Merge pull request #125 from raysan5/develop

Develop branch integration

1 files changed, 29 insertions, 14 deletions

diff --git a/examples/shaders_postprocessing.c b/examples/shaders_postprocessing.c
index 0f851658..5e8b5a80 100644
--- a/examples/shaders_postprocessing.c
+++ b/examples/shaders_postprocessing.c
@@ -30,18 +30,19 @@ int main()
     InitWindow(screenWidth, screenHeight, "raylib [shaders] example - postprocessing shader");
 
     // Define the camera to look into our 3d world
-    Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
+    Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
     
     Model dwarf = LoadModel("resources/model/dwarf.obj");                   // Load OBJ model
-    Texture2D texture = LoadTexture("resources/model/dwarf_diffuse.png");   // Load model texture
+    Texture2D texture = LoadTexture("resources/model/dwarf_diffuse.png");   // Load model texture (diffuse map)
     SetModelTexture(&dwarf, texture);                                       // Bind texture to model
 
     Vector3 position = { 0.0f, 0.0f, 0.0f };                                // Set model position
     
-    Shader shader = LoadShader("resources/shaders/base.vs", 
-                               "resources/shaders/bloom.fs");               // Load postpro shader
+    Shader shader = LoadShader("resources/shaders/glsl330/base.vs", 
+                               "resources/shaders/glsl330/bloom.fs");       // Load postpro shader
 
-    SetPostproShader(shader);               // Set fullscreen postprocessing shader
+    // Create a RenderTexture2D to be used for render to texture
+    RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
     
     // Setup orbital camera
     SetCameraMode(CAMERA_ORBITAL);          // Set an orbital camera mode
@@ -65,15 +66,28 @@ int main()
 
             ClearBackground(RAYWHITE);
 
-            Begin3dMode(camera);
+            BeginTextureMode(target);   // Enable drawing to texture
 
-                DrawModel(dwarf, position, 2.0f, WHITE);   // Draw 3d model with texture
+                Begin3dMode(camera);
 
-                DrawGrid(10, 1.0f);     // Draw a grid
+                    DrawModel(dwarf, position, 2.0f, WHITE);   // Draw 3d model with texture
 
-            End3dMode();
+                    DrawGrid(10, 1.0f);     // Draw a grid
+
+                End3dMode();
+          
+                DrawText("HELLO POSTPROCESSING!", 70, 190, 50, RED);
+                
+            EndTextureMode();           // End drawing to texture (now we have a texture available for next passes)
+            
+            BeginShaderMode(shader);
+            
+                // NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
+                DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE);
+                
+            EndShaderMode();
             
-            DrawText("(c) Dwarf 3D model by David Moreno", screenWidth - 200, screenHeight - 20, 10, BLACK);
+            DrawText("(c) Dwarf 3D model by David Moreno", screenWidth - 200, screenHeight - 20, 10, DARKGRAY);
 
             DrawFPS(10, 10);
 
@@ -83,11 +97,12 @@ int main()
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
-    UnloadShader(shader);       // Unload shader
-    UnloadTexture(texture);     // Unload texture
-    UnloadModel(dwarf);         // Unload model
+    UnloadShader(shader);           // Unload shader
+    UnloadTexture(texture);         // Unload texture
+    UnloadModel(dwarf);             // Unload model
+    UnloadRenderTexture(target);    // Unload render texture
 
-    CloseWindow();              // Close window and OpenGL context
+    CloseWindow();                  // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
 
     return 0;