[Mesa-dev] [PATCH 01/25] intel/isl: Add some basic info about RENDER_SURFACE_STATE to isl_device

Pohjolainen, Topi topi.pohjolainen at gmail.com
Tue Oct 25 09:17:57 UTC 2016


On Sat, Oct 22, 2016 at 10:50:32AM -0700, Jason Ekstrand wrote:
> Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
> ---
>  src/intel/blorp/blorp_genX_exec.h                | 33 ++++----------
>  src/intel/isl/isl.c                              | 19 ++++++++
>  src/intel/isl/isl.h                              | 11 +++++
>  src/intel/vulkan/anv_batch_chain.c               |  4 +-
>  src/intel/vulkan/genX_cmd_buffer.c               |  8 +---
>  src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 56 +++++++++++-------------
>  6 files changed, 69 insertions(+), 62 deletions(-)
> 
> diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h
> index ec0d022..d455714 100644
> --- a/src/intel/blorp/blorp_genX_exec.h
> +++ b/src/intel/blorp/blorp_genX_exec.h
> @@ -995,28 +995,13 @@ blorp_emit_depth_stencil_state(struct blorp_batch *batch,
>     return offset;
>  }
>  
> -struct surface_state_info {
> -   unsigned num_dwords;
> -   unsigned ss_align; /* Required alignment of RENDER_SURFACE_STATE in bytes */
> -   unsigned reloc_dw;
> -   unsigned aux_reloc_dw;
> -};
> -
> -static const struct surface_state_info surface_state_infos[] = {
> -   [6] = {6,  32, 1,  0},
> -   [7] = {8,  32, 1,  6},
> -   [8] = {13, 64, 8,  10},
> -   [9] = {16, 64, 8,  10},
> -};
> -
>  static void
>  blorp_emit_surface_state(struct blorp_batch *batch,
>                           const struct brw_blorp_surface_info *surface,
> -                         uint32_t *state, uint32_t state_offset,
> +                         void *state, uint32_t state_offset,
>                           bool is_render_target)
>  {
> -   const struct surface_state_info ss_info = surface_state_infos[GEN_GEN];
> -
> +   const struct isl_device *isl_dev = batch->blorp->isl_dev;
>     struct isl_surf surf = surface->surf;
>  
>     if (surf.dim == ISL_SURF_DIM_1D &&
> @@ -1038,7 +1023,7 @@ blorp_emit_surface_state(struct blorp_batch *batch,
>                         .aux_surf = &surface->aux_surf, .aux_usage = aux_usage,
>                         .mocs = mocs, .clear_color = surface->clear_color);
>  
> -   blorp_surface_reloc(batch, state_offset + ss_info.reloc_dw * 4,
> +   blorp_surface_reloc(batch, state_offset + isl_dev->ss.addr_offset,
>                         surface->addr, 0);
>  
>     if (aux_usage != ISL_AUX_USAGE_NONE) {
> @@ -1047,8 +1032,9 @@ blorp_emit_surface_state(struct blorp_batch *batch,
>         * surface buffer addresses are always 4K page alinged.
>         */
>        assert((surface->aux_addr.offset & 0xfff) == 0);
> -      blorp_surface_reloc(batch, state_offset + ss_info.aux_reloc_dw * 4,
> -                          surface->aux_addr, state[ss_info.aux_reloc_dw]);
> +      uint32_t *aux_addr = state + isl_dev->ss.aux_addr_offset;

Previously 'state' got indexed in dwords (ss_info.aux_reloc_dw). Now this
uses 'isl_dev->ss.aux_addr_offset' instead (which is in number of bytes).
Aren't we offsetting four times too far?

