diff --git a/src/sna/gen3_render.c b/src/sna/gen3_render.c
index 2c79beb0..03b4cd83 100644
--- a/src/sna/gen3_render.c
+++ b/src/sna/gen3_render.c
@@ -553,29 +553,27 @@ gen3_emit_composite_primitive_affine_source(struct sna *sna,
 	int16_t dst_y = r->dst.y + op->dst.y;
 	int src_x = r->src.x + (int)op->src.offset[0];
 	int src_y = r->src.y + (int)op->src.offset[1];
-	float sx, sy;
+	float *v;
 
-	_sna_get_transformed_coordinates(src_x + r->width, src_y + r->height,
-					 transform,
-					 &sx, &sy);
+	v = sna->render.vertices + sna->render.vertex_used;
+	sna->render.vertex_used += 12;
 
-	gen3_emit_composite_dstcoord(sna, dst_x + r->width, dst_y + r->height);
-	OUT_VERTEX(sx * op->src.scale[0]);
-	OUT_VERTEX(sy * op->src.scale[1]);
+	v[0] = dst_x + r->width;
+	v[5] = v[1] = dst_y + r->height;
+	v[8] = v[4] = dst_x;
+	v[9] = dst_y;
 
-	_sna_get_transformed_coordinates(src_x, src_y + r->height,
-					 transform,
-					 &sx, &sy);
-	gen3_emit_composite_dstcoord(sna, dst_x, dst_y + r->height);
-	OUT_VERTEX(sx * op->src.scale[0]);
-	OUT_VERTEX(sy * op->src.scale[1]);
+	_sna_get_transformed_scaled(src_x + r->width, src_y + r->height,
+				    transform, op->src.scale,
+				    &v[2], &v[3]);
 
-	_sna_get_transformed_coordinates(src_x, src_y,
-					 transform,
-					 &sx, &sy);
-	gen3_emit_composite_dstcoord(sna, dst_x, dst_y);
-	OUT_VERTEX(sx * op->src.scale[0]);
-	OUT_VERTEX(sy * op->src.scale[1]);
+	_sna_get_transformed_scaled(src_x, src_y + r->height,
+				    transform, op->src.scale,
+				    &v[6], &v[7]);
+
+	_sna_get_transformed_scaled(src_x, src_y,
+				    transform, op->src.scale,
+				    &v[10], &v[11]);
 }
 
 fastcall static void
@@ -3158,7 +3156,7 @@ gen3_emit_composite_spans_primitive_affine_source(struct sna *sna,
 						  float opacity)
 {
 	PictTransform *transform = op->base.src.transform;
-	float x, y, *v;
+	float *v;
 
 	v = sna->render.vertices + sna->render.vertex_used;
 	sna->render.vertex_used += 15;
@@ -3167,30 +3165,22 @@ gen3_emit_composite_spans_primitive_affine_source(struct sna *sna,
 	v[6]  = v[1] = op->base.dst.y + box->y2;
 	v[10] = v[5] = op->base.dst.x + box->x1;
 	v[11] = op->base.dst.y + box->y1;
-	v[4]  = opacity;
-	v[9]  = opacity;
-	v[14] = opacity;
+	v[14] = v[9] = v[4]  = opacity;
 
-	_sna_get_transformed_coordinates((int)op->base.src.offset[0] + box->x2,
-					 (int)op->base.src.offset[1] + box->y2,
-					 transform,
-					 &x, &y);
-	v[2] = x * op->base.src.scale[0];
-	v[3] = y * op->base.src.scale[1];
+	_sna_get_transformed_scaled((int)op->base.src.offset[0] + box->x2,
+				    (int)op->base.src.offset[1] + box->y2,
+				    transform, op->base.src.scale,
+				    &v[2], &v[3]);
 
-	_sna_get_transformed_coordinates((int)op->base.src.offset[0] + box->x1,
-					 (int)op->base.src.offset[1] + box->y2,
-					 transform,
-					 &x, &y);
-	v[7] = x * op->base.src.scale[0];
-	v[8] = y * op->base.src.scale[1];
+	_sna_get_transformed_scaled((int)op->base.src.offset[0] + box->x1,
+				    (int)op->base.src.offset[1] + box->y2,
+				    transform, op->base.src.scale,
+				    &v[7], &v[8]);
 
-	_sna_get_transformed_coordinates((int)op->base.src.offset[0] + box->x1,
-					 (int)op->base.src.offset[1] + box->y1,
-					 transform,
-					 &x, &y);
-	v[12] = x * op->base.src.scale[0];
-	v[13] = y * op->base.src.scale[1];
+	_sna_get_transformed_scaled((int)op->base.src.offset[0] + box->x1,
+				    (int)op->base.src.offset[1] + box->y1,
+				    transform, op->base.src.scale,
+				    &v[12], &v[13]);
 }
 
 fastcall static void