rename in draw/

1 files changed, 55 insertions, 0 deletions

diff --git a/draw/wireframe.cpp b/draw/wireframe.cpp
new file mode 100644
index 00000000..4ff99adb
--- /dev/null
+++ b/draw/wireframe.cpp
@@ -0,0 +1,55 @@
+#include "wireframe.hpp"
+#include "shaders/tile-shader.hpp"
+//#include <Corrade/Containers/ArrayViewStl.h>
+#include <Corrade/Containers/Array.h>
+#include <Corrade/Containers/ArrayView.h>
+#include <Magnum/GL/TextureFormat.h>
+//#include <Magnum/ImageFlags.h>
+#include <Magnum/ImageView.h>
+#include <Magnum/PixelFormat.h>
+//#include <Magnum/PixelStorage.h>
+#include <Magnum/Trade/ImageData.h>
+
+namespace floormat::wireframe
+{
+
+GL::Texture2D mesh_base::make_constant_texture()
+{
+    const Vector4ub data[] = { {255, 255, 255, 255} };
+    Trade::ImageData2D img{PixelFormat::RGBA8Unorm, {1, 1}, {},
+                           Containers::arrayView(data, 1), {}, {}};
+    GL::Texture2D tex;
+    tex.setWrapping(GL::SamplerWrapping::ClampToEdge)
+       .setMagnificationFilter(GL::SamplerFilter::Nearest)
+       .setMinificationFilter(GL::SamplerFilter::Nearest)
+       .setStorage(1, GL::textureFormat(img.format()), img.size())
+       .setSubImage(0, {}, std::move(img));
+    return tex;
+}
+
+mesh_base::mesh_base(GL::MeshPrimitive primitive, ArrayView<const void> index_data,
+                     std::size_t num_vertices, std::size_t num_indexes) :
+    _vertex_buffer{Containers::Array<Vector3>{ValueInit, num_vertices}, GL::BufferUsage::DynamicDraw},
+    _texcoords_buffer{Containers::Array<Vector2>{ValueInit, num_vertices}},
+    _index_buffer{num_indexes == 0 ? GL::Buffer{NoCreate} : GL::Buffer{index_data}}
+{
+    _mesh.setCount((int)(num_indexes > 0 ? num_indexes : num_vertices))
+        .setPrimitive(primitive)
+        .addVertexBuffer(_vertex_buffer, 0, tile_shader::Position{})
+        .addVertexBuffer(_texcoords_buffer, 0, tile_shader::TextureCoordinates{});
+    if (num_indexes > 0)
+        _mesh.setIndexBuffer(_index_buffer, 0, GL::MeshIndexType::UnsignedShort);
+}
+
+void mesh_base::draw(tile_shader& shader)
+{
+    _texture.bind(0);
+    shader.draw(_mesh);
+}
+
+void mesh_base::set_subdata(ArrayView<const void> array)
+{
+    _vertex_buffer.setSubData(0, array);
+}
+
+} // namespace floormat::wireframe