/// <summary>
/// Sets the current render target.
/// </summary>
private void SetRenderTargetInternal(RenderTarget2D renderTarget,
Color?clearColor = null, Double?clearDepth = null, Int32?clearStencil = null)
{
Ultraviolet.ValidateResource(renderTarget);
var usage = renderTarget?.RenderTargetUsage ?? backBufferRenderTargetUsage;
if (usage == RenderTargetUsage.PlatformContents)
{
usage = Capabilities.SupportsPreservingRenderTargetContentInHardware ?
RenderTargetUsage.PreserveContents :
RenderTargetUsage.DiscardContents;
}
var oglRenderTarget = (OpenGLRenderTarget2D)renderTarget;
if (oglRenderTarget != this.renderTarget)
{
var targetName = gl.DefaultFramebuffer;
var targetSize = Size2.Zero;
if (oglRenderTarget != null)
{
oglRenderTarget.ValidateStatus();
targetName = oglRenderTarget.OpenGLName;
targetSize = renderTarget.Size;
}
else
{
var currentWindow = Ultraviolet.GetPlatform().Windows.GetCurrent();
if (currentWindow != null)
{
targetSize = currentWindow.DrawableSize;
}
}
OpenGLState.BindFramebuffer(targetName);
if (this.renderTarget != null)
{
this.renderTarget.UnbindWrite();
}
this.renderTarget = oglRenderTarget;
if (this.renderTarget != null)
{
this.renderTarget.BindWrite();
}
this.viewport = default(Viewport);
SetViewport(new Viewport(0, 0, targetSize.Width, targetSize.Height));
if (usage == RenderTargetUsage.DiscardContents)
{
Clear(clearColor ?? Color.FromArgb(0xFF442288), clearDepth ?? 1.0, clearStencil ?? 0);
}
}
}
/// <inheritdoc/>
public override void Attach(IndexBuffer ibuffer)
{
Contract.Require(ibuffer, nameof(ibuffer));
Contract.EnsureNot(HasIndices, UltravioletStrings.GeometryStreamAlreadyHasIndices);
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(ibuffer);
var sdlIndexBuffer = (OpenGLIndexBuffer)ibuffer;
var sdlIndexBufferName = sdlIndexBuffer.OpenGLName;
this.ibuffer = sdlIndexBuffer;
if (IsUsingVertexArrayObject)
{
using (OpenGLState.ScopedBindVertexArrayObject(vao, 0, 0, true))
{
gl.BindBuffer(gl.GL_ELEMENT_ARRAY_BUFFER, sdlIndexBufferName);
gl.ThrowIfError();
}
}
this.glElementArrayBufferBinding = sdlIndexBufferName;
this.indexBufferElementType = ibuffer.IndexElementType;
}
/// <inheritdoc/>
public override void Attach(RenderBuffer2D buffer)
{
Contract.Require(buffer, nameof(buffer));
Contract.Ensure <ArgumentException>(
buffer.Width == width &&
buffer.Height == height, OpenGLStrings.RenderBufferIsWrongSize);
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(buffer);
var oglBuffer = (OpenGLRenderBuffer2D)buffer;
Ultraviolet.QueueWorkItem(state =>
{
using (OpenGLState.ScopedBindFramebuffer(framebuffer))
{
AttachRenderBuffer(oglBuffer);
framebufferStatus = gl.CheckNamedFramebufferStatus(framebuffer, gl.GL_FRAMEBUFFER);
gl.ThrowIfError();
}
}).Wait();
oglBuffer.MarkAttached();
buffers.Add(oglBuffer);
}
/// <inheritdoc/>
public override void Attach(VertexBuffer vbuffer)
{
Contract.Require(vbuffer, nameof(vbuffer));
Ultraviolet.ValidateResource(vbuffer);
AttachInternal(vbuffer, 0);
}
/// <inheritdoc/>
public override void Blit(Surface2D dst, Rectangle dstRect)
{
Contract.EnsureNotDisposed(this, Disposed);
Contract.Require(dst, nameof(dst));
Ultraviolet.ValidateResource(dst);
BlitInternal(this, new Rectangle(0, 0, Width, Height), (SDL2Surface2D)dst, dstRect);
}
/// <inheritdoc/>
public override void Blit(Rectangle srcRect, Surface2D dst, Rectangle dstRect)
{
Contract.EnsureNotDisposed(this, Disposed);
Contract.Require(dst, nameof(dst));
Ultraviolet.ValidateResource(dst);
BlitInternal(this, srcRect, (SDL2Surface2D)dst, dstRect);
}
/// <inheritdoc/>
public override void Blit(Surface2D dst, Point2 position, SurfaceFlipDirection direction)
{
Contract.EnsureNotDisposed(this, Disposed);
Contract.Require(dst, nameof(dst));
Ultraviolet.ValidateResource(dst);
BlitInternal(this, (SDL2Surface2D)dst, position, direction);
}
/// <summary>
/// Plays the specified song.
