public override void Initialize()
{
var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 4 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
{
new Vertex(-1f, -1f, 0f, 1f),
new Vertex(-1f, 1f, 0f, 0f),
new Vertex(1f, 1f, 1f, 0f),
new Vertex(1f, -1f, 1f, 1f),
});
var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 6 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[]
{
0, 1, 2, 0, 2, 3
});
vertexArray = Context.Create.VertexArray();
vertexArray.SetElementArrayBuffer(indexBuffer);
vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 0);
vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 16);
using (var textureLoader = new TextureLoader("../Textures/Chess256.png"))
{
diffuseMap = Context.Create.Texture2D(textureLoader.Width, textureLoader.Height, TextureHelper.CalculateMipCount(textureLoader.Width, textureLoader.Height, 1), Format.Srgb8Alpha8);
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);
var vsh = Context.Create.VertexShader(VertexShaderText);
var fsh = Context.Create.FragmentShader(FragmentShaderText);
program = Context.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] { vsh },
FragmentShaders = new[] { fsh },
VertexAttributeNames = new[] { "in_position", "in_tex_coord" },
SamplerNames = new[] { "DiffuseMap" }
});
}
public override void Initialize()
{
var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 4 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
{
new Vertex(-1f, -1f, 0f, 1f),
new Vertex(-1f, 1f, 0f, 0f),
new Vertex(1f, 1f, 1f, 0f),
new Vertex(1f, -1f, 1f, 1f),
});
var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 6 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[]
{
0, 1, 2, 0, 2, 3
});
vertexArray = Context.Create.VertexArray();
vertexArray.SetElementArrayBuffer(indexBuffer);
vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 0);
vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 16);
pixelUnpackBuffer = Context.Create.Buffer(BufferTarget.PixelUnpack, 1024 * 1024 * 4, BufferUsageHint.StreamDraw);
data = Enumerable.Range(0, 1024 * 1024 * 4 * 2).Select(x => (byte)(128.0 + 128.0 * Math.Sin((2.0 / 3.0) * Math.PI * (x % 4) + (double)x / 4 / 11111))).ToArray();
diffuseMap = Context.Create.Texture2D(640, 360, 1, Format.Rgba8);
sampler = Context.Create.Sampler();
sampler.SetMagFilter(TextureMagFilter.Nearest);
sampler.SetMinFilter(TextureMinFilter.Nearest);
sampler.SetMaxAnisotropy(16f);
var vsh = Context.Create.VertexShader(VertexShaderText);
var fsh = Context.Create.FragmentShader(FragmentShaderText);
program = Context.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] { vsh },
FragmentShaders = new[] { fsh },
VertexAttributeNames = new[] { "in_position", "in_tex_coord" },
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"}
});
}
public override void Initialize()
{
var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 4 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
{
new Vertex(-1f, -1f, 0f, 1f),
new Vertex(-1f, 1f, 0f, 0f),
new Vertex(1f, 1f, 1f, 0f),
new Vertex(1f, -1f, 1f, 1f),
});
var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 6 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[]
{
0, 1, 2, 0, 2, 3
});
vertexArray = Context.Create.VertexArray();
vertexArray.SetElementArrayBuffer(indexBuffer);
vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 0);
vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 16);
using (var textureLoader = new TextureLoader("../Textures/Chess256.png"))
{
diffuseMap = Context.Create.Texture2D(textureLoader.Width, textureLoader.Height, TextureHelper.CalculateMipCount(textureLoader.Width, textureLoader.Height, 1), Format.Srgb8Alpha8);
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);
var vsh = Context.Create.VertexShader(VertexShaderText);
var fsh = Context.Create.FragmentShader(FragmentShaderText);
program = Context.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] {vsh},
FragmentShaders = new[] {fsh},
