695 lines
28 KiB
C++
695 lines
28 KiB
C++
#include <mbgl/vulkan/context.hpp>
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#include <mbgl/gfx/shader_registry.hpp>
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#include <mbgl/programs/program_parameters.hpp>
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#include <mbgl/renderer/paint_parameters.hpp>
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#include <mbgl/renderer/render_static_data.hpp>
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#include <mbgl/renderer/render_target.hpp>
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#include <mbgl/vulkan/command_encoder.hpp>
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#include <mbgl/vulkan/drawable_builder.hpp>
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#include <mbgl/vulkan/offscreen_texture.hpp>
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#include <mbgl/vulkan/layer_group.hpp>
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#include <mbgl/vulkan/tile_layer_group.hpp>
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#include <mbgl/vulkan/renderable_resource.hpp>
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#include <mbgl/vulkan/render_pass.hpp>
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#include <mbgl/vulkan/texture2d.hpp>
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#include <mbgl/vulkan/vertex_attribute.hpp>
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#include <mbgl/shaders/vulkan/shader_program.hpp>
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#include <mbgl/shaders/vulkan/clipping_mask.hpp>
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#include <mbgl/util/traits.hpp>
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#include <mbgl/util/std.hpp>
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#include <mbgl/util/logging.hpp>
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#include <mbgl/util/thread_pool.hpp>
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#include <mbgl/util/hash.hpp>
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#include <glslang/Public/ShaderLang.h>
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#include <algorithm>
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#include <cstring>
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namespace mbgl {
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namespace vulkan {
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// Maximum number of vertex attributes, per vertex descriptor
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// 32 on most devices (~30% Android use 16),
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// per https://vulkan.gpuinfo.org/displaydevicelimit.php?name=maxVertexInputBindings
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// this can be queried at runtime (VkPhysicalDeviceLimits.maxVertexInputBindings)
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constexpr uint32_t maximumVertexBindingCount = 16;
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constexpr uint32_t globalDescriptorPoolSize = 3 * 4;
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constexpr uint32_t layerDescriptorPoolSize = 3 * 256;
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constexpr uint32_t drawableUniformDescriptorPoolSize = 3 * 1024;
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constexpr uint32_t drawableImageDescriptorPoolSize = drawableUniformDescriptorPoolSize / 2;
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static uint32_t glslangRefCount = 0;
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class RenderbufferResource : public gfx::RenderbufferResource {
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public:
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RenderbufferResource() = default;
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};
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Context::Context(RendererBackend& backend_)
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: gfx::Context(vulkan::maximumVertexBindingCount),
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backend(backend_),
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globalUniformBuffers(DescriptorSetType::Global, 0, shaders::globalUBOCount) {
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if (glslangRefCount++ == 0) {
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glslang::InitializeProcess();
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}
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initFrameResources();
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}
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Context::~Context() noexcept {
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backend.getThreadPool().runRenderJobs(true /* closeQueue */);
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destroyResources();
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if (--glslangRefCount == 0) {
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glslang::FinalizeProcess();
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}
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}
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void Context::initFrameResources() {
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const auto& device = backend.getDevice();
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const auto frameCount = backend.getMaxFrames();
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descriptorPoolMap.emplace(DescriptorSetType::Global,
