Improved library consistency

Functions renamed to improve library consistency

src/raylib.h

@@ -860,8 +860,7 @@ Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *p
 //------------------------------------------------------------------------------------
 Shader LoadShader(char *vsFileName, char *fsFileName);              // Load a custom shader and bind default locations
 void UnloadShader(Shader shader);                                   // Unload a custom shader from memory
-void SetDefaultShader(void);                                        // Set default shader to be used in batch draw
-void SetCustomShader(Shader shader);                                // Set custom shader to be used in batch draw
+
 Shader GetDefaultShader(void);                                      // Get default shader
 Shader GetStandardShader(void);                                     // Get default shader
 Texture2D GetDefaultTexture(void);                                  // Get default texture
@@ -871,7 +870,10 @@ void SetShaderValue(Shader shader, int uniformLoc, float *value, int size); // S
 void SetShaderValuei(Shader shader, int uniformLoc, int *value, int size);  // Set shader uniform value (int)
 void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat);       // Set shader uniform value (matrix 4x4)
 
-void SetBlendMode(int mode);                                        // Set blending mode (alpha, additive, multiplied)
+void BeginShaderMode(Shader shader);                                // Begin custom shader drawing
+void EndShaderMode(void);                                           // End custom shader drawing (use default shader)
+void BeginBlendMode(int mode);                                      // Begin blending mode (alpha, additive, multiplied)
+void EndBlendMode(void);                                            // End blending mode (reset to default: alpha blending)
 
 Light CreateLight(int type, Vector3 position, Color diffuse);       // Create a new light, initialize it and add to pool
 void DestroyLight(Light light);                                     // Destroy a light and take it out of the list

src/rlgl.c

@@ -2157,7 +2157,7 @@ void UnloadShader(Shader shader)
 }
 
 // Set custom shader to be used on batch draw
-void SetCustomShader(Shader shader)
+void BeginShaderMode(Shader shader)
 {
 #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
     if (currentShader.id != shader.id)
@@ -2169,10 +2169,10 @@ void SetCustomShader(Shader shader)
 }
 
 // Set default shader to be used in batch draw
-void SetDefaultShader(void)
+void EndShaderMode(void)
 {
 #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
-    SetCustomShader(defaultShader);
+    BeginShaderMode(defaultShader);
 #endif
 }
 
@@ -2254,9 +2254,9 @@ void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat)
 #endif
 }
 
-// Set blending mode (alpha, additive, multiplied)
-// NOTE: Only 3 blending modes predefined
-void SetBlendMode(int mode)
+// Begin blending mode (alpha, additive, multiplied)
+// NOTE: Only 3 blending modes supported, default blend mode is alpha
+void BeginBlendMode(int mode)
 {
     if ((blendMode != mode) && (mode < 3))
     {
@@ -2274,6 +2274,12 @@ void SetBlendMode(int mode)
     }
 }
 
+// End blending mode (reset to default: alpha blending)
+void EndBlendMode(void)
+{
+    BeginBlendMode(BLEND_ALPHA);
+}
+
 // Create a new light, initialize it and add to pool
 Light CreateLight(int type, Vector3 position, Color diffuse)
 {

src/rlgl.h

@@ -317,9 +317,9 @@ void *rlglReadTexturePixels(Texture2D texture);                     // Read text
 //------------------------------------------------------------------------------------
 Shader LoadShader(char *vsFileName, char *fsFileName);              // Load a custom shader and bind default locations
 void UnloadShader(Shader shader);                                   // Unload a custom shader from memory
-void SetCustomShader(Shader shader);                                // Set custom shader to be used in batch draw
-void SetDefaultShader(void);                                        // Set default shader to be used in batch draw
+
 Shader GetDefaultShader(void);                                      // Get default shader
+Shader GetStandardShader(void);                                     // Get default shader
 Texture2D GetDefaultTexture(void);                                  // Get default texture
 
 int GetShaderLocation(Shader shader, const char *uniformName);              // Get shader uniform location
@@ -327,7 +327,10 @@ void SetShaderValue(Shader shader, int uniformLoc, float *value, int size); // S
 void SetShaderValuei(Shader shader, int uniformLoc, int *value, int size);  // Set shader uniform value (int)
 void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat);       // Set shader uniform value (matrix 4x4)
 
-void SetBlendMode(int mode);                                        // Set blending mode (alpha, additive, multiplied)
+void BeginShaderMode(Shader shader);                                // Begin custom shader drawing
+void EndShaderMode(void);                                           // End custom shader drawing (use default shader)
+void BeginBlendMode(int mode);                                      // Begin blending mode (alpha, additive, multiplied)
+void EndBlendMode(void);                                            // End blending mode (reset to default: alpha blending)
 
 Light CreateLight(int type, Vector3 position, Color diffuse);       // Create a new light, initialize it and add to pool
 void DestroyLight(Light light);                                     // Destroy a light and take it out of the list