Review custom blend modes mechanism

rlBlendMode() has been added to rlgl to be used on BLEND_CUSTOM. This functionality is exposed to advance users.

In any case, new blending modes could be added if required.

1 files changed, 3 insertions, 4 deletions

diff --git a/src/raylib.h b/src/raylib.h
index 83b71d11..74c56592 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -808,8 +808,9 @@ typedef enum {
     BLEND_ALPHA = 0,        // Blend textures considering alpha (default)
     BLEND_ADDITIVE,         // Blend textures adding colors
     BLEND_MULTIPLIED,       // Blend textures multiplying colors
-    BLEND_ADD_COLORS,        // Blend textures adding colors (alternative)
-    BLEND_SUBTRACT_COLORS        // Blend textures subtracting colors (alternative)
+    BLEND_ADD_COLORS,       // Blend textures adding colors (alternative)
+    BLEND_SUBTRACT_COLORS,  // Blend textures subtracting colors (alternative)
+    BLEND_CUSTOM            // Belnd textures using custom src/dst factors (use SetBlendModeCustom())
 } BlendMode;
 
 // Gestures type
@@ -1391,10 +1392,8 @@ RLAPI Texture2D GenTextureBRDF(Shader shader, int size);                  // Gen
 RLAPI void BeginShaderMode(Shader shader);                                // Begin custom shader drawing
 RLAPI void EndShaderMode(void);                                           // End custom shader drawing (use default shader)
 RLAPI void BeginBlendMode(int mode);                                      // Begin blending mode (alpha, additive, multiplied)
-RLAPI void BeginBlendModeEx(int sFactor, int dFactor, int equation);      // Begin blending mode (full options)
 RLAPI void EndBlendMode(void);                                            // End blending mode (reset to default: alpha blending)
 
-
 // VR control functions
 RLAPI void InitVrSimulator(void);                       // Init VR simulator for selected device parameters
 RLAPI void CloseVrSimulator(void);                      // Close VR simulator for current device