Move OpenGL image format mapping

src/texture.cpp

@@ -188,9 +188,16 @@ bool Texture2D::create(int width, int height, GLint internal_format, GLint forma
 }
 bool Texture2D::create(const Image& img)
 {
-    static GLint formats[] = { GL_RED, GL_RG, GL_RGB, GL_RGBA };
-    static GLint iformats[] = { GL_R8, GL_RG8, GL_RGB8, GL_RGBA8 };
-    return create(img.width, img.height, iformats[img.comp - 1], formats[img.comp - 1], img.data());
+    const auto format = pp::renderer::gl::texture_format_for_channel_count(static_cast<std::uint32_t>(img.comp));
+    if (format.channel_count == 0U)
+        return false;
+
+    return create(
+        img.width,
+        img.height,
+        static_cast<GLint>(format.internal_format),
+        static_cast<GLint>(format.pixel_format),
+        img.data());
 }
 
 void Texture2D::create_mipmaps()