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include/display.h

@@ -296,11 +296,12 @@ uint32_t display_get_bitdepth(void);
 uint32_t display_get_num_buffers(void);
 
 /**
- * @brief Get the current refreshed rate of the TV in Hz
+ * @brief Get the current refresh rate of the video output in Hz
  * 
  * The refresh rate is normally 50 for PAL and 60 for NTSC, but this function
- * will also account for advanced VI configurations affecting the refresh rate,
- * like PAL60.
+ * returns the hardware-accurate number which is close to those but not quite
+ * exact. Moreover, this will also account for advanced VI configurations
+ * affecting the refresh rate, like PAL60.
  * 
  * @return float        Refresh rate in Hz (frames per second)
  */

include/rdpq_tex.h

@@ -42,7 +42,7 @@ typedef struct rdpq_texparms_s {
 
     struct {
         float   translate;    ///< Translation of the texture (in pixels)
-        int     scale_log;    ///< Power of 2 scale modifier of the texture (default: 0). Eg: -2 = make the texture 4 times smaller
+        int     scale_log;    ///< Power of 2 scale modifier of the texture (default: 0). Eg: -2 = make the texture 4 times smaller. Range is [-5..10]
 
         float   repeats;      ///< Number of repetitions before the texture clamps (default: 1). Use #REPEAT_INFINITE for infinite repetitions (wrapping)
         bool    mirror;       ///< Repetition mode (default: MIRROR_NONE). If true (MIRROR_REPEAT), the texture mirrors at each repetition