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 #include "util/u_math.h"
  38
  39 #include "adreno_common.xml.h"
  40 #include "adreno_pm4.xml.h"
  41 #include "a2xx.xml.h"
  42
  43 enum a2xx_sq_surfaceformat fd_pipe2surface(enum pipe_format format);
  44 enum a2xx_colorformatx fd_pipe2color(enum pipe_format format);
  45 enum a2xx_rb_depth_format fd_pipe2depth(enum pipe_format format);
  46 enum pc_di_index_size fd_pipe2index(enum pipe_format format);
  47 uint32_t fd_tex_swiz(enum pipe_format format, unsigned swizzle_r,
  48                 unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);
  49
  50
  51 #define FD_DBG_MSGS   0x1
  52 #define FD_DBG_DISASM 0x2
  53 extern int fd_mesa_debug;
  54
  55 #define DBG(fmt, ...) \
  56                 do { if (fd_mesa_debug & FD_DBG_MSGS) \
  57                         debug_printf("%s:%d: "fmt "\n", \
  58                                 __FUNCTION__, __LINE__, ##__VA_ARGS__); } while (0)
  59
  60 #define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
  61 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
  62
  63
  64 #define min(a, b) (((a) < (b)) ? (a) : (b))
  65 #define max(a, b) (((a) > (b)) ? (a) : (b))
  66
  67
  68 #define CP_REG(reg) ((0x4 << 16) | ((unsigned int)((reg) - (0x2000))))
  69
  70 static inline uint32_t DRAW(enum pc_di_primtype prim_type,
  71                 enum pc_di_src_sel source_select, enum pc_di_index_size index_size,
  72                 enum pc_di_vis_cull_mode vis_cull_mode)
  73 {
  74         return (prim_type         << 0) |
  75                         (source_select     << 6) |
  76                         ((index_size & 1)  << 11) |
  77                         ((index_size >> 1) << 13) |
  78                         (vis_cull_mode     << 9) |
  79                         (1                 << 14);
  80 }
  81
  82 /* convert x,y to dword */
  83 static inline uint32_t xy2d(uint16_t x, uint16_t y)
  84 {
  85         return ((y & 0x3fff) << 16) | (x & 0x3fff);
  86 }
  87
  88 #define LOG_DWORDS 0
  89
  90
  91 static inline void
  92 OUT_RING(struct fd_ringbuffer *ring, uint32_t data)
  93 {
  94         if (LOG_DWORDS) {
  95                 DBG("ring[%p]: OUT_RING   %04x:  %08x", ring,
  96                                 (uint32_t)(ring->cur - ring->last_start), data);
  97         }
  98         *(ring->cur++) = data;
  99 }
 100
 101 static inline void
 102 OUT_RELOC(struct fd_ringbuffer *ring, struct fd_bo *bo,
 103                 uint32_t offset, uint32_t or)
 104 {
 105         if (LOG_DWORDS) {
 106                 DBG("ring[%p]: OUT_RELOC  %04x:  %p+%u", ring,
 107                                 (uint32_t)(ring->cur - ring->last_start), bo, offset);
 108         }
 109         fd_ringbuffer_emit_reloc(ring, bo, offset, or);
 110 }
 111
 112 static inline void BEGIN_RING(struct fd_ringbuffer *ring, uint32_t ndwords)
 113 {
 114         if ((ring->cur + ndwords) >= ring->end) {
 115                 /* this probably won't really work if we have multiple tiles..
 116                  * but it is ok for 2d..  we might need different behavior
 117                  * depending on 2d or 3d pipe.
 118                  */
 119                 DBG("uh oh..");
 120         }
 121 }
 122
 123 static inline void
 124 OUT_PKT0(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
 125 {
 126         BEGIN_RING(ring, cnt+1);
 127         OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
 128 }
 129
 130 static inline void
 131 OUT_PKT3(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
 132 {
 133         BEGIN_RING(ring, cnt+1);
 134         OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
 135 }
 136
 137 static inline void
 138 OUT_IB(struct fd_ringbuffer *ring, struct fd_ringmarker *start,
 139                 struct fd_ringmarker *end)
 140 {
 141         OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2);
 142         fd_ringbuffer_emit_reloc_ring(ring, start);
 143         OUT_RING(ring, fd_ringmarker_dwords(start, end));
 144 }
 145
 146 #endif /* FREEDRENO_UTIL_H_ */