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->src.resource->nr_samples > 1 &&
  40        info->dst.resource->nr_samples <= 1 &&
  41        !util_format_is_depth_or_stencil(info->src.resource->format) &&
  42        !util_format_is_pure_integer(info->src.resource->format)) {
  43       debug_printf("softpipe: color resolve unimplemented\n");
  44       return;
  45    }
  46
  47    if (util_try_blit_via_copy_region(pipe, info)) {
  48       return; /* done */
  49    }
  50
  51    if (!util_blitter_is_blit_supported(sp->blitter, info)) {
  52       debug_printf("softpipe: blit unsupported %s -> %s\n",
  53                    util_format_short_name(info->src.resource->format),
  54                    util_format_short_name(info->dst.resource->format));
  55       return;
  56    }
  57
  58    /* XXX turn off occlusion and streamout queries */
  59
  60    util_blitter_save_vertex_buffer_slot(sp->blitter, sp->vertex_buffer);
  61    util_blitter_save_vertex_elements(sp->blitter, sp->velems);
  62    util_blitter_save_vertex_shader(sp->blitter, sp->vs);
  63    util_blitter_save_geometry_shader(sp->blitter, sp->gs);
  64    util_blitter_save_so_targets(sp->blitter, sp->num_so_targets,
  65                      (struct pipe_stream_output_target**)sp->so_targets);
  66    util_blitter_save_rasterizer(sp->blitter, sp->rasterizer);
  67    util_blitter_save_viewport(sp->blitter, &sp->viewport);
  68    util_blitter_save_scissor(sp->blitter, &sp->scissor);
  69    util_blitter_save_fragment_shader(sp->blitter, sp->fs);
  70    util_blitter_save_blend(sp->blitter, sp->blend);
  71    util_blitter_save_depth_stencil_alpha(sp->blitter, sp->depth_stencil);
  72    util_blitter_save_stencil_ref(sp->blitter, &sp->stencil_ref);
  73    /*util_blitter_save_sample_mask(sp->blitter, sp->sample_mask);*/
  74    util_blitter_save_framebuffer(sp->blitter, &sp->framebuffer);
  75    util_blitter_save_fragment_sampler_states(sp->blitter,
  76                      sp->num_samplers[PIPE_SHADER_FRAGMENT],
  77                      (void**)sp->samplers[PIPE_SHADER_FRAGMENT]);
  78    util_blitter_save_fragment_sampler_views(sp->blitter,
  79                      sp->num_sampler_views[PIPE_SHADER_FRAGMENT],
  80                      sp->sampler_views[PIPE_SHADER_FRAGMENT]);
  81    util_blitter_save_render_condition(sp->blitter, sp->render_cond_query,
  82                                       sp->render_cond_cond, sp->render_cond_mode);
  83    util_blitter_blit(sp->blitter, info);
  84 }
  85
  86 static void
  87 sp_flush_resource(struct pipe_context *pipe,
  88                   struct pipe_resource *resource)
  89 {
  90 }
  91
  92 static void
  93 softpipe_clear_render_target(struct pipe_context *pipe,
  94                              struct pipe_surface *dst,
  95                              const union pipe_color_union *color,
  96                              unsigned dstx, unsigned dsty,
  97                              unsigned width, unsigned height)
  98 {
  99    struct softpipe_context *softpipe = softpipe_context(pipe);
 100
 101    if (!softpipe_check_render_cond(softpipe))
 102       return;
 103
 104    util_clear_render_target(pipe, dst, color,
 105                             dstx, dsty, width, height);
 106 }
 107
 108
 109 static void
 110 softpipe_clear_depth_stencil(struct pipe_context *pipe,
 111                              struct pipe_surface *dst,
 112                              unsigned clear_flags,
 113                              double depth,
 114                              unsigned stencil,
 115                              unsigned dstx, unsigned dsty,
 116                              unsigned width, unsigned height)
 117 {
 118    struct softpipe_context *softpipe = softpipe_context(pipe);
 119
 120    if (!softpipe_check_render_cond(softpipe))
 121       return;
 122
 123    util_clear_depth_stencil(pipe, dst, clear_flags,
 124                             depth, stencil,
 125                             dstx, dsty, width, height);
 126 }
 127
 128
 129 void
 130 sp_init_surface_functions(struct softpipe_context *sp)
 131 {
 132    sp->pipe.resource_copy_region = util_resource_copy_region;
 133    sp->pipe.clear_render_target = softpipe_clear_render_target;
 134    sp->pipe.clear_depth_stencil = softpipe_clear_depth_stencil;
 135    sp->pipe.blit = sp_blit;
 136    sp->pipe.flush_resource = sp_flush_resource;
 137 }