[Mesa-dev] [PATCH 1/4] intel/blorp: Use wm_prog_data instead of hand-rolling our own

Pohjolainen, Topi topi.pohjolainen at gmail.com
Wed Nov 2 07:31:49 UTC 2016


On Tue, Nov 01, 2016 at 08:09:10PM -0700, Jason Ekstrand wrote:
> ---
>  src/intel/blorp/blorp.c           | 28 +++++++---------------------
>  src/intel/blorp/blorp_blit.c      |  2 +-
>  src/intel/blorp/blorp_clear.c     |  2 +-
>  src/intel/blorp/blorp_genX_exec.h | 31 ++++++++++++++++---------------
>  src/intel/blorp/blorp_priv.h      | 31 +++----------------------------
>  5 files changed, 28 insertions(+), 66 deletions(-)
> 
> diff --git a/src/intel/blorp/blorp.c b/src/intel/blorp/blorp.c
> index 3ef3e70..402282f 100644
> --- a/src/intel/blorp/blorp.c
> +++ b/src/intel/blorp/blorp.c
> @@ -169,7 +169,7 @@ blorp_compile_fs(struct blorp_context *blorp, void *mem_ctx,
>                   struct nir_shader *nir,
>                   const struct brw_wm_prog_key *wm_key,
>                   bool use_repclear,
> -                 struct brw_blorp_prog_data *prog_data,
> +                 struct brw_wm_prog_data *wm_prog_data,
>                   unsigned *program_size)
>  {
>     const struct brw_compiler *compiler = blorp->compiler;
> @@ -177,15 +177,14 @@ blorp_compile_fs(struct blorp_context *blorp, void *mem_ctx,
>     nir->options =
>        compiler->glsl_compiler_options[MESA_SHADER_FRAGMENT].NirOptions;
>  
> -   struct brw_wm_prog_data wm_prog_data;
> -   memset(&wm_prog_data, 0, sizeof(wm_prog_data));
> +   memset(wm_prog_data, 0, sizeof(*wm_prog_data));
>  
> -   wm_prog_data.base.nr_params = 0;
> -   wm_prog_data.base.param = NULL;
> +   wm_prog_data->base.nr_params = 0;
> +   wm_prog_data->base.param = NULL;
>  
>     /* BLORP always just uses the first two binding table entries */
> -   wm_prog_data.binding_table.render_target_start = BLORP_RENDERBUFFER_BT_INDEX;
> -   wm_prog_data.base.binding_table.texture_start = BLORP_TEXTURE_BT_INDEX;
> +   wm_prog_data->binding_table.render_target_start = BLORP_RENDERBUFFER_BT_INDEX;
> +   wm_prog_data->base.binding_table.texture_start = BLORP_TEXTURE_BT_INDEX;
>  
>     nir = brw_preprocess_nir(compiler, nir);
>     nir_remove_dead_variables(nir, nir_var_shader_in);
> @@ -206,22 +205,9 @@ blorp_compile_fs(struct blorp_context *blorp, void *mem_ctx,
>  
>     const unsigned *program =
>        brw_compile_fs(compiler, blorp->driver_ctx, mem_ctx, wm_key,
> -                     &wm_prog_data, nir, NULL, -1, -1, false, use_repclear,
> +                     wm_prog_data, nir, NULL, -1, -1, false, use_repclear,
>                       NULL, program_size, NULL);
>  
> -   /* Copy the relavent bits of wm_prog_data over into the blorp prog data */
> -   prog_data->dispatch_8 = wm_prog_data.dispatch_8;
> -   prog_data->dispatch_16 = wm_prog_data.dispatch_16;
> -   prog_data->first_curbe_grf_0 = wm_prog_data.base.dispatch_grf_start_reg;
> -   prog_data->first_curbe_grf_2 = wm_prog_data.dispatch_grf_start_reg_2;
> -   prog_data->ksp_offset_2 = wm_prog_data.prog_offset_2;
> -   prog_data->persample_msaa_dispatch = wm_prog_data.persample_dispatch;
> -   prog_data->flat_inputs = wm_prog_data.flat_inputs;
> -   prog_data->num_varying_inputs = wm_prog_data.num_varying_inputs;
> -   prog_data->inputs_read = nir->info->inputs_read;
> -
> -   assert(wm_prog_data.base.nr_params == 0);
> -
>     return program;
>  }
>  
> diff --git a/src/intel/blorp/blorp_blit.c b/src/intel/blorp/blorp_blit.c
> index 8f32d2d..d1e7212 100644
> --- a/src/intel/blorp/blorp_blit.c
> +++ b/src/intel/blorp/blorp_blit.c
> @@ -1237,7 +1237,7 @@ brw_blorp_get_blit_kernel(struct blorp_context *blorp,
>  
>     const unsigned *program;
>     unsigned program_size;
> -   struct brw_blorp_prog_data prog_data;
> +   struct brw_wm_prog_data prog_data;
>  
>     nir_shader *nir = brw_blorp_build_nir_shader(blorp, mem_ctx, prog_key);
>     struct brw_wm_prog_key wm_key;
> diff --git a/src/intel/blorp/blorp_clear.c b/src/intel/blorp/blorp_clear.c
> index c022e65..b18b3d0 100644
> --- a/src/intel/blorp/blorp_clear.c
> +++ b/src/intel/blorp/blorp_clear.c
> @@ -73,7 +73,7 @@ blorp_params_get_clear_kernel(struct blorp_context *blorp,
>     struct brw_wm_prog_key wm_key;
>     brw_blorp_init_wm_prog_key(&wm_key);
>  
> -   struct brw_blorp_prog_data prog_data;
> +   struct brw_wm_prog_data prog_data;
>     unsigned program_size;
>     const unsigned *program =
>        blorp_compile_fs(blorp, mem_ctx, b.shader, &wm_key, use_replicated_data,
> diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h
> index ec0d022..141f4b4 100644
> --- a/src/intel/blorp/blorp_genX_exec.h
> +++ b/src/intel/blorp/blorp_genX_exec.h
> @@ -207,7 +207,8 @@ blorp_emit_input_varying_data(struct blorp_batch *batch,
>     for (unsigned i = 0; i < max_num_varyings; i++) {
>        const gl_varying_slot attr = VARYING_SLOT_VAR0 + i;
>  
> -      if (!(params->wm_prog_data->inputs_read & (1ull << attr)))
> +      int input_index = params->wm_prog_data->urb_setup[attr];

