Texture.cpp

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#include "quori_face/Texture.hpp"
 
#include <GL/gl3w.h>
 
#include "trace.hpp"
 
using namespace quori_face;
 
Texture::~Texture()
{
  glDeleteTextures(1, &handle_);
}
 
Texture::Ptr Texture::create(std::size_t rows, std::size_t cols, float *const data)
{
  std::uint32_t handle;
  QUORI_FACE_TRACE(glGenTextures(1, &handle));
 
  QUORI_FACE_TRACE(glBindTexture(GL_TEXTURE_2D, handle));
 
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER));
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER));
 
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
 
  QUORI_FACE_TRACE(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB32F, cols, rows, 0, GL_RGB, GL_FLOAT, data));
  QUORI_FACE_TRACE(glGenerateMipmap(GL_TEXTURE_2D));
 
  return Ptr(new Texture(handle));
}
 
Texture::Ptr Texture::create(std::size_t rows, std::size_t cols, const std::uint32_t format, const std::uint8_t *const data)
{
  std::uint32_t handle;
  QUORI_FACE_TRACE(glGenTextures(1, &handle));
 
  QUORI_FACE_TRACE(glBindTexture(GL_TEXTURE_2D, handle));
 
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER));
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER));
 
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
  QUORI_FACE_TRACE(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
 
  QUORI_FACE_TRACE(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, cols, rows, 0, format, GL_UNSIGNED_BYTE, data));
  QUORI_FACE_TRACE(glGenerateMipmap(GL_TEXTURE_2D));
 
  return Ptr(new Texture(handle));
}
 
 
void Texture::bind()
{
  QUORI_FACE_TRACE(glBindTexture(GL_TEXTURE_2D, handle_));
}
 
std::uint32_t Texture::getHandle() const
{
  return handle_;
}
 
 
Texture::Texture(const std::uint32_t handle)
  : handle_(handle)
{
}