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DescriptorPoolGrowable(globalDescriptorPoolSize, shaders::globalUBOCount));
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descriptorPoolMap.emplace(DescriptorSetType::Layer,
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DescriptorPoolGrowable(layerDescriptorPoolSize, shaders::maxUBOCountPerLayer));
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descriptorPoolMap.emplace(
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DescriptorSetType::DrawableUniform,
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DescriptorPoolGrowable(drawableUniformDescriptorPoolSize, shaders::maxUBOCountPerDrawable));
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descriptorPoolMap.emplace(
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DescriptorSetType::DrawableImage,
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DescriptorPoolGrowable(drawableImageDescriptorPoolSize, shaders::maxTextureCountPerShader));
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// command buffers
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const vk::CommandBufferAllocateInfo allocateInfo(
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backend.getCommandPool().get(), vk::CommandBufferLevel::ePrimary, frameCount);
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auto commandBuffers = backend.getDevice()->allocateCommandBuffersUnique(allocateInfo);
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frameResources.reserve(frameCount);
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for (uint32_t index = 0; index < frameCount; ++index) {
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frameResources.emplace_back(commandBuffers[index],
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device->createSemaphoreUnique({}),
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device->createSemaphoreUnique({}),
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device->createFenceUnique(vk::FenceCreateInfo(vk::FenceCreateFlagBits::eSignaled)));
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const auto& frame = frameResources.back();
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backend.setDebugName(frame.commandBuffer.get(), "FrameCommandBuffer_" + std::to_string(index));
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backend.setDebugName(frame.frameSemaphore.get(), "FrameSemaphore_" + std::to_string(index));
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backend.setDebugName(frame.surfaceSemaphore.get(), "SurfaceSemaphore_" + std::to_string(index));
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backend.setDebugName(frame.flightFrameFence.get(), "FrameFence_" + std::to_string(index));
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}
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// force placeholder texture upload before any descriptor sets
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(void)getDummyTexture();
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buildUniformDescriptorSetLayout(
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globalUniformDescriptorSetLayout, shaders::globalUBOCount, "GlobalUniformDescriptorSetLayout");
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buildUniformDescriptorSetLayout(
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layerUniformDescriptorSetLayout, shaders::maxUBOCountPerLayer, "LayerUniformDescriptorSetLayout");
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buildUniformDescriptorSetLayout(
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drawableUniformDescriptorSetLayout, shaders::maxUBOCountPerDrawable, "DrawableUniformDescriptorSetLayout");
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buildImageDescriptorSetLayout();
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}
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void Context::destroyResources() {
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backend.getDevice()->waitIdle();
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for (auto& frame : frameResources) {
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frame.runDeletionQueue(*this);
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}
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globalUniformBuffers.freeDescriptorSets();
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// all resources have unique handles
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frameResources.clear();
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}
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void Context::enqueueDeletion(std::function<void(Context&)>&& function) {
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if (frameResources.empty()) {
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function(*this);
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return;
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}
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frameResources[frameResourceIndex].deletionQueue.push_back(std::move(function));
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}
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void Context::submitOneTimeCommand(const std::function<void(const vk::UniqueCommandBuffer&)>& function) const {
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MLN_TRACE_FUNC();
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const vk::CommandBufferAllocateInfo allocateInfo(
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backend.getCommandPool().get(), vk::CommandBufferLevel::ePrimary, 1);
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const auto& device = backend.getDevice();