> +      blorp_surface_reloc(batch, state_offset + isl_dev->ss.aux_addr_offset,
> +                          surface->aux_addr, *aux_addr);
>     }
>  }
>  
> @@ -1086,14 +1072,13 @@ static void
>  blorp_emit_surface_states(struct blorp_batch *batch,
>                            const struct blorp_params *params)
>  {
> +   const struct isl_device *isl_dev = batch->blorp->isl_dev;
>     uint32_t bind_offset, surface_offsets[2];
>     void *surface_maps[2];
>  
> -   const unsigned ss_size = GENX(RENDER_SURFACE_STATE_length) * 4;
> -   const unsigned ss_align = GENX(RENDER_SURFACE_STATE_length) > 8 ? 64 : 32;
> -
>     unsigned num_surfaces = 1 + params->src.enabled;
> -   blorp_alloc_binding_table(batch, num_surfaces, ss_size, ss_align,
> +   blorp_alloc_binding_table(batch, num_surfaces,
> +                             isl_dev->ss.size, isl_dev->ss.align,
>                               &bind_offset, surface_offsets, surface_maps);
>  
>     if (params->dst.enabled) {
> diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
> index 7831c5e..ec53072 100644
> --- a/src/intel/isl/isl.c
> +++ b/src/intel/isl/isl.c
> @@ -46,6 +46,20 @@ __isl_finishme(const char *file, int line, const char *fmt, ...)
>     fprintf(stderr, "%s:%d: FINISHME: %s\n", file, line, buf);
>  }
>  
> +static const struct {
> +   uint8_t size;
> +   uint8_t align;
> +   uint8_t addr_offset;
> +   uint8_t aux_addr_offset;
> +} ss_infos[] = {
> +   [4] = {24, 32,  4},
> +   [5] = {24, 32,  4},
> +   [6] = {24, 32,  4},
> +   [7] = {32, 32,  4, 24},
> +   [8] = {52, 64, 32, 40},
> +   [9] = {64, 64, 32, 40},
> +};
> +
>  void
>  isl_device_init(struct isl_device *dev,
>                  const struct gen_device_info *info,
> @@ -67,6 +81,11 @@ isl_device_init(struct isl_device *dev,
>        assert(info->has_hiz_and_separate_stencil);
>     if (info->must_use_separate_stencil)
>        assert(ISL_DEV_USE_SEPARATE_STENCIL(dev));
> +
> +   dev->ss.size = ss_infos[ISL_DEV_GEN(dev)].size;
> +   dev->ss.align = ss_infos[ISL_DEV_GEN(dev)].align;
> +   dev->ss.addr_offset = ss_infos[ISL_DEV_GEN(dev)].addr_offset;
> +   dev->ss.aux_addr_offset = ss_infos[ISL_DEV_GEN(dev)].aux_addr_offset;
>  }
>  
>  /**
> diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
> index 11ad891..07368f9 100644
> --- a/src/intel/isl/isl.h
> +++ b/src/intel/isl/isl.h
> @@ -671,6 +671,17 @@ struct isl_device {
>     const struct gen_device_info *info;
>     bool use_separate_stencil;
>     bool has_bit6_swizzling;
> +
> +   /**
> +    * Describes the layout of a RENDER_SURFACE_STATE structure for the
> +    * current gen.
> +    */
> +   struct {
> +      uint8_t size;
> +      uint8_t align;
> +      uint8_t addr_offset;
> +      uint8_t aux_addr_offset;
> +   } ss;
>  };
>  
>  struct isl_extent2d {
> diff --git a/src/intel/vulkan/anv_batch_chain.c b/src/intel/vulkan/anv_batch_chain.c
> index dfa9abf..93425f0 100644
> --- a/src/intel/vulkan/anv_batch_chain.c
> +++ b/src/intel/vulkan/anv_batch_chain.c
> @@ -550,7 +550,9 @@ anv_cmd_buffer_alloc_binding_table(struct anv_cmd_buffer *cmd_buffer,
>  struct anv_state
>  anv_cmd_buffer_alloc_surface_state(struct anv_cmd_buffer *cmd_buffer)
>  {
> -   return anv_state_stream_alloc(&cmd_buffer->surface_state_stream, 64, 64);
> +   struct isl_device *isl_dev = &cmd_buffer->device->isl_dev;
> +   return anv_state_stream_alloc(&cmd_buffer->surface_state_stream,
> +                                 isl_dev->ss.size, isl_dev->ss.align);
>  }
>  
>  struct anv_state
> diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
> index 24e0012..ce53526 100644
> --- a/src/intel/vulkan/genX_cmd_buffer.c
> +++ b/src/intel/vulkan/genX_cmd_buffer.c
> @@ -633,14 +633,10 @@ add_surface_state_reloc(struct anv_cmd_buffer *cmd_buffer,
