OpenGL+GLES renderers: Fixed incorrect clip rectangle coords (thanks,…

… Marcel!). Fixes Bugzilla #2700.
libsdl-org · Dec 28, 2015 · f893ce3 · f893ce3
1 parent 4ae69e3
commit f893ce3
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c
@@ -1052,7 +1052,7 @@ GL_UpdateClipRect(SDL_Renderer * renderer)
             int w, h;
 
             SDL_GetRendererOutputSize(renderer, &w, &h);
-            data->glScissor(renderer->viewport.x + rect->x, (h - renderer->viewport.y - renderer->viewport.h) + rect->y, rect->w, rect->h);
+            data->glScissor(renderer->viewport.x + rect->x, h - renderer->viewport.y - rect->y - rect->h, rect->w, rect->h);
         }
     } else {
         data->glDisable(GL_SCISSOR_TEST);

diff --git a/src/render/opengles/SDL_render_gles.c b/src/render/opengles/SDL_render_gles.c
@@ -721,7 +721,7 @@ GLES_UpdateClipRect(SDL_Renderer * renderer)
             int w, h;
 
             SDL_GetRendererOutputSize(renderer, &w, &h);
-            data->glScissor(renderer->viewport.x + rect->x, (h - renderer->viewport.y - renderer->viewport.h) + rect->y, rect->w, rect->h);
+            data->glScissor(renderer->viewport.x + rect->x, h - renderer->viewport.y - rect->y - rect->h, rect->w, rect->h);
         }
     } else {
         data->glDisable(GL_SCISSOR_TEST);

diff --git a/src/render/opengles2/SDL_render_gles2.c b/src/render/opengles2/SDL_render_gles2.c
@@ -418,7 +418,7 @@ GLES2_UpdateClipRect(SDL_Renderer * renderer)
             int w, h;
 
             SDL_GetRendererOutputSize(renderer, &w, &h);
-            data->glScissor(renderer->viewport.x + rect->x, (h - renderer->viewport.y - renderer->viewport.h) + rect->y, rect->w, rect->h);
+            data->glScissor(renderer->viewport.x + rect->x, h - renderer->viewport.y - rect->y - rect->h, rect->w, rect->h);
         }
     } else {
         data->glDisable(GL_SCISSOR_TEST);