Could be const just as "attr" a few lines earlier. I also had to consult
fs_visitor::calculate_urb_setup() but this looks equivalent.

All in all a lot cleaner this way, thanks:

Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>

> +      if (input_index < 0)
>           continue;
>  
>        memcpy(inputs, inputs_src + i * 4, vec4_size_in_bytes);
> @@ -401,7 +402,7 @@ static void
>  blorp_emit_sf_config(struct blorp_batch *batch,
>                       const struct blorp_params *params)
>  {
> -   const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
> +   const struct brw_wm_prog_data *prog_data = params->wm_prog_data;
>  
>     /* 3DSTATE_SF
>      *
> @@ -502,7 +503,7 @@ static void
>  blorp_emit_ps_config(struct blorp_batch *batch,
>                       const struct blorp_params *params)
>  {
> -   const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
> +   const struct brw_wm_prog_data *prog_data = params->wm_prog_data;
>  
>     /* Even when thread dispatch is disabled, max threads (dw5.25:31) must be
>      * nonzero to prevent the GPU from hanging.  While the documentation doesn't
> @@ -527,16 +528,16 @@ blorp_emit_ps_config(struct blorp_batch *batch,
>  
>        if (prog_data) {
>           ps.DispatchGRFStartRegisterForConstantSetupData0 =
> -            prog_data->first_curbe_grf_0;
> +            prog_data->base.dispatch_grf_start_reg;
>           ps.DispatchGRFStartRegisterForConstantSetupData2 =
> -            prog_data->first_curbe_grf_2;
> +            prog_data->dispatch_grf_start_reg_2;
>  
>           ps._8PixelDispatchEnable = prog_data->dispatch_8;
>           ps._16PixelDispatchEnable = prog_data->dispatch_16;
>  
>           ps.KernelStartPointer0 = params->wm_prog_kernel;
>           ps.KernelStartPointer2 =
> -            params->wm_prog_kernel + prog_data->ksp_offset_2;
> +            params->wm_prog_kernel + prog_data->prog_offset_2;
>        }
>  
>        /* 3DSTATE_PS expects the number of threads per PSD, which is always 64;
> @@ -577,7 +578,7 @@ blorp_emit_ps_config(struct blorp_batch *batch,
>        if (prog_data) {
>           psx.PixelShaderValid = true;
>           psx.AttributeEnable = prog_data->num_varying_inputs > 0;
> -         psx.PixelShaderIsPerSample = prog_data->persample_msaa_dispatch;
> +         psx.PixelShaderIsPerSample = prog_data->persample_dispatch;
>        }
>  
>        if (params->src.enabled)
> @@ -612,7 +613,7 @@ blorp_emit_ps_config(struct blorp_batch *batch,
>        if (params->dst.surf.samples > 1) {
>           wm.MultisampleRasterizationMode = MSRASTMODE_ON_PATTERN;
>           wm.MultisampleDispatchMode =
> -            (prog_data && prog_data->persample_msaa_dispatch) ?
> +            (prog_data && prog_data->persample_dispatch) ?
>              MSDISPMODE_PERSAMPLE : MSDISPMODE_PERPIXEL;
>        } else {
>           wm.MultisampleRasterizationMode = MSRASTMODE_OFF_PIXEL;
> @@ -630,13 +631,13 @@ blorp_emit_ps_config(struct blorp_batch *batch,
>  
>        if (prog_data) {
>           ps.DispatchGRFStartRegisterforConstantSetupData0 =
> -            prog_data->first_curbe_grf_0;
> +            prog_data->base.dispatch_grf_start_reg;
>           ps.DispatchGRFStartRegisterforConstantSetupData2 =
> -            prog_data->first_curbe_grf_2;
> +            prog_data->dispatch_grf_start_reg_2;
>  
>           ps.KernelStartPointer0 = params->wm_prog_kernel;
>           ps.KernelStartPointer2 =
