src/gallium/drivers/r600/r600_blit.c

   1 /*
   2  * Copyright 2009 Marek Olšák <maraeo@gmail.com>
   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  * Authors:
  24  *      Jerome Glisse
  25  *      Marek Olšák
  26  */
  27 #include <pipe/p_screen.h>
  28 #include <util/u_blitter.h>
  29 #include <util/u_inlines.h>
  30 #include <util/u_memory.h>
  31 #include "util/u_surface.h"
  32 #include "r600_screen.h"
  33 #include "r600_context.h"
  34
  35 static void r600_blitter_save_states(struct r600_context *rctx)
  36 {
  37         util_blitter_save_blend(rctx->blitter,
  38                                         rctx->draw->state[R600_BLEND]);
  39         util_blitter_save_depth_stencil_alpha(rctx->blitter,
  40                                         rctx->draw->state[R600_DSA]);
  41         util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
  42         util_blitter_save_rasterizer(rctx->blitter,
  43                                         rctx->draw->state[R600_RASTERIZER]);
  44         util_blitter_save_fragment_shader(rctx->blitter,
  45                                         rctx->ps_shader);
  46         util_blitter_save_vertex_shader(rctx->blitter,
  47                                         rctx->vs_shader);
  48         util_blitter_save_vertex_elements(rctx->blitter,
  49                                         rctx->vertex_elements);
  50         util_blitter_save_viewport(rctx->blitter,
  51                                         &rctx->viewport);
  52         /* XXX util_blitter_save_clip(rctx->blitter, &rctx->clip); */
  53         util_blitter_save_vertex_buffers(rctx->blitter, rctx->nvertex_buffer,
  54                                          rctx->vertex_buffer);
  55 }
  56
  57 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
  58                        const float *rgba, double depth, unsigned stencil)
  59 {
  60         struct r600_context *rctx = r600_context(ctx);
  61         struct pipe_framebuffer_state *fb = &rctx->fb_state;
  62
  63         r600_blitter_save_states(rctx);
  64         util_blitter_clear(rctx->blitter, fb->width, fb->height,
  65                                 fb->nr_cbufs, buffers, rgba, depth,
  66                                 stencil);
  67 }
  68
  69 static void r600_clear_render_target(struct pipe_context *pipe,
  70                                      struct pipe_surface *dst,
  71                                      const float *rgba,
  72                                      unsigned dstx, unsigned dsty,
  73                                      unsigned width, unsigned height)
  74 {
  75         struct r600_context *rctx = r600_context(pipe);
  76
  77         r600_blitter_save_states(rctx);
  78         util_blitter_save_framebuffer(rctx->blitter, &rctx->fb_state);
  79
  80         util_blitter_clear_render_target(rctx->blitter, dst, rgba,
  81                                          dstx, dsty, width, height);
  82 }
  83
  84 static void r600_clear_depth_stencil(struct pipe_context *pipe,
  85                                      struct pipe_surface *dst,
  86                                      unsigned clear_flags,
  87                                      double depth,
  88                                      unsigned stencil,
  89                                      unsigned dstx, unsigned dsty,
  90                                      unsigned width, unsigned height)
  91 {
  92         struct r600_context *rctx = r600_context(pipe);
  93
  94         r600_blitter_save_states(rctx);
  95         util_blitter_save_framebuffer(rctx->blitter, &rctx->fb_state);
  96
  97         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
  98                                          dstx, dsty, width, height);
  99 }
 100
 101 static void r600_resource_copy_region(struct pipe_context *pipe,
 102                                       struct pipe_resource *dst,
 103                                       struct pipe_subresource subdst,
 104                                       unsigned dstx, unsigned dsty, unsigned dstz,
 105                                       struct pipe_resource *src,
 106                                       struct pipe_subresource subsrc,
 107                                       unsigned srcx, unsigned srcy, unsigned srcz,
 108                                       unsigned width, unsigned height)
 109 {
 110         util_resource_copy_region(pipe, dst, subdst, dstx, dsty, dstz,
 111                                   src, subsrc, srcx, srcy, srcz, width, height);
 112 }
 113
 114 void r600_init_blit_functions(struct r600_context *rctx)
 115 {
 116         rctx->context.clear = r600_clear;
 117         rctx->context.clear_render_target = r600_clear_render_target;
 118         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 119         rctx->context.resource_copy_region = r600_resource_copy_region;
 120 }