private void BuildRenderItems()
{
AddRenderItem(RenderLayer.Sky, 0, "sky", "shapeGeo", "sphere",
world: Matrix.Scaling(5000.0f));
_skullRitem = AddRenderItem(RenderLayer.Opaque, 1, "skullMat", "skullGeo", "skull");
AddRenderItem(RenderLayer.Opaque, 2, "bricks0", "shapeGeo", "box",
world: Matrix.Scaling(2.0f, 1.0f, 2.0f) * Matrix.Translation(0.0f, 0.5f, 0.0f),
texTransform: Matrix.Scaling(1.0f, 0.5f, 1.0f));
AddRenderItem(RenderLayer.OpaqueDynamicReflectors, 3, "mirror0", "shapeGeo", "sphere",
world: Matrix.Scaling(2.0f) * Matrix.Translation(0.0f, 2.0f, 0.0f));
AddRenderItem(RenderLayer.Opaque, 4, "tile0", "shapeGeo", "grid",
texTransform: Matrix.Scaling(8.0f, 8.0f, 1.0f));
Matrix brickTexTransform = Matrix.Scaling(1.5f, 2.0f, 1.0f);
int objCBIndex = 5;
for (int i = 0; i < 5; ++i)
{
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "bricks0", "shapeGeo", "cylinder",
world: Matrix.Translation(-5.0f, 1.5f, -10.0f + i * 5.0f),
texTransform: brickTexTransform);
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "bricks0", "shapeGeo", "cylinder",
world: Matrix.Translation(+5.0f, 1.5f, -10.0f + i * 5.0f),
texTransform: brickTexTransform);
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "mirror0", "shapeGeo", "sphere",
world: Matrix.Translation(-5.0f, 3.5f, -10.0f + i * 5.0f));
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "mirror0", "shapeGeo", "sphere",
world: Matrix.Translation(+5.0f, 3.5f, -10.0f + i * 5.0f));
}
}
private void BuildRenderItems()
{
_skullRitem = AddRenderItem(RenderLayer.Opaque, 0, "skullMat", "skullGeo", "skull",
world: Matrix.Scaling(0.5f) * Matrix.Translation(0.0f, 1.0f, 0.0f));
AddRenderItem(RenderLayer.Opaque, 1, "stone0", "shapeGeo", "box",
world: Matrix.Scaling(3.0f, 1.0f, 3.0f) * Matrix.Translation(0.0f, 0.5f, 0.0f));
AddRenderItem(RenderLayer.Opaque, 2, "tile0", "shapeGeo", "grid",
texTransform: Matrix.Scaling(8.0f, 8.0f, 1.0f));
Matrix brickTexTransform = Matrix.Scaling(1.5f, 2.0f, 1.0f);
int objCBIndex = 3;
for (int i = 0; i < 5; ++i)
{
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "bricks0", "shapeGeo", "cylinder",
world: Matrix.Translation(-5.0f, 1.5f, -10.0f + i * 5.0f),
texTransform: brickTexTransform);
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "bricks0", "shapeGeo", "cylinder",
world: Matrix.Translation(+5.0f, 1.5f, -10.0f + i * 5.0f),
texTransform: brickTexTransform);
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "stone0", "shapeGeo", "sphere",
world: Matrix.Translation(-5.0f, 3.5f, -10.0f + i * 5.0f));
AddRenderItem(RenderLayer.Opaque, objCBIndex++, "stone0", "shapeGeo", "sphere",
world: Matrix.Translation(+5.0f, 3.5f, -10.0f + i * 5.0f));
}
}
private void BuildRenderItems()
{
MeshGeometry geo = _geometries["carGeo"];
SubmeshGeometry submesh = geo.DrawArgs["car"];
var carRitem = new RenderItem
{
World = Matrix.Translation(0.0f, 1.0f, 0.0f),
ObjCBIndex = 0,
Mat = _materials["gray0"],
Geo = geo,
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation,
Bounds = submesh.Bounds
};
_ritemLayer[RenderLayer.Opaque].Add(carRitem);
_allRitems.Add(carRitem);
_pickedRitem = new RenderItem
{
ObjCBIndex = 1,
Mat = _materials["highlight0"],
Geo = geo,
// Picked triangle is not visible until one is picked.