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const auto& commandBuffers = device->allocateCommandBuffersUnique(allocateInfo);
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auto& commandBuffer = commandBuffers.front();
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backend.setDebugName(commandBuffer.get(), "OneTimeSubmitCommandBuffer");
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commandBuffer->begin(vk::CommandBufferBeginInfo(vk::CommandBufferUsageFlagBits::eOneTimeSubmit));
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function(commandBuffer);
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commandBuffer->end();
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const auto submitInfo = vk::SubmitInfo().setCommandBuffers(commandBuffer.get());
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const auto& fence = device->createFenceUnique(vk::FenceCreateInfo(vk::FenceCreateFlags()));
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backend.getGraphicsQueue().submit(submitInfo, fence.get());
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constexpr uint64_t timeout = std::numeric_limits<uint64_t>::max();
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const vk::Result waitFenceResult = device->waitForFences(1, &fence.get(), VK_TRUE, timeout);
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if (waitFenceResult != vk::Result::eSuccess) {
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mbgl::Log::Error(mbgl::Event::Render, "OneTimeCommand - Wait fence failed");
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}
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}
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void Context::requestSurfaceUpdate(bool useDelay) {
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if (surfaceUpdateRequested) {
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if (!useDelay) {
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surfaceUpdateLatency = 0;
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}
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return;
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}
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surfaceUpdateRequested = true;
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surfaceUpdateLatency = useDelay ? backend.getMaxFrames() * 3 : 0;
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}
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void Context::waitFrame() const {
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MLN_TRACE_FUNC();
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const auto& device = backend.getDevice();
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auto& frame = frameResources[frameResourceIndex];
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constexpr uint64_t timeout = std::numeric_limits<uint64_t>::max();
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const vk::Result waitFenceResult = device->waitForFences(1, &frame.flightFrameFence.get(), VK_TRUE, timeout);
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if (waitFenceResult != vk::Result::eSuccess) {
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mbgl::Log::Error(mbgl::Event::Render, "Wait fence failed");
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}
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}
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void Context::beginFrame() {
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MLN_TRACE_FUNC();
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const auto& device = backend.getDevice();
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auto& renderableResource = backend.getDefaultRenderable().getResource<SurfaceRenderableResource>();
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const auto& platformSurface = renderableResource.getPlatformSurface();
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// poll for surface transform updates if enabled
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const int32_t surfaceTransformPollingInterval = renderableResource.getSurfaceTransformPollingInterval();
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if (surfaceTransformPollingInterval >= 0 && !surfaceUpdateRequested) {
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if (currentFrameCount > surfaceTransformPollingInterval) {
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if (renderableResource.didSurfaceTransformUpdate()) {
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requestSurfaceUpdate();
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}
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currentFrameCount = 0;
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} else {
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++currentFrameCount;
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}
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}
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if (platformSurface && surfaceUpdateRequested && --surfaceUpdateLatency <= 0) {
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renderableResource.recreateSwapchain();
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// we wait for an idle device to recreate the swapchain
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// so it's a good opportunity to delete all queued items
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for (auto& frame : frameResources) {
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frame.runDeletionQueue(*this);
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}
