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/**********************************************************
* 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.
*
**********************************************************/
#ifndef SVGA_TGSI_H
#define SVGA_TGSI_H
#include "pipe/p_compiler.h"
#include "svga3d_reg.h"
#define MAX_VGPU10_ADDR_REGS 2
struct svga_compile_key;
struct svga_context;
struct svga_shader;
struct svga_shader_variant;
/* TGSI doesn't provide use with VS input semantics (they're actually
* pretty meaningless), so we just generate some plausible ones here.
* This is called both from within the TGSI translator and when
* building vdecls to ensure they match up.
*
* The real use of this information is matching vertex elements to
* fragment shader inputs in the case where vertex shader is disabled.
*/
static inline void svga_generate_vdecl_semantics( unsigned idx,
unsigned *usage,
unsigned *usage_index )
{
if (idx == 0) {
*usage = SVGA3D_DECLUSAGE_POSITION;
*usage_index = 0;
}
else {
*usage = SVGA3D_DECLUSAGE_TEXCOORD;
*usage_index = idx - 1;
}
}
struct svga_shader_variant *
svga_tgsi_vgpu9_translate(struct svga_context *svga,
const struct svga_shader *shader,
const struct svga_compile_key *key,
enum pipe_shader_type unit);
struct svga_shader_variant *
svga_tgsi_vgpu10_translate(struct svga_context *svga,
const struct svga_shader *shader,
const struct svga_compile_key *key,
enum pipe_shader_type unit);
boolean svga_shader_verify(const uint32_t *tokens, unsigned nr_tokens);
#endif
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