diff -r e9d67ac0c6f8 src/render/direct3d/SDL_render_d3d.c
--- a/src/render/direct3d/SDL_render_d3d.c	Wed Jul 30 17:45:52 2014 -0700
+++ b/src/render/direct3d/SDL_render_d3d.c	Fri Aug 01 00:10:36 2014 +0430
@@ -1671,29 +1671,27 @@
     centerx = center->x;
     centery = center->y;
 
-    if (flip & SDL_FLIP_HORIZONTAL) {
-        minx = dstrect->w - centerx - 0.5f;
-        maxx = -centerx - 0.5f;
-    }
-    else {
-        minx = -centerx - 0.5f;
-        maxx = dstrect->w - centerx - 0.5f;
-    }
-
-    if (flip & SDL_FLIP_VERTICAL) {
-        miny = dstrect->h - centery - 0.5f;
-        maxy = -centery - 0.5f;
-    }
-    else {
-        miny = -centery - 0.5f;
-        maxy = dstrect->h - centery - 0.5f;
-    }
+    minx = -centerx;
+    maxx = dstrect->w - centerx;
+    miny = -centery;
+    maxy = dstrect->h - centery;
 
     minu = (float) srcrect->x / texture->w;
     maxu = (float) (srcrect->x + srcrect->w) / texture->w;
     minv = (float) srcrect->y / texture->h;
     maxv = (float) (srcrect->y + srcrect->h) / texture->h;
 
+    if (flip & SDL_FLIP_HORIZONTAL) {
+        float tmp = maxu;
+        maxu = minu;
+        minu = tmp;
+    }
+    if (flip & SDL_FLIP_VERTICAL) {
+        float tmp = maxv;
+        maxv = minv;
+        minv = tmp;
+    }
+
     color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
 
     vertices[0].x = minx;
@@ -1729,8 +1727,7 @@
     /* Rotate and translate */
     modelMatrix = MatrixMultiply(
             MatrixRotationZ((float)(M_PI * (float) angle / 180.0f)),
-            MatrixTranslation(dstrect->x + center->x, dstrect->y + center->y, 0)
-);
+            MatrixTranslation(dstrect->x + center->x - 0.5f, dstrect->y + center->y - 0.5f, 0));
     IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)&modelMatrix);
 
     D3D_UpdateTextureScaleMode(data, texturedata, 0);
diff -r e9d67ac0c6f8 src/render/direct3d11/SDL_render_d3d11.c
--- a/src/render/direct3d11/SDL_render_d3d11.c	Wed Jul 30 17:45:52 2014 -0700
+++ b/src/render/direct3d11/SDL_render_d3d11.c	Fri Aug 01 00:10:36 2014 +0430
@@ -2471,7 +2471,7 @@
 
     vertices = SDL_stack_alloc(VertexPositionColor, count);
     for (i = 0; i < min(count, 128); ++i) {
-        const VertexPositionColor v = { { points[i].x, points[i].y, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
+        const VertexPositionColor v = { { points[i].x + 0.5f, points[i].y + 0.5f, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
         vertices[i] = v;
     }
 
@@ -2510,7 +2510,7 @@
 
     vertices = SDL_stack_alloc(VertexPositionColor, count);
     for (i = 0; i < count; ++i) {
-        const VertexPositionColor v = { { points[i].x, points[i].y, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
+        const VertexPositionColor v = { { points[i].x + 0.5f, points[i].y + 0.5f, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
         vertices[i] = v;
     }
 
@@ -2529,6 +2529,7 @@
         NULL);
 
     D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP, count);
+    D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_POINTLIST, count);
     SDL_stack_free(vertices);
     return 0;
 }