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// sync resources with swapchain
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frameResourceIndex = 0;
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surfaceUpdateRequested = false;
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// update renderable size
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if (renderableResource.hasSurfaceTransformSupport()) {
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const auto& extent = renderableResource.getExtent();
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auto& renderable = static_cast<Renderable&>(backend.getDefaultRenderable());
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renderable.setSize({extent.width, extent.height});
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}
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}
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backend.startFrameCapture();
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auto& frame = frameResources[frameResourceIndex];
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constexpr uint64_t timeout = std::numeric_limits<uint64_t>::max();
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waitFrame();
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frame.runDeletionQueue(*this);
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if (platformSurface) {
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MLN_TRACE_ZONE(acquireNextImageKHR);
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try {
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const vk::ResultValue acquireImageResult = device->acquireNextImageKHR(
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renderableResource.getSwapchain().get(), timeout, frame.surfaceSemaphore.get(), nullptr);
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if (acquireImageResult.result == vk::Result::eSuccess) {
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renderableResource.setAcquiredImageIndex(acquireImageResult.value);
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} else if (acquireImageResult.result == vk::Result::eSuboptimalKHR) {
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renderableResource.setAcquiredImageIndex(acquireImageResult.value);
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requestSurfaceUpdate();
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}
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} catch (const vk::OutOfDateKHRError& e) {
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// request an update and restart frame
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requestSurfaceUpdate(false);
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beginFrame();
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return;
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}
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} else {
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renderableResource.setAcquiredImageIndex(frameResourceIndex);
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}
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frame.commandBuffer->reset(vk::CommandBufferResetFlagBits::eReleaseResources);
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frame.commandBuffer->begin(vk::CommandBufferBeginInfo(vk::CommandBufferUsageFlagBits::eOneTimeSubmit));
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backend.getThreadPool().runRenderJobs();
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}
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void Context::endFrame() {
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frameResourceIndex = (frameResourceIndex + 1) % frameResources.size();
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}
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void Context::submitFrame() {
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MLN_TRACE_FUNC();
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const auto& frame = frameResources[frameResourceIndex];
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frame.commandBuffer->end();
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const auto& device = backend.getDevice();
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const auto& graphicsQueue = backend.getGraphicsQueue();
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auto& renderableResource = backend.getDefaultRenderable().getResource<SurfaceRenderableResource>();
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const auto& platformSurface = renderableResource.getPlatformSurface();
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// submit frame commands
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const vk::PipelineStageFlags waitStageMask[] = {vk::PipelineStageFlagBits::eColorAttachmentOutput};
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auto submitInfo = vk::SubmitInfo().setCommandBuffers(frame.commandBuffer.get());
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if (platformSurface) {
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submitInfo.setSignalSemaphores(frame.frameSemaphore.get())
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.setWaitSemaphores(frame.surfaceSemaphore.get())
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.setWaitDstStageMask(waitStageMask);
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}
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const vk::Result resetFenceResult = device->resetFences(1, &frame.flightFrameFence.get());
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if (resetFenceResult != vk::Result::eSuccess) {
