.ColorAttachment0);
}
public void Unbind()
{
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
public static void Blit(Framebuffer read, Framebuffer write, ClearBufferMask mask)
{
Ogl.BindFramebuffer(FramebufferTarget.ReadFramebuffer, read.handle);
Ogl.BindFramebuffer(FramebufferTarget.DrawFramebuffer, write.handle);
Ogl.BlitFramebuffer(0, 0, read.Size.x, read.Size.y, 0, 0, write.Size.x, write.Size.y, mask, BlitFramebufferFilter.Nearest);
}
public override void UnbindShadowMap()
{
//Framebuffer.Blit(multisampledFBO, finalFBO, ClearBufferMask.DepthBufferBit);
Ogl.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
public void SetRawData(IntPtr data)
{
Ogl.BindTexture(TextureTarget.Texture2D, handle);
Ogl.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, data);
Ogl.GenerateMipmap(GenerateMipmapTarget.Texture2D);
}
public static void UseMeshMaterial(Mesh mesh, Material mat)
{
mat.UseMaterial();
mesh.UpdateMeshData(mat);
Ogl.BindVertexArray(mesh.GetVertexArrayHandle());
}
public void FreeTexture()
{
Ogl.BindTexture(TextureType, 0);
}
public Framebuffer(Vec2i size, string name)
{
this.name = name;
handle = Ogl.GenFramebuffer(name);
Size = size;
}