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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

/*

 * Copyright (C) 2012 Rob Clark 

 *

 * 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 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:

 *    Rob Clark 

 */

#ifndef FREEDRENO_UTIL_H_

#define FREEDRENO_UTIL_H_

#include 

#include 

#include "pipe/p_format.h"

#include "pipe/p_state.h"

#include "util/u_debug.h"

#include "util/u_math.h"

#include "util/u_half.h"

#include "adreno_common.xml.h"

#include "adreno_pm4.xml.h"

enum adreno_rb_depth_format fd_pipe2depth(enum pipe_format format);

enum pc_di_index_size fd_pipe2index(enum pipe_format format);

enum adreno_rb_blend_factor fd_blend_factor(unsigned factor);

enum adreno_rb_blend_opcode fd_blend_func(unsigned func);

enum adreno_pa_su_sc_draw fd_polygon_mode(unsigned mode);

enum adreno_stencil_op fd_stencil_op(unsigned op);

#define FD_DBG_MSGS     0x01

#define FD_DBG_DISASM   0x02

#define FD_DBG_DCLEAR   0x04

#define FD_DBG_DGMEM    0x08

#define FD_DBG_DSCIS    0x10

extern int fd_mesa_debug;

#define DBG(fmt, ...) \

		do { if (fd_mesa_debug & FD_DBG_MSGS) \

			debug_printf("%s:%d: "fmt "\n", \

				__FUNCTION__, __LINE__, ##__VA_ARGS__); } while (0)

#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))

/* for conditionally setting boolean flag(s): */

#define COND(bool, val) ((bool) ? (val) : 0)

#define CP_REG(reg) ((0x4 << 16) | ((unsigned int)((reg) - (0x2000))))

static inline uint32_t DRAW(enum pc_di_primtype prim_type,

		enum pc_di_src_sel source_select, enum pc_di_index_size index_size,

		enum pc_di_vis_cull_mode vis_cull_mode)

{

	return (prim_type         << 0) |

			(source_select     << 6) |

			((index_size & 1)  << 11) |

			((index_size >> 1) << 13) |

			(vis_cull_mode     << 9) |

			(1                 << 14);

}

static inline enum pipe_format

pipe_surface_format(struct pipe_surface *psurf)

{

	if (!psurf)

		return PIPE_FORMAT_NONE;

	return psurf->format;

}

#define LOG_DWORDS 0

static inline void

OUT_RING(struct fd_ringbuffer *ring, uint32_t data)

{

	if (LOG_DWORDS) {

		DBG("ring[%p]: OUT_RING   %04x:  %08x", ring,

				(uint32_t)(ring->cur - ring->last_start), data);

	}

	*(ring->cur++) = data;

}

static inline void

OUT_RELOC(struct fd_ringbuffer *ring, struct fd_bo *bo,

		uint32_t offset, uint32_t or, int32_t shift)

{

	if (LOG_DWORDS) {

		DBG("ring[%p]: OUT_RELOC   %04x:  %p+%u << %d", ring,

				(uint32_t)(ring->cur - ring->last_start), bo, offset, shift);

	}

	fd_ringbuffer_reloc(ring, &(struct fd_reloc){

		.bo = bo,

		.flags = FD_RELOC_READ,

		.offset = offset,

		.or = or,

		.shift = shift,

	});

}

static inline void

OUT_RELOCW(struct fd_ringbuffer *ring, struct fd_bo *bo,

		uint32_t offset, uint32_t or, int32_t shift)

{

	if (LOG_DWORDS) {

		DBG("ring[%p]: OUT_RELOC   %04x:  %p+%u << %d", ring,

				(uint32_t)(ring->cur - ring->last_start), bo, offset, shift);

	}

	fd_ringbuffer_reloc(ring, &(struct fd_reloc){

		.bo = bo,

		.flags = FD_RELOC_READ | FD_RELOC_WRITE,

		.offset = offset,

		.or = or,

		.shift = shift,

	});

}

static inline void BEGIN_RING(struct fd_ringbuffer *ring, uint32_t ndwords)

{

	if ((ring->cur + ndwords) >= ring->end) {

		/* this probably won't really work if we have multiple tiles..

		 * but it is ok for 2d..  we might need different behavior

		 * depending on 2d or 3d pipe.

		 */

		DBG("uh oh..");

	}

}

static inline void

OUT_PKT0(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)

{

	BEGIN_RING(ring, cnt+1);

	OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));

}

static inline void

OUT_PKT3(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)

{

	BEGIN_RING(ring, cnt+1);

	OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));

}

static inline void

OUT_IB(struct fd_ringbuffer *ring, struct fd_ringmarker *start,

		struct fd_ringmarker *end)

{

	OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2);

	fd_ringbuffer_emit_reloc_ring(ring, start, end);

	OUT_RING(ring, fd_ringmarker_dwords(start, end));

}

#endif /* FREEDRENO_UTIL_H_ */