src/gallium/drivers/freedreno/a5xx/fd5_emit.h

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #ifndef FD5_EMIT_H
  28 #define FD5_EMIT_H
  29
  30 #include "pipe/p_context.h"
  31
  32 #include "freedreno_context.h"
  33 #include "fd5_context.h"
  34 #include "fd5_format.h"
  35 #include "fd5_program.h"
  36 #include "ir3_shader.h"
  37
  38 struct fd_ringbuffer;
  39
  40 /* grouped together emit-state for prog/vertex/state emit: */
  41 struct fd5_emit {
  42         struct pipe_debug_callback *debug;
  43         const struct fd_vertex_state *vtx;
  44         const struct fd_program_stateobj *prog;
  45         const struct pipe_draw_info *info;
  46         struct ir3_shader_key key;
  47         enum fd_dirty_3d_state dirty;
  48
  49         uint32_t sprite_coord_enable;  /* bitmask */
  50         bool sprite_coord_mode;
  51         bool rasterflat;
  52         bool no_decode_srgb;
  53
  54         /* in binning pass, we don't have real frag shader, so we
  55          * don't know if real draw disqualifies lrz write.  So just
  56          * figure that out up-front and stash it in the emit.
  57          */
  58         bool no_lrz_write;
  59
  60         /* cached to avoid repeated lookups of same variants: */
  61         const struct ir3_shader_variant *vp, *fp;
  62         /* TODO: other shader stages.. */
  63
  64         unsigned streamout_mask;
  65 };
  66
  67 static inline enum a5xx_color_fmt fd5_emit_format(struct pipe_surface *surf)
  68 {
  69         if (!surf)
  70                 return 0;
  71         return fd5_pipe2color(surf->format);
  72 }
  73
  74 static inline const struct ir3_shader_variant *
  75 fd5_emit_get_vp(struct fd5_emit *emit)
  76 {
  77         if (!emit->vp) {
  78                 struct fd5_shader_stateobj *so = emit->prog->vp;
  79                 emit->vp = ir3_shader_variant(so->shader, emit->key, emit->debug);
  80         }
  81         return emit->vp;
  82 }
  83
  84 static inline const struct ir3_shader_variant *
  85 fd5_emit_get_fp(struct fd5_emit *emit)
  86 {
  87         if (!emit->fp) {
  88                 if (emit->key.binning_pass) {
  89                         /* use dummy stateobj to simplify binning vs non-binning: */
  90                         static const struct ir3_shader_variant binning_fp = {};
  91                         emit->fp = &binning_fp;
  92                 } else {
  93                         struct fd5_shader_stateobj *so = emit->prog->fp;
  94                         emit->fp = ir3_shader_variant(so->shader, emit->key, emit->debug);
  95                 }
  96         }
  97         return emit->fp;
  98 }
  99
 100 static inline void
 101 fd5_cache_flush(struct fd_batch *batch, struct fd_ringbuffer *ring)
 102 {
 103         fd_reset_wfi(batch);
 104         OUT_PKT4(ring, REG_A5XX_UCHE_CACHE_INVALIDATE_MIN_LO, 5);
 105         OUT_RING(ring, 0x00000000);   /* UCHE_CACHE_INVALIDATE_MIN_LO */
 106         OUT_RING(ring, 0x00000000);   /* UCHE_CACHE_INVALIDATE_MIN_HI */
 107         OUT_RING(ring, 0x00000000);   /* UCHE_CACHE_INVALIDATE_MAX_LO */
 108         OUT_RING(ring, 0x00000000);   /* UCHE_CACHE_INVALIDATE_MAX_HI */
 109         OUT_RING(ring, 0x00000012);   /* UCHE_CACHE_INVALIDATE */
 110         fd_wfi(batch, ring);
 111 }
 112
 113 static inline void
 114 fd5_set_render_mode(struct fd_context *ctx, struct fd_ringbuffer *ring,
 115                 enum render_mode_cmd mode)
 116 {
 117         /* TODO add preemption support, gmem bypass, etc */