>                          struct anv_state state, struct anv_bo *bo,
>                          uint32_t offset)
>  {
> -   /* The address goes in SURFACE_STATE dword 1 for gens < 8 and dwords 8 and
> -    * 9 for gen8+.  We only write the first dword for gen8+ here and rely on
> -    * the initial state to set the high bits to 0. */
> -
> -   const uint32_t dword = GEN_GEN < 8 ? 1 : 8;
> +   const struct isl_device *isl_dev = &cmd_buffer->device->isl_dev;
>  
>     anv_reloc_list_add(&cmd_buffer->surface_relocs, &cmd_buffer->pool->alloc,
> -                      state.offset + dword * 4, bo, offset);
> +                      state.offset + isl_dev->ss.addr_offset, bo, offset);
>  }
>  
>  static struct anv_state
> diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> index b774294..df59541 100644
> --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> @@ -60,22 +60,16 @@ enum {
>     INTEL_AUX_BUFFER_DISABLED = 1 << 1,
>  };
>  
> -struct surface_state_info {
> -   unsigned num_dwords;
> -   unsigned ss_align; /* Required alignment of RENDER_SURFACE_STATE in bytes */
> -   unsigned reloc_dw;
> -   unsigned aux_reloc_dw;
> -   unsigned tex_mocs;
> -   unsigned rb_mocs;
> +uint32_t tex_mocs[] = {
> +   [7] = GEN7_MOCS_L3,
> +   [8] = BDW_MOCS_WB,
> +   [9] = SKL_MOCS_WB,
>  };
>  
> -static const struct surface_state_info surface_state_infos[] = {
> -   [4] = {6,  32, 1,  0},
> -   [5] = {6,  32, 1,  0},
> -   [6] = {6,  32, 1,  0},
> -   [7] = {8,  32, 1,  6,  GEN7_MOCS_L3, GEN7_MOCS_L3},
> -   [8] = {13, 64, 8,  10, BDW_MOCS_WB,  BDW_MOCS_PTE},
> -   [9] = {16, 64, 8,  10, SKL_MOCS_WB,  SKL_MOCS_PTE},
> +uint32_t rb_mocs[] = {
> +   [7] = GEN7_MOCS_L3,
> +   [8] = BDW_MOCS_PTE,
> +   [9] = SKL_MOCS_PTE,
>  };
>  
>  static void
> @@ -85,7 +79,6 @@ brw_emit_surface_state(struct brw_context *brw,
>                         uint32_t mocs, uint32_t *surf_offset, int surf_index,
>                         unsigned read_domains, unsigned write_domains)
>  {
> -   const struct surface_state_info ss_info = surface_state_infos[brw->gen];
>     uint32_t tile_x = mt->level[0].slice[0].x_offset;
>     uint32_t tile_y = mt->level[0].slice[0].y_offset;
>     uint32_t offset = mt->offset;
> @@ -155,11 +148,12 @@ brw_emit_surface_state(struct brw_context *brw,
>        clear_color = intel_miptree_get_isl_clear_color(brw, mt);
>     }
>  
> -   uint32_t *dw = __brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
> -                                    ss_info.num_dwords * 4, ss_info.ss_align,
> -                                    surf_index, surf_offset);
> +   void *state = __brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
> +                                   brw->isl_dev.ss.size,
> +                                   brw->isl_dev.ss.align,
> +                                   surf_index, surf_offset);
>  
> -   isl_surf_fill_state(&brw->isl_dev, dw, .surf = &surf, .view = &view,
> +   isl_surf_fill_state(&brw->isl_dev, state, .surf = &surf, .view = &view,
>                         .address = mt->bo->offset64 + offset,
>                         .aux_surf = aux_surf, .aux_usage = aux_usage,
>                         .aux_address = aux_offset,
> @@ -167,7 +161,7 @@ brw_emit_surface_state(struct brw_context *brw,
>                         .x_offset_sa = tile_x, .y_offset_sa = tile_y);
>  
>     drm_intel_bo_emit_reloc(brw->batch.bo,
> -                           *surf_offset + 4 * ss_info.reloc_dw,
> +                           *surf_offset + brw->isl_dev.ss.addr_offset,
>                             mt->bo, offset,
>                             read_domains, write_domains);
>  
> @@ -179,9 +173,10 @@ brw_emit_surface_state(struct brw_context *brw,
>         * an ordinary reloc to do the necessary address translation.
