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/*
* Copyright 2018 Collabora Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "zink_program.h"
#include "zink_compiler.h"
#include "zink_context.h"
#include "util/u_debug.h"
#include "util/u_memory.h"
static VkDescriptorSetLayout
create_desc_set_layout(VkDevice dev,
struct zink_shader *stages[PIPE_SHADER_TYPES - 1])
{
VkDescriptorSetLayoutBinding bindings[PIPE_SHADER_TYPES * PIPE_MAX_CONSTANT_BUFFERS];
int num_bindings = 0;
for (int i = 0; i < PIPE_SHADER_TYPES - 1; i++) {
struct zink_shader *shader = stages[i];
if (!shader)
continue;
VkShaderStageFlagBits stage_flags = zink_shader_stage(i);
for (int j = 0; j < shader->num_bindings; j++) {
assert(num_bindings < ARRAY_SIZE(bindings));
bindings[num_bindings].binding = shader->bindings[j].binding;
bindings[num_bindings].descriptorType = shader->bindings[j].type;
bindings[num_bindings].descriptorCount = 1;
bindings[num_bindings].stageFlags = stage_flags;
bindings[num_bindings].pImmutableSamplers = NULL;
++num_bindings;
}
}
VkDescriptorSetLayoutCreateInfo dcslci = {};
dcslci.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
dcslci.pNext = NULL;
dcslci.flags = 0;
dcslci.bindingCount = num_bindings;
dcslci.pBindings = bindings;
VkDescriptorSetLayout dsl;
if (vkCreateDescriptorSetLayout(dev, &dcslci, 0, &dsl) != VK_SUCCESS) {
debug_printf("vkCreateDescriptorSetLayout failed\n");
return VK_NULL_HANDLE;
}
return dsl;
}
static VkPipelineLayout
create_pipeline_layout(VkDevice dev, VkDescriptorSetLayout dsl)
{
assert(dsl != VK_NULL_HANDLE);
VkPipelineLayoutCreateInfo plci = {};
plci.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
plci.pSetLayouts = &dsl;
plci.setLayoutCount = 1;
VkPipelineLayout layout;
if (vkCreatePipelineLayout(dev, &plci, NULL, &layout) != VK_SUCCESS) {
debug_printf("vkCreatePipelineLayout failed!\n");
return VK_NULL_HANDLE;
}
return layout;
}
struct zink_gfx_program *
zink_create_gfx_program(VkDevice dev,
struct zink_shader *stages[PIPE_SHADER_TYPES - 1])
{
struct zink_gfx_program *prog = CALLOC_STRUCT(zink_gfx_program);
if (!prog) {
debug_printf("failed to allocate gfx-program\n");
goto fail;
}
for (int i = 0; i < PIPE_SHADER_TYPES - 1; ++i)
prog->stages[i] = stages[i];
prog->dsl = create_desc_set_layout(dev, stages);
if (!prog->dsl)
goto fail;
prog->layout = create_pipeline_layout(dev, prog->dsl);
if (!prog->layout)
goto fail;
return prog;
fail:
if (prog)
zink_destroy_gfx_program(dev, prog);
return NULL;
}
void
zink_destroy_gfx_program(VkDevice dev, struct zink_gfx_program *prog)
{
if (prog->layout)
vkDestroyPipelineLayout(dev, prog->layout, NULL);
if (prog->dsl)
vkDestroyDescriptorSetLayout(dev, prog->dsl, NULL);
FREE(prog);
}
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