gl/gles/gles2 render: fix SDL_RenderClear being affected by the clip rect in some situations.

src/render/opengl/SDL_render_gl.c

@@ -1166,9 +1166,9 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
                     data->drawstate.clear_color = color;
                 }
 
-                if (data->drawstate.cliprect_enabled) {
+                if (data->drawstate.cliprect_enabled || data->drawstate.cliprect_enabled_dirty) {
                     data->glDisable(GL_SCISSOR_TEST);
-                    data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
+                    data->drawstate.cliprect_enabled_dirty = data->drawstate.cliprect_enabled;
                 }
 
                 data->glClear(GL_COLOR_BUFFER_BIT);

src/render/opengles/SDL_render_gles.c

@@ -866,9 +866,9 @@ GLES_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vert
                     data->drawstate.clear_color = color;
                 }
 
-                if (data->drawstate.cliprect_enabled) {
+                if (data->drawstate.cliprect_enabled || data->drawstate.cliprect_enabled_dirty) {
                     data->glDisable(GL_SCISSOR_TEST);
-                    data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
+                    data->drawstate.cliprect_enabled_dirty = data->drawstate.cliprect_enabled;
                 }
 
                 data->glClear(GL_COLOR_BUFFER_BIT);

src/render/opengles2/SDL_render_gles2.c

@@ -1277,9 +1277,9 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
                     data->drawstate.clear_color = color;
                 }
 
-                if (data->drawstate.cliprect_enabled) {
+                if (data->drawstate.cliprect_enabled || data->drawstate.cliprect_enabled_dirty) {
                     data->glDisable(GL_SCISSOR_TEST);
-                    data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
+                    data->drawstate.cliprect_enabled_dirty = data->drawstate.cliprect_enabled;
                 }
 
                 data->glClear(GL_COLOR_BUFFER_BIT);