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
  42 enum adreno_rb_depth_format fd_pipe2depth(enum pipe_format format);
  43 enum pc_di_index_size fd_pipe2index(enum pipe_format format);
  44 enum adreno_rb_blend_factor fd_blend_factor(unsigned factor);
  45 enum adreno_rb_blend_opcode fd_blend_func(unsigned func);
  46 enum adreno_pa_su_sc_draw fd_polygon_mode(unsigned mode);
  47 enum adreno_stencil_op fd_stencil_op(unsigned op);
  48
  49
  50 #define FD_DBG_MSGS   0x1
  51 #define FD_DBG_DISASM 0x2
  52 #define FD_DBG_DCLEAR 0x4
  53 #define FD_DBG_DGMEM  0x8
  54 extern int fd_mesa_debug;
  55
  56 #define DBG(fmt, ...) \
  57                 do { if (fd_mesa_debug & FD_DBG_MSGS) \
  58                         debug_printf("%s:%d: "fmt "\n", \
  59                                 __FUNCTION__, __LINE__, ##__VA_ARGS__); } while (0)
  60
  61 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
  62
  63 /* for conditionally setting boolean flag(s): */
  64 #define COND(bool, val) ((bool) ? (val) : 0)
  65
  66 #define CP_REG(reg) ((0x4 << 16) | ((unsigned int)((reg) - (0x2000))))
  67
  68 static inline uint32_t DRAW(enum pc_di_primtype prim_type,
  69                 enum pc_di_src_sel source_select, enum pc_di_index_size index_size,
  70                 enum pc_di_vis_cull_mode vis_cull_mode)
  71 {
  72         return (prim_type         << 0) |
  73                         (source_select     << 6) |
  74                         ((index_size & 1)  << 11) |
  75                         ((index_size >> 1) << 13) |
  76                         (vis_cull_mode     << 9) |
  77                         (1                 << 14);
  78 }
  79
  80 #define LOG_DWORDS 0
  81
  82
  83 static inline void
  84 OUT_RING(struct fd_ringbuffer *ring, uint32_t data)
  85 {
  86         if (LOG_DWORDS) {
  87                 DBG("ring[%p]: OUT_RING   %04x:  %08x", ring,
  88                                 (uint32_t)(ring->cur - ring->last_start), data);
  89         }
  90         *(ring->cur++) = data;
  91 }
  92
  93 static inline void
  94 OUT_RELOC(struct fd_ringbuffer *ring, struct fd_bo *bo,
  95                 uint32_t offset, uint32_t or)
  96 {
  97         if (LOG_DWORDS) {
  98                 DBG("ring[%p]: OUT_RELOC  %04x:  %p+%u", ring,
  99                                 (uint32_t)(ring->cur - ring->last_start), bo, offset);
 100         }
 101         fd_ringbuffer_emit_reloc(ring, bo, offset, or);
 102 }
 103
 104 /* shifted reloc: */
 105 static inline void
 106 OUT_RELOCS(struct fd_ringbuffer *ring, struct fd_bo *bo,
 107                 uint32_t offset, uint32_t or, int32_t shift)
 108 {
 109         if (LOG_DWORDS) {
 110                 DBG("ring[%p]: OUT_RELOCS  %04x:  %p+%u << %d", ring,
 111                                 (uint32_t)(ring->cur - ring->last_start), bo, offset, shift);
 112         }
 113         fd_ringbuffer_emit_reloc_shift(ring, bo, offset, or, shift);
 114 }
 115
 116 static inline void BEGIN_RING(struct fd_ringbuffer *ring, uint32_t ndwords)
 117 {
 118         if ((ring->cur + ndwords) >= ring->end) {
 119                 /* this probably won't really work if we have multiple tiles..
 120                  * but it is ok for 2d..  we might need different behavior
 121                  * depending on 2d or 3d pipe.
 122                  */
 123                 DBG("uh oh..");
 124         }
 125 }
 126
 127 static inline void
 128 OUT_PKT0(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
 129 {
 130         BEGIN_RING(ring, cnt+1);
 131         OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
 132 }
 133
 134 static inline void
 135 OUT_PKT3(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
 136 {
 137         BEGIN_RING(ring, cnt+1);
 138         OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
 139 }
 140
 141 static inline void
 142 OUT_IB(struct fd_ringbuffer *ring, struct fd_ringmarker *start,
 143                 struct fd_ringmarker *end)
 144 {
 145         OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2);
 146         fd_ringbuffer_emit_reloc_ring(ring, start);
 147         OUT_RING(ring, fd_ringmarker_dwords(start, end));
 148 }
 149
 150 #endif /* FREEDRENO_UTIL_H_ */