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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2014 LunarG, Inc.
*
* 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.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
#ifndef ILO_BUILDER_3D_H
#define ILO_BUILDER_3D_H
#include "genhw/genhw.h"
#include "ilo_common.h"
#include "ilo_builder_3d_top.h"
#include "ilo_builder_3d_bottom.h"
/**
* Translate a pipe primitive type to the matching hardware primitive type.
*/
static inline int
ilo_gpe_gen6_translate_pipe_prim(unsigned prim)
{
static const int prim_mapping[PIPE_PRIM_MAX] = {
[PIPE_PRIM_POINTS] = GEN6_3DPRIM_POINTLIST,
[PIPE_PRIM_LINES] = GEN6_3DPRIM_LINELIST,
[PIPE_PRIM_LINE_LOOP] = GEN6_3DPRIM_LINELOOP,
[PIPE_PRIM_LINE_STRIP] = GEN6_3DPRIM_LINESTRIP,
[PIPE_PRIM_TRIANGLES] = GEN6_3DPRIM_TRILIST,
[PIPE_PRIM_TRIANGLE_STRIP] = GEN6_3DPRIM_TRISTRIP,
[PIPE_PRIM_TRIANGLE_FAN] = GEN6_3DPRIM_TRIFAN,
[PIPE_PRIM_QUADS] = GEN6_3DPRIM_QUADLIST,
[PIPE_PRIM_QUAD_STRIP] = GEN6_3DPRIM_QUADSTRIP,
[PIPE_PRIM_POLYGON] = GEN6_3DPRIM_POLYGON,
[PIPE_PRIM_LINES_ADJACENCY] = GEN6_3DPRIM_LINELIST_ADJ,
[PIPE_PRIM_LINE_STRIP_ADJACENCY] = GEN6_3DPRIM_LINESTRIP_ADJ,
[PIPE_PRIM_TRIANGLES_ADJACENCY] = GEN6_3DPRIM_TRILIST_ADJ,
[PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY] = GEN6_3DPRIM_TRISTRIP_ADJ,
};
assert(prim_mapping[prim]);
return prim_mapping[prim];
}
static inline void
gen6_3DPRIMITIVE(struct ilo_builder *builder,
const struct pipe_draw_info *info,
const struct ilo_ib_state *ib,
bool rectlist)
{
const uint8_t cmd_len = 6;
const int prim = (rectlist) ?
GEN6_3DPRIM_RECTLIST : ilo_gpe_gen6_translate_pipe_prim(info->mode);
const int vb_access = (info->indexed) ?
GEN6_3DPRIM_DW0_ACCESS_RANDOM : GEN6_3DPRIM_DW0_ACCESS_SEQUENTIAL;
const uint32_t vb_start = info->start +
((info->indexed) ? ib->draw_start_offset : 0);
uint32_t dw0, *dw;
ILO_DEV_ASSERT(builder->dev, 6, 6);
dw0 = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) |
vb_access |
prim << GEN6_3DPRIM_DW0_TYPE__SHIFT |
(cmd_len - 2);
ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = dw0;
dw[1] = info->count;
dw[2] = vb_start;
dw[3] = info->instance_count;
dw[4] = info->start_instance;
dw[5] = info->index_bias;
}
static inline void
gen7_3DPRIMITIVE(struct ilo_builder *builder,
const struct pipe_draw_info *info,
const struct ilo_ib_state *ib,
bool rectlist)
{
const uint8_t cmd_len = 7;
const uint32_t dw0 = GEN6_RENDER_CMD(3D, 3DPRIMITIVE) | (cmd_len - 2);
const int prim = (rectlist) ?
GEN6_3DPRIM_RECTLIST : ilo_gpe_gen6_translate_pipe_prim(info->mode);
const int vb_access = (info->indexed) ?
GEN7_3DPRIM_DW1_ACCESS_RANDOM :
GEN7_3DPRIM_DW1_ACCESS_SEQUENTIAL;
const uint32_t vb_start = info->start +
((info->indexed) ? ib->draw_start_offset : 0);
uint32_t *dw;
ILO_DEV_ASSERT(builder->dev, 7, 7.5);
ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = dw0;
dw[1] = vb_access | prim;
dw[2] = info->count;
dw[3] = vb_start;
dw[4] = info->instance_count;
dw[5] = info->start_instance;
dw[6] = info->index_bias;
}
#endif /* ILO_BUILDER_3D_H */
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