GPUTexture: Add skeleton of the new GLTexture class

1 files changed, 98 insertions, 0 deletions

diff --git a/source/blender/gpu/opengl/gl_texture.cc b/source/blender/gpu/opengl/gl_texture.cc
new file mode 100644
index 00000000000..aaad281ed4e
--- /dev/null
+++ b/source/blender/gpu/opengl/gl_texture.cc
@@ -0,0 +1,98 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2020 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup gpu
+ */
+
+#include "BKE_global.h"
+
+#include "gl_backend.hh"
+
+#include "gl_texture.hh"
+
+namespace blender::gpu {
+
+/* -------------------------------------------------------------------- */
+/** \name Creation & Deletion
+ * \{ */
+
+GLTexture::GLTexture(const char *name) : Texture(name)
+{
+  BLI_assert(GPU_context_active_get() != NULL);
+
+  glGenTextures(1, &tex_id_);
+
+#ifndef __APPLE__
+  if ((G.debug & G_DEBUG_GPU) && (GLEW_VERSION_4_3 || GLEW_KHR_debug)) {
+    char sh_name[64];
+    SNPRINTF(sh_name, "Texture-%s", name);
+    glObjectLabel(GL_TEXTURE, tex_id_, -1, sh_name);
+  }
+#endif
+}
+
+GLTexture::~GLTexture()
+{
+  GLBackend::get()->tex_free(tex_id_);
+}
+
+void GLTexture::init(void)
+{
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Operations
+ * \{ */
+
+void GLTexture::bind(int /*slot*/)
+{
+}
+
+void GLTexture::update(void * /*data*/)
+{
+}
+
+void GLTexture::update_sub(void * /*data*/, int /*offset*/[3], int /*size*/[3])
+{
+}
+
+void GLTexture::generate_mipmap(void)
+{
+}
+
+void GLTexture::copy_to(Texture * /*tex*/)
+{
+}
+
+void GLTexture::swizzle_set(char /*swizzle_mask*/[4])
+{
+}
+
+/** \} */
+
+/* TODO(fclem) Legacy. Should be removed at some point. */
+uint GLTexture::gl_bindcode_get(void)
+{
+  return tex_id_;
+}
+
+}  // namespace blender::gpu