/********************************************************** * Copyright 2008-2009 VMware, Inc. All rights reserved. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * **********************************************************/ #include "draw/draw_context.h" #include "draw/draw_vbuf.h" #include "util/u_inlines.h" #include "pipe/p_state.h" #include "svga_context.h" #include "svga_screen.h" #include "svga_swtnl.h" #include "svga_state.h" #include "svga_swtnl_private.h" enum pipe_error svga_swtnl_draw_vbo(struct svga_context *svga, const struct pipe_draw_info *info) { struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = { 0 }; struct pipe_transfer *ib_transfer = NULL; struct pipe_transfer *cb_transfer[SVGA_MAX_CONST_BUFS] = { 0 }; struct draw_context *draw = svga->swtnl.draw; MAYBE_UNUSED unsigned old_num_vertex_buffers; unsigned i; const void *map; enum pipe_error ret; assert(!svga->dirty); assert(svga->state.sw.need_swtnl); assert(draw); /* Make sure that the need_swtnl flag does not go away */ svga->state.sw.in_swtnl_draw = TRUE; ret = svga_update_state(svga, SVGA_STATE_SWTNL_DRAW); if (ret != PIPE_OK) { svga_context_flush(svga, NULL); ret = svga_update_state(svga, SVGA_STATE_SWTNL_DRAW); svga->swtnl.new_vbuf = TRUE; assert(ret == PIPE_OK); } /* * Map vertex buffers */ for (i = 0; i < svga->curr.num_vertex_buffers; i++) { if (svga->curr.vb[i].buffer) { map = pipe_buffer_map(&svga->pipe, svga->curr.vb[i].buffer, PIPE_TRANSFER_READ, &vb_transfer[i]); draw_set_mapped_vertex_buffer(draw, i, map, ~0); } } old_num_vertex_buffers = svga->curr.num_vertex_buffers; /* Map index buffer, if present */ map = NULL; if (info->indexed && svga->curr.ib.buffer) { map = pipe_buffer_map(&svga->pipe, svga->curr.ib.buffer, PIPE_TRANSFER_READ, &ib_transfer); draw_set_indexes(draw, (const ubyte *) map + svga->curr.ib.offset, svga->curr.ib.index_size, ~0); } /* Map constant buffers */ for (i = 0; i < ARRAY_SIZE(svga->curr.constbufs[PIPE_SHADER_VERTEX]); ++i) { if (svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer == NULL) { continue; } map = pipe_buffer_map(&svga->pipe, svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer, PIPE_TRANSFER_READ, &cb_transfer[i]); assert(map); draw_set_mapped_constant_buffer( draw, PIPE_SHADER_VERTEX, i, map, svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer->width0); } draw_vbo(draw, info); draw_flush(svga->swtnl.draw); /* Ensure the draw module didn't touch this */ assert(old_num_vertex_buffers == svga->curr.num_vertex_buffers); /* * unmap vertex/index buffers */ for (i = 0; i < svga->curr.num_vertex_buffers; i++) { if (svga->curr.vb[i].buffer) { pipe_buffer_unmap(&svga->pipe, vb_transfer[i]); draw_set_mapped_vertex_buffer(draw, i, NULL, 0); } } if (ib_transfer) { pipe_buffer_unmap(&svga->pipe, ib_transfer); draw_set_indexes(draw, NULL, 0, 0); } for (i = 0; i < ARRAY_SIZE(svga->curr.constbufs[PIPE_SHADER_VERTEX]); ++i) { if (svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer) { pipe_buffer_unmap(&svga->pipe, cb_transfer[i]); } } /* Now safe to remove the need_swtnl flag in any update_state call */ svga->state.sw.in_swtnl_draw = FALSE; svga->dirty |= SVGA_NEW_NEED_PIPELINE | SVGA_NEW_NEED_SWVFETCH; return ret; } boolean svga_init_swtnl( struct svga_context *svga ) { struct svga_screen *screen = svga_screen(svga->pipe.screen); svga->swtnl.backend = svga_vbuf_render_create(svga); if(!svga->swtnl.backend) goto fail; /* * Create drawing context and plug our rendering stage into it. */ svga->swtnl.draw = draw_create(&svga->pipe); if (svga->swtnl.draw == NULL) goto fail; draw_set_rasterize_stage(svga->swtnl.draw, draw_vbuf_stage( svga->swtnl.draw, svga->swtnl.backend )); draw_set_render(svga->swtnl.draw, svga->swtnl.backend); svga->blitter = util_blitter_create(&svga->pipe); if (!svga->blitter) goto fail; /* must be done before installing Draw stages */ util_blitter_cache_all_shaders(svga->blitter); if (!screen->haveLineSmooth) draw_install_aaline_stage(svga->swtnl.draw, &svga->pipe); /* enable/disable line stipple stage depending on device caps */ draw_enable_line_stipple(svga->swtnl.draw, !screen->haveLineStipple); /* always install AA point stage */ draw_install_aapoint_stage(svga->swtnl.draw, &svga->pipe); /* Set wide line threshold above device limit (so we'll never really use it) */ draw_wide_line_threshold(svga->swtnl.draw, MAX2(screen->maxLineWidth, screen->maxLineWidthAA)); if (debug_get_bool_option("SVGA_SWTNL_FSE", FALSE)) draw_set_driver_clipping(svga->swtnl.draw, TRUE, TRUE, TRUE, FALSE); return TRUE; fail: if (svga->blitter) util_blitter_destroy(svga->blitter); if (svga->swtnl.backend) svga->swtnl.backend->destroy( svga->swtnl.backend ); if (svga->swtnl.draw) draw_destroy( svga->swtnl.draw ); return FALSE; } void svga_destroy_swtnl( struct svga_context *svga ) { draw_destroy( svga->swtnl.draw ); }