public void RenderToTexture(ITexture2D glTexture, IReadOnlyList <IViewport> viewports, float timestamp)
{
rttFramebuffer.AttachTextureImage(FramebufferAttachmentPoint.Color0, glTexture, 0);
foreach (var viewport in viewports)
{
var offScreen = offScreenContainer.Get(this, viewport, viewport.Width, viewport.Height, MsaaCount, OffscreenTtl);
for (var i = 0; i < viewport.View.Layers.Count; i++)
{
var layer = viewport.View.Layers[i];
var isFirstLayer = i == 0;
var isLastLayer = i == viewport.View.Layers.Count - 1;
var sceneRendererSettings = GetSceneRendererSettings(isFirstLayer, true, isLastLayer);
var sceneRenderer = sceneRendererPool.Allocate(sceneRendererSettings);
sceneRenderer.Execute(layer.VisibleScene, layer.Camera, offScreen, timestamp, sceneRendererSettings);
sceneRendererPool.Return(sceneRenderer);
}
glContext.Actions.BlitFramebuffer(offScreen.Framebuffer, rttFramebuffer,
0, 0,
viewport.Width, viewport.Height,
viewport.Left, glTexture.Height - viewport.Top,
viewport.Left + viewport.Width, glTexture.Height - (viewport.Top + viewport.Height),
ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Nearest);
}
glTexture.GenerateMipmap();
}
public void Resolve()
{
resolveFramebuffer.AttachTextureImage(FramebufferAttachmentPoint.Color0, ResolvedTex, 0);
infra.GlContext.Actions.BlitFramebuffer(Framebuffer, resolveFramebuffer,
0, 0, Width, Height,
0, 0, Width, Height,
ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Nearest);
resolveFramebuffer.Detach(FramebufferAttachmentPoint.Color0);
ResolvedTex.GenerateMipmap();
}
public override void Initialize()
{
renderTarget = Context.Create.Texture2D(RenderTargetSize, RenderTargetSize, TextureHelper.CalculateMipCount(RenderTargetSize, 1, 1), Format.Rgba8);
depthStencil = Context.Create.Renderbuffer(RenderTargetSize, RenderTargetSize, Format.Depth24Stencil8);
framebuffer = Context.Create.Framebuffer();
framebuffer.AttachTextureImage(FramebufferAttachmentPoint.Color0, renderTarget, 0);
framebuffer.AttachRenderbuffer(FramebufferAttachmentPoint.DepthStencil, depthStencil);
var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 24 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
{
new Vertex(1f, -1f, 1f, 1f, 0f, 0f, 0f, 0f),
new Vertex(1f, 1f, 1f, 1f, 0f, 0f, 1f, 0f),
new Vertex(1f, 1f, -1f, 1f, 0f, 0f, 1f, 1f),
new Vertex(1f, -1f, -1f, 1f, 0f, 0f, 0f, 1f),
new Vertex(1f, 1f, 1f, 0f, 1f, 0f, 0f, 0f),
new Vertex(-1f, 1f, 1f, 0f, 1f, 0f, 1f, 0f),
new Vertex(-1f, 1f, -1f, 0f, 1f, 0f, 1f, 1f),
new Vertex(1f, 1f, -1f, 0f, 1f, 0f, 0f, 1f),
new Vertex(-1f, 1f, 1f, -1f, 0f, 0f, 0f, 0f),
new Vertex(-1f, -1f, 1f, -1f, 0f, 0f, 1f, 0f),
new Vertex(-1f, -1f, -1f, -1f, 0f, 0f, 1f, 1f),
new Vertex(-1f, 1f, -1f, -1f, 0f, 0f, 0f, 1f),
new Vertex(-1f, -1f, 1f, 0f, -1f, 0f, 0f, 0f),
new Vertex(1f, -1f, 1f, 0f, -1f, 0f, 1f, 0f),
new Vertex(1f, -1f, -1f, 0f, -1f, 0f, 1f, 1f),
new Vertex(-1f, -1f, -1f, 0f, -1f, 0f, 0f, 1f),
new Vertex(-1f, -1f, 1f, 0f, 0f, 1f, 0f, 0f),
new Vertex(-1f, 1f, 1f, 0f, 0f, 1f, 1f, 0f),