> -            params->wm_prog_kernel + prog_data->ksp_offset_2;
> +            params->wm_prog_kernel + prog_data->prog_offset_2;
>  
>           ps._8PixelDispatchEnable = prog_data->dispatch_8;
>           ps._16PixelDispatchEnable = prog_data->dispatch_16;
> @@ -692,13 +693,13 @@ blorp_emit_ps_config(struct blorp_batch *batch,
>           wm.ThreadDispatchEnable = true;
>  
>           wm.DispatchGRFStartRegisterforConstantSetupData0 =
> -            prog_data->first_curbe_grf_0;
> +            prog_data->base.dispatch_grf_start_reg;
>           wm.DispatchGRFStartRegisterforConstantSetupData2 =
> -            prog_data->first_curbe_grf_2;
> +            prog_data->dispatch_grf_start_reg_2;
>  
>           wm.KernelStartPointer0 = params->wm_prog_kernel;
>           wm.KernelStartPointer2 =
> -            params->wm_prog_kernel + prog_data->ksp_offset_2;
> +            params->wm_prog_kernel + prog_data->prog_offset_2;
>  
>           wm._8PixelDispatchEnable = prog_data->dispatch_8;
>           wm._16PixelDispatchEnable = prog_data->dispatch_16;
> @@ -714,7 +715,7 @@ blorp_emit_ps_config(struct blorp_batch *batch,
>        if (params->dst.surf.samples > 1) {
>           wm.MultisampleRasterizationMode = MSRASTMODE_ON_PATTERN;
>           wm.MultisampleDispatchMode =
> -            (prog_data && prog_data->persample_msaa_dispatch) ?
> +            (prog_data && prog_data->persample_dispatch) ?
>              MSDISPMODE_PERSAMPLE : MSDISPMODE_PERPIXEL;
>        } else {
>           wm.MultisampleRasterizationMode = MSRASTMODE_OFF_PIXEL;
> diff --git a/src/intel/blorp/blorp_priv.h b/src/intel/blorp/blorp_priv.h
> index 9d14336..710479f 100644
> --- a/src/intel/blorp/blorp_priv.h
> +++ b/src/intel/blorp/blorp_priv.h
> @@ -138,33 +138,8 @@ struct brw_blorp_wm_inputs
>     uint32_t pad[1];
>  };
>  
> -struct brw_blorp_prog_data
> -{
> -   bool dispatch_8;
> -   bool dispatch_16;
> -
> -   uint8_t first_curbe_grf_0;
> -   uint8_t first_curbe_grf_2;
> -
> -   uint32_t ksp_offset_2;
> -
> -   /**
> -    * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
> -    * than one sample per pixel.
> -    */
> -   bool persample_msaa_dispatch;
> -
> -   /**
> -    * Mask of which FS inputs are marked flat by the shader source.  This is
> -    * needed for setting up 3DSTATE_SF/SBE.
> -    */
> -   uint32_t flat_inputs;
> -   unsigned num_varying_inputs;
> -   uint64_t inputs_read;
> -};
> -
>  static inline unsigned
> -brw_blorp_get_urb_length(const struct brw_blorp_prog_data *prog_data)
> +brw_blorp_get_urb_length(const struct brw_wm_prog_data *prog_data)
>  {
>     if (prog_data == NULL)
>        return 1;
> @@ -197,7 +172,7 @@ struct blorp_params
>     unsigned num_draw_buffers;
>     unsigned num_layers;
>     uint32_t wm_prog_kernel;
> -   struct brw_blorp_prog_data *wm_prog_data;
> +   struct brw_wm_prog_data *wm_prog_data;
>  };
>  
>  void blorp_params_init(struct blorp_params *params);
> @@ -314,7 +289,7 @@ blorp_compile_fs(struct blorp_context *blorp, void *mem_ctx,
>                   struct nir_shader *nir,
>                   const struct brw_wm_prog_key *wm_key,
>                   bool use_repclear,
> -                 struct brw_blorp_prog_data *prog_data,
> +                 struct brw_wm_prog_data *wm_prog_data,
>                   unsigned *program_size);
>  
>  /** \} */
> -- 
> 2.5.0.400.gff86faf
> 
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