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/*
* Copyright © 2009 Intel Corporation
*
* 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 (including the next
* paragraph) 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
#include "brw_context.h"
#include "brw_state.h"
#include "brw_defines.h"
#include "compiler/brw_eu_defines.h"
#include "brw_util.h"
#include "intel_batchbuffer.h"
#include "main/fbobject.h"
#include "main/framebuffer.h"
bool
brw_is_drawing_points(const struct brw_context *brw)
{
/* Determine if the primitives *reaching the SF* are points */
/* _NEW_POLYGON */
if (brw->ctx.Polygon.FrontMode == GL_POINT ||
brw->ctx.Polygon.BackMode == GL_POINT) {
return true;
}
if (brw->gs.base.prog_data) {
/* BRW_NEW_GS_PROG_DATA */
return brw_gs_prog_data(brw->gs.base.prog_data)->output_topology ==
_3DPRIM_POINTLIST;
} else if (brw->tes.base.prog_data) {
/* BRW_NEW_TES_PROG_DATA */
return brw_tes_prog_data(brw->tes.base.prog_data)->output_topology ==
BRW_TESS_OUTPUT_TOPOLOGY_POINT;
} else {
/* BRW_NEW_PRIMITIVE */
return brw->primitive == _3DPRIM_POINTLIST;
}
}
bool
brw_is_drawing_lines(const struct brw_context *brw)
{
/* Determine if the primitives *reaching the SF* are points */
/* _NEW_POLYGON */
if (brw->ctx.Polygon.FrontMode == GL_LINE ||
brw->ctx.Polygon.BackMode == GL_LINE) {
return true;
}
if (brw->gs.base.prog_data) {
/* BRW_NEW_GS_PROG_DATA */
return brw_gs_prog_data(brw->gs.base.prog_data)->output_topology ==
_3DPRIM_LINESTRIP;
} else if (brw->tes.base.prog_data) {
/* BRW_NEW_TES_PROG_DATA */
return brw_tes_prog_data(brw->tes.base.prog_data)->output_topology ==
BRW_TESS_OUTPUT_TOPOLOGY_LINE;
} else {
/* BRW_NEW_PRIMITIVE */
switch (brw->primitive) {
case _3DPRIM_LINELIST:
case _3DPRIM_LINESTRIP:
case _3DPRIM_LINELOOP:
return true;
}
}
return false;
}
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