public CommonObjects(IContext glContext, IShaderProgramFactory shaderProgramFactory)
{
StandardShaderProgram = shaderProgramFactory.CreateDefault();
TransformUb = new UniformBufferSugar <TransformUniform>(glContext);
CameraUb = new UniformBufferSugar <Matrix4x4>(glContext);
CameraExtraUb = new UniformBufferSugar <Vector3>(glContext);
LightUb = new UniformBufferSugar <Vector3>(glContext);
MaterialUb = new UniformBufferSugar <MaterialUniform>(glContext);
GlobalUb = new UniformBufferSugar <GlobalUniform>(glContext);
UndefinedMaterial = CreateUndefinedMaterial();
}
public unsafe BleedDrawer(IContext glContext)
{
this.glContext = glContext;
#region Shader Text
const string vertexShaderText =
@"#version 150
in vec2 in_position;
in vec2 in_tex_coord;
out vec2 v_tex_coord;
void main()
{
gl_Position = vec4(in_position, 0, 1);
v_tex_coord = in_tex_coord;
}
";
const string fragmentShaderText =
@"#version 150
uniform sampler2D DiffuseMap;
layout(std140) uniform Params
{
vec4 Color;
};
in vec2 v_tex_coord;
out vec4 out_color;
void main()
{
ivec2 coord = ivec2(gl_FragCoord);
float accumulator = 0;
for (int i = -4; i <= 4; i++)
for (int j = -4; j <= 4; j++)
{
vec4 col = texelFetch(DiffuseMap, coord + ivec2(i, j), 0);
accumulator += col.r + col.g + col.b;
}
float s = step(0.1, accumulator);
out_color = s * Color;
}
";
#endregion
var vs = glContext.Create.VertexShader(vertexShaderText);
var fs = glContext.Create.FragmentShader(fragmentShaderText);
program = glContext.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] { vs },
FragmentShaders = new[] { fs },
VertexAttributeNames = new[] { "in_position" },
UniformBufferNames = new [] { "Params" },
SamplerNames = new [] { "DiffuseMap" },
});
var vertices = new[]
{
new Vector4(-1, -1, 0, 0),
new Vector4(-1, 1, 0, 1),
new Vector4(1, -1, 1, 0),
new Vector4(1, 1, 1, 1),
};
IBuffer vertexBuffer;
fixed(Vector4 *data = vertices)
vertexBuffer = glContext.Create.Buffer(BufferTarget.Array, 4 * sizeof(float) * vertices.Length, BufferUsageHint.StaticDraw, (IntPtr)data);
vao = glContext.Create.VertexArray();
vao.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, 4 * sizeof(float), 0);
//vao.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, 4 * sizeof(float), 2 * sizeof(float));
paramsUb = new UniformBufferSugar <Color4>(glContext);
}
public unsafe VeilDrawer(IContext glContext)
{
this.glContext = glContext;
#region Shader Text
const string vertexShaderText =
@"#version 150
in vec4 in_position;
void main()
{
gl_Position = in_position;
}
";
const string fragmentShaderText =
@"#version 150
layout(std140) uniform ColorUb
{
vec4 Color;
};
out vec4 out_color;
void main()
{
out_color = Color;
}
";
#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[] { "ColorUb" },
});
var vertices = new[]
{
new Vector4(-1, -1, 0, 1),
new Vector4(-1, 1, 0, 1),
new Vector4(1, -1, 0, 1),
new Vector4(1, 1, 0, 1),
};
IBuffer vertexBuffer;
fixed(Vector4 *data = vertices)
vertexBuffer = glContext.Create.Buffer(BufferTarget.Array, 4 * sizeof(float) * vertices.Length, BufferUsageHint.StaticDraw, (IntPtr)data);
vao = glContext.Create.VertexArray();
vao.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 4 * sizeof(float), 0);
colorUb = new UniformBufferSugar <Color4>(glContext);
}
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 unsafe BlurDrawer(IContext glContext)
{
this.glContext = glContext;
#region Shader Text
const string vertexShaderText =
@"#version 150
in vec2 in_position;
in vec2 in_tex_coord;
out vec2 v_tex_coord;
void main()
{
gl_Position = vec4(in_position, 0, 1);
v_tex_coord = in_tex_coord;
}
";
const string fragmentShaderText =
@"#version 150