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mbgl::Log::Error(mbgl::Event::Render, "Reset fence failed");
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}
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graphicsQueue.submit(submitInfo, frame.flightFrameFence.get());
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// present rendered frame
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if (platformSurface) {
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const auto acquiredImage = renderableResource.getAcquiredImageIndex();
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const auto presentInfo = vk::PresentInfoKHR()
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.setSwapchains(renderableResource.getSwapchain().get())
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.setWaitSemaphores(frame.frameSemaphore.get())
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.setImageIndices(acquiredImage);
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try {
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const auto& presentQueue = backend.getPresentQueue();
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const vk::Result presentResult = presentQueue.presentKHR(presentInfo);
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if (presentResult == vk::Result::eSuboptimalKHR) {
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requestSurfaceUpdate();
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}
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} catch (const vk::OutOfDateKHRError& e) {
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requestSurfaceUpdate(false);
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}
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}
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backend.endFrameCapture();
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}
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std::unique_ptr<gfx::CommandEncoder> Context::createCommandEncoder() {
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const auto& frame = frameResources[frameResourceIndex];
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return std::make_unique<CommandEncoder>(*this, frame.commandBuffer);
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}
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BufferResource Context::createBuffer(const void* data, std::size_t size, std::uint32_t usage, bool persistent) const {
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return BufferResource(const_cast<Context&>(*this), data, size, usage, persistent);
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}
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UniqueShaderProgram Context::createProgram(shaders::BuiltIn shaderID,
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std::string name,
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const std::string_view vertex,
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const std::string_view fragment,
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const ProgramParameters& programParameters,
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const mbgl::unordered_map<std::string, std::string>& additionalDefines) {
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auto program = std::make_unique<ShaderProgram>(
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shaderID, name, vertex, fragment, programParameters, additionalDefines, backend, *observer);
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return program;
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}
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gfx::UniqueDrawableBuilder Context::createDrawableBuilder(std::string name) {
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return std::make_unique<DrawableBuilder>(std::move(name));
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}
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gfx::UniformBufferPtr Context::createUniformBuffer(const void* data, std::size_t size, bool persistent) {
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return std::make_shared<UniformBuffer>(createBuffer(data, size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, persistent));
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}
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gfx::ShaderProgramBasePtr Context::getGenericShader(gfx::ShaderRegistry& shaders, const std::string& name) {
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const auto shaderGroup = shaders.getShaderGroup(name);
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auto shader = shaderGroup ? shaderGroup->getOrCreateShader(*this, {}) : gfx::ShaderProgramBasePtr{};
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return std::static_pointer_cast<gfx::ShaderProgramBase>(std::move(shader));
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}
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TileLayerGroupPtr Context::createTileLayerGroup(int32_t layerIndex, std::size_t initialCapacity, std::string name) {
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return std::make_shared<TileLayerGroup>(layerIndex, initialCapacity, std::move(name));
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}
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LayerGroupPtr Context::createLayerGroup(int32_t layerIndex, std::size_t initialCapacity, std::string name) {
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return std::make_shared<LayerGroup>(layerIndex, initialCapacity, name);
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}