 118         emit_marker5(ring, 7);
 119         OUT_PKT7(ring, CP_SET_RENDER_MODE, 5);
 120         OUT_RING(ring, CP_SET_RENDER_MODE_0_MODE(mode));
 121         OUT_RING(ring, 0x00000000);   /* ADDR_LO */
 122         OUT_RING(ring, 0x00000000);   /* ADDR_HI */
 123         OUT_RING(ring, COND(mode == GMEM, CP_SET_RENDER_MODE_3_GMEM_ENABLE) |
 124                         COND(mode == BINNING, CP_SET_RENDER_MODE_3_VSC_ENABLE));
 125         OUT_RING(ring, 0x00000000);
 126         emit_marker5(ring, 7);
 127 }
 128
 129 static inline void
 130 fd5_emit_blit(struct fd_context *ctx, struct fd_ringbuffer *ring)
 131 {
 132         struct fd5_context *fd5_ctx = fd5_context(ctx);
 133
 134         emit_marker5(ring, 7);
 135
 136         OUT_PKT7(ring, CP_EVENT_WRITE, 4);
 137         OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(BLIT));
 138         OUT_RELOCW(ring, fd5_ctx->blit_mem, 0, 0, 0);  /* ADDR_LO/HI */
 139         OUT_RING(ring, 0x00000000);
 140
 141         emit_marker5(ring, 7);
 142 }
 143
 144 static inline void
 145 fd5_emit_render_cntl(struct fd_context *ctx, bool blit, bool binning)
 146 {
 147         struct fd_ringbuffer *ring = binning ? ctx->batch->binning : ctx->batch->draw;
 148
 149         /* TODO eventually this partially depends on the pfb state, ie.
 150          * which of the cbuf(s)/zsbuf has an UBWC flag buffer.. that part
 151          * we could probably cache and just regenerate if framebuffer
 152          * state is dirty (or something like that)..
 153          *
 154          * Other bits seem to depend on query state, like if samples-passed
 155          * query is active.
 156          */
 157         bool samples_passed = (fd5_context(ctx)->samples_passed_queries > 0);
 158         OUT_PKT4(ring, REG_A5XX_RB_RENDER_CNTL, 1);
 159         OUT_RING(ring, 0x00000000 |   /* RB_RENDER_CNTL */
 160                         COND(binning, A5XX_RB_RENDER_CNTL_BINNING_PASS) |
 161                         COND(binning, A5XX_RB_RENDER_CNTL_DISABLE_COLOR_PIPE) |
 162                         COND(samples_passed, A5XX_RB_RENDER_CNTL_SAMPLES_PASSED) |
 163                         COND(!blit, 0x8));
 164
 165         OUT_PKT4(ring, REG_A5XX_GRAS_SC_CNTL, 1);
 166         OUT_RING(ring, 0x00000008 |   /* GRAS_SC_CNTL */
 167                         COND(binning, A5XX_GRAS_SC_CNTL_BINNING_PASS) |
 168                         COND(samples_passed, A5XX_GRAS_SC_CNTL_SAMPLES_PASSED));
 169 }
 170
 171 static inline void
 172 fd5_emit_lrz_flush(struct fd_ringbuffer *ring)
 173 {
 174         /* TODO I think the extra writes to GRAS_LRZ_CNTL are probably
 175          * a workaround and not needed on all a5xx.
 176          */
 177         OUT_PKT4(ring, REG_A5XX_GRAS_LRZ_CNTL, 1);
 178         OUT_RING(ring, A5XX_GRAS_LRZ_CNTL_ENABLE);
 179
 180         OUT_PKT7(ring, CP_EVENT_WRITE, 1);
 181         OUT_RING(ring, LRZ_FLUSH);
 182
 183         OUT_PKT4(ring, REG_A5XX_GRAS_LRZ_CNTL, 1);
 184         OUT_RING(ring, 0x0);
 185 }
 186
 187 void fd5_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd5_emit *emit);
 188
 189 void fd5_emit_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
 190                 struct fd5_emit *emit);
 191
 192 void fd5_emit_cs_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
 193                 struct ir3_shader_variant *cp);
 194
 195 void fd5_emit_restore(struct fd_batch *batch, struct fd_ringbuffer *ring);
 196
 197 void fd5_emit_init(struct pipe_context *pctx);
 198
 199 #endif /* FD5_EMIT_H */