[Mesa-dev] [PATCH 1/2] amd/common: add ac_get_cb_shader_mask() helper

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Sun Dec 17 12:29:44 UTC 2017


Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

On Fri, Dec 15, 2017 at 3:37 PM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/common/ac_shader_util.c                 | 35 +++++++++++++++++++++++++
>  src/amd/common/ac_shader_util.h                 |  3 +++
>  src/amd/vulkan/radv_pipeline.c                  | 34 +-----------------------
>  src/gallium/drivers/radeonsi/si_state_shaders.c | 34 +-----------------------
>  4 files changed, 40 insertions(+), 66 deletions(-)
>
> diff --git a/src/amd/common/ac_shader_util.c b/src/amd/common/ac_shader_util.c
> index 9d33a46559..ab8d3ed49b 100644
> --- a/src/amd/common/ac_shader_util.c
> +++ b/src/amd/common/ac_shader_util.c
> @@ -21,6 +21,8 @@
>   * IN THE SOFTWARE.
>   */
>
> +#include <assert.h>
> +
>  #include "ac_shader_util.h"
>  #include "sid.h"
>
> @@ -43,3 +45,36 @@ ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil,
>                 return V_028710_SPI_SHADER_ZERO;
>         }
>  }
> +
> +unsigned
> +ac_get_cb_shader_mask(unsigned spi_shader_col_format)
> +{
> +       unsigned i, cb_shader_mask = 0;
> +
> +       for (i = 0; i < 8; i++) {
> +               switch ((spi_shader_col_format >> (i * 4)) & 0xf) {
> +               case V_028714_SPI_SHADER_ZERO:
> +                       break;
> +               case V_028714_SPI_SHADER_32_R:
> +                       cb_shader_mask |= 0x1 << (i * 4);
> +                       break;
> +               case V_028714_SPI_SHADER_32_GR:
> +                       cb_shader_mask |= 0x3 << (i * 4);
> +                       break;
> +               case V_028714_SPI_SHADER_32_AR:
> +                       cb_shader_mask |= 0x9 << (i * 4);
> +                       break;
> +               case V_028714_SPI_SHADER_FP16_ABGR:
> +               case V_028714_SPI_SHADER_UNORM16_ABGR:
> +               case V_028714_SPI_SHADER_SNORM16_ABGR:
> +               case V_028714_SPI_SHADER_UINT16_ABGR:
> +               case V_028714_SPI_SHADER_SINT16_ABGR:
> +               case V_028714_SPI_SHADER_32_ABGR:
> +                       cb_shader_mask |= 0xf << (i * 4);
> +                       break;
> +               default:
> +                       assert(0);
> +               }
> +       }
> +       return cb_shader_mask;
> +}
> diff --git a/src/amd/common/ac_shader_util.h b/src/amd/common/ac_shader_util.h
> index 1f971e76f1..d3804b8fb1 100644
> --- a/src/amd/common/ac_shader_util.h
> +++ b/src/amd/common/ac_shader_util.h
> @@ -30,4 +30,7 @@ unsigned
>  ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil,
>                            bool writes_samplemask);
>
> +unsigned
> +ac_get_cb_shader_mask(unsigned spi_shader_col_format);
> +
>  #endif
> diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
> index 1ada69d92f..1086f70d05 100644
> --- a/src/amd/vulkan/radv_pipeline.c
> +++ b/src/amd/vulkan/radv_pipeline.c
> @@ -416,38 +416,6 @@ static unsigned si_choose_spi_color_format(VkFormat vk_format,
>                 return normal;
>  }
>
> -static unsigned si_get_cb_shader_mask(unsigned spi_shader_col_format)
> -{
> -       unsigned i, cb_shader_mask = 0;
> -
> -       for (i = 0; i < 8; i++) {
> -               switch ((spi_shader_col_format >> (i * 4)) & 0xf) {
> -               case V_028714_SPI_SHADER_ZERO:
> -                       break;
> -               case V_028714_SPI_SHADER_32_R:
> -                       cb_shader_mask |= 0x1 << (i * 4);
> -                       break;
> -               case V_028714_SPI_SHADER_32_GR:
> -                       cb_shader_mask |= 0x3 << (i * 4);