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bool Context::emplaceOrUpdateUniformBuffer(gfx::UniformBufferPtr& buffer,
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const void* data,
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std::size_t size,
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bool persistent) {
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if (buffer) {
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buffer->update(data, size);
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return false;
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} else {
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buffer = createUniformBuffer(data, size, persistent);
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return true;
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}
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}
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gfx::Texture2DPtr Context::createTexture2D() {
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return std::make_shared<Texture2D>(*this);
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}
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RenderTargetPtr Context::createRenderTarget(const Size size, const gfx::TextureChannelDataType type) {
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return std::make_shared<RenderTarget>(*this, size, type);
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}
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std::unique_ptr<gfx::OffscreenTexture> Context::createOffscreenTexture(Size size,
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gfx::TextureChannelDataType type,
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bool depth,
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bool stencil) {
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return std::make_unique<OffscreenTexture>(*this, size, type, depth, stencil);
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}
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std::unique_ptr<gfx::OffscreenTexture> Context::createOffscreenTexture(Size size, gfx::TextureChannelDataType type) {
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return createOffscreenTexture(size, type, false, false);
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}
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std::unique_ptr<gfx::TextureResource> Context::createTextureResource(Size,
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gfx::TexturePixelType,
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gfx::TextureChannelDataType) {
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throw std::runtime_error("Vulkan TextureResource not implemented");
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return nullptr;
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}
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std::unique_ptr<gfx::RenderbufferResource> Context::createRenderbufferResource(gfx::RenderbufferPixelType, Size) {
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return std::make_unique<RenderbufferResource>();
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}
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std::unique_ptr<gfx::DrawScopeResource> Context::createDrawScopeResource() {
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throw std::runtime_error("Vulkan DrawScopeResource not implemented");
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return nullptr;
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}
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gfx::VertexAttributeArrayPtr Context::createVertexAttributeArray() const {
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return std::make_shared<VertexAttributeArray>();
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}
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#if !defined(NDEBUG)
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void Context::visualizeStencilBuffer() {}
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void Context::visualizeDepthBuffer(float) {}
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#endif // !defined(NDEBUG)
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void Context::clearStencilBuffer(int32_t) {
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// See `PaintParameters::clearStencil`
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assert(false);
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}
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void Context::bindGlobalUniformBuffers(gfx::RenderPass& renderPass) const noexcept {
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auto& renderPassImpl = static_cast<RenderPass&>(renderPass);
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auto& context = const_cast<Context&>(*this);
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auto& renderableResource = renderPassImpl.getDescriptor().renderable.getResource<SurfaceRenderableResource>();
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if (renderableResource.hasSurfaceTransformSupport()) {
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float surfaceRotation = renderableResource.getRotation();
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struct alignas(16) {
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alignas(16) std::array<float, 2> rotation0;
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alignas(16) std::array<float, 2> rotation1;
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} data;
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data = {{cosf(surfaceRotation), -sinf(surfaceRotation)}, {sinf(surfaceRotation), cosf(surfaceRotation)}};
