internal void Activate(TextureTarget target, bool useMipmaps = false)
{
switch (Filter)
{
case TextureFilter.Point:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapNearest : TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.Linear:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.Anisotropic:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, MathHelper.Clamp(this.MaxAnisotropy, 1.0f, SamplerState.MaxTextureMaxAnisotropy));
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.PointMipLinear:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapLinear : TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.LinearMipPoint:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapNearest : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinLinearMagPointMipLinear:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinLinearMagPointMipPoint:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapNearest: TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinPointMagLinearMipLinear:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapLinear: TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinPointMagLinearMipPoint:
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapNearest: TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
default:
throw new NotSupportedException();
}
// Set up texture addressing.
GL.TexParameter(target, TextureParameterName.TextureWrapS, (int)GetWrapMode(AddressU));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureWrapT, (int)GetWrapMode(AddressV));
GraphicsExtensions.CheckGLError();
#if !GLES
// LOD bias is not supported by glTexParameter in OpenGL ES 2.0
GL.TexParameter(target, TextureParameterName.TextureLodBias, MipMapLevelOfDetailBias);
GraphicsExtensions.CheckGLError();
#endif
}
public void PlatformClear(ClearOptions options, Vector4 color, float depth, int stencil)
{
// TODO: We need to figure out how to detect if we have a
// depth stencil buffer or not, and clear options relating
// to them if not attached.
// Unlike with XNA and DirectX... GL.Clear() obeys several
// different render states:
//
// - The color write flags.
// - The scissor rectangle.
// - The depth/stencil state.
//
// So overwrite these states with what is needed to perform
// the clear correctly and restore it afterwards.
//
var prevScissorRect = ScissorRectangle;
var prevDepthStencilState = DepthStencilState;
var prevBlendState = BlendState;
ScissorRectangle = _viewport.Bounds;
// DepthStencilState.Default has the Stencil Test disabled;
// make sure stencil test is enabled before we clear since
// some drivers won't clear with stencil test disabled
DepthStencilState = this.clearDepthStencilState;
BlendState = BlendState.Opaque;
ApplyState(false);
ClearBufferMask bufferMask = 0;
if ((options & ClearOptions.Target) == ClearOptions.Target)
{
if (color != _lastClearColor)
{
GL.ClearColor(color.X, color.Y, color.Z, color.W);
GraphicsExtensions.CheckGLError();
_lastClearColor = color;
}
bufferMask = bufferMask | ClearBufferMask.ColorBufferBit;
}
if ((options & ClearOptions.Stencil) == ClearOptions.Stencil)
{
if (stencil != _lastClearStencil)
{
GL.ClearStencil(stencil);
GraphicsExtensions.CheckGLError();
_lastClearStencil = stencil;
}
bufferMask = bufferMask | ClearBufferMask.StencilBufferBit;
}
if ((options & ClearOptions.DepthBuffer) == ClearOptions.DepthBuffer)
{
if (depth != _lastClearDepth)
{
GL.ClearDepth(depth);
GraphicsExtensions.CheckGLError();
_lastClearDepth = depth;
}
bufferMask = bufferMask | ClearBufferMask.DepthBufferBit;
}
GL.Clear(bufferMask);
GraphicsExtensions.CheckGLError();
// Restore the previous render state.
ScissorRectangle = prevScissorRect;
DepthStencilState = prevDepthStencilState;
BlendState = prevBlendState;
}
/// <summary>
/// Activates the Current Vertex/Pixel shader pair into a program.
/// </summary>
private unsafe void ActivateShaderProgram()
{
// Lookup the shader program.
var shaderProgram = _programCache.GetProgram(VertexShader, PixelShader);
if (shaderProgram.Program == -1)
{
return;
}
// Set the new program if it has changed.
if (_shaderProgram != shaderProgram)
{
GL.UseProgram(shaderProgram.Program);
GraphicsExtensions.CheckGLError();
_shaderProgram = shaderProgram;
}
var posFixupLoc = shaderProgram.GetUniformLocation("posFixup");
if (posFixupLoc == -1)
{
return;
}
// Apply vertex shader fix:
// The following two lines are appended to the end of vertex shaders
// to account for rendering differences between OpenGL and DirectX:
//
// gl_Position.y = gl_Position.y * posFixup.y;
// gl_Position.xy += posFixup.zw * gl_Position.ww;
//
// (the following paraphrased from wine, wined3d/state.c and wined3d/glsl_shader.c)
//
// - We need to flip along the y-axis in case of offscreen rendering.
// - D3D coordinates refer to pixel centers while GL coordinates refer
// to pixel corners.
// - D3D has a top-left filling convention. We need to maintain this
// even after the y-flip mentioned above.
// In order to handle the last two points, we translate by
// (63.0 / 128.0) / VPw and (63.0 / 128.0) / VPh. This is equivalent to
// translating slightly less than half a pixel. We want the difference to
// be large enough that it doesn't get lost due to rounding inside the
// driver, but small enough to prevent it from interfering with any
// anti-aliasing.
//
// OpenGL coordinates specify the center of the pixel while d3d coords specify
// the corner. The offsets are stored in z and w in posFixup. posFixup.y contains
// 1.0 or -1.0 to turn the rendering upside down for offscreen rendering. PosFixup.x
// contains 1.0 to allow a mad.
