// float sum = 0f;
void updateUniformBuffers()
{
// Vertex shader
uboVS.projection = Matrix4.CreatePerspectiveFieldOfView(
MathHelper.DegreesToRadians(60.0f),
((float)mManager.Width / (float)mManager.Height),
0.001f, 256.0f
);
// uboVS.projection = Matrix4.Identity;
//uboVS.projection = Matrix4.CreateTranslation(1f,0f,0.5f);
//var viewMatrix = Matrix4.CreateTranslation( 0f, 0f, mZoom);
////uboVS.model = viewMatrix * glm::translate(glm::mat4(), cameraPos);
//var rotateX = Matrix4.RotateX(rotation.x);
//var rotateY = Matrix4.RotateY(rotation.y);
//var rotateZ = Matrix4.RotateZ(rotation.Z);
////uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
////uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
////uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
//uboVS.model = rotateZ * rotateY * rotateX * viewMatrix;
uboVS.lodBias = 0.5f;
uboVS.model = Matrix4.Identity;
uboVS.viewPos = new Vector3(0f, 0f, mZoom);
//sum += 0.001f;
//if (sum > 1f)
//{
// sum = 0;
//}
var bufferSize = (uint)Marshal.SizeOf <UniformBufferObject>();
uniformBufferVS.SetData <UniformBufferObject>(bufferSize, new[] { uboVS }, 0, 1);
}
void generateQuad()
{
// Setup vertices for a single uv-mapped quad made from two triangles
VertexData[] quadCorners =
{
new VertexData
{
pos = new Vector3(1f, 1f, 0f),
uv = new Vector2(1.0f, 1.0f),
normal = new Vector3(0.0f, 0.0f, -1.0f)
},
new VertexData
{
pos = new Vector3(-1.0f, 1.0f, 0f),
uv = new Vector2(0.0f, 1.0f),
normal = new Vector3(0.0f, 0.0f, -1.0f)
},
new VertexData
{
pos = new Vector3(-1.0f, -1.0f, 0f),
uv = new Vector2(0.0f, 0.0f),
normal = new Vector3(0.0f, 0.0f, -1.0f)
},
new VertexData
{
pos = new Vector3(1.0f, -1.0f, 0f),
uv = new Vector2(1.0f, 0.0f),
normal = new Vector3(0.0f, 0.0f, -1.0f)
},
};
// Setup indices
var indices = new uint[] { 0, 1, 2, 2, 3, 0 };
indexCount = (uint)indices.Length;
var device = mManager.Configuration.Device;
Debug.Assert(device != null);
// Create buffers
// For the sake of simplicity we won't stage the vertex data to the gpu memory
// Vertex buffer
{
var bufferSize = (uint)(Marshal.SizeOf <VertexData>() * quadCorners.Length);
vertexBuffer = new BufferInfo(
mManager.Configuration.Partition,
MgBufferUsageFlagBits.VERTEX_BUFFER_BIT,
MgMemoryPropertyFlagBits.HOST_VISIBLE_BIT | MgMemoryPropertyFlagBits.HOST_COHERENT_BIT,
bufferSize);
vertexBuffer.SetData <VertexData>(bufferSize, quadCorners, 0, quadCorners.Length);
}
// Index buffer
{
var bufferSize = indexCount * sizeof(uint);
indexBuffer = new BufferInfo(
mManager.Configuration.Partition,
MgBufferUsageFlagBits.INDEX_BUFFER_BIT,
MgMemoryPropertyFlagBits.HOST_VISIBLE_BIT | MgMemoryPropertyFlagBits.HOST_COHERENT_BIT,
bufferSize);
indexBuffer.SetData(bufferSize, indices, 0, (int)indexCount);
}
}