From 8b7ca8b670a0f338fef85125311522833b945bf7 Mon Sep 17 00:00:00 2001
From: raysan5 <raysan5@gmail.com>
Date: Sun, 27 Mar 2016 18:32:36 +0200
Subject: Review comments

---
 src/textures.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

(limited to 'src/textures.c')

diff --git a/src/textures.c b/src/textures.c
index e649df57..9d0d13b6 100644
--- a/src/textures.c
+++ b/src/textures.c
@@ -29,21 +29,21 @@
 
 #include "raylib.h"
 
-#include <stdlib.h>          // Declares malloc() and free() for memory management
-#include <string.h>          // Required for strcmp(), strrchr(), strncmp()
+#include <stdlib.h>             // Declares malloc() and free() for memory management
+#include <string.h>             // Required for strcmp(), strrchr(), strncmp()
 
-#include "rlgl.h"            // raylib OpenGL abstraction layer to OpenGL 1.1, 3.3 or ES2
-                             // Required: rlglLoadTexture() rlDeleteTextures(), 
-                             //           rlglGenerateMipmaps(), some funcs for DrawTexturePro()
+#include "rlgl.h"               // raylib OpenGL abstraction layer to OpenGL 1.1, 3.3 or ES2
+                                // Required: rlglLoadTexture() rlDeleteTextures(), 
+                                //           rlglGenerateMipmaps(), some funcs for DrawTexturePro()
 
-#include "utils.h"           // rRES data decompression utility function
-                             // NOTE: Includes Android fopen function map
+#include "utils.h"              // rRES data decompression utility function
+                                // NOTE: Includes Android fopen function map
 
 #define STB_IMAGE_IMPLEMENTATION
-#include "stb_image.h"       // Used to read image data (multiple formats support)
+#include "stb_image.h"          // Used to read image data (multiple formats support)
 
 #define STB_IMAGE_RESIZE_IMPLEMENTATION
-#include "stb_image_resize.h"
+#include "stb_image_resize.h"   // Used on image scaling function: ImageResize()
 
 //----------------------------------------------------------------------------------
 // Defines and Macros
@@ -130,6 +130,7 @@ Image LoadImage(const char *fileName)
 }
 
 // Load image data from Color array data (RGBA - 32bit)
+// NOTE: Creates a copy of pixels data array
 Image LoadImageEx(Color *pixels, int width, int height)
 {
     Image image;
-- 
cgit v1.2.3


From 66b096d97848eb096a043781f1f305e7189f2a00 Mon Sep 17 00:00:00 2001
From: raysan5 <raysan5@gmail.com>
Date: Wed, 30 Mar 2016 20:09:16 +0200
Subject: Added support for render to texture (use RenderTexture2D)

Now it's possible to render to texture, old postprocessing system will
be removed on next raylib version.
---
 src/textures.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/textures.c')

diff --git a/src/textures.c b/src/textures.c
index 9d0d13b6..67264afb 100644
--- a/src/textures.c
+++ b/src/textures.c
@@ -389,6 +389,14 @@ Texture2D LoadTextureFromImage(Image image)
     return texture;
 }
 
+// Load a texture to be used for rendering
+RenderTexture2D LoadRenderTexture(int width, int height)
+{
+    RenderTexture2D target = rlglLoadRenderTexture(width, height);
+    
+    return target;
+}
+
 // Unload image from CPU memory (RAM)
 void UnloadImage(Image image)
 {
@@ -409,6 +417,17 @@ void UnloadTexture(Texture2D texture)
     }
 }
 
+// Unload render texture from GPU memory
+void UnloadRenderTexture(RenderTexture2D target)
+{
+    if (target.id != 0)
+    {
+        rlDeleteRenderTextures(target);
+        
+        TraceLog(INFO, "[FBO ID %i] Unloaded render texture data from VRAM (GPU)", target.id);
+    }
+}
+
 // Get pixel data from image in the form of Color struct array
 Color *GetImageData(Image image)
 {
-- 
cgit v1.2.3


From aa22d979834eeddb849f45bba7c0f467b575e6db Mon Sep 17 00:00:00 2001
From: raysan5 <raysan5@gmail.com>
Date: Thu, 7 Apr 2016 13:31:53 +0200
Subject: Simplified texture flip and added comments

---
 src/textures.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/textures.c')

diff --git a/src/textures.c b/src/textures.c
index 67264afb..79047ab7 100644
--- a/src/textures.c
+++ b/src/textures.c
@@ -1385,6 +1385,10 @@ void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float sc
 void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, Color tint)
 {
     Rectangle destRec = { (int)position.x, (int)position.y, abs(sourceRec.width), abs(sourceRec.height) };
+    
+    if (sourceRec.width < 0) sourceRec.x -= sourceRec.width;
+    if (sourceRec.height < 0) sourceRec.y -= sourceRec.height;
+    
     Vector2 origin = { 0, 0 };
 
     DrawTexturePro(texture, sourceRec, destRec, origin, 0.0f, tint);
-- 
cgit v1.2.3