r600_blit.c revision 7d0418d3dc5b44ce8171cc74359306ce22234b17 
1/*
2 * Copyright 2009 Marek Olšák <maraeo@gmail.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 *      Jerome Glisse
25 *      Marek Olšák
26 */
27#include <pipe/p_screen.h>
28#include <util/u_blitter.h>
29#include <util/u_inlines.h>
30#include <util/u_memory.h>
31#include "r600_screen.h"
32#include "r600_context.h"
33
34static void r600_blitter_save_states(struct r600_context *rctx)
35{
36	util_blitter_save_blend(rctx->blitter,
37					rctx->draw->state[R600_BLEND]);
38	util_blitter_save_depth_stencil_alpha(rctx->blitter,
39					rctx->draw->state[R600_DSA]);
40	util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
41	util_blitter_save_rasterizer(rctx->blitter,
42					rctx->draw->state[R600_RASTERIZER]);
43	util_blitter_save_fragment_shader(rctx->blitter,
44					rctx->ps_shader);
45	util_blitter_save_vertex_shader(rctx->blitter,
46					rctx->vs_shader);
47	util_blitter_save_vertex_elements(rctx->blitter,
48					rctx->vertex_elements);
49	util_blitter_save_viewport(rctx->blitter,
50					&rctx->viewport);
51}
52
53static void r600_clear(struct pipe_context *ctx, unsigned buffers,
54		       const float *rgba, double depth, unsigned stencil)
55{
56	struct r600_context *rctx = r600_context(ctx);
57	struct pipe_framebuffer_state *fb = &rctx->fb_state;
58
59	r600_blitter_save_states(rctx);
60	util_blitter_clear(rctx->blitter, fb->width, fb->height,
61				fb->nr_cbufs, buffers, rgba, depth,
62				stencil);
63}
64
65static void r600_clear_render_target(struct pipe_context *pipe,
66				     struct pipe_surface *dst,
67				     const float *rgba,
68				     unsigned dstx, unsigned dsty,
69				     unsigned width, unsigned height)
70{
71}
72
73static void r600_clear_depth_stencil(struct pipe_context *pipe,
74				     struct pipe_surface *dst,
75				     unsigned clear_flags,
76				     double depth,
77				     unsigned stencil,
78				     unsigned dstx, unsigned dsty,
79				     unsigned width, unsigned height)
80{
81}
82
83static void r600_resource_copy_region(struct pipe_context *pipe,
84				      struct pipe_resource *dst,
85				      struct pipe_subresource subdst,
86				      unsigned dstx, unsigned dsty, unsigned dstz,
87				      struct pipe_resource *src,
88				      struct pipe_subresource subsrc,
89				      unsigned srcx, unsigned srcy, unsigned srcz,
90				      unsigned width, unsigned height)
91{
92}
93
94void r600_init_blit_functions(struct r600_context *rctx)
95{
96	rctx->context.clear = r600_clear;
97	rctx->context.clear_render_target = r600_clear_render_target;
98	rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
99	rctx->context.resource_copy_region = r600_resource_copy_region;
100}
101