1/**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include "util/format/u_format.h"
29#include "util/u_surface.h"
30#include "sp_context.h"
31#include "sp_surface.h"
32#include "sp_query.h"
33
34static void sp_blit(struct pipe_context *pipe,
35                    const struct pipe_blit_info *info)
36{
37   struct softpipe_context *sp = softpipe_context(pipe);
38
39   if (info->render_condition_enable && !softpipe_check_render_cond(sp))
40      return;
41
42   if (info->src.resource->nr_samples > 1 &&
43       info->dst.resource->nr_samples <= 1 &&
44       !util_format_is_depth_or_stencil(info->src.resource->format) &&
45       !util_format_is_pure_integer(info->src.resource->format)) {
46      debug_printf("softpipe: color resolve unimplemented\n");
47      return;
48   }
49
50   if (util_try_blit_via_copy_region(pipe, info, sp->render_cond_query != NULL)) {
51      return; /* done */
52   }
53
54   if (!util_blitter_is_blit_supported(sp->blitter, info)) {
55      debug_printf("softpipe: blit unsupported %s -> %s\n",
56                   util_format_short_name(info->src.resource->format),
57                   util_format_short_name(info->dst.resource->format));
58      return;
59   }
60
61   /* XXX turn off occlusion and streamout queries */
62
63   util_blitter_save_vertex_buffer_slot(sp->blitter, sp->vertex_buffer);
64   util_blitter_save_vertex_elements(sp->blitter, sp->velems);
65   util_blitter_save_vertex_shader(sp->blitter, sp->vs);
66   util_blitter_save_geometry_shader(sp->blitter, sp->gs);
67   util_blitter_save_so_targets(sp->blitter, sp->num_so_targets,
68                     (struct pipe_stream_output_target**)sp->so_targets);
69   util_blitter_save_rasterizer(sp->blitter, sp->rasterizer);
70   util_blitter_save_viewport(sp->blitter, &sp->viewports[0]);
71   util_blitter_save_scissor(sp->blitter, &sp->scissors[0]);
72   util_blitter_save_fragment_shader(sp->blitter, sp->fs);
73   util_blitter_save_blend(sp->blitter, sp->blend);
74   util_blitter_save_depth_stencil_alpha(sp->blitter, sp->depth_stencil);
75   util_blitter_save_stencil_ref(sp->blitter, &sp->stencil_ref);
76   /*util_blitter_save_sample_mask(sp->blitter, sp->sample_mask);*/
77   util_blitter_save_framebuffer(sp->blitter, &sp->framebuffer);
78   util_blitter_save_fragment_sampler_states(sp->blitter,
79                     sp->num_samplers[PIPE_SHADER_FRAGMENT],
80                     (void**)sp->samplers[PIPE_SHADER_FRAGMENT]);
81   util_blitter_save_fragment_sampler_views(sp->blitter,
82                     sp->num_sampler_views[PIPE_SHADER_FRAGMENT],
83                     sp->sampler_views[PIPE_SHADER_FRAGMENT]);
84   util_blitter_save_render_condition(sp->blitter, sp->render_cond_query,
85                                      sp->render_cond_cond, sp->render_cond_mode);
86   util_blitter_blit(sp->blitter, info);
87}
88
89static void
90sp_flush_resource(struct pipe_context *pipe,
91                  struct pipe_resource *resource)
92{
93}
94
95static void
96softpipe_clear_render_target(struct pipe_context *pipe,
97                             struct pipe_surface *dst,
98                             const union pipe_color_union *color,
99                             unsigned dstx, unsigned dsty,
100                             unsigned width, unsigned height,
101                             bool render_condition_enabled)
102{
103   struct softpipe_context *softpipe = softpipe_context(pipe);
104
105   if (render_condition_enabled && !softpipe_check_render_cond(softpipe))
106      return;
107
108   util_clear_render_target(pipe, dst, color,
109                            dstx, dsty, width, height);
110}
111
112
113static void
114softpipe_clear_depth_stencil(struct pipe_context *pipe,
115                             struct pipe_surface *dst,
116                             unsigned clear_flags,
117                             double depth,
118                             unsigned stencil,
119                             unsigned dstx, unsigned dsty,
120                             unsigned width, unsigned height,
121                             bool render_condition_enabled)
122{
123   struct softpipe_context *softpipe = softpipe_context(pipe);
124
125   if (render_condition_enabled && !softpipe_check_render_cond(softpipe))
126      return;
127
128   util_clear_depth_stencil(pipe, dst, clear_flags,
129                            depth, stencil,
130                            dstx, dsty, width, height);
131}
132
133
134void
135sp_init_surface_functions(struct softpipe_context *sp)
136{
137   sp->pipe.resource_copy_region = util_resource_copy_region;
138   sp->pipe.clear_render_target = softpipe_clear_render_target;
139   sp->pipe.clear_depth_stencil = softpipe_clear_depth_stencil;
140   sp->pipe.blit = sp_blit;
141   sp->pipe.flush_resource = sp_flush_resource;
142}
143