internal PlatformVertexInputLayout(
PlatformRenderContext context,
VertexInputLayoutBinding[] bindings,
VertexInputLayoutAttribute[] attributes)
{
Context = context;
Initialize(bindings, attributes);
}
internal PlatformBuffer(PlatformRenderContext context, BufferType bufferType, int size, bool dynamic)
{
Context = context;
BufferType = bufferType;
Size = size;
Dynamic = dynamic;
Initialize();
}
internal PlatformTexture2D(PlatformRenderContext context, Format format, int width, int height, bool mipmaps, TextureParams textureParams)
{
Context = context;
Format = format;
Width = width;
Height = height;
LevelCount = mipmaps ? GraphicsUtility.CalculateMipLevelCount(width, height) : 1;
Initialize(textureParams);
}
public PlatformShaderProgram(
PlatformRenderContext context,
IPlatformShader[] shaders,
ShaderProgram.AttribLocation[] attribLocations,
ShaderProgram.Sampler[] samplers)
{
Context = context;
Initialize(shaders, attribLocations, samplers);
}
protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
windowInfo = OpenTK.Platform.Utilities.CreateWindowsWindowInfo(Handle);
graphicsContext = new OpenTK.Graphics.GraphicsContext(graphicsMode, windowInfo, major, minor, graphicsContextFlags);
graphicsContext.MakeCurrent(windowInfo);
graphicsContext.LoadAll();
graphicsContext.SwapInterval = VSync ? 1 : 0;
if (platformRenderContext == null)
{
platformRenderContext = new Graphics.Platform.OpenGL.PlatformRenderContext();
PlatformRenderer.Initialize(platformRenderContext);
}
graphicsContext.MakeCurrent(null);
}
internal PlatformRenderTexture2D(PlatformRenderContext context, Format format, int width, int height, TextureParams textureParams)
: base(context, format, width, height, false, textureParams)
{
Initialize();
}
public static void GetGLTextureFormat(PlatformRenderContext ctx, Format format, out All glInternalFormat, out All glFormat, out All glType)
{
const All CompressedRgb8Etc2 = (All)37492;
const All CompressedRgb8PunchthroughAlpha1Etc2 = (All)37494;
const All CompressedRgba8Etc2Eac = (All)37496;
const All R8 = (All)33321;
const All RG8 = (All)33323;
glInternalFormat = 0;
glFormat = 0;
glType = 0;
switch (format)
{
case Format.R8_UNorm:
if (ctx.ESProfile && ctx.GLMajorVersion >= 3)
{
glInternalFormat = R8;
}
else
{
glInternalFormat = All.Red;
}
glFormat = All.Red;
glType = All.UnsignedByte;
break;
case Format.R8G8_UNorm:
if (ctx.ESProfile && ctx.GLMajorVersion >= 3)
{
glInternalFormat = RG8;
}
else
{
glInternalFormat = All.RgExt;
}
glFormat = All.RgExt;
glType = All.UnsignedByte;
break;
case Format.R8G8B8_UNorm:
glInternalFormat = All.Rgb;
glFormat = All.Rgb;
glType = All.UnsignedByte;
break;
case Format.R8G8B8A8_UNorm:
glInternalFormat = All.Rgba;
glFormat = All.Rgba;
glType = All.UnsignedByte;
break;
case Format.B8G8R8A8_UNorm:
glInternalFormat = All.Rgba;
glFormat = All.BgraExt;
glType = All.UnsignedByte;
if (ctx.SupportsInternalFormatBgra8)
{
glInternalFormat = All.BgraExt;
}
break;
case Format.R5G6B5_UNorm_Pack16:
glInternalFormat = All.Rgb;
glFormat = All.Rgb;
glType = All.UnsignedShort565;
break;
case Format.R5G5B5A1_UNorm_Pack16:
glInternalFormat = All.Rgba;
glFormat = All.Rgba;
glType = All.UnsignedShort5551;
break;
case Format.R4G4B4A4_UNorm_Pack16:
glInternalFormat = All.Rgba;
glFormat = All.Rgba;
glType = All.UnsignedShort4444;
break;
case Format.BC1_RGB_UNorm_Block:
glInternalFormat = All.CompressedRgbS3tcDxt1Ext;
break;
case Format.BC1_RGBA_UNorm_Block:
glInternalFormat = All.CompressedRgbaS3tcDxt1Ext;
break;
case Format.BC2_UNorm_Block:
glInternalFormat = All.CompressedRgbaS3tcDxt3Ext;
break;
case Format.BC3_UNorm_Block:
glInternalFormat = All.CompressedRgbaS3tcDxt5Ext;
break;
case Format.ETC1_R8G8B8_UNorm_Block:
if (ctx.SupportsEtc2)
{
glInternalFormat = CompressedRgb8Etc2;
}
else
{
glInternalFormat = All.Etc1Rgb8Oes;
}
break;
case Format.ETC2_R8G8B8_UNorm_Block:
glInternalFormat = CompressedRgb8Etc2;
break;
case Format.ETC2_R8G8B8A1_UNorm_Block:
glInternalFormat = CompressedRgb8PunchthroughAlpha1Etc2;
break;
case Format.ETC2_R8G8B8A8_UNorm_Block:
glInternalFormat = CompressedRgba8Etc2Eac;
break;
case Format.PVRTC1_2Bpp_UNorm_Block:
glInternalFormat = All.CompressedRgbaPvrtc2Bppv1Img;
break;
case Format.PVRTC1_4Bpp_UNorm_Block:
glInternalFormat = All.CompressedRgbaPvrtc4Bppv1Img;
break;
case Format.PVRTC2_2Bpp_UNorm_Block:
glInternalFormat = All.CompressedRgbaPvrtc2Bppv2Img;
break;
case Format.PVRTC2_4Bpp_UNorm_Block:
glInternalFormat = All.CompressedRgbaPvrtc4Bppv2Img;
break;
default:
throw new ArgumentException(nameof(format));
}
}
internal PlatformShader(PlatformRenderContext context, ShaderStageMask stage, string source)
{
Context = context;
Stage = stage;
Initialize(source);
}