src/gallium/drivers/softpipe/sp_surface.c

   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/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
  34 static 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)) {
  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
  89 static void
  90 sp_flush_resource(struct pipe_context *pipe,
  91                   struct pipe_resource *resource)
  92 {
  93 }
  94
  95 static void
  96 softpipe_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 {
 102    struct softpipe_context *softpipe = softpipe_context(pipe);
 103
 104    if (!softpipe_check_render_cond(softpipe))
 105       return;
 106
 107    util_clear_render_target(pipe, dst, color,
 108                             dstx, dsty, width, height);
 109 }
 110
 111
 112 static void
 113 softpipe_clear_depth_stencil(struct pipe_context *pipe,
 114                              struct pipe_surface *dst,
 115                              unsigned clear_flags,
 116                              double depth,
 117                              unsigned stencil,
 118                              unsigned dstx, unsigned dsty,
 119                              unsigned width, unsigned height)
 120 {
 121    struct softpipe_context *softpipe = softpipe_context(pipe);
 122
 123    if (!softpipe_check_render_cond(softpipe))
 124       return;
 125
 126    util_clear_depth_stencil(pipe, dst, clear_flags,
 127                             depth, stencil,
 128                             dstx, dsty, width, height);
 129 }
 130
 131
 132 void
 133 sp_init_surface_functions(struct softpipe_context *sp)
 134 {
 135    sp->pipe.resource_copy_region = util_resource_copy_region;
 136    sp->pipe.clear_render_target = softpipe_clear_render_target;
 137    sp->pipe.clear_depth_stencil = softpipe_clear_depth_stencil;
 138    sp->pipe.blit = sp_blit;
 139    sp->pipe.flush_resource = sp_flush_resource;
 140 }