new Vertex(1f, 1f, 1f, 0f, 0f, 1f, 1f, 1f),
new Vertex(1f, -1f, 1f, 0f, 0f, 1f, 0f, 1f),
new Vertex(-1f, 1f, -1f, 0f, 0f, -1f, 0f, 0f),
new Vertex(-1f, -1f, -1f, 0f, 0f, -1f, 1f, 0f),
new Vertex(1f, -1f, -1f, 0f, 0f, -1f, 1f, 1f),
new Vertex(1f, 1f, -1f, 0f, 0f, -1f, 0f, 1f)
});
var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 36 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[]
{
0, 1, 2, 0, 2, 3,
4, 5, 6, 4, 6, 7,
8, 9, 10, 8, 10, 11,
12, 13, 14, 12, 14, 15,
16, 17, 18, 16, 18, 19,
20, 21, 22, 20, 22, 23
});
vertexArray = Context.Create.VertexArray();
vertexArray.SetElementArrayBuffer(indexBuffer);
vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, 32, 0);
vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, 32, 12);
vertexArray.SetVertexAttributeF(2, vertexBuffer, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, 32, 24);
transformBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
cameraBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
#if INTEL_WORKAROUND
cameraOutsideBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
#endif
cameraExtraBuffer = Context.Create.Buffer(BufferTarget.Uniform, 12, BufferUsageHint.DynamicDraw);
lightBuffer = Context.Create.Buffer(BufferTarget.Uniform, 12, BufferUsageHint.DynamicDraw);
using (var textureLoader = new TextureLoader("../Textures/DiffuseTest.png"))
{
diffuseMap = Context.Create.Texture2D(textureLoader.Width, textureLoader.Height, TextureHelper.CalculateMipCount(textureLoader.Width, textureLoader.Height, 1), Format.Rgba8);
for (int i = 0; i < diffuseMap.MipCount; i++)
diffuseMap.SetData(i, textureLoader.GetMipData(i), FormatColor.Rgba, FormatType.UnsignedByte);
}
sampler = Context.Create.Sampler();
sampler.SetMagFilter(TextureMagFilter.Linear);
sampler.SetMinFilter(TextureMinFilter.LinearMipmapLinear);
sampler.SetMaxAnisotropy(16f);
IVertexShader vsh = Context.Create.VertexShader(VertexShaderText);
IFragmentShader fsh = Context.Create.FragmentShader(FragmentShaderText);
program = Context.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] {vsh},
FragmentShaders = new[] {fsh},
VertexAttributeNames = new[] {"in_position", "in_normal", "in_tex_coord"},
UniformBufferNames = new[] {"Transform", "Camera", "Light"},
SamplerNames = new[] {"DiffuseMap"}
});
}
public override void Initialize()
{
renderTarget = Context.Create.Texture2D(RenderTargetSize, RenderTargetSize, TextureHelper.CalculateMipCount(RenderTargetSize, 1, 1), Format.Rgba8);
depthStencil = Context.Create.Renderbuffer(RenderTargetSize, RenderTargetSize, Format.Depth24Stencil8);
framebuffer = Context.Create.Framebuffer();
framebuffer.AttachTextureImage(FramebufferAttachmentPoint.Color0, renderTarget, 0);
framebuffer.AttachRenderbuffer(FramebufferAttachmentPoint.DepthStencil, depthStencil);
var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 24 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
{
new Vertex(1f, -1f, 1f, 1f, 0f, 0f, 0f, 0f),
new Vertex(1f, 1f, 1f, 1f, 0f, 0f, 1f, 0f),
new Vertex(1f, 1f, -1f, 1f, 0f, 0f, 1f, 1f),
