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Fix for current framebuffer issues (#78)

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[GPU] Fix some of the current framebuffer issues
This commit is contained in:
gdkchan 2018-04-13 15:12:58 -03:00 • committed by GitHub
parent 262b5b8054
commit c8c86a3854
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 482 additions and 891 deletions
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207
Ryujinx.Graphics/Gal/OpenGL/OGLFrameBuffer.cs
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@ -1,16 +1,30 @@
using OpenTK;
using OpenTK.Graphics.OpenGL;
using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Gal.OpenGL
{
class OGLFrameBuffer
{
private struct FrameBuffer
private class FrameBuffer
{
public int FbHandle;
public int RbHandle;
public int TexHandle;
public int Width { get; set; }
public int Height { get; set; }
public int Handle { get; private set; }
public int RbHandle { get; private set; }
public int TexHandle { get; private set; }
public FrameBuffer(int Width, int Height)
{
this.Width = Width;
this.Height = Height;
Handle = GL.GenFramebuffer();
RbHandle = GL.GenRenderbuffer();
TexHandle = GL.GenTexture();
}
}
private struct ShaderProgram
@ -20,83 +34,175 @@ namespace Ryujinx.Graphics.Gal.OpenGL
public int FpHandle;
}
private FrameBuffer[] Fbs;
private Dictionary<long, FrameBuffer> Fbs;
private ShaderProgram Shader;
private bool IsInitialized;
private int RawFbTexWidth;
private int RawFbTexHeight;
private int RawFbTexHandle;
private int CurrFbHandle;
private int CurrTexHandle;
private int VaoHandle;
private int VboHandle;
public OGLFrameBuffer()
{
Fbs = new FrameBuffer[16];
Fbs = new Dictionary<long, FrameBuffer>();
Shader = new ShaderProgram();
}
public void Set(int Index, int Width, int Height)
public void Create(long Tag, int Width, int Height)
{
if (Fbs[Index].FbHandle != 0)
if (Fbs.TryGetValue(Tag, out FrameBuffer Fb))
{
if (Fb.Width != Width ||
Fb.Height != Height)
{
SetupTexture(Fb.TexHandle, Width, Height);
Fb.Width = Width;
Fb.Height = Height;
}
return;
}
Fbs[Index].FbHandle = GL.GenFramebuffer();
Fbs[Index].RbHandle = GL.GenRenderbuffer();
Fbs[Index].TexHandle = GL.GenTexture();
Fb = new FrameBuffer(Width, Height);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, Fbs[Index].FbHandle);
SetupTexture(Fb.TexHandle, Width, Height);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, Fbs[Index].RbHandle);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, Fb.Handle);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferStorage.Depth24Stencil8, 1280, 720);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, Fb.RbHandle);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthStencilAttachment, RenderbufferTarget.Renderbuffer, Fbs[Index].RbHandle);
GL.RenderbufferStorage(
RenderbufferTarget.Renderbuffer,
RenderbufferStorage.Depth24Stencil8,
Width,
Height);
GL.BindTexture(TextureTarget.Texture2D, Fbs[Index].TexHandle);
GL.FramebufferRenderbuffer(
FramebufferTarget.Framebuffer,
FramebufferAttachment.DepthStencilAttachment,
RenderbufferTarget.Renderbuffer,
Fb.RbHandle);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, 1280, 720, 0, PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, Fbs[Index].TexHandle, 0);
GL.FramebufferTexture(
FramebufferTarget.Framebuffer,
FramebufferAttachment.ColorAttachment0,
Fb.TexHandle,
0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
Fbs.Add(Tag, Fb);
}
public void Bind(int Index)
public void Bind(long Tag)
{
if (Fbs[Index].FbHandle == 0)
if (Fbs.TryGetValue(Tag, out FrameBuffer Fb))
{
return;
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, Fb.Handle);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, Fbs[Index].FbHandle);
CurrFbHandle = Fb.Handle;
}
}
public void Draw(int Index)
public void BindTexture(long Tag, int Index)
{
if (Fbs[Index].FbHandle == 0)
if (Fbs.TryGetValue(Tag, out FrameBuffer Fb))
{
return;
GL.ActiveTexture(TextureUnit.Texture0 + Index);
GL.BindTexture(TextureTarget.Texture2D, Fb.TexHandle);
}
}
public void Set(long Tag)
{
if (Fbs.TryGetValue(Tag, out FrameBuffer Fb))
{
CurrTexHandle = Fb.TexHandle;
}
}
public void Set(byte[] Data, int Width, int Height)
{
if (RawFbTexHandle == 0)
{
RawFbTexHandle = GL.GenTexture();
}
EnsureInitialized();
if (RawFbTexWidth != Width ||
RawFbTexHeight != Height)
{
SetupTexture(RawFbTexHandle, Width, Height);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.BindTexture(TextureTarget.Texture2D, Fbs[Index].TexHandle);
RawFbTexWidth = Width;
RawFbTexHeight = Height;
}
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindVertexArray(VaoHandle);
GL.BindTexture(TextureTarget.Texture2D, RawFbTexHandle);
(PixelFormat Format, PixelType Type) = OGLEnumConverter.GetTextureFormat(GalTextureFormat.A8B8G8R8);
GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, Width, Height, Format, Type, Data);
CurrTexHandle = RawFbTexHandle;
}
public void SetTransform(Matrix2 Transform, Vector2 Offs)
{
EnsureInitialized();
int CurrentProgram = GL.GetInteger(GetPName.CurrentProgram);
GL.UseProgram(Shader.Handle);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, 4);
int TransformUniformLocation = GL.GetUniformLocation(Shader.Handle, "transform");
GL.UniformMatrix2(TransformUniformLocation, false, ref Transform);
int OffsetUniformLocation = GL.GetUniformLocation(Shader.Handle, "offset");
GL.Uniform2(OffsetUniformLocation, ref Offs);
GL.UseProgram(CurrentProgram);
}
public void Render()
{
if (CurrTexHandle != 0)
{
EnsureInitialized();
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, CurrTexHandle);
int CurrentProgram = GL.GetInteger(GetPName.CurrentProgram);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.BindVertexArray(VaoHandle);
GL.UseProgram(Shader.Handle);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, 4);
//Restore the original state.
GL.BindFramebuffer(FramebufferTarget.Framebuffer, CurrFbHandle);
GL.UseProgram(CurrentProgram);
}
}
private void EnsureInitialized()
@ -130,7 +236,7 @@ namespace Ryujinx.Graphics.Gal.OpenGL
GL.LinkProgram(Shader.Handle);
GL.UseProgram(Shader.Handle);
Matrix2 Transform = Matrix2.CreateScale(1, -1);
Matrix2 Transform = Matrix2.Identity;
int TexUniformLocation = GL.GetUniformLocation(Shader.Handle, "tex");
@ -178,5 +284,32 @@ namespace Ryujinx.Graphics.Gal.OpenGL
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, 16, 8);
}
private void SetupTexture(int Handle, int Width, int Height)
{
GL.BindTexture(TextureTarget.Texture2D, Handle);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
(PixelFormat Format, PixelType Type) = OGLEnumConverter.GetTextureFormat(GalTextureFormat.A8B8G8R8);
const PixelInternalFormat InternalFmt = PixelInternalFormat.Rgba;
const int Level = 0;
const int Border = 0;
GL.TexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Width,
Height,
Border,
Format,
Type,
IntPtr.Zero);
}
}
}