224 lines
7.0 KiB
C
224 lines
7.0 KiB
C
/**********************************************************
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* Copyright 2008-2009 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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**********************************************************/
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#include "draw/draw_context.h"
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#include "draw/draw_vbuf.h"
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#include "util/u_inlines.h"
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#include "pipe/p_state.h"
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#include "svga_context.h"
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#include "svga_screen.h"
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#include "svga_swtnl.h"
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#include "svga_state.h"
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#include "svga_swtnl_private.h"
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enum pipe_error
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svga_swtnl_draw_vbo(struct svga_context *svga,
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const struct pipe_draw_info *info,
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unsigned drawid_offset,
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const struct pipe_draw_indirect_info *indirect,
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const struct pipe_draw_start_count_bias *draw_one)
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{
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struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = { 0 };
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struct pipe_transfer *ib_transfer = NULL;
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struct pipe_transfer *cb_transfer[SVGA_MAX_CONST_BUFS] = { 0 };
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struct draw_context *draw = svga->swtnl.draw;
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ASSERTED unsigned old_num_vertex_buffers;
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unsigned i;
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const void *map;
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boolean retried;
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SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SWTNLDRAWVBO);
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assert(!svga->dirty);
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assert(svga->state.sw.need_swtnl);
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assert(draw);
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/* Make sure that the need_swtnl flag does not go away */
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svga->state.sw.in_swtnl_draw = TRUE;
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SVGA_RETRY_CHECK(svga, svga_update_state(svga, SVGA_STATE_SWTNL_DRAW), retried);
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if (retried) {
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svga->swtnl.new_vbuf = TRUE;
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}
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/*
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* Map vertex buffers
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*/
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for (i = 0; i < svga->curr.num_vertex_buffers; i++) {
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if (svga->curr.vb[i].buffer.resource) {
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map = pipe_buffer_map(&svga->pipe,
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svga->curr.vb[i].buffer.resource,
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PIPE_MAP_READ |
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PIPE_MAP_UNSYNCHRONIZED,
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&vb_transfer[i]);
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draw_set_mapped_vertex_buffer(draw, i, map, ~0);
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}
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}
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old_num_vertex_buffers = svga->curr.num_vertex_buffers;
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/* Map index buffer, if present */
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map = NULL;
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if (info->index_size) {
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if (info->has_user_indices) {
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map = (ubyte *) info->index.user;
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} else {
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map = pipe_buffer_map(&svga->pipe, info->index.resource,
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PIPE_MAP_READ |
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PIPE_MAP_UNSYNCHRONIZED, &ib_transfer);
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}
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draw_set_indexes(draw,
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(const ubyte *) map,
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info->index_size, ~0);
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}
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/* Map constant buffers */
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for (i = 0; i < ARRAY_SIZE(svga->curr.constbufs[PIPE_SHADER_VERTEX]); ++i) {
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if (svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer == NULL) {
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continue;
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}
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map = pipe_buffer_map(&svga->pipe,
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svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer,
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PIPE_MAP_READ |
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PIPE_MAP_UNSYNCHRONIZED,
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&cb_transfer[i]);
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assert(map);
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draw_set_mapped_constant_buffer(
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draw, PIPE_SHADER_VERTEX, i,
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map,
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svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer->width0);
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}
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draw_vbo(draw, info, drawid_offset, indirect, draw_one, 1,
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svga->patch_vertices);
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draw_flush(svga->swtnl.draw);
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/* Ensure the draw module didn't touch this */
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assert(old_num_vertex_buffers == svga->curr.num_vertex_buffers);
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/*
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* unmap vertex/index buffers
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*/
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for (i = 0; i < svga->curr.num_vertex_buffers; i++) {
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if (svga->curr.vb[i].buffer.resource) {
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pipe_buffer_unmap(&svga->pipe, vb_transfer[i]);
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draw_set_mapped_vertex_buffer(draw, i, NULL, 0);
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}
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}
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if (ib_transfer) {
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pipe_buffer_unmap(&svga->pipe, ib_transfer);
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draw_set_indexes(draw, NULL, 0, 0);
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}
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for (i = 0; i < ARRAY_SIZE(svga->curr.constbufs[PIPE_SHADER_VERTEX]); ++i) {
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if (svga->curr.constbufs[PIPE_SHADER_VERTEX][i].buffer) {
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pipe_buffer_unmap(&svga->pipe, cb_transfer[i]);
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}
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}
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/* Now safe to remove the need_swtnl flag in any update_state call */
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svga->state.sw.in_swtnl_draw = FALSE;
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svga->dirty |= SVGA_NEW_NEED_PIPELINE | SVGA_NEW_NEED_SWVFETCH;
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SVGA_STATS_TIME_POP(svga_sws(svga));
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return PIPE_OK;
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}
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boolean
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svga_init_swtnl(struct svga_context *svga)
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{
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struct svga_screen *screen = svga_screen(svga->pipe.screen);
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svga->swtnl.backend = svga_vbuf_render_create(svga);
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if (!svga->swtnl.backend)
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goto fail;
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/*
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* Create drawing context and plug our rendering stage into it.
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*/
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svga->swtnl.draw = draw_create(&svga->pipe);
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if (svga->swtnl.draw == NULL)
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goto fail;
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draw_set_rasterize_stage(svga->swtnl.draw,
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draw_vbuf_stage(svga->swtnl.draw, svga->swtnl.backend));
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draw_set_render(svga->swtnl.draw, svga->swtnl.backend);
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svga->blitter = util_blitter_create(&svga->pipe);
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if (!svga->blitter)
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goto fail;
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/* must be done before installing Draw stages */
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util_blitter_cache_all_shaders(svga->blitter);
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if (!screen->haveLineSmooth)
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draw_install_aaline_stage(svga->swtnl.draw, &svga->pipe);
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/* enable/disable line stipple stage depending on device caps */
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draw_enable_line_stipple(svga->swtnl.draw, !screen->haveLineStipple);
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/* always install AA point stage */
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draw_install_aapoint_stage(svga->swtnl.draw, &svga->pipe);
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/* Set wide line threshold above device limit (so we'll never really use it)
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*/
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draw_wide_line_threshold(svga->swtnl.draw,
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MAX2(screen->maxLineWidth,
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screen->maxLineWidthAA));
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if (debug_get_bool_option("SVGA_SWTNL_FSE", FALSE))
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draw_set_driver_clipping(svga->swtnl.draw, TRUE, TRUE, TRUE, FALSE);
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return TRUE;
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fail:
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if (svga->blitter)
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util_blitter_destroy(svga->blitter);
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if (svga->swtnl.backend)
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svga->swtnl.backend->destroy(svga->swtnl.backend);
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if (svga->swtnl.draw)
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draw_destroy(svga->swtnl.draw);
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return FALSE;
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}
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void
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svga_destroy_swtnl(struct svga_context *svga)
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{
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draw_destroy(svga->swtnl.draw);
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}
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