src/gallium/drivers/ilo/ilo_blitter_pipe.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "util/u_blitter.h"
  29 #include "util/u_surface.h"
  30
  31 #include "ilo_3d.h"
  32 #include "ilo_context.h"
  33 #include "ilo_blitter.h"
  34
  35 enum ilo_blitter_pipe_op {
  36    ILO_BLITTER_PIPE_BLIT,
  37    ILO_BLITTER_PIPE_COPY,
  38    ILO_BLITTER_PIPE_CLEAR,
  39    ILO_BLITTER_PIPE_CLEAR_FB,
  40 };
  41
  42 static void
  43 ilo_blitter_pipe_begin(struct ilo_blitter *blitter,
  44                        enum ilo_blitter_pipe_op op,
  45                        bool scissor_enable)
  46 {
  47    struct blitter_context *b = blitter->pipe_blitter;
  48    struct ilo_context *ilo = blitter->ilo;
  49
  50    /* vertex states */
  51    util_blitter_save_vertex_buffer_slot(b, ilo->vb.states);
  52    util_blitter_save_vertex_elements(b, (void *) ilo->ve);
  53    util_blitter_save_vertex_shader(b, ilo->vs);
  54    util_blitter_save_geometry_shader(b, ilo->gs);
  55    util_blitter_save_so_targets(b, ilo->so.count, ilo->so.states);
  56    util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
  57
  58    /* fragment states */
  59    util_blitter_save_fragment_shader(b, ilo->fs);
  60    util_blitter_save_depth_stencil_alpha(b, (void *) ilo->dsa);
  61    util_blitter_save_blend(b, (void *) ilo->blend);
  62    util_blitter_save_sample_mask(b, ilo->sample_mask);
  63    util_blitter_save_stencil_ref(b, &ilo->stencil_ref);
  64    util_blitter_save_viewport(b, &ilo->viewport.viewport0);
  65
  66    if (scissor_enable)
  67       util_blitter_save_scissor(b, &ilo->scissor.scissor0);
  68
  69    switch (op) {
  70    case ILO_BLITTER_PIPE_BLIT:
  71    case ILO_BLITTER_PIPE_COPY:
  72       /*
  73        * we are about to call util_blitter_blit() or
  74        * util_blitter_copy_texture()
  75        */
  76       util_blitter_save_fragment_sampler_states(b,
  77             ilo->sampler[PIPE_SHADER_FRAGMENT].count,
  78             (void **) ilo->sampler[PIPE_SHADER_FRAGMENT].cso);
  79
  80       util_blitter_save_fragment_sampler_views(b,
  81             ilo->view[PIPE_SHADER_FRAGMENT].count,
  82             ilo->view[PIPE_SHADER_FRAGMENT].states);
  83
  84       util_blitter_save_framebuffer(b, &ilo->fb.state);
  85
  86       /* resource_copy_region() or blit() does not honor render condition */
  87       util_blitter_save_render_condition(b,
  88             ilo->hw3d->render_condition.query,
  89             ilo->hw3d->render_condition.cond,
  90             ilo->hw3d->render_condition.mode);
  91       break;
  92    case ILO_BLITTER_PIPE_CLEAR:
  93       /*
  94        * we are about to call util_blitter_clear_render_target() or
  95        * util_blitter_clear_depth_stencil()
  96        */
  97       util_blitter_save_framebuffer(b, &ilo->fb.state);
  98       break;
  99    case ILO_BLITTER_PIPE_CLEAR_FB:
 100       /* we are about to call util_blitter_clear() */
 101       break;
 102    default:
 103       break;
 104    }
 105 }
 106
 107 static void
 108 ilo_blitter_pipe_end(struct ilo_blitter *blitter)
 109 {
 110 }
 111
 112 bool
 113 ilo_blitter_pipe_blit(struct ilo_blitter *blitter,
 114                       const struct pipe_blit_info *info)
 115 {
 116    struct blitter_context *b = blitter->pipe_blitter;
 117    struct pipe_blit_info skip_stencil;
 118
 119    if (util_try_blit_via_copy_region(&blitter->ilo->base, info))
 120       return true;
 121
 122    if (!util_blitter_is_blit_supported(b, info)) {
 123       /* try without stencil */
 124       if (info->mask & PIPE_MASK_S) {
 125          skip_stencil = *info;
