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 {
  46    struct blitter_context *b = blitter->pipe_blitter;
  47    struct ilo_context *ilo = blitter->ilo;
  48
  49    /* as documented in util/u_blitter.h */
  50    util_blitter_save_vertex_buffer_slot(b, ilo->vb.states);
  51    util_blitter_save_vertex_elements(b, (void *) ilo->ve);
  52    util_blitter_save_vertex_shader(b, ilo->vs);
  53    util_blitter_save_geometry_shader(b, ilo->gs);
  54    util_blitter_save_so_targets(b, ilo->so.count, ilo->so.states);
  55
  56    util_blitter_save_fragment_shader(b, ilo->fs);
  57    util_blitter_save_depth_stencil_alpha(b, (void *) ilo->dsa);
  58    util_blitter_save_blend(b, (void *) ilo->blend);
  59
  60    /* undocumented? */
  61    util_blitter_save_viewport(b, &ilo->viewport.viewport0);
  62    util_blitter_save_stencil_ref(b, &ilo->stencil_ref);
  63    util_blitter_save_sample_mask(b, ilo->sample_mask);
  64
  65    switch (op) {
  66    case ILO_BLITTER_PIPE_BLIT:
  67    case ILO_BLITTER_PIPE_COPY:
  68       util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
  69       util_blitter_save_framebuffer(b, &ilo->fb.state);
  70
  71       util_blitter_save_render_condition(b,
  72             ilo->hw3d->render_condition.query,
  73             ilo->hw3d->render_condition.cond,
  74             ilo->hw3d->render_condition.mode);
  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       /* disable render condition? */
  85       break;
  86    case ILO_BLITTER_PIPE_CLEAR:
  87       util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
  88       util_blitter_save_framebuffer(b, &ilo->fb.state);
  89
  90       /* disable render condition? */
  91       break;
  92    case ILO_BLITTER_PIPE_CLEAR_FB:
  93       util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
  94       break;
  95    default:
  96       break;
  97    }
  98 }
  99
 100 static void
 101 ilo_blitter_pipe_end(struct ilo_blitter *blitter)
 102 {
 103 }
 104
 105 bool
 106 ilo_blitter_pipe_blit(struct ilo_blitter *blitter,
 107                       const struct pipe_blit_info *info)
 108 {
 109    struct blitter_context *b = blitter->pipe_blitter;
 110    struct pipe_blit_info skip_stencil;
 111
 112    if (util_try_blit_via_copy_region(&blitter->ilo->base, info))
 113       return true;
 114
 115    if (!util_blitter_is_blit_supported(b, info)) {
 116       /* try without stencil */
 117       if (info->mask & PIPE_MASK_S) {
 118          skip_stencil = *info;
 119          skip_stencil.mask = info->mask & ~PIPE_MASK_S;
 120
 121          if (util_blitter_is_blit_supported(blitter->pipe_blitter,
 122                                             &skip_stencil)) {
 123             ilo_warn("ignore stencil buffer blitting\n");
 124             info = &skip_stencil;
 125          }
 126       }
 127
 128       if (info != &skip_stencil) {
 129          ilo_warn("failed to blit with pipe blitter\n");
 130          return false;
 131       }
 132    }
 133
 134    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_BLIT);
 135    util_blitter_blit(b, info);
 136    ilo_blitter_pipe_end(blitter);
 137
 138    return true;
 139 }
 140
 141 bool
 142 ilo_blitter_pipe_copy_resource(struct ilo_blitter *blitter,
 143                                struct pipe_resource *dst, unsigned dst_level,
 144                                unsigned dst_x, unsigned dst_y, unsigned dst_z,
 145                                struct pipe_resource *src, unsigned src_level,
 146                                const struct pipe_box *src_box)
 147 {
 148    const unsigned mask = PIPE_MASK_RGBAZS;
 149    const bool copy_all_samples = true;
 150
 151    /* not until we allow rendertargets to be buffers */
 152    if (dst->target == PIPE_BUFFER || src->target == PIPE_BUFFER)
 153       return false;
 154
 155    if (!util_blitter_is_copy_supported(blitter->pipe_blitter, dst, src, mask))
 156       return false;
 157
 158    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_COPY);
 159
 160    util_blitter_copy_texture(blitter->pipe_blitter,
 161          dst, dst_level, dst_x, dst_y, dst_z,
 162          src, src_level, src_box,
 163          mask, copy_all_samples);
 164
 165    ilo_blitter_pipe_end(blitter);
 166
 167    return true;
 168 }
 169
 170 bool
 171 ilo_blitter_pipe_clear_rt(struct ilo_blitter *blitter,
 172                           struct pipe_surface *rt,
 173                           const union pipe_color_union *color,
 174                           unsigned x, unsigned y,
 175                           unsigned width, unsigned height)
 176 {
 177    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR);
 178
 179    util_blitter_clear_render_target(blitter->pipe_blitter,
 180          rt, color, x, y, width, height);
 181
 182    ilo_blitter_pipe_end(blitter);
 183
 184    return true;
 185 }
 186
 187 bool
 188 ilo_blitter_pipe_clear_zs(struct ilo_blitter *blitter,
 189                           struct pipe_surface *zs,
 190                           unsigned clear_flags,
 191                           double depth, unsigned stencil,
 192                           unsigned x, unsigned y,
 193                           unsigned width, unsigned height)
 194 {
 195    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR);
 196
 197    util_blitter_clear_depth_stencil(blitter->pipe_blitter,
 198          zs, clear_flags, depth, stencil, x, y, width, height);
 199
 200    ilo_blitter_pipe_end(blitter);
 201
 202    return true;
 203 }
 204
 205 bool
 206 ilo_blitter_pipe_clear_fb(struct ilo_blitter *blitter,
 207                           unsigned buffers,
 208                           const union pipe_color_union *color,
 209                           double depth, unsigned stencil)
 210 {
 211    /* TODO we should pause/resume some queries */
 212    ilo_blitter_pipe_begin(blitter, ILO_BLITTER_PIPE_CLEAR_FB);
 213
 214    util_blitter_clear(blitter->pipe_blitter,
 215          blitter->ilo->fb.state.width, blitter->ilo->fb.state.height,
 216          buffers, color, depth, stencil);
 217
 218    ilo_blitter_pipe_end(blitter);
 219
 220    return true;
 221 }