/// </summary>
private Boolean PlayInternal(Song song, Single volume, Single pitch, Single pan, TimeSpan?loopStart, TimeSpan?loopLength)
{
Ultraviolet.ValidateResource(song);
Stop();
stream = ((BASSSong)song).CreateStream(BASSNative.BASS_STREAM_DECODE);
stream = BASSFXNative.TempoCreate(stream, BASSNative.BASS_FX_FREESOURCE | BASSNative.BASS_STREAM_AUTOFREE);
if (!BASSUtil.IsValidHandle(stream))
{
throw new BASSException();
}
var autoloop = loopStart.HasValue && !loopLength.HasValue;
var syncloop = loopStart.HasValue && !autoloop;
BASSUtil.SetIsLooping(stream, autoloop);
BASSUtil.SetVolume(stream, MathUtil.Clamp(volume, 0f, 1f));
BASSUtil.SetPitch(stream, MathUtil.Clamp(pitch, -1f, 1f));
BASSUtil.SetPan(stream, MathUtil.Clamp(pan, -1f, 1f));
if (loopStart > TimeSpan.Zero && loopLength <= TimeSpan.Zero)
{
throw new ArgumentException(nameof(loopLength));
}
if (syncloop)
{
var loopStartInBytes = BASSNative.ChannelSeconds2Bytes(stream, loopStart.Value.TotalSeconds);
var loopEndInBytes = BASSNative.ChannelSeconds2Bytes(stream, (loopStart + loopLength).Value.TotalSeconds);
syncLoopDelegate = SyncLoop;
syncLoop = BASSNative.ChannelSetSync(stream, BASSSync.SYNC_POS, loopEndInBytes, syncLoopDelegate, new IntPtr((Int32)loopStartInBytes));
if (syncLoop == 0)
{
throw new BASSException();
}
}
syncEndDelegate = SyncEnd;
syncEnd = BASSNative.ChannelSetSync(stream, BASSSync.SYNC_END, 0, syncEndDelegate, IntPtr.Zero);
if (syncEnd == 0)
{
throw new BASSException();
}
if (!BASSNative.ChannelPlay(stream, true))
{
throw new BASSException();
}
OnStateChanged();
OnSongStarted();
return(true);
}
/// <inheritdoc/>
public override Boolean Play(SoundEffect soundEffect, Single volume, Single pitch, Single pan, Boolean loop = false)
{
Contract.EnsureNotDisposed(this, Disposed);
Contract.Require(soundEffect, nameof(soundEffect));
Ultraviolet.ValidateResource(soundEffect);
var sound = ((FMODSoundEffect)soundEffect).Sound;
var channelgroup = ((FMODSoundEffect)soundEffect).ChannelGroup;
return(channelPlayer.Play(sound, channelgroup, soundEffect.Duration, volume, pitch, pan, loop));
}
/// <inheritdoc/>
public override void Attach(VertexBuffer vbuffer, Int32 instanceFrequency)
{
Contract.Require(vbuffer, nameof(vbuffer));
Contract.EnsureRange(instanceFrequency >= 0, nameof(instanceFrequency));
Contract.EnsureNotDisposed(this, Disposed);
Contract.Ensure <NotSupportedException>(SupportsInstancedRendering || instanceFrequency == 0);
Ultraviolet.ValidateResource(vbuffer);
AttachInternal(vbuffer, instanceFrequency);
}
/// <inheritdoc/>
public void SetRasterizerState(RasterizerState state)
{
Contract.Require(state, nameof(state));
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(state);
