src/gallium/drivers/freedreno/freedreno_util.h

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #ifndef FREEDRENO_UTIL_H_
  30 #define FREEDRENO_UTIL_H_
  31
  32 #include <freedreno_drmif.h>
  33 #include <freedreno_ringbuffer.h>
  34
  35 #include "pipe/p_format.h"
  36 #include "util/u_debug.h"
  37
  38 #include "freedreno_pm4.h"
  39 #include "freedreno_a2xx_reg.h"
  40
  41 enum sq_surfaceformat fd_pipe2surface(enum pipe_format format);
  42 enum rb_colorformatx fd_pipe2color(enum pipe_format format);
  43 enum rb_depth_format fd_pipe2depth(enum pipe_format format);
  44 enum pc_di_index_size fd_pipe2index(enum pipe_format format);
  45 uint32_t fd_tex_swiz(enum pipe_format format, unsigned swizzle_r,
  46                 unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);
  47
  48
  49 #define FD_DBG_MSGS   0x1
  50 #define FD_DBG_DISASM 0x2
  51 extern int fd_mesa_debug;
  52
  53 #define DBG(fmt, ...) \
  54                 do { if (fd_mesa_debug & FD_DBG_MSGS) \
  55                         debug_printf("%s:%d: "fmt "\n", \
  56                                 __FUNCTION__, __LINE__, ##__VA_ARGS__); } while (0)
  57
  58 #define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
  59 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
  60
  61
  62 #define min(a, b) (((a) < (b)) ? (a) : (b))
  63 #define max(a, b) (((a) > (b)) ? (a) : (b))
  64
  65
  66 #define LOG_DWORDS 0
  67
  68
  69 static inline void
  70 OUT_RING(struct fd_ringbuffer *ring, uint32_t data)
  71 {
  72         if (LOG_DWORDS) {
  73                 DBG("ring[%p]: OUT_RING   %04x:  %08x", ring,
  74                                 (uint32_t)(ring->cur - ring->last_start), data);
  75         }
  76         *(ring->cur++) = data;
  77 }
  78
  79 static inline void
  80 OUT_RELOC(struct fd_ringbuffer *ring, struct fd_bo *bo,
  81                 uint32_t offset, uint32_t or)
  82 {
  83         if (LOG_DWORDS) {
  84                 DBG("ring[%p]: OUT_RELOC  %04x:  %p+%u", ring,
  85                                 (uint32_t)(ring->cur - ring->last_start), bo, offset);
  86         }
  87         fd_ringbuffer_emit_reloc(ring, bo, offset, or);
  88 }
  89
  90 static inline void BEGIN_RING(struct fd_ringbuffer *ring, uint32_t ndwords)
  91 {
  92         if ((ring->cur + ndwords) >= ring->end) {
  93                 /* this probably won't really work if we have multiple tiles..
  94                  * but it is ok for 2d..  we might need different behavior
  95                  * depending on 2d or 3d pipe.
  96                  */
  97                 DBG("uh oh..");
  98         }
  99 }
 100
 101 static inline void
 102 OUT_PKT0(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
 103 {
 104         BEGIN_RING(ring, cnt+1);
 105         OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
 106 }
 107
 108 static inline void
 109 OUT_PKT3(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
 110 {
 111         BEGIN_RING(ring, cnt+1);
 112         OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
 113 }
 114
 115 static inline void
 116 OUT_IB(struct fd_ringbuffer *ring, struct fd_ringmarker *start,
 117                 struct fd_ringmarker *end)
 118 {
 119         OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2);
 120         fd_ringbuffer_emit_reloc_ring(ring, start);
 121         OUT_RING(ring, fd_ringmarker_dwords(start, end));
 122 }
 123
 124 #endif /* FREEDRENO_UTIL_H_ */