Create gl_renderchain_add_lut

gfx/drivers/gl.c

@@ -3636,20 +3636,9 @@ unsigned *height_p, size_t *pitch_p)
 }
 #endif
 
-
+static bool gl_renderchain_add_lut(const struct video_shader *shader,
-bool gl_load_luts(const struct video_shader *shader,
+      unsigned i, GLuint *textures_lut)
-      GLuint *textures_lut)
 {
-   unsigned i;
-   unsigned num_luts = MIN(shader->luts, GFX_MAX_TEXTURES);
-
-   if (!shader->luts)
-      return true;
-
-   glGenTextures(num_luts, textures_lut);
-
-   for (i = 0; i < num_luts; i++)
-   {
    struct texture_image img = {0};
    enum texture_filter_type filter_type = TEXTURE_FILTER_LINEAR;
 
@@ -3680,6 +3669,25 @@ bool gl_load_luts(const struct video_shader *shader,
          img.width, img.height,
          img.pixels, sizeof(uint32_t));
    image_texture_free(&img);
+
+   return true;
+}
+
+bool gl_load_luts(const struct video_shader *shader,
+      GLuint *textures_lut)
+{
+   unsigned i;
+   unsigned num_luts = MIN(shader->luts, GFX_MAX_TEXTURES);
+
+   if (!shader->luts)
+      return true;
+
+   glGenTextures(num_luts, textures_lut);
+
+   for (i = 0; i < num_luts; i++)
+   {
+      if (!gl_renderchain_add_lut(shader, i, textures_lut))
+         return false;
    }
 
    glBindTexture(GL_TEXTURE_2D, 0);