1. rcrnstn/gltexture
  2. src
  3. gltexturend.cpp
Browse code

Add implementation

Robert Cranston authored on 29/12/2021 16:30:02
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src/gltexturend.cpp
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+#include <gltexturend.hpp>
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+
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+#include <functional>
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+#include <numeric>
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+#include <utility>
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+
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+#include <globject.hpp>
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+#include <gltexture.hpp>
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+
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+// NOLINTNEXTLINE
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+#define STR_EXCEPTION GLObject<>::Exception
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+#include <str.hpp>
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+
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+
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+/// Special member functions
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+
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+
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+template<std::size_t N>
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+inline GLTextureND<N>::GLTextureND(
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+    // NOLINTNEXTLINE
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+    std::string object_label,
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+    GLenum      target,
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+    GLenum      binding,
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+    GLenum      size_max_name,
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+    Size        size,
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+    GLenum      internal_format,
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+    GLenum      wrap,
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+    GLenum      min_filter,
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+    GLenum      mag_filter
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+)
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+:
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+    GLTexture(
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+        STR_JOIN(" ", it, it, {
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+            str_size_(size),
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+            std::move(object_label)
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+        }),
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+        target,
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+        binding,
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+        internal_format,
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+        wrap,
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+        min_filter,
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+        mag_filter
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+    ),
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+    size_{size}
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+{
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+    check_size_max_(size_max_name);
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+}
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+
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+
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+/// Core
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+
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+
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+template<std::size_t N>
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+std::size_t GLTextureND<N>::data_size_() const
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+{
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+    return std::accumulate(
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+        size_.begin(),
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+        size_.end(),
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+        std::size_t{1},
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+        std::multiplies<std::size_t>{}
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+    );
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+}
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+
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+
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+/// Check
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+
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+
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+template<std::size_t N>
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+void GLTextureND<N>::check_size_max_(GLenum size_max_name)
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+{
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+    auto static const size_max = integer(size_max_name);
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+    for (auto size : size_)
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+        if (size > size_max)
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+            STR_THROW(
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+                "Expected max size " << size_max         << ", " <<
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+                "got "               << str_size_(size_) << "."
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+            );
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+}
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+
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+
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+/// String
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+
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+
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+template<std::size_t N>
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+std::string GLTextureND<N>::str_size_(Size size)
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+{
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+    return STR("{" << STR_JOIN(", ", it, it, size) << "}");
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+}
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+
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+
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+/// Explicit template instantiation
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+
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+
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+template class GLTextureND<1>;
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+template class GLTextureND<2>;
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+template class GLTextureND<3>;