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1 files changed, 54 insertions, 0 deletions

diff --git a/shaders/tile-shader.cpp b/shaders/tile-shader.cpp
new file mode 100644
index 00000000..835f94a0
--- /dev/null
+++ b/shaders/tile-shader.cpp
@@ -0,0 +1,54 @@
+#include "shaders/tile-shader.hpp"
+#include "loader.hpp"
+#include <algorithm>
+#include <Corrade/Containers/Reference.h>
+#include <Corrade/Utility/Resource.h>
+#include <Magnum/GL/Context.h>
+#include <Magnum/GL/Shader.h>
+#include <Magnum/GL/Version.h>
+
+namespace Magnum::Examples {
+
+tile_shader::tile_shader()
+{
+    MAGNUM_ASSERT_GL_VERSION_SUPPORTED(GL::Version::GL460);
+
+    GL::Shader vert{GL::Version::GL460, GL::Shader::Type::Vertex};
+    GL::Shader frag{GL::Version::GL460, GL::Shader::Type::Fragment};
+
+    vert.addSource(loader.shader("shaders/tile-shader.vert"));
+    frag.addSource(loader.shader("shaders/tile-shader.frag"));
+
+#ifdef __clang__
+#   pragma clang diagnostic push
+#   pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+    CORRADE_INTERNAL_ASSERT_OUTPUT(GL::Shader::compile({vert, frag}));
+#ifdef __clang__
+#   pragma clang diagnostic pop
+#endif
+    attachShaders({vert, frag});
+
+    CORRADE_INTERNAL_ASSERT_OUTPUT(link());
+
+    set_scale({640, 480});
+    set_camera_offset({0, 0});
+}
+
+tile_shader& tile_shader::set_scale(const Vector2& scale)
+{
+    scale_ = scale;
+    setUniform(ScaleUniform, scale);
+    return *this;
+}
+
+tile_shader& tile_shader::set_camera_offset(Vector2 camera_offset)
+{
+    CORRADE_INTERNAL_ASSERT(std::fabs(camera_offset[0]) <= std::scalbn(1.f, std::numeric_limits<float>::digits));
+    CORRADE_INTERNAL_ASSERT(std::fabs(camera_offset[1]) <= std::scalbn(1.f, std::numeric_limits<float>::digits));
+    camera_offset_ = camera_offset;
+    setUniform(OffsetUniform, camera_offset);
+    return *this;
+}
+
+} // namespace Magnum::Examples