146 lines
5.2 KiB
C#
146 lines
5.2 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="glRenderStream.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using StgSharp.Logic;
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using StgSharp.Math;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace StgSharp.Graphics.OpenGL
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{
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public abstract partial class glRenderStream : RenderStream
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{
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private GlFunction _context;
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internal protected GlFunction GL
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{
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get { return _context; }
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}
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/// <summary>
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/// Initialize an OpenGl viewPortDisplay if current form has not been binded to any viewPortDisplay.
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/// and set the viewPortDisplay binded to current form as current OpenGL viewPortDisplay.
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/// </summary>
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/// <exception cref="Exception">
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/// Something goes wrong and StgSharp fails in creating a new OpenGL viewPortDisplay.
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/// </exception>
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public unsafe void MakeAsCurrentContext()
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{
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if (ContextHandle == default)
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{
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ContextHandle = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(OpenglContext)));
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OpenglContext* contextID = (OpenglContext*)ContextHandle;
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contextID->glGetString = (delegate*<uint, IntPtr>)IntPtr.Zero;
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}
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if (GL == null)
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{
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_context = GlFunction.BuildGlFunctionPackage(ContextHandle);
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}
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if (GlFunction.CurrentGL != GL)
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{
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GlFunction.CurrentGL = GL;
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InternalIO.glfwMakeContextCurrent(CanvasHandle);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public override void SetSizeLimit(int minWidth, int minHeight, int maxWidth, int maxHeight)
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{
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InternalIO.glfwSetWindowSizeLimits(this.CanvasHandle, minWidth, minHeight, maxWidth, maxHeight);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal override sealed void Draw()
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{
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MakeAsCurrentContext();
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Main();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal override sealed void PlatformSpecifiedInitialize()
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{
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MakeAsCurrentContext();
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glManager.LoadOpenGLApiTo(Port.GraphicHandle);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal override sealed void Terminate()
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{
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CustomizeDeinit();
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}
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protected override sealed Uniform<Matrix44> NativeCameraUniform(ShaderProgram source, string name)
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{
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NativeCamera.GainAllUniforms(source, name);
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return NativeCamera.convertedUniform;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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protected override sealed void NativeCameraViewRange(Radius fieldOfRange, vec2d offset, (float frontDepth, float backDepth) viewDepth)
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{
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NativeCamera.SetViewRange(fieldOfRange, this.Size, offset, viewDepth);
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}
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protected override sealed void NativeCameraViewTarget(vec3d position, vec3d direction, vec3d up)
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{
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NativeCamera.SetViewDirection(position, direction, up);
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}
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#region Key Control
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protected KeyStatus CheckKey(KeyboardKey key)
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{
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return InternalIO.glfwGetKey(this.CanvasHandle, (int)key);
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}
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protected KeyStatus CheckKey(Mouse key)
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{
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return InternalIO.glfwGetKey(this.CanvasHandle, (int)key);
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}
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protected KeyStatus CheckKey(Joystick key)
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{
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return InternalIO.glfwGetKey(this.CanvasHandle, (int)key);
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}
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#endregion
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}
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}
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