Visible = false,
// DrawCall parameters are filled out when a triangle is picked.
IndexCount = 0,
StartIndexLocation = 0,
BaseVertexLocation = 0
};
_ritemLayer[RenderLayer.Highlight].Add(_pickedRitem);
_allRitems.Add(_pickedRitem);
}
private void BuildRenderItems()
{
_wavesRitem = AddRenderItem(RenderLayer.Transparent, 0, "water", "waterGeo", "grid",
texTransform: Matrix.Scaling(5.0f, 5.0f, 1.0f));
AddRenderItem(RenderLayer.Opaque, 1, "grass", "landGeo", "grid",
texTransform: Matrix.Scaling(5.0f, 5.0f, 1.0f));
AddRenderItem(RenderLayer.AlphaTested, 2, "wirefence", "boxGeo", "box",
world: Matrix.Translation(3.0f, 2.0f, -9.0f));
}
private void BuildRenderItems()
{
MeshGeometry geo = _geometries["skullGeo"];
SubmeshGeometry submesh = geo.DrawArgs["skull"];
var skullRitem = new RenderItem
{
ObjCBIndex = 0,
Mat = _materials["tile0"],
Geo = _geometries["skullGeo"],
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation,
Bounds = submesh.Bounds
};
// Instance count for the render item is set during update based on frustum culling.
// Generate instance data.
const int n = 5;
skullRitem.Instances = new InstanceData[n * n * n];
const float width = 200.0f;
const float height = 200.0f;
const float depth = 200.0f;
const float x = -0.5f * width;
const float y = -0.5f * height;
const float z = -0.5f * depth;
const float dx = width / (n - 1);
const float dy = height / (n - 1);
const float dz = depth / (n - 1);
for (int k = 0; k < n; k++)
{
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
int index = k * n * n + i * n + j;
// Position instanced along a 3D grid.
skullRitem.Instances[index].World = new Matrix(
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
x + j * dx, y + i * dy, z + k * dz, 1.0f);
skullRitem.Instances[index].TexTransform = Matrix.Scaling(2.0f, 2.0f, 1.0f);
skullRitem.Instances[index].MaterialIndex = index % _materials.Count;
}
}
}
_allRitems.Add(skullRitem);
// All the render items are opaque.
_ritemLayers[RenderLayer.Opaque].AddRange(_allRitems);
}
private void BuildRenderItems()
{
_wavesRitem = AddRenderItem(RenderLayer.Transparent, 0, "water", "waterGeo", "grid",
texTransform: Matrix.Scaling(5.0f, 5.0f, 1.0f));
AddRenderItem(RenderLayer.Opaque, 1, "grass", "landGeo", "grid",
texTransform: Matrix.Scaling(5.0f, 5.0f, 1.0f));
AddRenderItem(RenderLayer.AlphaTested, 2, "wirefence", "boxGeo", "box",
world: Matrix.Translation(3.0f, 2.0f, -9.0f));
AddRenderItem(RenderLayer.AlphaTestedTreeSprites, 3, "treeSprites", "treeSpritesGeo", "points",
topology: PrimitiveTopology.PointList);
}
private void BuildRenderItems()
{
AddRenderItem(RenderLayer.Opaque, 0, "checkertile", "roomGeo", "floor");
AddRenderItem(RenderLayer.Opaque, 1, "bricks", "roomGeo", "wall");
_skullRitem = AddRenderItem(RenderLayer.Opaque, 2, "skullMat", "skullGeo", "skull");
// Reflected skull will have different world matrix, so it needs to be its own render item.
_reflectedSkullRitem = AddRenderItem(RenderLayer.Reflected, 3, "skullMat", "skullGeo", "skull");
// Shadowed skull will have different world matrix, so it needs to be its own render item.
