diff -r 9cec3e9af221 -r a5f1d08deb49 src/render/direct3d/SDL_render_d3d.c
--- a/src/render/direct3d/SDL_render_d3d.c
+++ b/src/render/direct3d/SDL_render_d3d.c
@@ -1152,10 +1152,10 @@
 
     if (!SDL_RectEmpty(rect)) {
         IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, TRUE);
-        r.left = rect->x;
-        r.top = rect->y;
-        r.right = rect->x + rect->w;
-        r.bottom = rect->y + rect->h;
+        r.left = renderer->viewport.x + rect->x;
+        r.top = renderer->viewport.y + rect->y;
+        r.right = renderer->viewport.x + rect->x + rect->w;
+        r.bottom = renderer->viewport.y + rect->y + rect->h;
 
         result = IDirect3DDevice9_SetScissorRect(data->device, &r);
         if (result != D3D_OK) {
diff -r 9cec3e9af221 -r a5f1d08deb49 src/render/opengl/SDL_render_gl.c
--- a/src/render/opengl/SDL_render_gl.c
+++ b/src/render/opengl/SDL_render_gl.c
@@ -978,7 +978,7 @@
 
     if (!SDL_RectEmpty(rect)) {
         data->glEnable(GL_SCISSOR_TEST);
-        data->glScissor(rect->x, renderer->viewport.h - rect->y - rect->h, rect->w, rect->h);
+        data->glScissor(renderer->viewport.x + rect->x, renderer->viewport.y + renderer->viewport.h - rect->y - rect->h, rect->w, rect->h);
     } else {
         data->glDisable(GL_SCISSOR_TEST);
     }
diff -r 9cec3e9af221 -r a5f1d08deb49 src/render/opengles/SDL_render_gles.c
--- a/src/render/opengles/SDL_render_gles.c
+++ b/src/render/opengles/SDL_render_gles.c
@@ -693,7 +693,7 @@
 
     if (!SDL_RectEmpty(rect)) {
         data->glEnable(GL_SCISSOR_TEST);
-        data->glScissor(rect->x, renderer->viewport.h - rect->y - rect->h, rect->w, rect->h);
+        data->glScissor(renderer->viewport.x + rect->x, renderer->viewport.y + renderer->viewport.h - rect->y - rect->h, rect->w, rect->h);
     } else {
         data->glDisable(GL_SCISSOR_TEST);
     }
diff -r 9cec3e9af221 -r a5f1d08deb49 src/render/opengles2/SDL_render_gles2.c
--- a/src/render/opengles2/SDL_render_gles2.c
+++ b/src/render/opengles2/SDL_render_gles2.c
@@ -371,7 +371,7 @@
 
     if (!SDL_RectEmpty(rect)) {
         data->glEnable(GL_SCISSOR_TEST);
-        data->glScissor(rect->x, renderer->viewport.h - rect->y - rect->h, rect->w, rect->h);
+        data->glScissor(renderer->viewport.x + rect->x, renderer->viewport.y + renderer->viewport.h - rect->y - rect->h, rect->w, rect->h);
     } else {
         data->glDisable(GL_SCISSOR_TEST);
     }