 126          skip_stencil.mask = info->mask & ~PIPE_MASK_S;
 127
 128          if (util_blitter_is_blit_supported(blitter->pipe_blitter,
 129                                             &skip_stencil)) {
 130             ilo_warn("ignore stencil buffer blitting\n");
 131             info = &skip_stencil;
 132          }
 133       }
 134
 135       if (info != &skip_stencil) {
 136          ilo_warn("failed to blit with pipe blitter\n");
 137          return false;
 138       }
 139    }
 140
 141    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_BLIT,
 142          info->scissor_enable);
 143    util_blitter_blit(b, info);
 144    ilo_blitter_pipe_end(blitter);
 145
 146    return true;
 147 }
 148
 149 bool
 150 ilo_blitter_pipe_copy_resource(struct ilo_blitter *blitter,
 151                                struct pipe_resource *dst, unsigned dst_level,
 152                                unsigned dst_x, unsigned dst_y, unsigned dst_z,
 153                                struct pipe_resource *src, unsigned src_level,
 154                                const struct pipe_box *src_box)
 155 {
 156    /* not until we allow rendertargets to be buffers */
 157    if (dst->target == PIPE_BUFFER || src->target == PIPE_BUFFER)
 158       return false;
 159
 160    if (!util_blitter_is_copy_supported(blitter->pipe_blitter, dst, src))
 161       return false;
 162
 163    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_COPY, false);
 164
 165    util_blitter_copy_texture(blitter->pipe_blitter,
 166          dst, dst_level, dst_x, dst_y, dst_z,
 167          src, src_level, src_box);
 168
 169    ilo_blitter_pipe_end(blitter);
 170
 171    return true;
 172 }
 173
 174 bool
 175 ilo_blitter_pipe_clear_rt(struct ilo_blitter *blitter,
 176                           struct pipe_surface *rt,
 177                           const union pipe_color_union *color,
 178                           unsigned x, unsigned y,
 179                           unsigned width, unsigned height)
 180 {
 181    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR, false);
 182
 183    util_blitter_clear_render_target(blitter->pipe_blitter,
 184          rt, color, x, y, width, height);
 185
 186    ilo_blitter_pipe_end(blitter);
 187
 188    return true;
 189 }
 190
 191 bool
 192 ilo_blitter_pipe_clear_zs(struct ilo_blitter *blitter,
 193                           struct pipe_surface *zs,
 194                           unsigned clear_flags,
 195                           double depth, unsigned stencil,
 196                           unsigned x, unsigned y,
 197                           unsigned width, unsigned height)
 198 {
 199    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR, false);
 200
 201    util_blitter_clear_depth_stencil(blitter->pipe_blitter,
 202          zs, clear_flags, depth, stencil, x, y, width, height);
 203
 204    ilo_blitter_pipe_end(blitter);
 205
 206    return true;
 207 }
 208
 209 bool
 210 ilo_blitter_pipe_clear_fb(struct ilo_blitter *blitter,
 211                           unsigned buffers,
 212                           const union pipe_color_union *color,
 213                           double depth, unsigned stencil)
 214 {
 215    /* TODO we should pause/resume some queries */
 216    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR_FB, false);
 217
 218    util_blitter_clear(blitter->pipe_blitter,
 219          blitter->ilo->fb.state.width, blitter->ilo->fb.state.height, 1,
 220          buffers, color, depth, stencil);
 221
 222    ilo_blitter_pipe_end(blitter);
 223
 224    return true;
 225 }