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/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR 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. */
#ifndef R300_CS_H
#define R300_CS_H
#include "r300_reg.h"
#include "r300_winsys.h"
/* Pack a 32-bit float into a dword. */
static uint32_t pack_float_32(float f)
{
union {
float f;
uint32_t u;
} u;
u.f = f;
return u.u;
}
/* Yes, I know macros are ugly. However, they are much prettier than the code
* that they neatly hide away, and don't have the cost of function setup,so
* we're going to use them. */
#define MAX_CS_SIZE 64 * 1024 / 4
/* XXX stolen from radeon_drm.h */
#define RADEON_GEM_DOMAIN_CPU 0x1
#define RADEON_GEM_DOMAIN_GTT 0x2
#define RADEON_GEM_DOMAIN_VRAM 0x4
/* XXX stolen from radeon_reg.h */
#define RADEON_CP_PACKET0 0x0
#define CP_PACKET0(register, count) \
(RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
#define CS_LOCALS(context) \
struct r300_winsys* cs_winsys = context->winsys; \
struct radeon_cs* cs = cs_winsys->cs
#define CHECK_CS(size) \
cs_winsys->check_cs(cs, (size))
#define BEGIN_CS(size) do { \
CHECK_CS(size); \
cs_winsys->begin_cs(cs, (size), __FILE__, __FUNCTION__, __LINE__); \
} while (0)
#define OUT_CS(value) \
cs_winsys->write_cs_dword(cs, value)
#define OUT_CS_32F(value) \
cs_winsys->write_cs_dword(cs, pack_float_32(value))
#define OUT_CS_REG(register, value) do { \
OUT_CS(CP_PACKET0(register, 0)); \
OUT_CS(value); } while (0)
/* Note: This expects count to be the number of registers,
* not the actual packet0 count! */
#define OUT_CS_REG_SEQ(register, count) do { \
OUT_CS(CP_PACKET0(register, ((count) - 1))); \
} while (0)
#define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \
OUT_CS(offset); \
cs_winsys->write_cs_reloc(cs, bo, rd, wd, flags); \
} while (0)
#define END_CS \
cs_winsys->end_cs(cs, __FILE__, __FUNCTION__, __LINE__)
#define FLUSH_CS \
cs_winsys->flush_cs(cs)
#endif /* R300_CS_H */
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