cocos_lib/cocos/renderer/gfx-empty/EmptyDevice.cpp

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#include "EmptyDevice.h"
#include <thread>
#include "EmptyBuffer.h"
#include "EmptyCommandBuffer.h"
#include "EmptyDescriptorSet.h"
#include "EmptyDescriptorSetLayout.h"
#include "EmptyFramebuffer.h"
#include "EmptyInputAssembler.h"
#include "EmptyPipelineLayout.h"
#include "EmptyPipelineState.h"
#include "EmptyQueryPool.h"
#include "EmptyQueue.h"
#include "EmptyRenderPass.h"
#include "EmptyShader.h"
#include "EmptySwapchain.h"
#include "EmptyTexture.h"
#include "base/Log.h"

namespace cc {
namespace gfx {

EmptyDevice *EmptyDevice::instance = nullptr;

EmptyDevice *EmptyDevice::getInstance() {
    return EmptyDevice::instance;
}

EmptyDevice::EmptyDevice() {
    EmptyDevice::instance = this;
}

EmptyDevice::~EmptyDevice() {
    EmptyDevice::instance = nullptr;
}

bool EmptyDevice::doInit(const DeviceInfo & /*info*/) {
    QueueInfo queueInfo;
    queueInfo.type = QueueType::GRAPHICS;
    _queue = createQueue(queueInfo);

    QueryPoolInfo queryPoolInfo{QueryType::OCCLUSION, DEFAULT_MAX_QUERY_OBJECTS, true};
    _queryPool = createQueryPool(queryPoolInfo);

    CommandBufferInfo cmdBuffInfo;
    cmdBuffInfo.type = CommandBufferType::PRIMARY;
    cmdBuffInfo.queue = _queue;
    _cmdBuff = createCommandBuffer(cmdBuffInfo);

    _formatFeatures.fill(static_cast<FormatFeature>(-1)); // allow all usages for all formats
    _formatFeatures[toNumber(Format::UNKNOWN)] = FormatFeature::NONE;

    CC_LOG_INFO("Empty device initialized.");

    return true;
}

void EmptyDevice::doDestroy() {
    CC_SAFE_DESTROY_AND_DELETE(_cmdBuff);
    CC_SAFE_DESTROY_AND_DELETE(_queryPool);
    CC_SAFE_DESTROY_AND_DELETE(_queue);
}

void EmptyDevice::acquire(Swapchain *const * /*swapchains*/, uint32_t /*count*/) {
    if (_onAcquire) _onAcquire->execute();
}

void EmptyDevice::present() {
    std::this_thread::sleep_for(std::chrono::milliseconds(16));
}

CommandBuffer *EmptyDevice::createCommandBuffer(const CommandBufferInfo & /*info*/, bool /*hasAgent*/) {
    return ccnew EmptyCommandBuffer;
}

Queue *EmptyDevice::createQueue() {
    return ccnew EmptyQueue;
}

QueryPool *EmptyDevice::createQueryPool() {
    return ccnew EmptyQueryPool;
}

Swapchain *EmptyDevice::createSwapchain() {
    return ccnew EmptySwapchain;
}

Buffer *EmptyDevice::createBuffer() {
    return ccnew EmptyBuffer;
}

Texture *EmptyDevice::createTexture() {
    return ccnew EmptyTexture;
}

Shader *EmptyDevice::createShader() {
    return ccnew EmptyShader;
}

InputAssembler *EmptyDevice::createInputAssembler() {
    return ccnew EmptyInputAssembler;
}

RenderPass *EmptyDevice::createRenderPass() {
    return ccnew EmptyRenderPass;
}

Framebuffer *EmptyDevice::createFramebuffer() {
    return ccnew EmptyFramebuffer;
}

DescriptorSet *EmptyDevice::createDescriptorSet() {
    return ccnew EmptyDescriptorSet;
}

DescriptorSetLayout *EmptyDevice::createDescriptorSetLayout() {
    return ccnew EmptyDescriptorSetLayout;
}

PipelineLayout *EmptyDevice::createPipelineLayout() {
    return ccnew EmptyPipelineLayout;
}

PipelineState *EmptyDevice::createPipelineState() {
    return ccnew EmptyPipelineState;
}

void EmptyDevice::copyBuffersToTexture(const uint8_t *const *buffers, Texture *dst, const BufferTextureCopy *regions, uint32_t count) {
}

void EmptyDevice::copyTextureToBuffers(Texture *src, uint8_t *const *buffers, const BufferTextureCopy *region, uint32_t count) {
}

void EmptyDevice::getQueryPoolResults(QueryPool *queryPool) {
}

} // namespace gfx
} // namespace cc