if (this.rasterizerState != state)
{
this.rasterizerState = (OpenGLRasterizerState)state;
this.rasterizerState.Apply();
}
}
/// <inheritdoc/>
public void SetDepthStencilState(DepthStencilState state)
{
Contract.Require(state, nameof(state));
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(state);
if (this.depthStencilState != state)
{
this.depthStencilState = (OpenGLDepthStencilState)state;
this.depthStencilState.Apply();
}
}
/// <inheritdoc/>
public void SetTexture(Int32 sampler, Texture2D texture)
{
Contract.EnsureRange(sampler >= 0 && sampler < maxTextureStages, nameof(sampler));
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(texture);
if (texture != null && texture.BoundForWriting)
{
throw new InvalidOperationException(OpenGLStrings.RenderBufferCannotBeUsedAsTexture);
}
if (texture != null && texture.WillNotBeSampled)
{
throw new InvalidOperationException(OpenGLStrings.RenderBufferWillNotBeSampled);
}
if (this.textures[sampler] != texture)
{
var textureName = (texture == null) ? 0 : ((IOpenGLResource)texture).OpenGLName;
OpenGLState.ActiveTexture((uint)(gl.GL_TEXTURE0 + sampler));
OpenGLState.Texture2D(textureName);
if (this.textures[sampler] != null)
{
((IBindableResource)this.textures[sampler]).UnbindRead();
}
this.textures[sampler] = texture;
if (this.textures[sampler] != null)
{
((IBindableResource)this.textures[sampler]).BindRead();
}
if (!capabilities.SupportsIndependentSamplerState)
{
var samplerState = (OpenGLSamplerState)(GetSamplerState(sampler) ?? SamplerState.LinearClamp);
for (int i = 0; i < samplerStates.Length; i++)
{
if (this.textures[i] == texture)
{
samplerState.Apply(sampler);
}
}
}
}
}
/// <summary>
/// Plays a sound effect.
/// </summary>
private Boolean PlayInternal(SoundEffect soundEffect, Single volume, Single pitch, Single pan, Boolean loop = false)
{
Contract.EnsureNotDisposed(this, Disposed);
// Stop any sound that's already playing.
Stop();
// Retrieve the sample data from the sound effect.
Ultraviolet.ValidateResource(soundEffect);
var bassfx = (BASSSoundEffect)soundEffect;
var sample = bassfx.GetSampleData(out this.sampleData, out this.sampleInfo);
// Get a channel on which to play the sample.
channel = BASSNative.SampleGetChannel(sample, true);
if (!BASSUtil.IsValidHandle(channel))
{
var error = BASSNative.ErrorGetCode();
if (error == BASSNative.BASS_ERROR_NOCHAN)
{
return(false);
}
throw new BASSException(error);
}
// Set the channel's attributes.
if (pitch == 0)
{
BASSUtil.SetIsLooping(channel, loop);
BASSUtil.SetVolume(channel, MathUtil.Clamp(volume, 0f, 1f));
BASSUtil.SetPan(channel, MathUtil.Clamp(pan, -1f, 1f));
}
else
{
PromoteToStream(volume, MathUtil.Clamp(pitch, -1f, 1f), pan, loop);
}
// Play the channel.