_shadowedSkullRitem = AddRenderItem(RenderLayer.Shadow, 4, "shadowMat", "skullGeo", "skull");
AddRenderItem(RenderLayer.Mirrors, 5, "icemirror", "roomGeo", "mirror");
AddRenderItem(RenderLayer.Transparent, 6, "icemirror", "roomGeo", "mirror");
}
private void AddRenderItem(RenderLayer layer, int objCBIndex, string geoName, string submeshName, Matrix?world = null)
{
MeshGeometry geo = _geometries[geoName];
SubmeshGeometry submesh = geo.DrawArgs[submeshName];
var renderItem = new RenderItem
{
ObjCBIndex = objCBIndex,
Geo = geo,
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation,
World = world ?? Matrix.Identity
};
_ritemLayers[layer].Add(renderItem);
_allRitems.Add(renderItem);
}
private RenderItem AddRenderItem(RenderLayer layer, int objCBIndex, string geoName, string submeshName)
{
MeshGeometry geo = _geometries[geoName];
SubmeshGeometry submesh = geo.DrawArgs[submeshName];
var renderItem = new RenderItem
{
ObjCBIndex = objCBIndex,
Geo = geo,
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation
};
_ritemLayers[layer].Add(renderItem);
_allRitems.Add(renderItem);
return(renderItem);
}
private void BuildRenderItems()
{
MeshGeometry geo = _geometries["boxGeo"];
SubmeshGeometry submesh = geo.DrawArgs["box"];
var boxRitem = new RenderItem
{
ObjCBIndex = 0,
Mat = _materials["woodCrate"],
Geo = geo,
PrimitiveType = PrimitiveTopology.TriangleList,
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation
};
_allRitems.Add(boxRitem);
// All the render items are opaque.
_ritemLayers[RenderLayer.Opaque].AddRange(_allRitems);
}
private void BuildRenderItems()
{
MeshGeometry geo = _geometries["quadpatchGeo"];
SubmeshGeometry submesh = geo.DrawArgs["quadpatch"];
var quadPatchRitem = new RenderItem
{
World = Matrix.Identity,
TexTransform = Matrix.Identity,
ObjCBIndex = 0,
Mat = _materials["whiteMat"],
Geo = geo,
PrimitiveType = PrimitiveTopology.PatchListWith16ControlPoints,
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation
};
_ritemLayers[RenderLayer.Opaque].Add(quadPatchRitem);
_allRitems.Add(quadPatchRitem);
}
private RenderItem AddRenderItem(RenderLayer layer, int objCBIndex, string matName, string geoName, string submeshName,
Matrix?world = null, Matrix?texTransform = null, PrimitiveTopology topology = PrimitiveTopology.TriangleList)
{
MeshGeometry geo = _geometries[geoName];
SubmeshGeometry submesh = geo.DrawArgs[submeshName];
var renderItem = new RenderItem
{
ObjCBIndex = objCBIndex,
Mat = _materials[matName],
Geo = geo,
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation,
World = world ?? Matrix.Identity,
TexTransform = texTransform ?? Matrix.Identity,
PrimitiveType = topology
};
_ritemLayers[layer].Add(renderItem);
_allRitems.Add(renderItem);
return(renderItem);
}
private void AddRenderItem(RenderLayer layer, int objCBIndex, string matName, string geoName, string submeshName,
Matrix?world = null, Matrix?texTransform = null, Vector2?dmTexelSize = null, float?gridSpatialStep = null)
{
MeshGeometry geo = _geometries[geoName];
SubmeshGeometry submesh = geo.DrawArgs[submeshName];
var renderItem = new RenderItem
{
ObjCBIndex = objCBIndex,
Mat = _materials[matName],
Geo = geo,
IndexCount = submesh.IndexCount,
StartIndexLocation = submesh.StartIndexLocation,
BaseVertexLocation = submesh.BaseVertexLocation
};
if (world.HasValue)
{
renderItem.World = world.Value;
}
if (texTransform.HasValue)
{
renderItem.TexTransform = texTransform.Value;
}
if (dmTexelSize.HasValue)
{
renderItem.DisplacementMapTexelSize = dmTexelSize.Value;
}
if (gridSpatialStep.HasValue)
{
renderItem.GridSpatialStep = gridSpatialStep.Value;
}
_ritemLayers[layer].Add(renderItem);
_allRitems.Add(renderItem);
}
private void BuildRenderItems()
{
_wavesRitem = AddRenderItem(RenderLayer.Opaque, 0, "waterGeo", "grid");
AddRenderItem(RenderLayer.Opaque, 1, "landGeo", "grid");
}