src/gallium/drivers/r600/r600_blit.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include <util/u_surface.h>
  24 #include <util/u_blitter.h>
  25 #include <util/u_format.h>
  26 #include "r600_pipe.h"
  27
  28 enum r600_blitter_op /* bitmask */
  29 {
  30         R600_CLEAR         = 1,
  31         R600_CLEAR_SURFACE = 2,
  32         R600_COPY          = 4
  33 };
  34
  35 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
  36 {
  37         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  38
  39         r600_context_queries_suspend(&rctx->ctx);
  40
  41         util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
  42         util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
  43         if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
  44                 util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  45         }
  46         util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
  47         util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  48         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  49         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  50         if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
  51                 util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
  52         }
  53         if (rctx->states[R600_PIPE_STATE_CLIP]) {
  54                 util_blitter_save_clip(rctx->blitter, &rctx->clip);
  55         }
  56         util_blitter_save_vertex_buffers(rctx->blitter, rctx->nvertex_buffer, rctx->vertex_buffer);
  57
  58         rctx->vertex_elements = NULL;
  59
  60         if (op & (R600_CLEAR_SURFACE | R600_COPY))
  61                 util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
  62
  63         if (op & R600_COPY) {
  64                 util_blitter_save_fragment_sampler_states(
  65                         rctx->blitter, rctx->ps_samplers.n_samplers,
  66                         (void**)rctx->ps_samplers.samplers);
  67
  68                 util_blitter_save_fragment_sampler_views(
  69                         rctx->blitter, rctx->ps_samplers.n_views,
  70                         (struct pipe_sampler_view**)rctx->ps_samplers.views);
  71         }
  72
  73 }
  74
  75 static void r600_blitter_end(struct pipe_context *ctx)
  76 {
  77         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  78         r600_context_queries_resume(&rctx->ctx);
  79 }
  80
  81 int r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
  82 {
  83         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  84         struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
  85         int level = 0;
  86         float depth = 1.0f;
  87         surf_tmpl.format = texture->resource.base.b.format;
  88         surf_tmpl.u.tex.level = level;
  89         surf_tmpl.u.tex.first_layer = 0;
  90         surf_tmpl.u.tex.last_layer = 0;
  91         surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
  92
  93         zsurf = ctx->create_surface(ctx, &texture->resource.base.b, &surf_tmpl);
  94
  95         surf_tmpl.format = ((struct pipe_resource*)texture->flushed_depth_texture)->format;
  96         surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
  97         cbsurf = ctx->create_surface(ctx,
  98                         (struct pipe_resource*)texture->flushed_depth_texture, &surf_tmpl);
  99
 100         if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
 101             rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
 102                 depth = 0.0f;
 103
 104         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 105         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
 106         r600_blitter_end(ctx);
 107
 108         pipe_surface_reference(&zsurf, NULL);
 109         pipe_surface_reference(&cbsurf, NULL);
 110
 111
 112         return 0;
 113 }
 114
 115 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 116                         const float *rgba, double depth, unsigned stencil)
 117 {
 118         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 119         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 120
 121         r600_blitter_begin(ctx, R600_CLEAR);
 122         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 123                                 fb->nr_cbufs, buffers, rgba, depth,
 124                                 stencil);
 125         r600_blitter_end(ctx);
 126 }
 127
 128 static void r600_clear_render_target(struct pipe_context *ctx,
 129                                      struct pipe_surface *dst,
 130                                      const float *rgba,
 131                                      unsigned dstx, unsigned dsty,
 132                                      unsigned width, unsigned height)
 133 {
 134         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 135
 136         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 137         util_blitter_clear_render_target(rctx->blitter, dst, rgba,
 138                                          dstx, dsty, width, height);
 139         r600_blitter_end(ctx);
 140 }
 141
 142 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 143                                      struct pipe_surface *dst,
 144                                      unsigned clear_flags,
 145                                      double depth,
 146                                      unsigned stencil,
 147                                      unsigned dstx, unsigned dsty,
 148                                      unsigned width, unsigned height)
 149 {
 150         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 151
 152         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 153         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 154                                          dstx, dsty, width, height);
 155         r600_blitter_end(ctx);
 156 }
 157
 158
 159
 160 /* Copy a block of pixels from one surface to another using HW. */
 161 static void r600_hw_copy_region(struct pipe_context *ctx,
 162                                 struct pipe_resource *dst,
 163                                 unsigned dst_level,
 164                                 unsigned dstx, unsigned dsty, unsigned dstz,
 165                                 struct pipe_resource *src,
 166                                 unsigned src_level,
 167                                 const struct pipe_box *src_box)
 168 {
 169         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 170
 171         r600_blitter_begin(ctx, R600_COPY);
 172         util_blitter_copy_region(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
 173                                  src, src_level, src_box, TRUE);
 174         r600_blitter_end(ctx);
 175 }
 176
 177 static void r600_resource_copy_region(struct pipe_context *ctx,
 178                                       struct pipe_resource *dst,
 179                                       unsigned dst_level,
 180                                       unsigned dstx, unsigned dsty, unsigned dstz,
 181                                       struct pipe_resource *src,
 182                                       unsigned src_level,
 183                                       const struct pipe_box *src_box)
 184 {
 185         boolean is_depth;
 186         /* there is something wrong with depth resource copies at the moment so avoid them for now */
 187         is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0;
 188         if (is_depth)
 189                 util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 190                                           src, src_level, src_box);
 191         else
 192                 r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
 193                                     src, src_level, src_box);
 194 }
 195
 196 void r600_init_blit_functions(struct r600_pipe_context *rctx)
 197 {
 198         rctx->context.clear = r600_clear;
 199         rctx->context.clear_render_target = r600_clear_render_target;
 200         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 201         rctx->context.resource_copy_region = r600_resource_copy_region;
 202 }