>         */
>        assert((aux_offset & 0xfff) == 0);
> +      uint32_t *aux_addr = state + brw->isl_dev.ss.aux_addr_offset;

Same question here.

>        drm_intel_bo_emit_reloc(brw->batch.bo,
> -                              *surf_offset + 4 * ss_info.aux_reloc_dw,
> -                              mt->mcs_mt->bo, dw[ss_info.aux_reloc_dw] & 0xfff,
> +                              *surf_offset + brw->isl_dev.ss.aux_addr_offset,
> +                              mt->mcs_mt->bo, *aux_addr & 0xfff,
>                                read_domains, write_domains);
>     }
>  }
> @@ -226,7 +221,7 @@ brw_update_renderbuffer_surface(struct brw_context *brw,
>  
>     uint32_t offset;
>     brw_emit_surface_state(brw, mt, flags, mt->target, view,
> -                          surface_state_infos[brw->gen].rb_mocs,
> +                          rb_mocs[brw->gen],
>                            &offset, surf_index,
>                            I915_GEM_DOMAIN_RENDER,
>                            I915_GEM_DOMAIN_RENDER);
> @@ -627,7 +622,7 @@ brw_update_texture_surface(struct gl_context *ctx,
>        const int flags =
>           brw_disable_aux_surface(brw, mt) ? INTEL_AUX_BUFFER_DISABLED : 0;
>        brw_emit_surface_state(brw, mt, flags, mt->target, view,
> -                             surface_state_infos[brw->gen].tex_mocs,
> +                             tex_mocs[brw->gen],
>                               surf_offset, surf_index,
>                               I915_GEM_DOMAIN_SAMPLER, 0);
>     }
> @@ -643,10 +638,9 @@ brw_emit_buffer_surface_state(struct brw_context *brw,
>                                unsigned pitch,
>                                bool rw)
>  {
> -   const struct surface_state_info ss_info = surface_state_infos[brw->gen];
> -
>     uint32_t *dw = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
> -                                  ss_info.num_dwords * 4, ss_info.ss_align,
> +                                  brw->isl_dev.ss.size,
> +                                  brw->isl_dev.ss.align,
>                                    out_offset);
>  
>     isl_buffer_fill_state(&brw->isl_dev, dw,
> @@ -654,11 +648,11 @@ brw_emit_buffer_surface_state(struct brw_context *brw,
>                           .size = buffer_size,
>                           .format = surface_format,
>                           .stride = pitch,
> -                         .mocs = ss_info.tex_mocs);
> +                         .mocs = tex_mocs[brw->gen]);
>  
>     if (bo) {
>        drm_intel_bo_emit_reloc(brw->batch.bo,
> -                              *out_offset + 4 * ss_info.reloc_dw,
> +                              *out_offset + brw->isl_dev.ss.addr_offset,
>                                bo, buffer_offset,
>                                I915_GEM_DOMAIN_SAMPLER,
>                                (rw ? I915_GEM_DOMAIN_SAMPLER : 0));
> @@ -1202,7 +1196,7 @@ update_renderbuffer_read_surfaces(struct brw_context *brw)
>              const int flags = brw->draw_aux_buffer_disabled[i] ?
>                                   INTEL_AUX_BUFFER_DISABLED : 0;
>              brw_emit_surface_state(brw, irb->mt, flags, target, view,
> -                                   surface_state_infos[brw->gen].tex_mocs,
> +                                   tex_mocs[brw->gen],
>                                     surf_offset, surf_index,
>                                     I915_GEM_DOMAIN_SAMPLER, 0);
>  
> @@ -1759,7 +1753,7 @@ update_image_surface(struct brw_context *brw,
>                 mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_RESOLVED ?
>                 INTEL_AUX_BUFFER_DISABLED : 0;
>              brw_emit_surface_state(brw, mt, flags, mt->target, view,
> -                                   surface_state_infos[brw->gen].tex_mocs,
> +                                   tex_mocs[brw->gen],
>                                     surf_offset, surf_index,
>                                     I915_GEM_DOMAIN_SAMPLER,
>                                     access == GL_READ_ONLY ? 0 :
> -- 
> 2.5.0.400.gff86faf
> 
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