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;
  85         int level = 0;
  86         float depth = 1.0f;
  87
  88         zsurf = ctx->screen->get_tex_surface(ctx->screen, &texture->resource.base.b, 0, level, 0,
  89                                              PIPE_BIND_DEPTH_STENCIL);
  90
  91         cbsurf = ctx->screen->get_tex_surface(ctx->screen,
  92                         (struct pipe_resource*)texture->flushed_depth_texture,
  93                         0, level, 0, PIPE_BIND_RENDER_TARGET);
  94
  95         if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
  96             rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
  97                 depth = 0.0f;
  98
  99         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 100         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
 101         r600_blitter_end(ctx);
 102
 103         pipe_surface_reference(&zsurf, NULL);
 104         pipe_surface_reference(&cbsurf, NULL);
 105
 106
 107         return 0;
 108 }
 109
 110 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 111                         const float *rgba, double depth, unsigned stencil)
 112 {
 113         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 114         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 115
 116         r600_blitter_begin(ctx, R600_CLEAR);
 117         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 118                                 fb->nr_cbufs, buffers, rgba, depth,
 119                                 stencil);
 120         r600_blitter_end(ctx);
 121 }
 122
 123 static void r600_clear_render_target(struct pipe_context *ctx,
 124                                      struct pipe_surface *dst,
 125                                      const float *rgba,
 126                                      unsigned dstx, unsigned dsty,
 127                                      unsigned width, unsigned height)
 128 {
 129         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 130
 131         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 132         util_blitter_clear_render_target(rctx->blitter, dst, rgba,
 133                                          dstx, dsty, width, height);
 134         r600_blitter_end(ctx);
 135 }
 136
 137 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 138                                      struct pipe_surface *dst,
 139                                      unsigned clear_flags,
 140                                      double depth,
 141                                      unsigned stencil,
 142                                      unsigned dstx, unsigned dsty,
 143                                      unsigned width, unsigned height)
 144 {
 145         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 146
 147         r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
 148         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 149                                          dstx, dsty, width, height);
 150         r600_blitter_end(ctx);
 151 }
 152
 153
 154
 155 /* Copy a block of pixels from one surface to another using HW. */
 156 static void r600_hw_copy_region(struct pipe_context *ctx,
 157                                 struct pipe_resource *dst,
 158                                 struct pipe_subresource subdst,
 159                                 unsigned dstx, unsigned dsty, unsigned dstz,
 160                                 struct pipe_resource *src,
 161                                 struct pipe_subresource subsrc,
 162                                 unsigned srcx, unsigned srcy, unsigned srcz,
 163                                 unsigned width, unsigned height)
 164 {
 165         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 166
 167         r600_blitter_begin(ctx, R600_COPY);
 168         util_blitter_copy_region(rctx->blitter, dst, subdst, dstx, dsty, dstz,
 169                                  src, subsrc, srcx, srcy, srcz, width, height,
 170                                  TRUE);
 171         r600_blitter_end(ctx);
 172 }
 173
 174 static void r600_resource_copy_region(struct pipe_context *ctx,
 175                                       struct pipe_resource *dst,
 176                                       struct pipe_subresource subdst,
 177                                       unsigned dstx, unsigned dsty, unsigned dstz,
 178                                       struct pipe_resource *src,
 179                                       struct pipe_subresource subsrc,
 180                                       unsigned srcx, unsigned srcy, unsigned srcz,
 181                                       unsigned width, unsigned height)
 182 {
 183         boolean is_depth;
 184         /* there is something wrong with depth resource copies at the moment so avoid them for now */
 185         is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0;
 186         if (is_depth)
 187                 util_resource_copy_region(ctx, dst, subdst, dstx, dsty, dstz,
 188                                           src, subsrc, srcx, srcy, srcz, width, height);
 189         else
 190                 r600_hw_copy_region(ctx, dst, subdst, dstx, dsty, dstz,
 191                                     src, subsrc, srcx, srcy, srcz, width, height);
 192 }
 193
 194 void r600_init_blit_functions(struct r600_pipe_context *rctx)
 195 {
 196         rctx->context.clear = r600_clear;
 197         rctx->context.clear_render_target = r600_clear_render_target;
 198         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 199         rctx->context.resource_copy_region = r600_resource_copy_region;
 200 }