- if (r->pipe->is_texture_referenced(r->pipe, src, 0, 0) &
- PIPE_REFERENCED_FOR_WRITE)
- r->pipe->flush(r->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
-
- dst_loc[0] = dx;
- dst_loc[1] = dy;
- dst_loc[2] = width;
- dst_loc[3] = height;
- dst_bounds[0] = 0.f;
- dst_bounds[1] = 0.f;
- dst_bounds[2] = dst->width0;
- dst_bounds[3] = dst->height0;
-
- src_loc[0] = sx;
- src_loc[1] = sy;
- src_loc[2] = width;
- src_loc[3] = height;
- src_bounds[0] = 0.f;
- src_bounds[1] = 0.f;
- src_bounds[2] = src->width0;
- src_bounds[3] = src->height0;
-
- bound_rect(src_loc, src_bounds, src_shift);
- bound_rect(dst_loc, dst_bounds, dst_shift);
- shift[0] = src_shift[0] - dst_shift[0];
- shift[1] = src_shift[1] - dst_shift[1];
-
- if (shift[0] < 0)
- shift_rectx(src_loc, src_bounds, -shift[0]);
- else
- shift_rectx(dst_loc, dst_bounds, shift[0]);
-
- if (shift[1] < 0)
- shift_recty(src_loc, src_bounds, -shift[1]);
- else
- shift_recty(dst_loc, dst_bounds, shift[1]);
-
- sync_size(src_loc, dst_loc);
-
- if (src_loc[2] >= 0 && src_loc[3] >= 0 &&
- dst_loc[2] >= 0 && dst_loc[3] >= 0) {
- struct pipe_texture *temp_src = src;
-
- if (src == dst)
- temp_src = create_sampler_texture(r, src);
-
- renderer_copy_texture(r,
- temp_src,
- src_loc[0],
- src_loc[1],
- src_loc[0] + src_loc[2],
- src_loc[1] + src_loc[3],
- dst,
- dst_loc[0],
- dst_loc[1],
- dst_loc[0] + dst_loc[2],
- dst_loc[1] + dst_loc[3]);
-
- if (src == dst)
- pipe_texture_reference(&temp_src, NULL);
- }
+
+ /* XXX: could put the texcoord scaling calculation into the vertex
+ * shader.
+ */
+ s0 = sx / src_width;
+ s1 = (sx + width) / src_width;
+ t0 = sy / src_height;
+ t1 = (sy + height) / src_height;
+
+ x0 = dx;
+ x1 = dx + width;
+ y0 = dy;
+ y1 = dy + height;
+
+ /* draw quad */
+ renderer_draw_conditional(r, 4*8);
+ add_vertex_1tex(r, x0, y0, s0, t0);
+ add_vertex_1tex(r, x1, y0, s1, t0);
+ add_vertex_1tex(r, x1, y1, s1, t1);
+ add_vertex_1tex(r, x0, y1, s0, t1);