new Vertex(1f, -1f, -1f, 1f, 0f, 0f, 0f, 1f),
new Vertex(1f, 1f, 1f, 0f, 1f, 0f, 0f, 0f),
new Vertex(-1f, 1f, 1f, 0f, 1f, 0f, 1f, 0f),
new Vertex(-1f, 1f, -1f, 0f, 1f, 0f, 1f, 1f),
new Vertex(1f, 1f, -1f, 0f, 1f, 0f, 0f, 1f),
new Vertex(-1f, 1f, 1f, -1f, 0f, 0f, 0f, 0f),
new Vertex(-1f, -1f, 1f, -1f, 0f, 0f, 1f, 0f),
new Vertex(-1f, -1f, -1f, -1f, 0f, 0f, 1f, 1f),
new Vertex(-1f, 1f, -1f, -1f, 0f, 0f, 0f, 1f),
new Vertex(-1f, -1f, 1f, 0f, -1f, 0f, 0f, 0f),
new Vertex(1f, -1f, 1f, 0f, -1f, 0f, 1f, 0f),
new Vertex(1f, -1f, -1f, 0f, -1f, 0f, 1f, 1f),
new Vertex(-1f, -1f, -1f, 0f, -1f, 0f, 0f, 1f),
new Vertex(-1f, -1f, 1f, 0f, 0f, 1f, 0f, 0f),
new Vertex(-1f, 1f, 1f, 0f, 0f, 1f, 1f, 0f),
new Vertex(1f, 1f, 1f, 0f, 0f, 1f, 1f, 1f),
new Vertex(1f, -1f, 1f, 0f, 0f, 1f, 0f, 1f),
new Vertex(-1f, 1f, -1f, 0f, 0f, -1f, 0f, 0f),
new Vertex(-1f, -1f, -1f, 0f, 0f, -1f, 1f, 0f),
new Vertex(1f, -1f, -1f, 0f, 0f, -1f, 1f, 1f),
new Vertex(1f, 1f, -1f, 0f, 0f, -1f, 0f, 1f)
});
var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 36 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[]
{
0, 1, 2, 0, 2, 3,
4, 5, 6, 4, 6, 7,
8, 9, 10, 8, 10, 11,
12, 13, 14, 12, 14, 15,
16, 17, 18, 16, 18, 19,
20, 21, 22, 20, 22, 23
});
vertexArray = Context.Create.VertexArray();
vertexArray.SetElementArrayBuffer(indexBuffer);
vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, 32, 0);
vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, 32, 12);
vertexArray.SetVertexAttributeF(2, vertexBuffer, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, 32, 24);
transformBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
cameraBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
#if INTEL_WORKAROUND
cameraOutsideBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
#endif
cameraExtraBuffer = Context.Create.Buffer(BufferTarget.Uniform, 12, BufferUsageHint.DynamicDraw);
lightBuffer = Context.Create.Buffer(BufferTarget.Uniform, 12, BufferUsageHint.DynamicDraw);
using (var textureLoader = new TextureLoader("../Textures/DiffuseTest.png"))
{
diffuseMap = Context.Create.Texture2D(textureLoader.Width, textureLoader.Height, TextureHelper.CalculateMipCount(textureLoader.Width, textureLoader.Height, 1), Format.Rgba8);
for (int i = 0; i < diffuseMap.MipCount; i++)
{
diffuseMap.SetData(i, textureLoader.GetMipData(i), FormatColor.Rgba, FormatType.UnsignedByte);
}
}
sampler = Context.Create.Sampler();
sampler.SetMagFilter(TextureMagFilter.Linear);
sampler.SetMinFilter(TextureMinFilter.LinearMipmapLinear);
sampler.SetMaxAnisotropy(16f);
IVertexShader vsh = Context.Create.VertexShader(VertexShaderText);
IFragmentShader fsh = Context.Create.FragmentShader(FragmentShaderText);
program = Context.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] { vsh },
FragmentShaders = new[] { fsh },
VertexAttributeNames = new[] { "in_position", "in_normal", "in_tex_coord" },
UniformBufferNames = new[] { "Transform", "Camera", "Light" },
SamplerNames = new[] { "DiffuseMap" }
});
}