_posFixup[0] = 1.0f;
_posFixup[1] = 1.0f;
_posFixup[2] = (63.0f / 64.0f) / Viewport.Width;
_posFixup[3] = -(63.0f / 64.0f) / Viewport.Height;
//If we have a render target bound (rendering offscreen)
if (IsRenderTargetBound)
{
//flip vertically
_posFixup[1] *= -1.0f;
_posFixup[3] *= -1.0f;
}
fixed(float *floatPtr = _posFixup)
{
GL.Uniform4(posFixupLoc, 1, floatPtr);
}
GraphicsExtensions.CheckGLError();
}
internal void PlatformApplyState(GraphicsDevice device, bool force = false)
{
var blendEnabled = !(this.ColorSourceBlend == Blend.One &&
this.ColorDestinationBlend == Blend.Zero &&
this.AlphaSourceBlend == Blend.One &&
this.AlphaDestinationBlend == Blend.Zero);
if (force || blendEnabled != device._lastBlendEnable)
{
if (blendEnabled)
{
GL.Enable(EnableCap.Blend);
}
else
{
GL.Disable(EnableCap.Blend);
}
GraphicsExtensions.CheckGLError();
device._lastBlendEnable = blendEnabled;
}
if (force || this.BlendFactor != device._lastBlendState.BlendFactor)
{
GL.BlendColor(
this.BlendFactor.R / 255.0f,
this.BlendFactor.G / 255.0f,
this.BlendFactor.B / 255.0f,
this.BlendFactor.A / 255.0f);
GraphicsExtensions.CheckGLError();
device._lastBlendState.BlendFactor = this.BlendFactor;
}
if (force ||
this.ColorBlendFunction != device._lastBlendState.ColorBlendFunction ||
this.AlphaBlendFunction != device._lastBlendState.AlphaBlendFunction)
{
GL.BlendEquationSeparate(
this.ColorBlendFunction.GetBlendEquationMode(),
this.AlphaBlendFunction.GetBlendEquationMode());
GraphicsExtensions.CheckGLError();
device._lastBlendState.ColorBlendFunction = this.ColorBlendFunction;
device._lastBlendState.AlphaBlendFunction = this.AlphaBlendFunction;
}
if (force ||
this.ColorSourceBlend != device._lastBlendState.ColorSourceBlend ||
this.ColorDestinationBlend != device._lastBlendState.ColorDestinationBlend ||
this.AlphaSourceBlend != device._lastBlendState.AlphaSourceBlend ||
this.AlphaDestinationBlend != device._lastBlendState.AlphaDestinationBlend)
{
GL.BlendFuncSeparate(
this.ColorSourceBlend.GetBlendFactorSrc(),
this.ColorDestinationBlend.GetBlendFactorDest(),
this.AlphaSourceBlend.GetBlendFactorSrc(),
this.AlphaDestinationBlend.GetBlendFactorDest());
GraphicsExtensions.CheckGLError();
device._lastBlendState.ColorSourceBlend = this.ColorSourceBlend;
device._lastBlendState.ColorDestinationBlend = this.ColorDestinationBlend;
device._lastBlendState.AlphaSourceBlend = this.AlphaSourceBlend;
device._lastBlendState.AlphaDestinationBlend = this.AlphaDestinationBlend;
}
if (force || this.ColorWriteChannels != device._lastBlendState.ColorWriteChannels)
{
GL.ColorMask(
(this.ColorWriteChannels & ColorWriteChannels.Red) != 0,
(this.ColorWriteChannels & ColorWriteChannels.Green) != 0,
(this.ColorWriteChannels & ColorWriteChannels.Blue) != 0,
(this.ColorWriteChannels & ColorWriteChannels.Alpha) != 0);
GraphicsExtensions.CheckGLError();
device._lastBlendState.ColorWriteChannels = this.ColorWriteChannels;
}
}
internal void SetSamplers(GraphicsDevice device)
{
#if DIRECTX
// Skip out if nothing has changed.
if (_d3dDirty == 0)
{
return;
}
// NOTE: We make the assumption here that the caller has
// locked the d3dContext for us to use.
var pixelShaderStage = device._d3dContext.PixelShader;
for (var i = 0; i < _samplers.Length; i++)
{
var mask = 1 << i;
if ((_d3dDirty & mask) == 0)
{
continue;
}
var sampler = _samplers[i];
SharpDX.Direct3D11.SamplerState state = null;
if (sampler != null)
{
state = sampler.GetState(device);
}
pixelShaderStage.SetSampler(i, state);
_d3dDirty &= ~mask;
if (_d3dDirty == 0)
{
break;
}
}
_d3dDirty = 0;
#elif OPENGL
for (var i = 0; i < _samplers.Length; i++)
{
var sampler = _samplers[i];
var texture = device.Textures[i];
if (sampler != null && texture != null && sampler != texture.glLastSamplerState)
{
// TODO: Avoid doing this redundantly (see TextureCollection.SetTextures())
// However, I suspect that rendering from the same texture with different sampling modes
// is a relatively rare occurrence...
GL.ActiveTexture(TextureUnit.Texture0 + i);
GraphicsExtensions.CheckGLError();
// NOTE: We don't have to bind the texture here because it is already bound in
// TextureCollection.SetTextures(). This, of course, assumes that SetTextures() is called
// before this method is called. If that ever changes this code will misbehave.
// GL.BindTexture(texture.glTarget, texture.glTexture);
// GraphicsExtensions.CheckGLError();
sampler.Activate(texture.glTarget, texture.LevelCount > 1);
texture.glLastSamplerState = sampler;
}
}
#elif PSM
for (var i = 0; i < _samplers.Length; i++)
{
var sampler = _samplers[i];
var texture = device.Textures[i] as Texture2D;
if (texture == null)
{
continue;
}
var psmTexture = texture._texture2D;
// FIXME: Handle mip attributes
// FIXME: Separable filters
psmTexture.SetFilter(
sampler.Filter == TextureFilter.Point
? Sce.PlayStation.Core.Graphics.TextureFilterMode.Nearest
: Sce.PlayStation.Core.Graphics.TextureFilterMode.Linear
);
// FIXME: The third address mode
psmTexture.SetWrap(
sampler.AddressU == TextureAddressMode.Clamp
? Sce.PlayStation.Core.Graphics.TextureWrapMode.ClampToEdge
: Sce.PlayStation.Core.Graphics.TextureWrapMode.Repeat,
sampler.AddressV == TextureAddressMode.Clamp
? Sce.PlayStation.Core.Graphics.TextureWrapMode.ClampToEdge
: Sce.PlayStation.Core.Graphics.TextureWrapMode.Repeat
);
}
#endif
}
internal void ApplyState(GraphicsDevice device)
{
// When rendering offscreen the faces change order.
var offscreen = device.GetRenderTargets().Length > 0;
if (CullMode == CullMode.None)
{
GL.Disable(EnableCap.CullFace);
GraphicsExtensions.CheckGLError();
}
else
{
GL.Enable(EnableCap.CullFace);
GraphicsExtensions.CheckGLError();
GL.CullFace(CullFaceMode.Back);
GraphicsExtensions.CheckGLError();
if (CullMode == CullMode.CullClockwiseFace)
{
if (offscreen)
{
GL.FrontFace(FrontFaceDirection.Cw);
}
else
{
GL.FrontFace(FrontFaceDirection.Ccw);
}
GraphicsExtensions.CheckGLError();
}
else
{
if (offscreen)
{
GL.FrontFace(FrontFaceDirection.Ccw);
}
else
{
GL.FrontFace(FrontFaceDirection.Cw);
}
GraphicsExtensions.CheckGLError();
}
}
#if SDL2
if (FillMode == FillMode.Solid)
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
}
else
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
}
#else
if (FillMode != FillMode.Solid)
{
throw new NotImplementedException();
}
#endif
if (ScissorTestEnable)
{
GL.Enable(EnableCap.ScissorTest);
}
else
{
GL.Disable(EnableCap.ScissorTest);
}
GraphicsExtensions.CheckGLError();
if (this.DepthBias != 0 || this.SlopeScaleDepthBias != 0)
{
GL.Enable(EnableCap.PolygonOffsetFill);
GL.PolygonOffset(this.SlopeScaleDepthBias, this.DepthBias);
}
else
{
GL.Disable(EnableCap.PolygonOffsetFill);
}
GraphicsExtensions.CheckGLError();
// TODO: Implement MultiSampleAntiAlias
}
public RenderTarget2D(GraphicsDevice graphicsDevice, int width, int height, bool mipMap, SurfaceFormat preferredFormat, DepthFormat preferredDepthFormat, int preferredMultiSampleCount, RenderTargetUsage usage)
: base(graphicsDevice, width, height, mipMap, preferredFormat, true)
{
DepthStencilFormat = preferredDepthFormat;
MultiSampleCount = preferredMultiSampleCount;
RenderTargetUsage = usage;
#if DIRECTX
// Create a view interface on the rendertarget to use on bind.
