[Mesa-dev] [PATCH 1/2] radv: add radv_vertex_elements data structure

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Fri Sep 8 13:31:18 UTC 2017


On Fri, Sep 8, 2017 at 3:14 PM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> In my opinion, this improves code readability.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_cmd_buffer.c | 17 +++++++++--------
>  src/amd/vulkan/radv_pipeline.c   | 12 +++++++-----
>  src/amd/vulkan/radv_private.h    | 15 ++++++++++-----
>  3 files changed, 26 insertions(+), 18 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
> index 4de24c96e6..a79b513ffc 100644
> --- a/src/amd/vulkan/radv_cmd_buffer.c
> +++ b/src/amd/vulkan/radv_cmd_buffer.c
> @@ -1584,37 +1584,38 @@ radv_cmd_buffer_update_vertex_descriptors(struct radv_cmd_buffer *cmd_buffer)
>         struct radv_device *device = cmd_buffer->device;
>
>         if ((cmd_buffer->state.pipeline != cmd_buffer->state.emitted_pipeline || cmd_buffer->state.vb_dirty) &&
> -           cmd_buffer->state.pipeline->num_vertex_attribs &&
> +           cmd_buffer->state.pipeline->vertex_elements.count &&
>             cmd_buffer->state.pipeline->shaders[MESA_SHADER_VERTEX]->info.info.vs.has_vertex_buffers) {
> +               struct radv_vertex_elements *velems = &cmd_buffer->state.pipeline->vertex_elements;
>                 unsigned vb_offset;
>                 void *vb_ptr;
>                 uint32_t i = 0;
> -               uint32_t num_attribs = cmd_buffer->state.pipeline->num_vertex_attribs;
> +               uint32_t count = velems->count;
>                 uint64_t va;
>
>                 /* allocate some descriptor state for vertex buffers */
> -               radv_cmd_buffer_upload_alloc(cmd_buffer, num_attribs * 16, 256,
> +               radv_cmd_buffer_upload_alloc(cmd_buffer, count * 16, 256,
>                                              &vb_offset, &vb_ptr);
>
> -               for (i = 0; i < num_attribs; i++) {
> +               for (i = 0; i < count; i++) {
>                         uint32_t *desc = &((uint32_t *)vb_ptr)[i * 4];
>                         uint32_t offset;
> -                       int vb = cmd_buffer->state.pipeline->va_binding[i];
> +                       int vb = velems->binding[i];
>                         struct radv_buffer *buffer = cmd_buffer->state.vertex_bindings[vb].buffer;
>                         uint32_t stride = cmd_buffer->state.pipeline->binding_stride[vb];
>
>                         device->ws->cs_add_buffer(cmd_buffer->cs, buffer->bo, 8);
>                         va = device->ws->buffer_get_va(buffer->bo);
>
> -                       offset = cmd_buffer->state.vertex_bindings[vb].offset + cmd_buffer->state.pipeline->va_offset[i];
> +                       offset = cmd_buffer->state.vertex_bindings[vb].offset + velems->offset[i];
>                         va += offset + buffer->offset;
>                         desc[0] = va;
>                         desc[1] = S_008F04_BASE_ADDRESS_HI(va >> 32) | S_008F04_STRIDE(stride);
>                         if (cmd_buffer->device->physical_device->rad_info.chip_class <= CIK && stride)
> -                               desc[2] = (buffer->size - offset - cmd_buffer->state.pipeline->va_format_size[i]) / stride + 1;
> +                               desc[2] = (buffer->size - offset - velems->format_size[i]) / stride + 1;
>                         else
>                                 desc[2] = buffer->size - offset;
> -                       desc[3] = cmd_buffer->state.pipeline->va_rsrc_word3[i];
> +                       desc[3] = velems->rsrc_word3[i];
>                 }
>
>                 va = device->ws->buffer_get_va(cmd_buffer->upload.upload_bo);
> diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
> index c090b8e2f0..32e8102502 100644
> --- a/src/amd/vulkan/radv_pipeline.c
> +++ b/src/amd/vulkan/radv_pipeline.c
> @@ -2408,6 +2408,8 @@ radv_pipeline_init(struct radv_pipeline *pipeline,
>
>         const VkPipelineVertexInputStateCreateInfo *vi_info =
>                 pCreateInfo->pVertexInputState;
> +       struct radv_vertex_elements *velems = &pipeline->vertex_elements;
> +
>         for (uint32_t i = 0; i < vi_info->vertexAttributeDescriptionCount; i++) {
>                 const VkVertexInputAttributeDescription *desc =
>                         &vi_info->pVertexAttributeDescriptions[i];
> @@ -2421,16 +2423,16 @@ radv_pipeline_init(struct radv_pipeline *pipeline,
>                 num_format = radv_translate_buffer_numformat(format_desc, first_non_void);
>                 data_format = radv_translate_buffer_dataformat(format_desc, first_non_void);
>
> -               pipeline->va_rsrc_word3[loc] = S_008F0C_DST_SEL_X(si_map_swizzle(format_desc->swizzle[0])) |
> +               velems->rsrc_word3[loc] = S_008F0C_DST_SEL_X(si_map_swizzle(format_desc->swizzle[0])) |
>                         S_008F0C_DST_SEL_Y(si_map_swizzle(format_desc->swizzle[1])) |
>                         S_008F0C_DST_SEL_Z(si_map_swizzle(format_desc->swizzle[2])) |
>                         S_008F0C_DST_SEL_W(si_map_swizzle(format_desc->swizzle[3])) |
>                         S_008F0C_NUM_FORMAT(num_format) |
>                         S_008F0C_DATA_FORMAT(data_format);
> -               pipeline->va_format_size[loc] = format_desc->block.bits / 8;
> -               pipeline->va_offset[loc] = desc->offset;
> -               pipeline->va_binding[loc] = desc->binding;
> -               pipeline->num_vertex_attribs = MAX2(pipeline->num_vertex_attribs, loc + 1);
> +               velems->format_size[loc] = format_desc->block.bits / 8;
> +               velems->offset[loc] = desc->offset;
> +               velems->binding[loc] = desc->binding;
> +               velems->count = MAX2(velems->count, loc + 1);
>         }
>
>         for (uint32_t i = 0; i < vi_info->vertexBindingDescriptionCount; i++) {
> diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
> index e32fa576fb..e3771ae747 100644
> --- a/src/amd/vulkan/radv_private.h
> +++ b/src/amd/vulkan/radv_private.h
> @@ -1076,6 +1076,14 @@ struct radv_tessellation_state {
>         uint32_t tf_param;
>  };
>
> +struct radv_vertex_elements {

