1 files changed, 23 insertions, 0 deletions
diff --git a/src/renderer/backends/backend_opengl.c b/src/renderer/backends/backend_opengl.c
index ea6cb00..a9f7482 100644
--- a/src/renderer/backends/backend_opengl.c
+++ b/src/renderer/backends/backend_opengl.c
@@ -60,6 +60,29 @@ void clear_screen(vec3 colour) {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 }
 
+void texture_data_upload(texture* tex) {
+  printf("Texture name %s\n", tex->name);
+  TRACE("Upload texture data");
+  u32 texture_id;
+  glGenTextures(1, &texture_id);
+  glBindTexture(GL_TEXTURE_2D, texture_id);
+  tex->texture_id = texture_id;
+
+  // set the texture wrapping parameters
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
+                  GL_REPEAT);  // set texture wrapping to GL_REPEAT (default wrapping method)
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+  // set texture filtering parameters
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tex->width, tex->height, 0, tex->channel_type,
+               GL_UNSIGNED_BYTE, tex->image_data);
+  glGenerateMipmap(GL_TEXTURE_2D);
+  DEBUG("Freeing texture image data after uploading to GPU");
+  // stbi_image_free(tex->image_data);  // data is on gpu now so we dont need it around
+}
+
 void bind_texture(shader s, texture *tex, u32 slot) {
   // printf("bind texture slot %d with texture id %d \n", slot, tex->texture_id);
   glActiveTexture(GL_TEXTURE0 + slot);