_renderTargetView = new SharpDX.Direct3D11.RenderTargetView(graphicsDevice._d3dDevice, _texture);
#endif
// If we don't need a depth buffer then we're done.
if (preferredDepthFormat == DepthFormat.None)
{
return;
}
#if DIRECTX
// Setup the multisampling description.
var multisampleDesc = new SharpDX.DXGI.SampleDescription(1, 0);
if (preferredMultiSampleCount > 1)
{
multisampleDesc.Count = preferredMultiSampleCount;
multisampleDesc.Quality = (int)SharpDX.Direct3D11.StandardMultisampleQualityLevels.StandardMultisamplePattern;
}
// Create a descriptor for the depth/stencil buffer.
// Allocate a 2-D surface as the depth/stencil buffer.
// Create a DepthStencil view on this surface to use on bind.
using (var depthBuffer = new SharpDX.Direct3D11.Texture2D(graphicsDevice._d3dDevice, new SharpDX.Direct3D11.Texture2DDescription()
{
Format = SharpDXHelper.ToFormat(preferredDepthFormat),
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
SampleDescription = multisampleDesc,
BindFlags = SharpDX.Direct3D11.BindFlags.DepthStencil,
}))
// Create the view for binding to the device.
_depthStencilView = new SharpDX.Direct3D11.DepthStencilView(graphicsDevice._d3dDevice, depthBuffer,
new SharpDX.Direct3D11.DepthStencilViewDescription()
{
Format = SharpDXHelper.ToFormat(preferredDepthFormat),
Dimension = SharpDX.Direct3D11.DepthStencilViewDimension.Texture2D
});
#elif OPENGL
#if GLES
GL.GenRenderbuffers(1, ref glDepthStencilBuffer);
#else
GL.GenRenderbuffers(1, out glDepthStencilBuffer);
#endif
GraphicsExtensions.CheckGLError();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, this.glDepthStencilBuffer);
GraphicsExtensions.CheckGLError();
var glDepthStencilFormat = GLDepthComponent16;
switch (preferredDepthFormat)
{
case DepthFormat.Depth16: glDepthStencilFormat = GLDepthComponent16; break;
case DepthFormat.Depth24: glDepthStencilFormat = GLDepthComponent24; break;
case DepthFormat.Depth24Stencil8: glDepthStencilFormat = GLDepth24Stencil8; break;
}
GL.RenderbufferStorage(GLRenderbuffer, glDepthStencilFormat, this.width, this.height);
GraphicsExtensions.CheckGLError();
#endif
}
internal virtual void DeleteFramebuffer(int framebuffer)
{
GL.DeleteFramebuffers(1, ref framebuffer);
GraphicsExtensions.CheckGLError();
}
internal virtual void FramebufferTexture2D(int attachement, int target, int texture, int level = 0, int samples = 0)
{
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, (FramebufferAttachment)attachement, (TextureTarget)target, texture, level);
GraphicsExtensions.CheckGLError();
}
public void SetData<T>(int level, Rectangle? rect, T[] data, int startIndex, int elementCount) where T : struct
{
if (data == null)
throw new ArgumentNullException("data");
#if OPENGL
Threading.BlockOnUIThread(() =>
{
#endif
#if !PSM
var elementSizeInByte = Marshal.SizeOf(typeof(T));
var dataHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
// Use try..finally to make sure dataHandle is freed in case of an error
try
{
var startBytes = startIndex * elementSizeInByte;
var dataPtr = (IntPtr)(dataHandle.AddrOfPinnedObject().ToInt64() + startBytes);
#endif
int x, y, w, h;
if (rect.HasValue)
{
x = rect.Value.X;
y = rect.Value.Y;
w = rect.Value.Width;
h = rect.Value.Height;
}
else
{
x = 0;
y = 0;
w = Math.Max(width >> level, 1);
h = Math.Max(height >> level, 1);
// For DXT textures the width and height of each level is a multiple of 4.
// OpenGL only: The last two mip levels require the width and height to be
// passed as 2x2 and 1x1, but there needs to be enough data passed to occupy
// a 4x4 block.
// Ref: http://www.mentby.com/Group/mac-opengl/issue-with-dxt-mipmapped-textures.html
if (_format == SurfaceFormat.Dxt1 ||
_format == SurfaceFormat.Dxt1a ||
_format == SurfaceFormat.Dxt3 ||
_format == SurfaceFormat.Dxt5)
{
#if DIRECTX
w = (w + 3) & ~3;
h = (h + 3) & ~3;
#else
if (w > 4)
w = (w + 3) & ~3;
if (h > 4)
h = (h + 3) & ~3;
#endif
}
}
#if DIRECTX
var box = new SharpDX.DataBox(dataPtr, GetPitch(w), 0);
var region = new SharpDX.Direct3D11.ResourceRegion();
region.Top = y;
region.Front = 0;
region.Back = 1;
region.Bottom = y + h;
region.Left = x;
region.Right = x + w;
// TODO: We need to deal with threaded contexts here!
var d3dContext = GraphicsDevice._d3dContext;
lock (d3dContext)
d3dContext.UpdateSubresource(box, GetTexture(), level, region);
#elif PSM
_texture2D.SetPixels(level, data, _texture2D.Format, startIndex, 0, x, y, w, h);
#elif OPENGL
// Store the current bound texture.
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
GL.BindTexture(TextureTarget.Texture2D, this.glTexture);
GraphicsExtensions.CheckGLError();
if (glFormat == (GLPixelFormat)All.CompressedTextureFormats)
{
if (rect.HasValue)
{
GL.CompressedTexSubImage2D(TextureTarget.Texture2D,
level, x, y, w, h,
#if GLES
glInternalFormat,
#else
glFormat,
#endif
data.Length - startBytes, dataPtr);
GraphicsExtensions.CheckGLError();
}
else
{
GL.CompressedTexImage2D(TextureTarget.Texture2D, level, glInternalFormat, w, h, 0, data.Length - startBytes, dataPtr);
GraphicsExtensions.CheckGLError();
}
}
else
{
// Set pixel alignment to match texel size in bytes
GL.PixelStore(PixelStoreParameter.UnpackAlignment, GraphicsExtensions.Size(this.Format));
if (rect.HasValue)
{
GL.TexSubImage2D(TextureTarget.Texture2D, level,
x, y, w, h,
glFormat, glType, dataPtr);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, level,
#if GLES
(int)glInternalFormat,
#else
glInternalFormat,
#endif
w, h, 0, glFormat, glType, dataPtr);
GraphicsExtensions.CheckGLError();
}
// Return to default pixel alignment
GL.PixelStore(PixelStoreParameter.UnpackAlignment, 4);
}
#if !ANDROID
GL.Finish();
GraphicsExtensions.CheckGLError();
#endif
// Restore the bound texture.
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
#endif // OPENGL
#if !PSM
}
finally
{
dataHandle.Free();
}
#endif
#if OPENGL
#if !ANDROID
// Required to make sure that any texture uploads on a thread are completed
// before the main thread tries to use the texture.