Can we add an _info suffix or such, to clarify that this is not the
verex elements themselves but info about number and type etc. ?

Otherwise r-b.
> +       uint32_t rsrc_word3[MAX_VERTEX_ATTRIBS];
> +       uint32_t format_size[MAX_VERTEX_ATTRIBS];
> +       uint32_t binding[MAX_VERTEX_ATTRIBS];
> +       uint32_t offset[MAX_VERTEX_ATTRIBS];
> +       uint32_t count;
> +};
> +
>  struct radv_pipeline {
>         struct radv_device *                          device;
>         uint32_t                                     dynamic_state_mask;
> @@ -1089,11 +1097,8 @@ struct radv_pipeline {
>         struct radv_shader_variant *gs_copy_shader;
>         VkShaderStageFlags                           active_stages;
>
> -       uint32_t va_rsrc_word3[MAX_VERTEX_ATTRIBS];
> -       uint32_t va_format_size[MAX_VERTEX_ATTRIBS];
> -       uint32_t va_binding[MAX_VERTEX_ATTRIBS];
> -       uint32_t va_offset[MAX_VERTEX_ATTRIBS];
> -       uint32_t num_vertex_attribs;
> +       struct radv_vertex_elements                  vertex_elements;
> +
>         uint32_t                                     binding_stride[MAX_VBS];
>
>         union {
> --
> 2.14.1
>
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