mesa/src/gallium/drivers/svga/svga_swtnl_draw.c

224 lines
7.0 KiB
C

/**********************************************************
* 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,
unsigned drawid_offset,
const struct pipe_draw_indirect_info *indirect,
const struct pipe_draw_start_count_bias *draw_one)
{
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;
ASSERTED unsigned old_num_vertex_buffers;
unsigned i;
const void *map;
boolean retried;
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SWTNLDRAWVBO);
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;
SVGA_RETRY_CHECK(svga, svga_update_state(svga, SVGA_STATE_SWTNL_DRAW), retried);
if (retried) {
svga->swtnl.new_vbuf = TRUE;
}
/*
* Map vertex buffers
*/
for (i = 0; i < svga->curr.num_vertex_buffers; i++) {
if (svga->curr.vb[i].buffer.resource) {
map = pipe_buffer_map(&svga->pipe,
svga->curr.vb[i].buffer.resource,
PIPE_MAP_READ |
PIPE_MAP_UNSYNCHRONIZED,
&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->index_size) {
if (info->has_user_indices) {
map = (ubyte *) info->index.user;
} else {
map = pipe_buffer_map(&svga->pipe, info->index.resource,
PIPE_MAP_READ |
PIPE_MAP_UNSYNCHRONIZED, &ib_transfer);
}
draw_set_indexes(draw,
(const ubyte *) map,
info->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_MAP_READ |
PIPE_MAP_UNSYNCHRONIZED,
&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, drawid_offset, indirect, draw_one, 1,
svga->patch_vertices);
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.resource) {
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;
SVGA_STATS_TIME_POP(svga_sws(svga));
return PIPE_OK;
}
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);
}