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Skeleton leaky hacky hardcoded pipeline setup.

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This commit is contained in:
Ben Vanik
2016-02-19 23:23:58 -08:00
parent 990b600f53
commit 97174dbe4d
9 changed files with 495 additions and 36 deletions
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50
src/xenia/gpu/vulkan/texture_cache.cc
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@@ -22,11 +22,57 @@ namespace vulkan {
using xe::ui::vulkan::CheckResult;
constexpr uint32_t kMaxTextureSamplers = 32;
TextureCache::TextureCache(RegisterFile* register_file,
ui::vulkan::VulkanDevice* device)
: register_file_(register_file), device_(*device) {}
: register_file_(register_file), device_(*device) {
// Descriptor pool used for all of our cached descriptors.
VkDescriptorPoolCreateInfo descriptor_pool_info;
descriptor_pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
descriptor_pool_info.pNext = nullptr;
descriptor_pool_info.flags =
VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
descriptor_pool_info.maxSets = 256;
VkDescriptorPoolSize pool_sizes[1];
pool_sizes[0].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
pool_sizes[0].descriptorCount = 256;
descriptor_pool_info.poolSizeCount = 1;
descriptor_pool_info.pPoolSizes = pool_sizes;
auto err = vkCreateDescriptorPool(device_, &descriptor_pool_info, nullptr,
&descriptor_pool_);
CheckResult(err, "vkCreateDescriptorPool");
TextureCache::~TextureCache() = default;
// Create the descriptor set layout used for rendering.
// We always have the same number of samplers but only some are used.
VkDescriptorSetLayoutBinding texture_bindings[1];
for (int i = 0; i < 1; ++i) {
auto& texture_binding = texture_bindings[i];
texture_binding.binding = 0;
texture_binding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
texture_binding.descriptorCount = kMaxTextureSamplers;
texture_binding.stageFlags =
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
texture_binding.pImmutableSamplers = nullptr;
}
VkDescriptorSetLayoutCreateInfo descriptor_set_layout_info;
descriptor_set_layout_info.sType =
VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
descriptor_set_layout_info.pNext = nullptr;
descriptor_set_layout_info.flags = 0;
descriptor_set_layout_info.bindingCount =
static_cast<uint32_t>(xe::countof(texture_bindings));
descriptor_set_layout_info.pBindings = texture_bindings;
err = vkCreateDescriptorSetLayout(device_, &descriptor_set_layout_info,
nullptr, &texture_descriptor_set_layout_);
CheckResult(err, "vkCreateDescriptorSetLayout");
}
TextureCache::~TextureCache() {
vkDestroyDescriptorSetLayout(device_, texture_descriptor_set_layout_,
nullptr);
vkDestroyDescriptorPool(device_, descriptor_pool_, nullptr);
}
void TextureCache::ClearCache() {
// TODO(benvanik): caching.