r600_blit.c revision 3e58007892cb2e89cb979ab172b7160adc84a44d 
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 "util/u_surface.h"
32#include "r600_screen.h"
33#include "r600_context.h"
34
35static void r600_blitter_save_states(struct r600_context *rctx)
36{
37	util_blitter_save_blend(rctx->blitter, rctx->blend);
38	util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->dsa);
39	if (rctx->stencil_ref) {
40		util_blitter_save_stencil_ref(rctx->blitter,
41					&rctx->stencil_ref->state.stencil_ref);
42	}
43	util_blitter_save_rasterizer(rctx->blitter, rctx->rasterizer);
44	util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
45	util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
46	util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
47	if (rctx->viewport) {
48		util_blitter_save_viewport(rctx->blitter, &rctx->viewport->state.viewport);
49	}
50	if (rctx->clip)
51 	    util_blitter_save_clip(rctx->blitter, &rctx->clip->state.clip);
52	util_blitter_save_vertex_buffers(rctx->blitter, rctx->nvertex_buffer,
53					rctx->vertex_buffer);
54
55	/* remove ptr so they don't get deleted */
56	rctx->blend = NULL;
57	rctx->clip = NULL;
58	rctx->vs_shader = NULL;
59	rctx->ps_shader = NULL;
60	rctx->rasterizer = NULL;
61	rctx->dsa = NULL;
62	rctx->vertex_elements = NULL;
63}
64
65static void r600_clear(struct pipe_context *ctx, unsigned buffers,
66		       const float *rgba, double depth, unsigned stencil)
67{
68	struct r600_context *rctx = r600_context(ctx);
69	struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
70
71	r600_blitter_save_states(rctx);
72	util_blitter_clear(rctx->blitter, fb->width, fb->height,
73				fb->nr_cbufs, buffers, rgba, depth,
74				stencil);
75}
76
77static void r600_clear_render_target(struct pipe_context *pipe,
78				     struct pipe_surface *dst,
79				     const float *rgba,
80				     unsigned dstx, unsigned dsty,
81				     unsigned width, unsigned height)
82{
83	struct r600_context *rctx = r600_context(pipe);
84	struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
85
86	r600_blitter_save_states(rctx);
87	util_blitter_save_framebuffer(rctx->blitter, fb);
88
89	util_blitter_clear_render_target(rctx->blitter, dst, rgba,
90					 dstx, dsty, width, height);
91}
92
93static void r600_clear_depth_stencil(struct pipe_context *pipe,
94				     struct pipe_surface *dst,
95				     unsigned clear_flags,
96				     double depth,
97				     unsigned stencil,
98				     unsigned dstx, unsigned dsty,
99				     unsigned width, unsigned height)
100{
101	struct r600_context *rctx = r600_context(pipe);
102	struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
103
104	r600_blitter_save_states(rctx);
105	util_blitter_save_framebuffer(rctx->blitter, fb);
106
107	util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
108					 dstx, dsty, width, height);
109}
110
111static void r600_resource_copy_region(struct pipe_context *pipe,
112				      struct pipe_resource *dst,
113				      struct pipe_subresource subdst,
114				      unsigned dstx, unsigned dsty, unsigned dstz,
115				      struct pipe_resource *src,
116				      struct pipe_subresource subsrc,
117				      unsigned srcx, unsigned srcy, unsigned srcz,
118				      unsigned width, unsigned height)
119{
120	util_resource_copy_region(pipe, dst, subdst, dstx, dsty, dstz,
121				  src, subsrc, srcx, srcy, srcz, width, height);
122}
123
124void r600_init_blit_functions(struct r600_context *rctx)
125{
126	rctx->context.clear = r600_clear;
127	rctx->context.clear_render_target = r600_clear_render_target;
128	rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
129	rctx->context.resource_copy_region = r600_resource_copy_region;
130}
131