src/graphics/TextureBase.hpp

   1 #ifndef BLANK_GRAPHICS_TEXTUREBASE_HPP_
   2 #define BLANK_GRAPHICS_TEXTUREBASE_HPP_
   3
   4 #include <GL/glew.h>
   5
   6
   7 namespace blank {
   8
   9 template<GLenum TARGET, GLsizei COUNT = 1>
  10 class TextureBase {
  11
  12 public:
  13         TextureBase();
  14         ~TextureBase();
  15
  16         TextureBase(TextureBase &&other) noexcept;
  17         TextureBase &operator =(TextureBase &&) noexcept;
  18
  19         TextureBase(const TextureBase &) = delete;
  20         TextureBase &operator =(const TextureBase &) = delete;
  21
  22 public:
  23         void Bind(GLsizei which = 0) noexcept {
  24                 glBindTexture(TARGET, handle[which]);
  25         }
  26
  27         void FilterNearest() noexcept {
  28                 glTexParameteri(TARGET, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
  29                 glTexParameteri(TARGET, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  30         }
  31         void FilterLinear() noexcept {
  32                 glTexParameteri(TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  33                 glTexParameteri(TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  34         }
  35         void FilterTrilinear() noexcept {
  36                 glTexParameteri(TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  37                 glTexParameteri(TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
  38                 glGenerateMipmap(TARGET);
  39         }
  40
  41         void WrapEdge() noexcept {
  42                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
  43                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
  44                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
  45         }
  46         void WrapBorder() noexcept {
  47                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_BORDER);
  48                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
  49                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
  50         }
  51         void WrapRepeat() noexcept {
  52                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_R, GL_REPEAT);
  53                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_S, GL_REPEAT);
  54                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_T, GL_REPEAT);
  55         }
  56         void WrapMirror() noexcept {
  57                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_R, GL_MIRRORED_REPEAT);
  58                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
  59                 glTexParameteri(TARGET, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
  60         }
  61
  62 private:
  63         GLuint handle[COUNT];
  64
  65 };
  66
  67 }
  68
  69 #endif