GL.Finish();
#endif
});
#endif
}
internal void SetTextures(GraphicsDevice device)
{
#if !DIRECTX
Threading.EnsureUIThread();
#endif
// Skip out if nothing has changed.
if (_dirty == 0)
{
return;
}
#if DIRECTX
// NOTE: We make the assumption here that the caller has
// locked the d3dContext for us to use.
var pixelShaderStage = device._d3dContext.PixelShader;
#endif
for (var i = 0; i < _textures.Length; i++)
{
var mask = 1 << i;
if ((_dirty & mask) == 0)
{
continue;
}
var tex = _textures[i];
#if OPENGL
GL.ActiveTexture(TextureUnit.Texture0 + i);
GraphicsExtensions.CheckGLError();
// Clear the previous binding if the
// target is different from the new one.
if (_targets[i] != 0 && (tex == null || _targets[i] != tex.glTarget))
{
GL.BindTexture(_targets[i], 0);
GraphicsExtensions.CheckGLError();
}
if (tex != null)
{
_targets[i] = tex.glTarget;
GL.BindTexture(tex.glTarget, tex.glTexture);
GraphicsExtensions.CheckGLError();
}
#elif DIRECTX
if (_textures[i] == null)
{
pixelShaderStage.SetShaderResource(i, null);
}
else
{
pixelShaderStage.SetShaderResource(i, _textures[i].GetShaderResourceView());
}
#endif
_dirty &= ~mask;
if (_dirty == 0)
{
break;
}
}
_dirty = 0;
}
protected Texture2D(GraphicsDevice graphicsDevice, int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
if (graphicsDevice == null)
throw new ArgumentNullException("Graphics Device Cannot Be Null");
this.GraphicsDevice = graphicsDevice;
this.width = width;
this.height = height;
this._format = format;
this._levelCount = mipmap ? CalculateMipLevels(width, height) : 1;
// Texture will be assigned by the swap chain.
if (type == SurfaceType.SwapChainRenderTarget)
return;
#if DIRECTX
_shared = shared;
_renderTarget = (type == SurfaceType.RenderTarget);
_mipmap = mipmap;
// Create texture
GetTexture();
#elif PSM
PixelBufferOption option = PixelBufferOption.None;
if (type == SurfaceType.RenderTarget)
option = PixelBufferOption.Renderable;
_texture2D = new Sce.PlayStation.Core.Graphics.Texture2D(width, height, mipmap, PSSHelper.ToFormat(format),option);
#else
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread(() =>
{
// Store the current bound texture.
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
if (glFormat == (GLPixelFormat)All.CompressedTextureFormats)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(this.width, 16) * Math.Max(this.height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(this.width, 8) * Math.Max(this.height, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.RgbEtc1:
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
imageSize = ((this.width + 3) / 4) * ((this.height + 3) / 4) * format.Size();
break;
default:
throw new NotSupportedException();
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0,
#if IOS || ANDROID
(int)glInternalFormat,
#else
glInternalFormat,
#endif
this.width, this.height, 0,
glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
// Restore the bound texture.
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
});
#endif
}
private byte[] GetTextureData(int ThreadPriorityLevel)
{
int framebufferId = -1;
int renderBufferID = -1;
GL.GenFramebuffers(1, ref framebufferId);
GraphicsExtensions.CheckGLError();
GL.BindFramebuffer(All.Framebuffer, framebufferId);
GraphicsExtensions.CheckGLError();
//renderBufferIDs = new int[currentRenderTargets];
GL.GenRenderbuffers(1, ref renderBufferID);
GraphicsExtensions.CheckGLError();
// attach the texture to FBO color attachment point
GL.FramebufferTexture2D(All.Framebuffer, All.ColorAttachment0,
All.Texture2D, this.glTexture, 0);
GraphicsExtensions.CheckGLError();
// create a renderbuffer object to store depth info
GL.BindRenderbuffer(All.Renderbuffer, renderBufferID);
GraphicsExtensions.CheckGLError();
var glDepthFormat = GraphicsCapabilities.SupportsDepth24 ? All.DepthComponent24Oes : GraphicsCapabilities.SupportsDepthNonLinear ? (OpenTK.Graphics.ES20.All)0x8E2C /*GLDepthComponent16NonLinear */: All.DepthComponent16;
GL.RenderbufferStorage(All.Renderbuffer, glDepthFormat, Width, Height);
GraphicsExtensions.CheckGLError();
// attach the renderbuffer to depth attachment point
GL.FramebufferRenderbuffer(All.Framebuffer, All.DepthAttachment,
All.Renderbuffer, renderBufferID);
GraphicsExtensions.CheckGLError();
All status = GL.CheckFramebufferStatus(All.Framebuffer);
if (status != All.FramebufferComplete)
throw new Exception("Error creating framebuffer: " + status);
byte[] imageInfo;
int sz = 0;
switch (this.Format)
{
case SurfaceFormat.Color: //kTexture2DPixelFormat_RGBA8888
case SurfaceFormat.Dxt3:
sz = 4;
imageInfo = new byte[(Width * Height) * sz];
break;
case SurfaceFormat.Bgra4444: //kTexture2DPixelFormat_RGBA4444
sz = 2;
imageInfo = new byte[(Width * Height) * sz];
break;
case SurfaceFormat.Bgra5551: //kTexture2DPixelFormat_RGB5A1
sz = 2;
imageInfo = new byte[(Width * Height) * sz];
break;
case SurfaceFormat.Alpha8: // kTexture2DPixelFormat_A8
sz = 1;
imageInfo = new byte[(Width * Height) * sz];
break;
default:
throw new NotSupportedException("Texture format");
}
GL.ReadPixels(0,0,Width, Height, All.Rgba, All.UnsignedByte, imageInfo);
GraphicsExtensions.CheckGLError();
GL.FramebufferRenderbuffer(All.Framebuffer, All.DepthAttachment, All.Renderbuffer, 0);
GraphicsExtensions.CheckGLError();
GL.DeleteRenderbuffers(1, ref renderBufferID);
GraphicsExtensions.CheckGLError();
GL.DeleteFramebuffers(1, ref framebufferId);
GraphicsExtensions.CheckGLError();
GL.BindFramebuffer(All.Framebuffer, 0);
GraphicsExtensions.CheckGLError();
return imageInfo;
}
static SamplerState()
{
#if OPENGL
#if GLES
if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.GetFloat(GetPNameMaxTextureMaxAnisotropy, ref SamplerState.MaxTextureMaxAnisotropy);
}
#else
GL.GetFloat(GetPNameMaxTextureMaxAnisotropy, out SamplerState.MaxTextureMaxAnisotropy);
#endif
GraphicsExtensions.CheckGLError();
#endif
_anisotropicClamp = new Utilities.ObjectFactoryWithReset <SamplerState>(() => new SamplerState
{
Name = "SamplerState.AnisotropicClamp",
Filter = TextureFilter.Anisotropic,
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
});
_anisotropicWrap = new Utilities.ObjectFactoryWithReset <SamplerState>(() => new SamplerState
{
Name = "SamplerState.AnisotropicWrap",
Filter = TextureFilter.Anisotropic,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
});
_linearClamp = new Utilities.ObjectFactoryWithReset <SamplerState>(() => new SamplerState
{
Name = "SamplerState.LinearClamp",
Filter = TextureFilter.Linear,
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
});
_linearWrap = new Utilities.ObjectFactoryWithReset <SamplerState>(() => new SamplerState
{
Name = "SamplerState.LinearWrap",
Filter = TextureFilter.Linear,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
});
_pointClamp = new Utilities.ObjectFactoryWithReset <SamplerState>(() => new SamplerState
{
Name = "SamplerState.PointClamp",
Filter = TextureFilter.Point,
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
});
_pointWrap = new Utilities.ObjectFactoryWithReset <SamplerState>(() => new SamplerState
{
Name = "SamplerState.PointWrap",
Filter = TextureFilter.Point,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
});
}
internal void PlatformApplyState(bool applyShaders)
{
if (_scissorRectangleDirty)
{
var scissorRect = _scissorRectangle;
if (!IsRenderTargetBound)
{
scissorRect.Y = PresentationParameters.BackBufferHeight - (scissorRect.Y + scissorRect.Height);
}
gl.scissor(scissorRect.X, scissorRect.Y, scissorRect.Width, scissorRect.Height);
GraphicsExtensions.CheckGLError();
_scissorRectangleDirty = false;
}
// If we're not applying shaders then early out now.