> -                       break;
> -               case V_028714_SPI_SHADER_32_AR:
> -                       cb_shader_mask |= 0x9 << (i * 4);
> -                       break;
> -               case V_028714_SPI_SHADER_FP16_ABGR:
> -               case V_028714_SPI_SHADER_UNORM16_ABGR:
> -               case V_028714_SPI_SHADER_SNORM16_ABGR:
> -               case V_028714_SPI_SHADER_UINT16_ABGR:
> -               case V_028714_SPI_SHADER_SINT16_ABGR:
> -               case V_028714_SPI_SHADER_32_ABGR:
> -                       cb_shader_mask |= 0xf << (i * 4);
> -                       break;
> -               default:
> -                       assert(0);
> -               }
> -       }
> -       return cb_shader_mask;
> -}
> -
>  static void
>  radv_pipeline_compute_spi_color_formats(struct radv_pipeline *pipeline,
>                                         const VkGraphicsPipelineCreateInfo *pCreateInfo,
> @@ -477,7 +445,7 @@ radv_pipeline_compute_spi_color_formats(struct radv_pipeline *pipeline,
>                 col_format |= cf << (4 * i);
>         }
>
> -       blend->cb_shader_mask = si_get_cb_shader_mask(col_format);
> +       blend->cb_shader_mask = ac_get_cb_shader_mask(col_format);
>
>         if (blend_mrt0_is_dual_src)
>                 col_format |= (col_format & 0xf) << 4;
> diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
> index 25854a1fde..d33008cdda 100644
> --- a/src/gallium/drivers/radeonsi/si_state_shaders.c
> +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
> @@ -981,38 +981,6 @@ static unsigned si_get_spi_shader_col_format(struct si_shader *shader)
>         return value;
>  }
>
> -static unsigned si_get_cb_shader_mask(unsigned spi_shader_col_format)
> -{
> -       unsigned i, cb_shader_mask = 0;
> -
> -       for (i = 0; i < 8; i++) {
> -               switch ((spi_shader_col_format >> (i * 4)) & 0xf) {
> -               case V_028714_SPI_SHADER_ZERO:
> -                       break;
> -               case V_028714_SPI_SHADER_32_R:
> -                       cb_shader_mask |= 0x1 << (i * 4);
> -                       break;
> -               case V_028714_SPI_SHADER_32_GR:
> -                       cb_shader_mask |= 0x3 << (i * 4);
> -                       break;
> -               case V_028714_SPI_SHADER_32_AR:
> -                       cb_shader_mask |= 0x9 << (i * 4);
> -                       break;
> -               case V_028714_SPI_SHADER_FP16_ABGR:
> -               case V_028714_SPI_SHADER_UNORM16_ABGR:
> -               case V_028714_SPI_SHADER_SNORM16_ABGR:
> -               case V_028714_SPI_SHADER_UINT16_ABGR:
> -               case V_028714_SPI_SHADER_SINT16_ABGR:
> -               case V_028714_SPI_SHADER_32_ABGR:
> -                       cb_shader_mask |= 0xf << (i * 4);
> -                       break;
> -               default:
> -                       assert(0);
> -               }
> -       }
> -       return cb_shader_mask;
> -}
> -
>  static void si_shader_ps(struct si_shader *shader)
>  {
>         struct tgsi_shader_info *info = &shader->selector->info;
> @@ -1095,7 +1063,7 @@ static void si_shader_ps(struct si_shader *shader)
>                 spi_baryc_cntl |= S_0286E0_POS_FLOAT_ULC(1);
>
>         spi_shader_col_format = si_get_spi_shader_col_format(shader);
> -       cb_shader_mask = si_get_cb_shader_mask(spi_shader_col_format);
> +       cb_shader_mask = ac_get_cb_shader_mask(spi_shader_col_format);
>
>         /* Ensure that some export memory is always allocated, for two reasons:
>          *
> --
> 2.15.1
>
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> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev


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