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实现延迟渲染之间的信号等待(未完成)

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This commit is contained in:
hyzboy
2019-07-16 21:32:29 +08:00
parent 396363d303
commit ad200efa71
5 changed files with 32 additions and 4 deletions
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25
example/Vulkan/Deferred.cpp
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@@ -46,6 +46,11 @@ private:
struct DeferredGBuffer
{
vulkan::Semaphore *present_complete_semaphore =nullptr,
*render_complete_semaphore =nullptr;
vulkan::RenderTarget *rt;
VkExtent2D extent;
vulkan::Framebuffer *framebuffer;
vulkan::RenderPass *renderpass;
@@ -152,6 +157,9 @@ private:
gbuffer.extent.width =512;
gbuffer.extent.height =512;
gbuffer.present_complete_semaphore =device->CreateSem();
gbuffer.render_complete_semaphore =device->CreateSem();
//根据候选格式表选择格式
//const VkFormat position_format =GetCandidateFormat(position_candidate_format, sizeof(position_candidate_format));
//const VkFormat color_format =GetCandidateFormat(color_candidate_format, sizeof(color_candidate_format));
@@ -208,6 +216,8 @@ private:
if(!gbuffer.framebuffer)
return(false);
gbuffer.rt=device->CreateRenderTarget(gbuffer.framebuffer);
return(true);
}
@@ -227,7 +237,7 @@ private:
bool InitGBufferPipeline(SubpassParam *sp)
{
AutoDelete<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,sp->material,gbuffer.renderpass,gbuffer.extent);
AutoDelete<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,sp->material,gbuffer.rt);
pipeline_creater->Set(PRIM_TRIANGLES);
sp->pipeline_solid=pipeline_creater->Create();
@@ -400,7 +410,7 @@ private:
return(false);
gbuffer_cmd->Begin();
if(!gbuffer_cmd->BeginRenderPass(gbuffer.renderpass,gbuffer.framebuffer))
if(!gbuffer_cmd->BeginRenderPass(gbuffer.rt))
return(false);
render_list.Render(gbuffer_cmd);
@@ -408,7 +418,7 @@ private:
gbuffer_cmd->EndRenderPass();
gbuffer_cmd->End();
device->Submit(*gbuffer_cmd);
gbuffer.rt->Submit(*gbuffer_cmd,gbuffer.present_complete_semaphore,gbuffer.render_complete_semaphore);
return(true);
}
@@ -435,6 +445,15 @@ public:
return(true);
}
virtual void SubmitDraw(int index)
{
VkCommandBuffer cb=*cmd_buf[index];
sc_render_target->Submit(cb,present_complete_semaphore,render_complete_semaphore);
sc_render_target->PresentBackbuffer(render_complete_semaphore);
sc_render_target->Wait();
}
void BuildCommandBuffer(uint32_t index) override
{
render_root.RefreshMatrix();