if (!applyShaders)
{
return;
}
if (_indexBufferDirty)
{
if (_indexBuffer != null)
{
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, _indexBuffer.ibo);
GraphicsExtensions.CheckGLError();
}
_indexBufferDirty = false;
}
if (_vertexShader == null)
{
throw new InvalidOperationException("A vertex shader must be set!");
}
if (_pixelShader == null)
{
throw new InvalidOperationException("A pixel shader must be set!");
}
if (_vertexShaderDirty || _pixelShaderDirty)
{
ActivateShaderProgram();
if (_vertexShaderDirty)
{
unchecked
{
_graphicsMetrics._vertexShaderCount++;
}
}
if (_pixelShaderDirty)
{
unchecked
{
_graphicsMetrics._pixelShaderCount++;
}
}
_vertexShaderDirty = _pixelShaderDirty = false;
}
_vertexConstantBuffers.SetConstantBuffers(this, _shaderProgram);
_pixelConstantBuffers.SetConstantBuffers(this, _shaderProgram);
Textures.SetTextures(this);
SamplerStates.PlatformSetSamplers(this);
}
internal virtual void FramebufferRenderbuffer(int attachement, int renderbuffer, int level = 0)
{
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, (FramebufferAttachment)attachement, RenderbufferTarget.Renderbuffer, renderbuffer);
GraphicsExtensions.CheckGLError();
}
internal void ApplyState(GraphicsDevice device)
{
if (!DepthBufferEnable)
{
GL.Disable(EnableCap.DepthTest);
GraphicsExtensions.CheckGLError();
}
else
{
// enable Depth Buffer
GL.Enable(EnableCap.DepthTest);
GraphicsExtensions.CheckGLError();
DepthFunction func;
switch (DepthBufferFunction)
{
default:
case CompareFunction.Always:
func = DepthFunction.Always;
break;
case CompareFunction.Equal:
func = DepthFunction.Equal;
break;
case CompareFunction.Greater:
func = DepthFunction.Greater;
break;
case CompareFunction.GreaterEqual:
func = DepthFunction.Gequal;
break;
case CompareFunction.Less:
func = DepthFunction.Less;
break;
case CompareFunction.LessEqual:
func = DepthFunction.Lequal;
break;
case CompareFunction.Never:
func = DepthFunction.Never;
break;
case CompareFunction.NotEqual:
func = DepthFunction.Notequal;
break;
}
GL.DepthFunc(func);
GraphicsExtensions.CheckGLError();
}
GL.DepthMask(DepthBufferWriteEnable);
GraphicsExtensions.CheckGLError();
if (!StencilEnable)
{
GL.Disable(EnableCap.StencilTest);
GraphicsExtensions.CheckGLError();
}
else
{
// enable Stencil
GL.Enable(EnableCap.StencilTest);
GraphicsExtensions.CheckGLError();
// Set color mask - not needed
//GL.ColorMask(false, false, false, false); //Disable drawing colors to the screen
// set function
GLStencilFunction func;
switch (StencilFunction)
{
default:
case CompareFunction.Always:
func = GLStencilFunction.Always;
break;
case CompareFunction.Equal:
func = GLStencilFunction.Equal;
break;
case CompareFunction.Greater:
func = GLStencilFunction.Greater;
break;
case CompareFunction.GreaterEqual:
func = GLStencilFunction.Gequal;
break;
case CompareFunction.Less:
func = GLStencilFunction.Less;
break;
case CompareFunction.LessEqual:
func = GLStencilFunction.Lequal;
break;
case CompareFunction.Never:
func = GLStencilFunction.Never;
break;
case CompareFunction.NotEqual:
func = GLStencilFunction.Notequal;
break;
}
GL.StencilFunc(func, ReferenceStencil, StencilMask);
GraphicsExtensions.CheckGLError();
GL.StencilOp(GetStencilOp(StencilFail),
GetStencilOp(StencilDepthBufferFail),
GetStencilOp(StencilPass));
GraphicsExtensions.CheckGLError();
}
}
internal virtual void GenerateMipmap(int target)
{
GL.GenerateMipmap((GenerateMipmapTarget)target);
GraphicsExtensions.CheckGLError();
}
private void PlatformConstruct(GraphicsDevice graphicsDevice, int size, bool mipMap, SurfaceFormat format, bool renderTarget)
{
this.glTarget = gl.TEXTURE_CUBE_MAP;
this.glTexture = gl.createTexture();
GraphicsExtensions.CheckGLError();
gl.bindTexture(gl.TEXTURE_CUBE_MAP, this.glTexture);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, mipMap ? gl.LINEAR_MIPMAP_LINEAR : gl.LINEAR);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
for (var i = 0; i < 6; i++)
{
var target = GetGLCubeFace((CubeMapFace)i);
if (glFormat == gl.COMPRESSED_TEXTURE_FORMATS)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(size, 16) * Math.Max(size, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(size, 8) * Math.Max(size, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt1SRgb:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt3SRgb:
case SurfaceFormat.Dxt5:
case SurfaceFormat.Dxt5SRgb:
case SurfaceFormat.RgbEtc1:
case SurfaceFormat.RgbaAtcExplicitAlpha:
case SurfaceFormat.RgbaAtcInterpolatedAlpha:
imageSize = (size + 3) / 4 * ((size + 3) / 4) * format.GetSize();
break;
default:
throw new NotSupportedException();
}
gl.compressedTexImage2D(target, 0, glInternalFormat, size, size, 0, new Int8Array(0));
GraphicsExtensions.CheckGLError();
}
else
{
gl.texImage2D(target, 0, glInternalFormat, size, size, 0, glFormat, glType, new Int8Array(0).As <ArrayBufferView>());
GraphicsExtensions.CheckGLError();
}
}
if (mipMap)
{
gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
GraphicsExtensions.CheckGLError();
}
}
internal virtual void GenRenderbuffer(out int renderbuffer)
{
GL.GenRenderbuffers(1, out renderbuffer);
GraphicsExtensions.CheckGLError();
}
protected void SetDataInternal <T>(int offsetInBytes, T[] data, int startIndex, int elementCount, SetDataOptions options) where T : struct
{
if (data == null)
{
throw new ArgumentNullException("data is null");
}
if (data.Length < (startIndex + elementCount))
{
throw new InvalidOperationException("The array specified in the data parameter is not the correct size for the amount of data requested.");
}
#if DIRECTX
if (_isDynamic)
{
// We assume discard by default.