uniform sampler2D DiffuseMap;
layout(std140) uniform Params
{
int OffsetX;
int OffsetY;
int Width;
int Height;
};
in vec2 v_tex_coord;
out vec4 out_color;
void main()
{
ivec2 coord = ivec2(gl_FragCoord);
//vec4 color = vec4(0, 0, 0, 0);
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(-1, -1), 2) / 16;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(-1, 0), 2) / 8;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(-1, 1), 2) / 16;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(0, -1), 2) / 8;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(0, 0), 2) / 4;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(0, 1), 2) / 8;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(1, -1), 2) / 16;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(1, 0), 2) / 8;
//color += texelFetch(DiffuseMap, coord / 4 + ivec2(1, 1), 2) / 16;
//out_color = color;
//out_color = vec4(1, 0, 1, 1);
//out_color = texture(DiffuseMap, vec2(gl_FragCoord.x / 500, gl_FragCoord.y / 500));// vec4(gl_FragCoord.x / 500, gl_FragCoord.y / 500, 0, 1);
out_color = texture(DiffuseMap, vec2((gl_FragCoord.x + OffsetX) / Width, (gl_FragCoord.y + OffsetY) / Height), 4);
}
";
#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 [] { "Params" },
SamplerNames = new [] { "DiffuseMap" },
});
var vertices = new[]
{
new Vector4(-1, -1, 0, 0),
new Vector4(-1, 1, 0, 1),
new Vector4(1, -1, 1, 0),
new Vector4(1, 1, 1, 1),
};
IBuffer vertexBuffer;
fixed(Vector4 *data = vertices)
vertexBuffer = glContext.Create.Buffer(BufferTarget.Array, 4 * sizeof(float) * vertices.Length, BufferUsageHint.StaticDraw, (IntPtr)data);
vao = glContext.Create.VertexArray();
vao.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, 4 * sizeof(float), 0);
//vao.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, 4 * sizeof(float), 2 * sizeof(float));
paramsUb = new UniformBufferSugar <IntVector4>(glContext);
}
public unsafe QuadDrawer(IContext glContext)
{
this.glContext = glContext;
#region Shader Text
const string vertexShaderText =
@"#version 150
in vec4 in_vertex;
out vec2 v_tex_coord;
void main()
{
gl_Position = vec4(in_vertex.xy, 0.5, 1.0);
v_tex_coord = in_vertex.zw;
}
";
const string colFragmentShaderText =
@"#version 150
layout(std140) uniform ColorUb
{
vec4 Color;
};
out vec4 out_color;
void main()
{
out_color = Color;
}
";
const string texFragmentShaderText =
@"#version 150
uniform sampler2D Texture;
in vec2 v_tex_coord;
out vec4 out_color;
void main()
{
out_color = texture(Texture, v_tex_coord);
}
";
#endregion
var vs = glContext.Create.VertexShader(vertexShaderText);
var colFs = glContext.Create.FragmentShader(colFragmentShaderText);
var texFs = glContext.Create.FragmentShader(texFragmentShaderText);
colShaderProgram = glContext.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] { vs },
FragmentShaders = new[] { colFs },
VertexAttributeNames = new[] { "in_vertex" },
UniformBufferNames = new[] { "ColorUb" },
});
texShaderProgram = glContext.Create.Program(new ShaderProgramDescription
{
VertexShaders = new[] { vs },
FragmentShaders = new[] { texFs },
VertexAttributeNames = new[] { "in_vertex" },
SamplerNames = new[] { "Texture" }
});
var vertices = new[]
{
new Vector4(-1, -1, 0, 0),
new Vector4(-1, 1, 0, 1),
new Vector4(1, -1, 1, 0),
new Vector4(1, 1, 1, 1),
};
IBuffer vertexBuffer;
fixed(Vector4 *data = vertices)
vertexBuffer = glContext.Create.Buffer(BufferTarget.Array, 4 * sizeof(float) * vertices.Length, BufferUsageHint.StaticDraw, (IntPtr)data);
vao = glContext.Create.VertexArray();
vao.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 4 * sizeof(float), 0);
colorUb = new UniformBufferSugar <Color4>(glContext);
}