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context.globalUniformBuffers.createOrUpdate(shaders::PlatformParamsUBO, &data, sizeof(data), context);
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}
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context.globalUniformBuffers.bindDescriptorSets(renderPassImpl.getEncoder());
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}
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bool Context::renderTileClippingMasks(gfx::RenderPass& renderPass,
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RenderStaticData& staticData,
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const std::vector<shaders::ClipUBO>& tileUBOs) {
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using ShaderClass = shaders::ShaderSource<shaders::BuiltIn::ClippingMaskProgram, gfx::Backend::Type::Vulkan>;
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if (!clipping.shader) {
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const auto group = staticData.shaders->getShaderGroup("ClippingMaskProgram");
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if (group) {
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clipping.shader = std::static_pointer_cast<gfx::ShaderProgramBase>(group->getOrCreateShader(*this, {}));
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}
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}
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if (!clipping.shader) {
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assert(!"Failed to create shader for clip masking");
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return false;
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}
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// Create a vertex buffer from the fixed tile coordinates
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if (!clipping.vertexBuffer) {
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const auto vertices = RenderStaticData::tileVertices();
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clipping.vertexBuffer.emplace(
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createBuffer(vertices.data(), vertices.bytes(), VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, false));
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}
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// Create a buffer from the fixed tile indexes
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if (!clipping.indexBuffer) {
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const auto indices = RenderStaticData::quadTriangleIndices();
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clipping.indexBuffer.emplace(
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createBuffer(indices.data(), indices.bytes(), VK_BUFFER_USAGE_INDEX_BUFFER_BIT, false));
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clipping.indexCount = 6;
|
|
}
|
|
|
|
// build pipeline
|
|
if (clipping.pipelineInfo.inputAttributes.empty()) {
|
|
clipping.pipelineInfo.usePushConstants = true;
|
|
|
|
clipping.pipelineInfo.colorBlend = false;
|
|
clipping.pipelineInfo.colorMask = vk::ColorComponentFlags();
|
|
|
|
clipping.pipelineInfo.depthTest = false;
|
|
clipping.pipelineInfo.depthWrite = false;
|
|
|
|
clipping.pipelineInfo.stencilTest = true;
|
|
clipping.pipelineInfo.stencilFunction = vk::CompareOp::eAlways;
|
|
clipping.pipelineInfo.stencilPass = vk::StencilOp::eReplace;
|
|
clipping.pipelineInfo.dynamicValues.stencilWriteMask = 0b11111111;
|
|
clipping.pipelineInfo.dynamicValues.stencilRef = 0b11111111;
|
|
|
|
clipping.pipelineInfo.inputBindings.push_back(
|
|
vk::VertexInputBindingDescription()
|
|
.setBinding(0)
|
|
.setStride(static_cast<uint32_t>(VertexAttribute::getStrideOf(ShaderClass::attributes[0].dataType)))
|
|
.setInputRate(vk::VertexInputRate::eVertex));
|
|
|
|
clipping.pipelineInfo.inputAttributes.push_back(
|
|
vk::VertexInputAttributeDescription()
|
|
.setBinding(0)
|
|
.setLocation(static_cast<uint32_t>(ShaderClass::attributes[0].index))
|
|
.setFormat(PipelineInfo::vulkanFormat(ShaderClass::attributes[0].dataType)));
|
|
}
|
|
|
|
auto& shaderImpl = static_cast<ShaderProgram&>(*clipping.shader);
|
|
auto& renderPassImpl = static_cast<RenderPass&>(renderPass);
|
|
auto& commandBuffer = renderPassImpl.getEncoder().getCommandBuffer();
|
|
|
|
clipping.pipelineInfo.setRenderable(renderPassImpl.getDescriptor().renderable);
|
|
|
|
const auto& pipeline = shaderImpl.getPipeline(clipping.pipelineInfo);
|
|
|
|
commandBuffer->bindPipeline(vk::PipelineBindPoint::eGraphics, pipeline.get());
|
|
clipping.pipelineInfo.setDynamicValues(backend, commandBuffer);
|
|
|
|
const std::array<vk::Buffer, 1> vertexBuffers = {clipping.vertexBuffer->getVulkanBuffer()};
|
|
const std::array<vk::DeviceSize, 1> offset = {0};
|
|
|
|
commandBuffer->bindVertexBuffers(0, vertexBuffers, offset);
|
|
commandBuffer->bindIndexBuffer(clipping.indexBuffer->getVulkanBuffer(), 0, vk::IndexType::eUint16);
|
|
|
|
auto& renderableResource = renderPassImpl.getDescriptor().renderable.getResource<SurfaceRenderableResource>();
|
|
const float rad = renderableResource.getRotation();
|
|
const mat4 rotationMat = {cos(rad), -sin(rad), 0, 0, sin(rad), cos(rad), 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
|
|
|
|
for (const auto& tileInfo : tileUBOs) {
|
|
commandBuffer->setStencilReference(vk::StencilFaceFlagBits::eFrontAndBack, tileInfo.stencil_ref);
|
|
|
|
mat4 matrix;
|
|
matrix::multiply(matrix, rotationMat, tileInfo.matrix);
|
|
const auto& matrixf = util::cast<float>(matrix);
|
|
|
|
commandBuffer->pushConstants(
