OrdinaryMagician/vkdoom_m
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Change the folder structure of the vulkan backend to better reflect what is going on

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This commit is contained in:
Magnus Norddahl 2023-04-16 16:39:15 +02:00
commit 295eb252ab
37 changed files with 119 additions and 110 deletions
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139
src/common/rendering/vulkan/renderer/vk_pprenderstate.cpp
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/*
** Vulkan backend
** Copyright (c) 2016-2020 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#include "vk_pprenderstate.h"
#include "vk_postprocess.h"
#include "vulkan/system/vk_renderdevice.h"
#include "vulkan/system/vk_commandbuffer.h"
#include <zvulkan/vulkanswapchain.h>
#include "vulkan/system/vk_buffer.h"
#include "vulkan/shaders/vk_ppshader.h"
#include "vulkan/textures/vk_pptexture.h"
#include "vulkan/textures/vk_renderbuffers.h"
#include "vulkan/textures/vk_samplers.h"
#include "vulkan/textures/vk_texture.h"
#include "vulkan/textures/vk_framebuffer.h"
#include "vulkan/renderer/vk_renderstate.h"
#include "vulkan/renderer/vk_descriptorset.h"
#include "flatvertices.h"
VkPPRenderState::VkPPRenderState(VulkanRenderDevice* fb) : fb(fb)
{
}
void VkPPRenderState::PushGroup(const FString &name)
{
fb->GetCommands()->PushGroup(name);
}
void VkPPRenderState::PopGroup()
{
fb->GetCommands()->PopGroup();
}
void VkPPRenderState::Draw()
{
fb->GetRenderState()->EndRenderPass();
VkPPRenderPassKey key;
key.BlendMode = BlendMode;
key.InputTextures = Textures.Size();
key.Uniforms = Uniforms.Data.Size();
key.Shader = fb->GetShaderManager()->GetVkShader(Shader);
key.SwapChain = (Output.Type == PPTextureType::SwapChain);
key.ShadowMapBuffers = ShadowMapBuffers;
if (Output.Type == PPTextureType::PPTexture)
key.OutputFormat = fb->GetTextureManager()->GetTextureFormat(Output.Texture);
else if (Output.Type == PPTextureType::SwapChain)
key.OutputFormat = fb->GetFramebufferManager()->SwapChain->Format().format;
else if (Output.Type == PPTextureType::ShadowMap)
key.OutputFormat = VK_FORMAT_R32_SFLOAT;
else
key.OutputFormat = VK_FORMAT_R16G16B16A16_SFLOAT;
if (Output.Type == PPTextureType::SceneColor)
{
key.StencilTest = WhichDepthStencil::Scene;
key.Samples = fb->GetBuffers()->GetSceneSamples();
}
else
{
key.StencilTest = WhichDepthStencil::None;
key.Samples = VK_SAMPLE_COUNT_1_BIT;
}
auto passSetup = fb->GetRenderPassManager()->GetPPRenderPass(key);
int framebufferWidth = 0, framebufferHeight = 0;
VulkanDescriptorSet *input = fb->GetDescriptorSetManager()->GetInput(passSetup, Textures, ShadowMapBuffers);
VulkanFramebuffer *output = fb->GetBuffers()->GetOutput(passSetup, Output, key.StencilTest, framebufferWidth, framebufferHeight);
RenderScreenQuad(passSetup, input, output, framebufferWidth, framebufferHeight, Viewport.left, Viewport.top, Viewport.width, Viewport.height, Uniforms.Data.Data(), Uniforms.Data.Size(), key.StencilTest == WhichDepthStencil::Scene);
// Advance to next PP texture if our output was sent there
if (Output.Type == PPTextureType::NextPipelineTexture)
{
auto pp = fb->GetPostprocess();
pp->mCurrentPipelineImage = (pp->mCurrentPipelineImage + 1) % VkRenderBuffers::NumPipelineImages;
}
}
void VkPPRenderState::RenderScreenQuad(VkPPRenderPassSetup *passSetup, VulkanDescriptorSet *descriptorSet, VulkanFramebuffer *framebuffer, int framebufferWidth, int framebufferHeight, int x, int y, int width, int height, const void *pushConstants, uint32_t pushConstantsSize, bool stencilTest)
{
auto cmdbuffer = fb->GetCommands()->GetDrawCommands();
VkViewport viewport = { };
viewport.x = (float)x;
viewport.y = (float)y;
viewport.width = (float)width;
viewport.height = (float)height;
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
VkRect2D scissor = { };
scissor.offset.x = 0;
scissor.offset.y = 0;
scissor.extent.width = framebufferWidth;
scissor.extent.height = framebufferHeight;
RenderPassBegin()
.RenderPass(passSetup->RenderPass.get())
.RenderArea(0, 0, framebufferWidth, framebufferHeight)
.Framebuffer(framebuffer)
.AddClearColor(0.0f, 0.0f, 0.0f, 1.0f)
.Execute(cmdbuffer);
VkBuffer vertexBuffers[] = { static_cast<VkHardwareVertexBuffer*>(screen->mVertexData->GetBufferObjects().first)->mBuffer->buffer };
VkDeviceSize offsets[] = { 0 };
cmdbuffer->bindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, passSetup->Pipeline.get());
cmdbuffer->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, passSetup->PipelineLayout.get(), 0, descriptorSet);
cmdbuffer->bindVertexBuffers(0, 1, vertexBuffers, offsets);
cmdbuffer->setViewport(0, 1, &viewport);
cmdbuffer->setScissor(0, 1, &scissor);
if (stencilTest)
cmdbuffer->setStencilReference(VK_STENCIL_FRONT_AND_BACK, screen->stencilValue);
if (pushConstantsSize > 0)
cmdbuffer->pushConstants(passSetup->PipelineLayout.get(), VK_SHADER_STAGE_FRAGMENT_BIT, 0, pushConstantsSize, pushConstants);
cmdbuffer->draw(3, 1, FFlatVertexBuffer::PRESENT_INDEX, 0);
cmdbuffer->endRenderPass();
}