0,0 → 1,111 |
/* |
Copyright (C) Intel Corp. 2006. All Rights Reserved. |
Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to |
develop this 3D driver. |
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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: |
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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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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. |
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**********************************************************************/ |
/* |
* Authors: |
* Keith Whitwell <keith@tungstengraphics.com> |
*/ |
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#ifndef BRW_GS_H |
#define BRW_GS_H |
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#include "brw_context.h" |
#include "brw_eu.h" |
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#define MAX_GS_VERTS (4) |
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struct brw_gs_prog_key { |
GLbitfield64 attrs; |
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/** |
* Hardware primitive type being drawn, e.g. _3DPRIM_TRILIST. |
*/ |
GLuint primitive:8; |
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GLuint pv_first:1; |
GLuint need_gs_prog:1; |
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/** |
* Number of varyings that are output to transform feedback. |
*/ |
GLuint num_transform_feedback_bindings:7; /* 0-BRW_MAX_SOL_BINDINGS */ |
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/** |
* Map from the index of a transform feedback binding table entry to the |
* gl_varying_slot that should be streamed out through that binding table |
* entry. |
*/ |
unsigned char transform_feedback_bindings[BRW_MAX_SOL_BINDINGS]; |
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/** |
* Map from the index of a transform feedback binding table entry to the |
* swizzles that should be used when streaming out data through that |
* binding table entry. |
*/ |
unsigned char transform_feedback_swizzles[BRW_MAX_SOL_BINDINGS]; |
}; |
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struct brw_gs_compile { |
struct brw_compile func; |
struct brw_gs_prog_key key; |
struct brw_gs_prog_data prog_data; |
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struct { |
struct brw_reg R0; |
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/** |
* Register holding streamed vertex buffer pointers -- see the Sandy |
* Bridge PRM, volume 2 part 1, section 4.4.2 (GS Thread Payload |
* [DevSNB]). These pointers are delivered in GRF 1. |
*/ |
struct brw_reg SVBI; |
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struct brw_reg vertex[MAX_GS_VERTS]; |
struct brw_reg header; |
struct brw_reg temp; |
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/** |
* Register holding destination indices for streamed buffer writes. |
* Only used for SOL programs. |
*/ |
struct brw_reg destination_indices; |
} reg; |
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/* Number of registers used to store vertex data */ |
GLuint nr_regs; |
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struct brw_vue_map vue_map; |
}; |
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void brw_gs_quads( struct brw_gs_compile *c, struct brw_gs_prog_key *key ); |
void brw_gs_quad_strip( struct brw_gs_compile *c, struct brw_gs_prog_key *key ); |
void brw_gs_lines( struct brw_gs_compile *c ); |
void gen6_sol_program(struct brw_gs_compile *c, struct brw_gs_prog_key *key, |
unsigned num_verts, bool check_edge_flag); |
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#endif |