|
|
getPushConstantPipelineLayout().get(),
|
|
vk::ShaderStageFlags() | vk::ShaderStageFlagBits::eVertex | vk::ShaderStageFlagBits::eFragment,
|
|
0,
|
|
sizeof(matrixf),
|
|
&matrixf);
|
|
commandBuffer->drawIndexed(clipping.indexCount, 1, 0, 0, 0);
|
|
}
|
|
|
|
stats.numDrawCalls++;
|
|
stats.totalDrawCalls++;
|
|
return true;
|
|
}
|
|
|
|
const std::unique_ptr<BufferResource>& Context::getDummyVertexBuffer() {
|
|
if (!dummyVertexBuffer)
|
|
dummyVertexBuffer = std::make_unique<BufferResource>(
|
|
*this, nullptr, 16, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, false);
|
|
return dummyVertexBuffer;
|
|
}
|
|
|
|
const std::unique_ptr<BufferResource>& Context::getDummyUniformBuffer() {
|
|
if (!dummyUniformBuffer)
|
|
dummyUniformBuffer = std::make_unique<BufferResource>(
|
|
*this, nullptr, 16, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, false);
|
|
return dummyUniformBuffer;
|
|
}
|
|
|
|
const std::unique_ptr<Texture2D>& Context::getDummyTexture() {
|
|
if (!dummyTexture2D) {
|
|
const Size size(2, 2);
|
|
const std::vector<Color> data(4ull * size.width * size.height, Color::white());
|
|
|
|
dummyTexture2D = std::make_unique<Texture2D>(*this);
|
|
dummyTexture2D->setFormat(gfx::TexturePixelType::RGBA, gfx::TextureChannelDataType::UnsignedByte);
|
|
dummyTexture2D->setSize(size);
|
|
|
|
submitOneTimeCommand([&](const vk::UniqueCommandBuffer& commandBuffer) {
|
|
dummyTexture2D->uploadSubRegion(data.data(), size, 0, 0, commandBuffer);
|
|
});
|
|
}
|
|
|
|
return dummyTexture2D;
|
|
}
|
|
|
|
void Context::buildUniformDescriptorSetLayout(vk::UniqueDescriptorSetLayout& layout,
|
|
size_t uniformCount,
|
|
const std::string& name) {
|
|
std::vector<vk::DescriptorSetLayoutBinding> bindings;
|
|
const auto stageFlags = vk::ShaderStageFlags() | vk::ShaderStageFlagBits::eVertex |
|
|
vk::ShaderStageFlagBits::eFragment;
|
|
|
|
for (size_t i = 0; i < uniformCount; ++i) {
|
|
bindings.push_back(vk::DescriptorSetLayoutBinding()
|
|
.setBinding(i)
|
|
.setStageFlags(stageFlags)
|
|
.setDescriptorType(vk::DescriptorType::eUniformBuffer)
|
|
.setDescriptorCount(1));
|
|
}
|
|
|
|
const auto descriptorSetLayoutCreateInfo = vk::DescriptorSetLayoutCreateInfo().setBindings(bindings);
|
|
layout = backend.getDevice()->createDescriptorSetLayoutUnique(descriptorSetLayoutCreateInfo);
|
|
backend.setDebugName(layout.get(), name);
|
|
}
|
|
|
|
void Context::buildImageDescriptorSetLayout() {
|
|
std::vector<vk::DescriptorSetLayoutBinding> bindings;
|
|
|
|
for (size_t i = 0; i < shaders::maxTextureCountPerShader; ++i) {
|
|
bindings.push_back(vk::DescriptorSetLayoutBinding()
|
|
.setBinding(static_cast<uint32_t>(i))
|
|
.setStageFlags(vk::ShaderStageFlagBits::eFragment)
|
|
.setDescriptorType(vk::DescriptorType::eCombinedImageSampler)
|
|
.setDescriptorCount(1));
|
|
}
|
|
|
|
const auto descriptorSetLayoutCreateInfo = vk::DescriptorSetLayoutCreateInfo().setBindings(bindings);
|
|
drawableImageDescriptorSetLayout = backend.getDevice()->createDescriptorSetLayoutUnique(
|
|
descriptorSetLayoutCreateInfo);
|
|
backend.setDebugName(drawableImageDescriptorSetLayout.get(), "ImageDescriptorSetLayout");
|
|
}
|
|
|
|
const vk::DescriptorSetLayout& Context::getDescriptorSetLayout(DescriptorSetType type) {
|
|
switch (type) {
|
|
case DescriptorSetType::Global:
|
|
return globalUniformDescriptorSetLayout.get();
|
|
|
|
case DescriptorSetType::Layer:
|
|
return layerUniformDescriptorSetLayout.get();
|
|
|
|
case DescriptorSetType::DrawableUniform:
|
|
return drawableUniformDescriptorSetLayout.get();
|
|
|
|
case DescriptorSetType::DrawableImage:
|
|
return drawableImageDescriptorSetLayout.get();
|
|
|
|
default:
|
|
assert(static_cast<uint32_t>(type) < static_cast<uint32_t>(DescriptorSetType::Count));
|
|
return globalUniformDescriptorSetLayout.get();
|
|
break;
|
|
}
|
|
}
|
|
|
|
DescriptorPoolGrowable& Context::getDescriptorPool(DescriptorSetType type) {
|
|
assert(static_cast<uint32_t>(type) < static_cast<uint32_t>(DescriptorSetType::Count));
|
|
return descriptorPoolMap[type];
|
|
}
|
|
|
|
const vk::UniquePipelineLayout& Context::getGeneralPipelineLayout() {
|
|
if (generalPipelineLayout) return generalPipelineLayout;
|
|
|
|
const std::vector<vk::DescriptorSetLayout> layouts = {
|
|
globalUniformDescriptorSetLayout.get(),
|
|
layerUniformDescriptorSetLayout.get(),
|
|
drawableUniformDescriptorSetLayout.get(),
|
|
drawableImageDescriptorSetLayout.get(),
|
|
};
|
|
|
|
generalPipelineLayout = backend.getDevice()->createPipelineLayoutUnique(
|
|
vk::PipelineLayoutCreateInfo().setSetLayouts(layouts));
|
|
|
|
backend.setDebugName(generalPipelineLayout.get(), "PipelineLayout_general");
|
|
|
|
return generalPipelineLayout;
|
|
}
|
|
|
|
const vk::UniquePipelineLayout& Context::getPushConstantPipelineLayout() {
|
|
if (pushConstantPipelineLayout) return pushConstantPipelineLayout;
|
|
|
|
const auto stages = vk::ShaderStageFlags() | vk::ShaderStageFlagBits::eVertex | vk::ShaderStageFlagBits::eFragment;
|
|
const auto pushConstant = vk::PushConstantRange().setSize(sizeof(matf4)).setStageFlags(stages);
|
|
|
|
pushConstantPipelineLayout = backend.getDevice()->createPipelineLayoutUnique(
|
|
vk::PipelineLayoutCreateInfo().setPushConstantRanges(pushConstant));
|
|
|
|
backend.setDebugName(pushConstantPipelineLayout.get(), "PipelineLayout_pushConstants");
|
|
|
|
return pushConstantPipelineLayout;
|
|
}
|
|
|
|
void Context::FrameResources::runDeletionQueue(Context& context) {
|
|
MLN_TRACE_FUNC();
|
|
|
|
for (const auto& function : deletionQueue) function(context);
|
|
|
|
deletionQueue.clear();
|
|
}
|
|
|
|
} // namespace vulkan
|
|
} // namespace mbgl
|