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, rctx->blend);
  38         util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->dsa);
  39         if (rctx->stencil_ref) {
  40                 util_blitter_save_stencil_ref(rctx->blitter,
  41                                         &rctx->stencil_ref->state.stencil_ref);
  42         }
  43         util_blitter_save_rasterizer(rctx->blitter, rctx->rasterizer);
  44         util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
  45         util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
  46         util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
  47         if (rctx->viewport) {
  48                 util_blitter_save_viewport(rctx->blitter, &rctx->viewport->state.viewport);
  49         }
  50         /* XXX util_blitter_save_clip(rctx->blitter, &rctx->clip); */
  51         util_blitter_save_vertex_buffers(rctx->blitter, rctx->nvertex_buffer,
  52                                         rctx->vertex_buffer);
  53
  54         /* remove ptr so they don't get deleted */
  55         rctx->blend = NULL;
  56         rctx->vs_shader = NULL;
  57         rctx->ps_shader = NULL;
  58         rctx->rasterizer = NULL;
  59         rctx->dsa = NULL;
  60         rctx->vertex_elements = NULL;
  61 }
  62
  63 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
  64                        const float *rgba, double depth, unsigned stencil)
  65 {
  66         struct r600_context *rctx = r600_context(ctx);
  67         struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
  68
  69         r600_blitter_save_states(rctx);
  70         util_blitter_clear(rctx->blitter, fb->width, fb->height,
  71                                 fb->nr_cbufs, buffers, rgba, depth,
  72                                 stencil);
  73 }
  74
  75 static void r600_clear_render_target(struct pipe_context *pipe,
  76                                      struct pipe_surface *dst,
  77                                      const float *rgba,
  78                                      unsigned dstx, unsigned dsty,
  79                                      unsigned width, unsigned height)
  80 {
  81         struct r600_context *rctx = r600_context(pipe);
  82         struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
  83
  84         r600_blitter_save_states(rctx);
  85         util_blitter_save_framebuffer(rctx->blitter, fb);
  86
  87         util_blitter_clear_render_target(rctx->blitter, dst, rgba,
  88                                          dstx, dsty, width, height);
  89 }
  90
  91 static void r600_clear_depth_stencil(struct pipe_context *pipe,
  92                                      struct pipe_surface *dst,
  93                                      unsigned clear_flags,
  94                                      double depth,
  95                                      unsigned stencil,
  96                                      unsigned dstx, unsigned dsty,
  97                                      unsigned width, unsigned height)
  98 {
  99         struct r600_context *rctx = r600_context(pipe);
 100         struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
 101
 102         r600_blitter_save_states(rctx);
 103         util_blitter_save_framebuffer(rctx->blitter, fb);
 104
 105         util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
 106                                          dstx, dsty, width, height);
 107 }
 108
 109 static void r600_resource_copy_region(struct pipe_context *pipe,
 110                                       struct pipe_resource *dst,
 111                                       struct pipe_subresource subdst,
 112                                       unsigned dstx, unsigned dsty, unsigned dstz,
 113                                       struct pipe_resource *src,
 114                                       struct pipe_subresource subsrc,
 115                                       unsigned srcx, unsigned srcy, unsigned srcz,
 116                                       unsigned width, unsigned height)
 117 {
 118         util_resource_copy_region(pipe, dst, subdst, dstx, dsty, dstz,
 119                                   src, subsrc, srcx, srcy, srcz, width, height);
 120 }
 121
 122 void r600_init_blit_functions(struct r600_context *rctx)
 123 {
 124         rctx->context.clear = r600_clear;
 125         rctx->context.clear_render_target = r600_clear_render_target;
 126         rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
 127         rctx->context.resource_copy_region = r600_resource_copy_region;
 128 }