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/*
* Copyright (C) 2005 Vladimir Dergachev.
*
* 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 (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.
*
*/
/*
* Authors:
* Vladimir Dergachev <volodya@mindspring.com>
* Nicolai Haehnle <prefect_@gmx.net>
* Aapo Tahkola <aet@rasterburn.org>
* Ben Skeggs <darktama@iinet.net.au>
* Jerome Glisse <j.glisse@gmail.com>
*/
/* This files defines functions for accessing R300 hardware.
*/
#ifndef __R300_EMIT_H__
#define __R300_EMIT_H__
#include "glheader.h"
#include "r300_context.h"
#include "r300_cmdbuf.h"
#include "radeon_reg.h"
/* TODO: move these defines (and the ones from DRM) into r300_reg.h and sync up
* with DRM */
#define CP_PACKET0(reg, n) (RADEON_CP_PACKET0 | ((n)<<16) | ((reg)>>2))
#define CP_PACKET3( pkt, n ) \
(RADEON_CP_PACKET3 | (pkt) | ((n) << 16))
static inline uint32_t cmdpacket0(int reg, int count)
{
drm_r300_cmd_header_t cmd;
cmd.packet0.cmd_type = R300_CMD_PACKET0;
cmd.packet0.count = count;
cmd.packet0.reghi = ((unsigned int)reg & 0xFF00) >> 8;
cmd.packet0.reglo = ((unsigned int)reg & 0x00FF);
return cmd.u;
}
static inline uint32_t cmdvpu(int addr, int count)
{
drm_r300_cmd_header_t cmd;
cmd.vpu.cmd_type = R300_CMD_VPU;
cmd.vpu.count = count;
cmd.vpu.adrhi = ((unsigned int)addr & 0xFF00) >> 8;
cmd.vpu.adrlo = ((unsigned int)addr & 0x00FF);
return cmd.u;
}
static inline uint32_t cmdpacket3(int packet)
{
drm_r300_cmd_header_t cmd;
cmd.packet3.cmd_type = R300_CMD_PACKET3;
cmd.packet3.packet = packet;
return cmd.u;
}
static inline uint32_t cmdcpdelay(unsigned short count)
{
drm_r300_cmd_header_t cmd;
cmd.delay.cmd_type = R300_CMD_CP_DELAY;
cmd.delay.count = count;
return cmd.u;
}
static inline uint32_t cmdwait(unsigned char flags)
{
drm_r300_cmd_header_t cmd;
cmd.wait.cmd_type = R300_CMD_WAIT;
cmd.wait.flags = flags;
return cmd.u;
}
static inline uint32_t cmdpacify(void)
{
drm_r300_cmd_header_t cmd;
cmd.header.cmd_type = R300_CMD_END3D;
return cmd.u;
}
/**
* Prepare to write a register value to register at address reg.
* If num_extra > 0 then the following extra values are written
* to registers with address +4, +8 and so on..
*/
#define reg_start(reg, num_extra) \
do { \
int _n; \
_n=(num_extra); \
cmd = (drm_radeon_cmd_header_t*) \
r300AllocCmdBuf(rmesa, \
(_n+2), \
__FUNCTION__); \
cmd_reserved=_n+2; \
cmd_written=1; \
cmd[0].i=cmdpacket0((reg), _n+1); \
} while (0);
/**
* Emit GLuint freestyle
*/
#define e32(dword) \
do { \
if(cmd_written<cmd_reserved) { \
cmd[cmd_written].i=(dword); \
cmd_written++; \
} else { \
fprintf(stderr, \
"e32 but no previous packet " \
"declaration.\n" \
"Aborting! in %s::%s at line %d, " \
"cmd_written=%d cmd_reserved=%d\n", \
__FILE__, __FUNCTION__, __LINE__, \
cmd_written, cmd_reserved); \
_mesa_exit(-1); \
} \
} while(0)
#define efloat(f) e32(r300PackFloat32(f))
#define vsf_start_fragment(dest, length) \
do { \
int _n; \
_n = (length); \
cmd = (drm_radeon_cmd_header_t*) \
r300AllocCmdBuf(rmesa, \
(_n+1), \
__FUNCTION__); \
cmd_reserved = _n+2; \
cmd_written =1; \
cmd[0].i = cmdvpu((dest), _n/4); \
} while (0);
#define start_packet3(packet, count) \
{ \
int _n; \
GLuint _p; \
_n = (count); \
_p = (packet); \
cmd = (drm_radeon_cmd_header_t*) \
r300AllocCmdBuf(rmesa, \
(_n+3), \
__FUNCTION__); \
cmd_reserved = _n+3; \
cmd_written = 2; \
if(_n > 0x3fff) { \
fprintf(stderr,"Too big packet3 %08x: cannot " \
"store %d dwords\n", \
_p, _n); \
_mesa_exit(-1); \
} \
cmd[0].i = cmdpacket3(R300_CMD_PACKET3_RAW); \
cmd[1].i = _p | ((_n & 0x3fff)<<16); \
}
/**
* Must be sent to switch to 2d commands
*/
void static inline end_3d(r300ContextPtr rmesa)
{
drm_radeon_cmd_header_t *cmd = NULL;
cmd =
(drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa, 1, __FUNCTION__);
cmd[0].header.cmd_type = R300_CMD_END3D;
}
void static inline cp_delay(r300ContextPtr rmesa, unsigned short count)
{
drm_radeon_cmd_header_t *cmd = NULL;
cmd =
(drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa, 1, __FUNCTION__);
cmd[0].i = cmdcpdelay(count);
}
void static inline cp_wait(r300ContextPtr rmesa, unsigned char flags)
{
drm_radeon_cmd_header_t *cmd = NULL;
cmd =
(drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa, 1, __FUNCTION__);
cmd[0].i = cmdwait(flags);
}
extern int r300EmitArrays(GLcontext * ctx);
#ifdef USER_BUFFERS
void r300UseArrays(GLcontext * ctx);
#endif
extern void r300ReleaseArrays(GLcontext * ctx);
#endif
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