var mode = SharpDX.Direct3D11.MapMode.WriteDiscard;
if ((options & SetDataOptions.NoOverwrite) == SetDataOptions.NoOverwrite)
{
mode = SharpDX.Direct3D11.MapMode.WriteNoOverwrite;
}
SharpDX.DataStream stream;
lock (graphicsDevice._d3dContext)
{
graphicsDevice._d3dContext.MapSubresource(
_buffer,
mode,
SharpDX.Direct3D11.MapFlags.None,
out stream);
stream.Position = offsetInBytes;
stream.WriteRange(data, startIndex, elementCount);
graphicsDevice._d3dContext.UnmapSubresource(_buffer, 0);
}
}
else
{
var elementSizeInBytes = Marshal.SizeOf(typeof(T));
var dataHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
var startBytes = startIndex * elementSizeInBytes;
var dataPtr = (IntPtr)(dataHandle.AddrOfPinnedObject().ToInt64() + startBytes);
var box = new SharpDX.DataBox(dataPtr, 1, 0);
var region = new SharpDX.Direct3D11.ResourceRegion();
region.Top = 0;
region.Front = 0;
region.Back = 1;
region.Bottom = 1;
region.Left = offsetInBytes;
region.Right = offsetInBytes + (elementCount * elementSizeInBytes);
// TODO: We need to deal with threaded contexts here!
lock (graphicsDevice._d3dContext)
graphicsDevice._d3dContext.UpdateSubresource(box, _buffer, 0, region);
dataHandle.Free();
}
#elif PSS
if (typeof(T) == typeof(ushort))
{
Array.Copy(data, offsetInBytes / sizeof(ushort), _buffer, startIndex, elementCount);
}
else
{
throw new NotImplementedException("PSS Currently only supports ushort (SixteenBits) index elements");
//Something like as follows probably works if you really need this, but really just make a ushort array!
/*
* int indexOffset = offsetInBytes / sizeof(T);
* for (int i = 0; i < elementCount; i++)
* _buffer[i + startIndex] = (ushort)(object)data[i + indexOffset];
*/
}
#else
Threading.BlockOnUIThread(() =>
{
var elementSizeInByte = Marshal.SizeOf(typeof(T));
var sizeInBytes = elementSizeInByte * elementCount;
var dataHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
var dataPtr = (IntPtr)(dataHandle.AddrOfPinnedObject().ToInt64() + startIndex * elementSizeInByte);
var bufferSize = IndexCount * (IndexElementSize == IndexElementSize.SixteenBits ? 2 : 4);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ibo);
GraphicsExtensions.CheckGLError();
if (options == SetDataOptions.Discard)
{
// By assigning NULL data to the buffer this gives a hint
// to the device to discard the previous content.
GL.BufferData(BufferTarget.ElementArrayBuffer,
(IntPtr)bufferSize,
IntPtr.Zero,
_isDynamic ? BufferUsageHint.StreamDraw : BufferUsageHint.StaticDraw);
GraphicsExtensions.CheckGLError();
}
GL.BufferSubData(BufferTarget.ElementArrayBuffer, (IntPtr)offsetInBytes, (IntPtr)sizeInBytes, dataPtr);
GraphicsExtensions.CheckGLError();
dataHandle.Free();
});
#endif
}
internal virtual void BindRenderbuffer(int renderbuffer)
{
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, renderbuffer);
GraphicsExtensions.CheckGLError();
}
private void PlatformGetData <T>(int level, int arraySlice, Rectangle rect, T[] data, int startIndex, int elementCount) where T : struct
{
Threading.EnsureUIThread();
#if GLES
// TODO: check for for non renderable formats (formats that can't be attached to FBO)
var framebufferId = 0;
GL.GenFramebuffers(1, out framebufferId);
GraphicsExtensions.CheckGLError();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebufferId);
GraphicsExtensions.CheckGLError();
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, this.glTexture, 0);
GraphicsExtensions.CheckGLError();
GL.ReadPixels(rect.X, rect.Y, rect.Width, rect.Height, this.glFormat, this.glType, data);
GraphicsExtensions.CheckGLError();
GraphicsDevice.DisposeFramebuffer(framebufferId);
#else
var tSizeInByte = ReflectionHelpers.SizeOf <T> .Get();
GL.BindTexture(TextureTarget.Texture2D, this.glTexture);
GL.PixelStore(PixelStoreParameter.PackAlignment, Math.Min(tSizeInByte, 8));
if (glFormat == (PixelFormat)GLPixelFormat.CompressedTextureFormats)
{
// Note: for compressed format Format.GetSize() returns the size of a 4x4 block
var pixelToT = Format.GetSize() / tSizeInByte;
var tFullWidth = Math.Max(this.width >> level, 1) / 4 * pixelToT;
var temp = new T[Math.Max(this.height >> level, 1) / 4 * tFullWidth];
GL.GetCompressedTexImage(TextureTarget.Texture2D, level, temp);
GraphicsExtensions.CheckGLError();
var rowCount = rect.Height / 4;
var tRectWidth = rect.Width / 4 * Format.GetSize() / tSizeInByte;
for (var r = 0; r < rowCount; r++)
{
var tempStart = rect.X / 4 * pixelToT + (rect.Top / 4 + r) * tFullWidth;
var dataStart = startIndex + r * tRectWidth;
Array.Copy(temp, tempStart, data, dataStart, tRectWidth);
}
}
else
{
// we need to convert from our format size to the size of T here
var tFullWidth = Math.Max(this.width >> level, 1) * Format.GetSize() / tSizeInByte;
var temp = new T[Math.Max(this.height >> level, 1) * tFullWidth];
GL.GetTexImage(TextureTarget.Texture2D, level, glFormat, glType, temp);
GraphicsExtensions.CheckGLError();
var pixelToT = Format.GetSize() / tSizeInByte;
var rowCount = rect.Height;
var tRectWidth = rect.Width * pixelToT;
for (var r = 0; r < rowCount; r++)
{
var tempStart = rect.X * pixelToT + (r + rect.Top) * tFullWidth;
var dataStart = startIndex + r * tRectWidth;
Array.Copy(temp, tempStart, data, dataStart, tRectWidth);
}
}
#endif
}
internal virtual void DeleteRenderbuffer(int renderbuffer)
{
GL.DeleteRenderbuffers(1, ref renderbuffer);
GraphicsExtensions.CheckGLError();
}
internal void PlatformApplyState(GraphicsDevice device, bool force = false)
{
if (force || this.DepthBufferEnable != device._lastDepthStencilState.DepthBufferEnable)
{
if (!DepthBufferEnable)
{
GL.Disable(EnableCap.DepthTest);
GraphicsExtensions.CheckGLError();
}
else
{
// enable Depth Buffer
GL.Enable(EnableCap.DepthTest);
GraphicsExtensions.CheckGLError();
}
device._lastDepthStencilState.DepthBufferEnable = this.DepthBufferEnable;
}
if (force || this.DepthBufferFunction != device._lastDepthStencilState.DepthBufferFunction)
{
GL.DepthFunc(DepthBufferFunction.GetDepthFunction());
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.DepthBufferFunction = this.DepthBufferFunction;
}
if (force || this.DepthBufferWriteEnable != device._lastDepthStencilState.DepthBufferWriteEnable)
{
GL.DepthMask(DepthBufferWriteEnable);
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.DepthBufferWriteEnable = this.DepthBufferWriteEnable;
}
if (force || this.StencilEnable != device._lastDepthStencilState.StencilEnable)
