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 "r600_pipe.h"
  26
  27 static void r600_blitter_save_states(struct pipe_context *ctx)
  28 {
  29         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  30
  31         util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
  32         util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
  33         if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
  34                 util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  35         }
  36         util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
  37         util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  38         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  39         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  40         if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
  41                 util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
  42         }
  43         if (rctx->states[R600_PIPE_STATE_CLIP]) {
  44                 util_blitter_save_clip(rctx->blitter, &rctx->clip);
  45         }
  46         util_blitter_save_vertex_buffers(rctx->blitter, rctx->nvertex_buffer, rctx->vertex_buffer);
  47
  48         rctx->vertex_elements = NULL;
  49
  50         /* TODO queries */
  51 }
  52
  53 int r600_blit_uncompress_depth2(struct pipe_context *ctx, struct r600_resource_texture *texture)
  54 {
  55         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  56         struct pipe_framebuffer_state fb = *rctx->pframebuffer;
  57         struct pipe_surface *zsurf, *cbsurf;
  58         int level = 0;
  59         float depth = 1.0f;
  60
  61         r600_context_queries_suspend(&rctx->ctx);
  62         for (int i = 0; i < fb.nr_cbufs; i++) {
  63                 fb.cbufs[i] = NULL;
  64                 pipe_surface_reference(&fb.cbufs[i], rctx->pframebuffer->cbufs[i]);
  65         }
  66         fb.zsbuf = NULL;
  67         pipe_surface_reference(&fb.zsbuf, rctx->pframebuffer->zsbuf);
  68
  69         zsurf = ctx->screen->get_tex_surface(ctx->screen, &texture->resource.base.b, 0, level, 0,
  70                                              PIPE_BIND_DEPTH_STENCIL);
  71
  72         cbsurf = ctx->screen->get_tex_surface(ctx->screen,
  73                         (struct pipe_resource*)texture->flushed_depth_texture,
  74                         0, level, 0, PIPE_BIND_RENDER_TARGET);
  75
  76         r600_blitter_save_states(ctx);
  77         util_blitter_save_framebuffer(rctx->blitter, &fb);
  78
  79         if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
  80                 rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
  81                 depth = 0.0f;
  82
  83         util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
  84
  85         pipe_surface_reference(&zsurf, NULL);
  86         pipe_surface_reference(&cbsurf, NULL);
  87         for (int i = 0; i < fb.nr_cbufs; i++) {
  88                 pipe_surface_reference(&fb.cbufs[i], NULL);
  89         }
  90         pipe_surface_reference(&fb.zsbuf, NULL);
  91         r600_context_queries_resume(&rctx->ctx);
  92
  93         return 0;
  94 }
  95
  96 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
  97                         const float *rgba, double depth, unsigned stencil)
  98 {
  99         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 100         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 101
 102         r600_context_queries_suspend(&rctx->ctx);
 103         r600_blitter_save_states(ctx);
 104         util_blitter_clear(rctx->blitter, fb->width, fb->height,
 105                                 fb->nr_cbufs, buffers, rgba, depth,
 106                                 stencil);
 107         r600_context_queries_resume(&rctx->ctx);
 108 }
 109
 110 static void r600_clear_render_target(struct pipe_context *ctx,
 111                                      struct pipe_surface *dst,
 112                                      const float *rgba,
 113                                      unsigned dstx, unsigned dsty,
 114                                      unsigned width, unsigned height)
 115 {
 116         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 117         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 118
 119         r600_context_queries_suspend(&rctx->ctx);
 120         util_blitter_save_framebuffer(rctx->blitter, fb);
 121         util_blitter_clear_render_target(rctx->blitter, dst, rgba,
 122                                          dstx, dsty, width, height);
 123         r600_context_queries_resume(&rctx->ctx);
 124 }
 125
 126 static void r600_clear_depth_stencil(struct pipe_context *ctx,
 127                                      struct pipe_surface *dst,
 128                                      unsigned clear_flags,
 129                                      double depth,
 130                                      unsigned stencil,
 131                                      unsigned dstx, unsigned dsty,
 132                                      unsigned width, unsigned height)
 133 {
 134         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 135         struct pipe_framebuffer_state *fb = &rctx->framebuffer;
 136
 137         r600_context_queries_suspend(&rctx->ctx);
 138         util_blitter_save_framebuffer(rctx->blitter, fb);
 139         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 140                                          dstx, dsty, width, height);
 141         r600_context_queries_resume(&rctx->ctx);
 142 }
 143
 144
 145 static void r600_resource_copy_region(struct pipe_context *ctx,
 146                                       struct pipe_resource *dst,
 147                                       struct pipe_subresource subdst,
 148                                       unsigned dstx, unsigned dsty, unsigned dstz,
 149                                       struct pipe_resource *src,
 150                                       struct pipe_subresource subsrc,
 151                                       unsigned srcx, unsigned srcy, unsigned srcz,
 152                                       unsigned width, unsigned height)
 153 {
 154         util_resource_copy_region(ctx, dst, subdst, dstx, dsty, dstz,
 155                                   src, subsrc, srcx, srcy, srcz, width, height);
 156 }
 157
 158 void r600_init_blit_functions2(struct r600_pipe_context *rctx)
 159 {
 160         rctx->context.clear = r600_clear;
 161         rctx->context.clear_render_target = r600_clear_render_target;
 162         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 163         rctx->context.resource_copy_region = r600_resource_copy_region;
 164 }