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zink: hook up ssbo shader bindings 

this is just the struct zink_shader binding point stuff, but nothing is
using it yet

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8330>
This commit is contained in:
Mike Blumenkrantz 2020-08-04 14:22:52 -04:00 committed by Marge Bot
parent f5ab1a1f00
commit 6e22f52ba1
3 changed files with 29 additions and 4 deletions
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7
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
View File

@ -547,7 +547,8 @@ zink_binding(gl_shader_stage stage, VkDescriptorType type, int index)
unreachable("not supported");
} else {
uint32_t stage_offset = (uint32_t)stage * (PIPE_MAX_CONSTANT_BUFFERS +
PIPE_MAX_SAMPLERS);
PIPE_MAX_SAMPLERS +
PIPE_MAX_SHADER_BUFFERS);
switch (type) {
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
@ -559,6 +560,10 @@ zink_binding(gl_shader_stage stage, VkDescriptorType type, int index)
assert(index < PIPE_MAX_SAMPLERS);
return stage_offset + PIPE_MAX_CONSTANT_BUFFERS + index;
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
assert(index < PIPE_MAX_SHADER_BUFFERS);
return stage_offset + PIPE_MAX_CONSTANT_BUFFERS + PIPE_MAX_SHADER_SAMPLER_VIEWS + index;
default:
unreachable("unexpected type");
}

9
src/gallium/drivers/zink/zink_compiler.c
View File

@ -488,6 +488,15 @@ zink_shader_create(struct zink_screen *screen, struct nir_shader *nir,
ret->bindings[ret->num_bindings].size = 1;
ret->num_bindings++;
}
} else if (var->data.mode == nir_var_mem_ssbo) {
int binding = zink_binding(nir->info.stage,
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
var->data.binding);
ret->bindings[ret->num_bindings].index = var->data.binding;
ret->bindings[ret->num_bindings].binding = binding;
ret->bindings[ret->num_bindings].type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
ret->bindings[ret->num_bindings].size = 1;
ret->num_bindings++;
} else {
assert(var->data.mode == nir_var_uniform);
const struct glsl_type *type = glsl_without_array(var->type);

17
src/gallium/drivers/zink/zink_draw.c
View File

@ -309,9 +309,9 @@ zink_draw_vbo(struct pipe_context *pctx,
}
}
VkWriteDescriptorSet wds[PIPE_SHADER_TYPES * PIPE_MAX_CONSTANT_BUFFERS + PIPE_SHADER_TYPES * PIPE_MAX_SAMPLERS];
struct zink_resource *write_desc_resources[PIPE_SHADER_TYPES * PIPE_MAX_CONSTANT_BUFFERS + PIPE_SHADER_TYPES * PIPE_MAX_SAMPLERS];
VkDescriptorBufferInfo buffer_infos[PIPE_SHADER_TYPES * PIPE_MAX_CONSTANT_BUFFERS];
VkWriteDescriptorSet wds[PIPE_SHADER_TYPES * (PIPE_MAX_CONSTANT_BUFFERS + PIPE_MAX_SAMPLERS + PIPE_MAX_SHADER_BUFFERS)];
struct zink_resource *write_desc_resources[PIPE_SHADER_TYPES * (PIPE_MAX_CONSTANT_BUFFERS + PIPE_MAX_SAMPLERS + PIPE_MAX_SHADER_BUFFERS)];
VkDescriptorBufferInfo buffer_infos[PIPE_SHADER_TYPES * (PIPE_MAX_CONSTANT_BUFFERS + PIPE_MAX_SHADER_BUFFERS)];
VkDescriptorImageInfo image_infos[PIPE_SHADER_TYPES * PIPE_MAX_SAMPLERS];
VkBufferView buffer_view[] = {VK_NULL_HANDLE};
int num_wds = 0, num_buffer_info = 0, num_image_info = 0;
@ -350,6 +350,17 @@ zink_draw_vbo(struct pipe_context *pctx,
buffer_infos[num_buffer_info].range = res ? ctx->ubos[i][index].buffer_size : VK_WHOLE_SIZE;
wds[num_wds].pBufferInfo = buffer_infos + num_buffer_info;
++num_buffer_info;
} else if (shader->bindings[j].type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER) {
assert(ctx->ssbos[i][index].buffer_size > 0);
assert(ctx->ssbos[i][index].buffer_size <= screen->info.props.limits.maxStorageBufferRange);
assert(ctx->ssbos[i][index].buffer);
struct zink_resource *res = zink_resource(ctx->ssbos[i][index].buffer);
write_desc_resources[num_wds] = res;
buffer_infos[num_buffer_info].buffer = res->buffer;
buffer_infos[num_buffer_info].offset = ctx->ssbos[i][index].buffer_offset;
buffer_infos[num_buffer_info].range = ctx->ssbos[i][index].buffer_size;
wds[num_wds].pBufferInfo = buffer_infos + num_buffer_info;
++num_buffer_info;
} else {
for (unsigned k = 0; k < shader->bindings[j].size; k++) {
struct pipe_sampler_view *psampler_view = ctx->image_views[i][index + k];