{
if (!StencilEnable)
{
GL.Disable(EnableCap.StencilTest);
GraphicsExtensions.CheckGLError();
}
else
{
// enable Stencil
GL.Enable(EnableCap.StencilTest);
GraphicsExtensions.CheckGLError();
}
device._lastDepthStencilState.StencilEnable = this.StencilEnable;
}
// set function
if (this.TwoSidedStencilMode)
{
var cullFaceModeFront = StencilFace.Front;
var cullFaceModeBack = StencilFace.Back;
var stencilFaceFront = StencilFace.Front;
var stencilFaceBack = StencilFace.Back;
if (force ||
this.TwoSidedStencilMode != device._lastDepthStencilState.TwoSidedStencilMode ||
this.StencilFunction != device._lastDepthStencilState.StencilFunction ||
this.ReferenceStencil != device._lastDepthStencilState.ReferenceStencil ||
this.StencilMask != device._lastDepthStencilState.StencilMask)
{
GL.StencilFuncSeparate(cullFaceModeFront, GetStencilFunc(this.StencilFunction),
this.ReferenceStencil, this.StencilMask);
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.StencilFunction = this.StencilFunction;
device._lastDepthStencilState.ReferenceStencil = this.ReferenceStencil;
device._lastDepthStencilState.StencilMask = this.StencilMask;
}
if (force ||
this.TwoSidedStencilMode != device._lastDepthStencilState.TwoSidedStencilMode ||
this.CounterClockwiseStencilFunction != device._lastDepthStencilState.CounterClockwiseStencilFunction ||
this.ReferenceStencil != device._lastDepthStencilState.ReferenceStencil ||
this.StencilMask != device._lastDepthStencilState.StencilMask)
{
GL.StencilFuncSeparate(cullFaceModeBack, GetStencilFunc(this.CounterClockwiseStencilFunction),
this.ReferenceStencil, this.StencilMask);
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.CounterClockwiseStencilFunction = this.CounterClockwiseStencilFunction;
device._lastDepthStencilState.ReferenceStencil = this.ReferenceStencil;
device._lastDepthStencilState.StencilMask = this.StencilMask;
}
if (force ||
this.TwoSidedStencilMode != device._lastDepthStencilState.TwoSidedStencilMode ||
this.StencilFail != device._lastDepthStencilState.StencilFail ||
this.StencilDepthBufferFail != device._lastDepthStencilState.StencilDepthBufferFail ||
this.StencilPass != device._lastDepthStencilState.StencilPass)
{
GL.StencilOpSeparate(stencilFaceFront, GetStencilOp(this.StencilFail),
GetStencilOp(this.StencilDepthBufferFail),
GetStencilOp(this.StencilPass));
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.StencilFail = this.StencilFail;
device._lastDepthStencilState.StencilDepthBufferFail = this.StencilDepthBufferFail;
device._lastDepthStencilState.StencilPass = this.StencilPass;
}
if (force ||
this.TwoSidedStencilMode != device._lastDepthStencilState.TwoSidedStencilMode ||
this.CounterClockwiseStencilFail != device._lastDepthStencilState.CounterClockwiseStencilFail ||
this.CounterClockwiseStencilDepthBufferFail != device._lastDepthStencilState.CounterClockwiseStencilDepthBufferFail ||
this.CounterClockwiseStencilPass != device._lastDepthStencilState.CounterClockwiseStencilPass)
{
GL.StencilOpSeparate(stencilFaceBack, GetStencilOp(this.CounterClockwiseStencilFail),
GetStencilOp(this.CounterClockwiseStencilDepthBufferFail),
GetStencilOp(this.CounterClockwiseStencilPass));
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.CounterClockwiseStencilFail = this.CounterClockwiseStencilFail;
device._lastDepthStencilState.CounterClockwiseStencilDepthBufferFail = this.CounterClockwiseStencilDepthBufferFail;
device._lastDepthStencilState.CounterClockwiseStencilPass = this.CounterClockwiseStencilPass;
}
}
else
{
if (force ||
this.TwoSidedStencilMode != device._lastDepthStencilState.TwoSidedStencilMode ||
this.StencilFunction != device._lastDepthStencilState.StencilFunction ||
this.ReferenceStencil != device._lastDepthStencilState.ReferenceStencil ||
this.StencilMask != device._lastDepthStencilState.StencilMask)
{
GL.StencilFunc(GetStencilFunc(this.StencilFunction), ReferenceStencil, StencilMask);
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.StencilFunction = this.StencilFunction;
device._lastDepthStencilState.ReferenceStencil = this.ReferenceStencil;
device._lastDepthStencilState.StencilMask = this.StencilMask;
}
if (force ||
this.TwoSidedStencilMode != device._lastDepthStencilState.TwoSidedStencilMode ||
this.StencilFail != device._lastDepthStencilState.StencilFail ||
this.StencilDepthBufferFail != device._lastDepthStencilState.StencilDepthBufferFail ||
this.StencilPass != device._lastDepthStencilState.StencilPass)
{
GL.StencilOp(GetStencilOp(StencilFail),
GetStencilOp(StencilDepthBufferFail),
GetStencilOp(StencilPass));
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.StencilFail = this.StencilFail;
device._lastDepthStencilState.StencilDepthBufferFail = this.StencilDepthBufferFail;
device._lastDepthStencilState.StencilPass = this.StencilPass;
}
}
device._lastDepthStencilState.TwoSidedStencilMode = this.TwoSidedStencilMode;
if (force || this.StencilWriteMask != device._lastDepthStencilState.StencilWriteMask)
{
GL.StencilMask(this.StencilWriteMask);
GraphicsExtensions.CheckGLError();
device._lastDepthStencilState.StencilWriteMask = this.StencilWriteMask;
}
}
internal virtual void GenFramebuffer(out int framebuffer)
{
GL.GenFramebuffers(1, out framebuffer);
GraphicsExtensions.CheckGLError();
}
private void PlatformResolveRenderTargets()
{
if (this._currentRenderTargetCount == 0)
{
return;
}
var renderTargetBinding = this._currentRenderTargetBindings[0];
var renderTarget = renderTargetBinding.RenderTarget as IRenderTarget;
if (renderTarget.MultiSampleCount > 0 && this.framebufferHelper.SupportsBlitFramebuffer)
{
var glResolveFramebuffer = 0;
if (!this.glResolveFramebuffers.TryGetValue(this._currentRenderTargetBindings, out glResolveFramebuffer))
{
this.framebufferHelper.GenFramebuffer(out glResolveFramebuffer);
this.framebufferHelper.BindFramebuffer(glResolveFramebuffer);
for (var i = 0; i < this._currentRenderTargetCount; ++i)
{
this.framebufferHelper.FramebufferTexture2D((int)(FramebufferAttachment.ColorAttachment0 + i), (int)renderTarget.GetFramebufferTarget(renderTargetBinding), renderTarget.GLTexture);
}
this.glResolveFramebuffers.Add((RenderTargetBinding[])this._currentRenderTargetBindings.Clone(), glResolveFramebuffer);
}
else
{
this.framebufferHelper.BindFramebuffer(glResolveFramebuffer);
}
// The only fragment operations which affect the resolve are the pixel ownership test, the scissor test, and dithering.