VertexAttributeNames = new[] {"in_position", "in_tex_coord"},
SamplerNames = new[] {"DiffuseMap"}
});
}
public unsafe SkyboxDrawer(IContext glContext)
{
this.glContext = glContext;
sampler = glContext.Create.Sampler();
sampler.SetMagFilter(TextureMagFilter.Linear);
sampler.SetMinFilter(TextureMinFilter.LinearMipmapLinear);
sampler.SetWrapR(TextureWrapMode.Clamp);
sampler.SetWrapS(TextureWrapMode.Clamp);
sampler.SetWrapT(TextureWrapMode.Clamp);
sampler.SetMaxAnisotropy(16f);
#region Shader Text
const string vertexShaderText =
@"#version 150
layout(std140) uniform Camera
{
mat4 ViewProjection;
};
in vec3 in_position;
out vec3 v_tex_coord;
void main()
{
vec4 worldPosition = vec4(in_position, 1.0f);
gl_Position = worldPosition * ViewProjection;
gl_Position.y = -gl_Position.y;
gl_Position.z = 2.0 * gl_Position.z - gl_Position.w;
v_tex_coord = vec3(-worldPosition.x, worldPosition.y, worldPosition.z);
}
";
const string fragmentShaderText =
@"#version 150
uniform samplerCube Texture;
in vec3 v_tex_coord;
out vec4 out_color;
void main()
{
out_color = texture(Texture, v_tex_coord);
}
";
#endregion
var vs = glContext.Create.VertexShader(vertexShaderText);
var fs = glContext.Create.FragmentShader(fragmentShaderText);
shaderProgram = glContext.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] { vs },
FragmentShaders = new[] { fs },
VertexAttributeNames = new[] { "in_position" },
UniformBufferNames = new[] { "Camera" },
SamplerNames = new[] { "Texture" }
});
var vertices = new[]
{
new Vector4(-10, -10, -1, 1),
new Vector4(-10, 10, -1, 1),
new Vector4(10, 10, -1, 1),
new Vector4(10, -10, -1, 1),
new Vector4(-10, -10, 1, 1),
new Vector4(-10, 10, 1, 1),
new Vector4(10, 10, 1, 1),
new Vector4(10, -10, 1, 1),
};
var indices = new[]
{
0, 1, 2, 0, 2, 3,
4, 5, 6, 4, 6, 7,
0, 4, 7, 0, 7, 3,
0, 4, 5, 0, 5, 1,
1, 5, 6, 1, 6, 2,
3, 7, 6, 3, 6, 2
};
IBuffer vertexBuffer;
fixed(Vector4 *data = vertices)
vertexBuffer = glContext.Create.Buffer(BufferTarget.Array, 4 * sizeof(float) * vertices.Length, BufferUsageHint.StaticDraw, (IntPtr)data);
IBuffer indexBuffer;
fixed(int *data = indices)
indexBuffer = glContext.Create.Buffer(BufferTarget.ElementArray, sizeof(int) * indices.Length, BufferUsageHint.StaticDraw, (IntPtr)data);
vao = glContext.Create.VertexArray();
vao.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, 4 * sizeof(float), 0);
vao.SetElementArrayBuffer(indexBuffer);
cameraUb = new UniformBufferSugar <Matrix4x4>(glContext);
}
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()
{
var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 4 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
{
new Vertex(-1f, -1f, 0f, 1f),
new Vertex(-1f, 1f, 0f, 0f),
new Vertex(1f, 1f, 1f, 0f),
new Vertex(1f, -1f, 1f, 1f),
});
var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 6 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[]
{
0, 1, 2, 0, 2, 3
});
vertexArray = Context.Create.VertexArray();
vertexArray.SetElementArrayBuffer(indexBuffer);
vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 0);
vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 16);
pixelUnpackBuffer = Context.Create.Buffer(BufferTarget.PixelUnpack, 1024 * 1024 * 4, BufferUsageHint.StreamDraw);
data = Enumerable.Range(0, 1024 * 1024 * 4 * 2).Select(x => (byte)(128.0 + 128.0 * Math.Sin((2.0 / 3.0) * Math.PI * (x % 4) + (double)x / 4 / 11111))).ToArray();
diffuseMap = Context.Create.Texture2D(640, 360, 1, Format.Rgba8);
sampler = Context.Create.Sampler();
sampler.SetMagFilter(TextureMagFilter.Nearest);
sampler.SetMinFilter(TextureMinFilter.Nearest);
sampler.SetMaxAnisotropy(16f);
var vsh = Context.Create.VertexShader(VertexShaderText);
var fsh = Context.Create.FragmentShader(FragmentShaderText);
program = Context.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] {vsh},
FragmentShaders = new[] {fsh},
VertexAttributeNames = new[] {"in_position", "in_tex_coord"},
SamplerNames = new[] {"DiffuseMap"}
});
}
