From c8cfccc2f1610479fca801b666db26cfbf977668 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 1 Oct 2016 14:31:00 -0700
Subject: [PATCH] Fixed bug 3116 - renderer->hidden in SDL_RenderCopy(Ex)

Daniel

Seems like check of the visibility of renderer (renderer->hidden) is missing in SDL_RenderCopyEx.

In SDL_RenderCopy it should be done much earlier (after checking support for RenderCopyEx, line 1750).
---
 src/render/SDL_render.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index 4f9b6b248..556d68d4e 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -1457,6 +1457,7 @@ SDL_RenderDrawPoints(SDL_Renderer * renderer,
     if (count < 1) {
         return 0;
     }
+
     /* Don't draw while we're hidden */
     if (renderer->hidden) {
         return 0;
@@ -1566,6 +1567,7 @@ SDL_RenderDrawLines(SDL_Renderer * renderer,
     if (count < 2) {
         return 0;
     }
+
     /* Don't draw while we're hidden */
     if (renderer->hidden) {
         return 0;
@@ -1639,6 +1641,7 @@ SDL_RenderDrawRects(SDL_Renderer * renderer,
     if (renderer->hidden) {
         return 0;
     }
+
     for (i = 0; i < count; ++i) {
         if (SDL_RenderDrawRect(renderer, &rects[i]) < 0) {
             return -1;
@@ -1680,6 +1683,7 @@ SDL_RenderFillRects(SDL_Renderer * renderer,
     if (count < 1) {
         return 0;
     }
+
     /* Don't draw while we're hidden */
     if (renderer->hidden) {
         return 0;
@@ -1718,6 +1722,11 @@ SDL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
         return SDL_SetError("Texture was not created with this renderer");
     }
 
+    /* Don't draw while we're hidden */
+    if (renderer->hidden) {
+        return 0;
+    }
+
     real_srcrect.x = 0;
     real_srcrect.y = 0;
     real_srcrect.w = texture->w;
@@ -1742,11 +1751,6 @@ SDL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
         texture = texture->native;
     }
 
-    /* Don't draw while we're hidden */
-    if (renderer->hidden) {
-        return 0;
-    }
-
     frect.x = real_dstrect.x * renderer->scale.x;
     frect.y = real_dstrect.y * renderer->scale.y;
     frect.w = real_dstrect.w * renderer->scale.x;
@@ -1781,6 +1785,11 @@ SDL_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
         return SDL_SetError("Renderer does not support RenderCopyEx");
     }
 
+    /* Don't draw while we're hidden */
+    if (renderer->hidden) {
+        return 0;
+    }
+
     real_srcrect.x = 0;
     real_srcrect.y = 0;
     real_srcrect.w = texture->w;
@@ -1804,8 +1813,9 @@ SDL_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
         texture = texture->native;
     }
 
-    if(center) real_center = *center;
-    else {
+    if (center) {
+        real_center = *center;
+    } else {
         real_center.x = real_dstrect.w/2;
         real_center.y = real_dstrect.h/2;
     }