if (!BASSNative.ChannelPlay(channel, true))
{
throw new BASSException();
}
this.playing = soundEffect;
return(true);
}
/// <inheritdoc/>
public override Boolean Play(Song song, Single volume, Single pitch, Single pan, TimeSpan loopStart, TimeSpan?loopLength)
{
Contract.EnsureNotDisposed(this, Disposed);
Contract.Require(song, nameof(song));
Ultraviolet.ValidateResource(song);
var sound = ((FMODSong)song).Sound;
var channelgroup = ((FMODSong)song).ChannelGroup;
if (channelPlayer.Play(sound, channelgroup, song.Duration, volume, pitch, pan, loopStart, loopLength))
{
OnStateChanged();
OnSongStarted();
return(true);
}
return(false);
}
/// <inheritdoc/>
public override Boolean Play(Song song, Boolean loop = false)
{
Contract.EnsureNotDisposed(this, Disposed);
Contract.Require(song, nameof(song));
Ultraviolet.ValidateResource(song);
var sound = ((FMODSong)song).Sound;
var channelgroup = ((FMODSong)song).ChannelGroup;
if (channelPlayer.Play(sound, channelgroup, song.Duration, loop))
{
OnStateChanged();
OnSongStarted();
return(true);
}
return(false);
}
/// <inheritdoc/>
public void SetSamplerState(Int32 sampler, SamplerState state)
{
Contract.EnsureRange(sampler >= 0 && sampler < maxTextureStages, nameof(sampler));
Contract.Require(state, nameof(state));
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(state);
var oglstate = (OpenGLSamplerState)state;
if (this.samplerStates[sampler] != state)
{
if (capabilities.SupportsIndependentSamplerState)
{
var samplerObject = this.samplerObjects[sampler];
samplerObject.ApplySamplerState(state);
this.samplerStates[sampler] = state;
}
else
{
this.samplerStates[sampler] = state;
var texture = this.textures[sampler];
if (texture != null)
{
var target = (texture is Texture3D) ? gl.GL_TEXTURE_3D : gl.GL_TEXTURE_2D;
oglstate.Apply(sampler, target);
for (int i = 0; i < samplerStates.Length; i++)
{
if (i == sampler)
{
continue;
}
if (this.textures[i] == texture && this.samplerStates[i] != oglstate)
{
oglstate.Apply(sampler, target);
this.samplerStates[sampler] = state;
}
}
}
}
}
}
/// <summary>
/// Initializes a new instance of the OpenGLShaderProgram class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="vertexShader">The program's vertex shader.</param>
/// <param name="fragmentShader">The program's fragment shader.</param>
/// <param name="programOwnsShaders">A value indicating whether the program owns the shader objects.</param>
public OpenGLShaderProgram(UltravioletContext uv, OpenGLVertexShader vertexShader, OpenGLFragmentShader fragmentShader, Boolean programOwnsShaders)
: base(uv)
{
Contract.Require(vertexShader, nameof(vertexShader));
Contract.Require(fragmentShader, nameof(fragmentShader));
Ultraviolet.ValidateResource(vertexShader);
Ultraviolet.ValidateResource(fragmentShader);
this.vertexShader = vertexShader;
this.fragmentShader = fragmentShader;
this.programOwnsShaders = programOwnsShaders;
var program = 0u;
uv.QueueWorkItemAndWait(() =>
{
program = gl.CreateProgram();
gl.ThrowIfError();
gl.AttachShader(program, vertexShader.OpenGLName);
gl.ThrowIfError();
gl.AttachShader(program, fragmentShader.OpenGLName);
gl.ThrowIfError();
gl.LinkProgram(program);
gl.ThrowIfError();
var log = gl.GetProgramInfoLog(program);
gl.ThrowIfError();
var status = gl.GetProgrami(program, gl.GL_LINK_STATUS);
gl.ThrowIfError();
if (status == 0)
{
throw new InvalidOperationException(log);
}
});
this.program = program;
this.uniforms = CreateUniformCollection();
}
/// <inheritdoc/>
public void SetGeometryStream(GeometryStream stream)
{
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(stream);
if (stream == null)
{
this.geometryStream = null;
OpenGLState.BindVertexArrayObject(0, 0);
}
else
{
if (this.geometryStream != stream)
{
this.geometryStream = (OpenGLGeometryStream)stream;
this.geometryStream.Apply();
}
}
}
/// <summary>
/// Appends another styling document to the end of this document.