if (this._lastRasterizerState.ScissorTestEnable)
{
GL.Disable(EnableCap.ScissorTest);
GraphicsExtensions.CheckGLError();
}
var glFramebuffer = this.glFramebuffers[this._currentRenderTargetBindings];
this.framebufferHelper.BindReadFramebuffer(glFramebuffer);
for (var i = 0; i < this._currentRenderTargetCount; ++i)
{
renderTargetBinding = this._currentRenderTargetBindings[i];
renderTarget = renderTargetBinding.RenderTarget as IRenderTarget;
this.framebufferHelper.BlitFramebuffer(i, renderTarget.Width, renderTarget.Height);
}
if (renderTarget.RenderTargetUsage == RenderTargetUsage.DiscardContents && this.framebufferHelper.SupportsInvalidateFramebuffer)
{
this.framebufferHelper.InvalidateReadFramebuffer();
}
if (this._lastRasterizerState.ScissorTestEnable)
{
GL.Enable(EnableCap.ScissorTest);
GraphicsExtensions.CheckGLError();
}
}
for (var i = 0; i < this._currentRenderTargetCount; ++i)
{
renderTargetBinding = this._currentRenderTargetBindings[i];
renderTarget = renderTargetBinding.RenderTarget as IRenderTarget;
if (renderTarget.LevelCount > 1)
{
GL.BindTexture((TextureTarget)renderTarget.GLTarget, renderTarget.GLTexture);
GraphicsExtensions.CheckGLError();
this.framebufferHelper.GenerateMipmap((int)renderTarget.GLTarget);
}
}
}
internal virtual void BindReadFramebuffer(int readFramebuffer)
{
GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, readFramebuffer);
GraphicsExtensions.CheckGLError();
}
internal void PlatformApplyState(bool applyShaders)
{
if (_scissorRectangleDirty)
{
var scissorRect = _scissorRectangle;
if (!IsRenderTargetBound)
{
scissorRect.Y = _viewport.Height - scissorRect.Y - scissorRect.Height;
}
GL.Scissor(scissorRect.X, scissorRect.Y, scissorRect.Width, scissorRect.Height);
GraphicsExtensions.CheckGLError();
_scissorRectangleDirty = false;
}
// If we're not applying shaders then early out now.
if (!applyShaders)
{
return;
}
if (_indexBufferDirty)
{
if (_indexBuffer != null)
{
GL.BindBuffer(BufferTarget.ElementArrayBuffer, _indexBuffer.ibo);
GraphicsExtensions.CheckGLError();
}
_indexBufferDirty = false;
}
if (_vertexBuffersDirty)
{
if (_vertexBuffers.Count > 0)
{
GL.BindBuffer(BufferTarget.ArrayBuffer, _vertexBuffers.Get(0).VertexBuffer.vbo);
GraphicsExtensions.CheckGLError();
}
_vertexBuffersDirty = false;
}
if (_vertexShader == null)
{
throw new InvalidOperationException("A vertex shader must be set!");
}
if (_pixelShader == null)
{
throw new InvalidOperationException("A pixel shader must be set!");
}
if (_vertexShaderDirty || _pixelShaderDirty)
{
ActivateShaderProgram();
if (_vertexShaderDirty)
{
unchecked
{
_graphicsMetrics._vertexShaderCount++;
}
}
if (_pixelShaderDirty)
{
unchecked
{
_graphicsMetrics._pixelShaderCount++;
}
}
_vertexShaderDirty = _pixelShaderDirty = false;
}
_vertexConstantBuffers.SetConstantBuffers(this, _shaderProgram);
_pixelConstantBuffers.SetConstantBuffers(this, _shaderProgram);
Textures.SetTextures(this);
SamplerStates.PlatformSetSamplers(this);
}
internal void Activate(GraphicsDevice device, TextureTarget target, bool useMipmaps = false)
{
if (GraphicsDevice == null)
{
// We're now bound to a device... no one should
// be changing the state of this object now!
GraphicsDevice = device;
}
Debug.Assert(GraphicsDevice == device, "The state was created for a different device!");
switch (Filter)
{
case TextureFilter.Point:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapNearest : TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.Linear:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.Anisotropic:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, MathHelper.Clamp(this.MaxAnisotropy, 1.0f, GraphicsDevice.GraphicsCapabilities.MaxTextureAnisotropy));
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.PointMipLinear:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapLinear : TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.LinearMipPoint:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapNearest : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinLinearMagPointMipLinear:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinLinearMagPointMipPoint:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapNearest: TextureMinFilter.Linear));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinPointMagLinearMipLinear:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapLinear: TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
case TextureFilter.MinPointMagLinearMipPoint:
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureFilterAnisotropic)
{
GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
GraphicsExtensions.CheckGLError();
}
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapNearest: TextureMinFilter.Nearest));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
break;
default:
throw new NotSupportedException();
}
// Set up texture addressing.
GL.TexParameter(target, TextureParameterName.TextureWrapS, (int)GetWrapMode(AddressU));
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureWrapT, (int)GetWrapMode(AddressV));
GraphicsExtensions.CheckGLError();
#if !GLES
// Border color is not supported by glTexParameter in OpenGL ES 2.0
_openGLBorderColor[0] = BorderColor.R / 255.0f;
_openGLBorderColor[1] = BorderColor.G / 255.0f;
_openGLBorderColor[2] = BorderColor.B / 255.0f;
_openGLBorderColor[3] = BorderColor.A / 255.0f;
GL.TexParameter(target, TextureParameterName.TextureBorderColor, _openGLBorderColor);
GraphicsExtensions.CheckGLError();
// LOD bias is not supported by glTexParameter in OpenGL ES 2.0
GL.TexParameter(target, TextureParameterName.TextureLodBias, MipMapLevelOfDetailBias);
GraphicsExtensions.CheckGLError();
// Comparison samplers are not supported in OpenGL ES 2.0 (without an extension, anyway)
if (ComparisonFunction != CompareFunction.Never)
{
GL.TexParameter(target, TextureParameterName.TextureCompareMode, (int)TextureCompareMode.CompareRefToTexture);
GraphicsExtensions.CheckGLError();
GL.TexParameter(target, TextureParameterName.TextureCompareFunc, (int)ComparisonFunction.GetDepthFunction());
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexParameter(target, TextureParameterName.TextureCompareMode, (int)TextureCompareMode.None);
GraphicsExtensions.CheckGLError();
}
#endif
if (GraphicsDevice.GraphicsCapabilities.SupportsTextureMaxLevel)
{
if (this.MaxMipLevel > 0)
{
GL.TexParameter(TextureTarget.Texture2D, TextureParameterNameTextureMaxLevel, this.MaxMipLevel);
}
else
{
GL.TexParameter(TextureTarget.Texture2D, TextureParameterNameTextureMaxLevel, 1000);
}
}
}
