| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_RENDER_TREE_MESH_H_ |
| #define COBALT_RENDER_TREE_MESH_H_ |
| |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/logging.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_vector.h" |
| #include "base/optional.h" |
| #include "starboard/types.h" |
| #include "third_party/glm/glm/vec2.hpp" |
| #include "third_party/glm/glm/vec3.hpp" |
| |
| namespace cobalt { |
| namespace render_tree { |
| |
| // Represents a mesh (3D position + texture vertex list) to which render trees |
| // can be mapped for 3D projection by being applied a filter. |
| class Mesh : public base::RefCountedThreadSafe<Mesh> { |
| public: |
| // Vertices interleave position (x, y, z) and texture (u, v) coordinates. |
| struct Vertex { |
| float x; |
| float y; |
| float z; |
| float u; |
| float v; |
| |
| Vertex() : x(0.0f), y(0.0f), z(0.0f), u(0.0f), v(0.0f) {} |
| Vertex(float x, float y, float z, float u, float v) |
| : x(x), y(y), z(z), u(u), v(v) {} |
| }; |
| COMPILE_ASSERT(sizeof(Vertex) == sizeof(float) * 5, |
| vertex_struct_size_exceeds_5_floats); |
| |
| // Defines how the mesh faces are constructed from the ordered list of |
| // vertices. |
| enum DrawMode { |
| kDrawModeTriangles = 0, |
| kDrawModeTriangleStrip = 1, |
| kDrawModeTriangleFan = 2 |
| }; |
| |
| virtual uint32 GetEstimatedSizeInBytes() const = 0; |
| |
| protected: |
| virtual ~Mesh() {} |
| |
| // Allow the reference counting system access to our destructor. |
| friend class base::RefCountedThreadSafe<Mesh>; |
| }; |
| |
| } // namespace render_tree |
| } // namespace cobalt |
| |
| #endif // COBALT_RENDER_TREE_MESH_H_ |