/// </summary>
/// <param name="document">The document to append to the end of this document.</param>
public void Append(UvssDocument document)
{
Contract.Require(document, nameof(document));
Ultraviolet.ValidateResource(document);
this.ruleSets.AddRange(document.RuleSets);
this.storyboardDefinitions.AddRange(document.StoryboardDefinitions);
foreach (var storyboardDefinition in document.storyboardDefinitions)
{
this.storyboardDefinitionsByName[storyboardDefinition.Name] = storyboardDefinition;
}
foreach (var storyboardInstance in document.storyboardInstancesByName)
{
this.storyboardInstancesByName[storyboardInstance.Key] = storyboardInstance.Value;
}
CategorizeRuleSets();
}
/// <inheritdoc/>
public override void Attach(IndexBuffer ibuffer)
{
Contract.Require(ibuffer, nameof(ibuffer));
Contract.EnsureNot(HasIndices, UltravioletStrings.GeometryStreamAlreadyHasIndices);
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(ibuffer);
var oglIndexBuffer = (OpenGLIndexBuffer)ibuffer;
var oglIndexBufferName = oglIndexBuffer.OpenGLName;
this.ibuffer = oglIndexBuffer;
if (IsUsingVertexArrayObject)
{
using (OpenGLState.ScopedBindVertexArrayObject(vao, 0, force: true))
{
OpenGLState.BindElementArrayBuffer(oglIndexBufferName);
}
}
this.glElementArrayBufferBinding = oglIndexBufferName;
this.indexBufferElementType = ibuffer.IndexElementType;
}
/// <summary>
/// Initializes a new instance of the OpenGLShaderProgram class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="vertexShader">The program's vertex shader.</param>
/// <param name="fragmentShader">The program's fragment shader.</param>
/// <param name="programOwnsShaders">A value indicating whether the program owns the shader objects.</param>
public OpenGLShaderProgram(UltravioletContext uv, OpenGLVertexShader vertexShader, OpenGLFragmentShader fragmentShader, Boolean programOwnsShaders)
: base(uv)
{
Contract.Require(vertexShader, nameof(vertexShader));
Contract.Require(fragmentShader, nameof(fragmentShader));
Ultraviolet.ValidateResource(vertexShader);
Ultraviolet.ValidateResource(fragmentShader);
this.vertexShader = vertexShader;
this.fragmentShader = fragmentShader;
this.programOwnsShaders = programOwnsShaders;
var program = 0u;
uv.QueueWorkItemAndWait(() =>
{
program = gl.CreateProgram();
gl.ThrowIfError();
gl.AttachShader(program, vertexShader.OpenGLName);
gl.ThrowIfError();
gl.AttachShader(program, fragmentShader.OpenGLName);
gl.ThrowIfError();
gl.LinkProgram(program);
gl.ThrowIfError();
var log = gl.GetProgramInfoLog(program);
gl.ThrowIfError();
var status = gl.GetProgrami(program, gl.GL_LINK_STATUS);
gl.ThrowIfError();
var attributeCount = gl.GetProgrami(program, gl.GL_ACTIVE_ATTRIBUTES);
gl.ThrowIfError();
unsafe
{
var namebuf = Marshal.AllocHGlobal(256);
try
{
for (int i = 0; i < attributeCount; i++)
{
var attrNameLen = 0;
var attrName = default(String);
var attrSize = 0;
var attrType = 0u;
gl.GetActiveAttrib(program, (uint)i, 256, &attrNameLen, &attrSize, &attrType, (sbyte *)namebuf);
gl.ThrowIfError();
attrName = Marshal.PtrToStringAnsi(namebuf);
var location = gl.GetAttribLocation(program, attrName);
gl.ThrowIfError();
attributeLocations[attrName] = location;
attributeTypes[attrName] = attrType;
}
}
finally { Marshal.FreeHGlobal(namebuf); }
}
if (status == 0)
{
throw new InvalidOperationException(log);
}
});
this.program = program;
this.uniforms = CreateUniformCollection();
}
