OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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- create a render pass for each blend setup

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This commit is contained in:
Magnus Norddahl 2019-03-01 00:42:51 +01:00
commit 7f3e473f56
5 changed files with 83 additions and 15 deletions
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50
src/rendering/vulkan/renderer/vk_renderpass.cpp
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@ -23,7 +23,7 @@ void VkRenderPassManager::BeginFrame()
{
auto fb = GetVulkanFrameBuffer();
RenderPassSetup.reset();
RenderPassSetup.clear();
SceneColorView.reset();
SceneDepthStencilView.reset();
SceneDepthView.reset();
@ -49,11 +49,17 @@ void VkRenderPassManager::BeginFrame()
viewbuilder.setImage(SceneDepthStencil.get(), VK_FORMAT_D24_UNORM_S8_UINT, VK_IMAGE_ASPECT_DEPTH_BIT);
SceneDepthView = viewbuilder.create(fb->device);
RenderPassSetup.reset(new VkRenderPassSetup());
}
}
VkRenderPassSetup *VkRenderPassManager::GetRenderPass(const VkRenderPassKey &key)
{
auto &item = RenderPassSetup[key];
if (!item)
item.reset(new VkRenderPassSetup(key));
return item.get();
}
void VkRenderPassManager::CreateDynamicSetLayout()
{
DescriptorSetLayoutBuilder builder;
@ -114,24 +120,24 @@ void VkRenderPassManager::CreateDynamicSet()
/////////////////////////////////////////////////////////////////////////////
VkRenderPassSetup::VkRenderPassSetup()
VkRenderPassSetup::VkRenderPassSetup(const VkRenderPassKey &key)
{
CreateRenderPass();
CreatePipeline();
CreatePipeline(key);
CreateFramebuffer();
}
void VkRenderPassSetup::CreateRenderPass()
{
RenderPassBuilder builder;
builder.addRgba16fAttachment(true, VK_IMAGE_LAYOUT_GENERAL);
builder.addRgba16fAttachment(false, VK_IMAGE_LAYOUT_GENERAL);
builder.addSubpass();
builder.addSubpassColorAttachmentRef(0, VK_IMAGE_LAYOUT_GENERAL);
builder.addExternalSubpassDependency();
RenderPass = builder.create(GetVulkanFrameBuffer()->device);
}
void VkRenderPassSetup::CreatePipeline()
void VkRenderPassSetup::CreatePipeline(const VkRenderPassKey &key)
{
auto fb = GetVulkanFrameBuffer();
GraphicsPipelineBuilder builder;
@ -169,7 +175,35 @@ void VkRenderPassSetup::CreatePipeline()
builder.setViewport(0.0f, 0.0f, (float)SCREENWIDTH, (float)SCREENHEIGHT);
builder.setScissor(0, 0, SCREENWIDTH, SCREENHEIGHT);
builder.setAlphaBlendMode();
static const int blendstyles[] = {
VK_BLEND_FACTOR_ZERO,
VK_BLEND_FACTOR_ONE,
VK_BLEND_FACTOR_SRC_ALPHA,
VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
VK_BLEND_FACTOR_SRC_COLOR,
VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR,
VK_BLEND_FACTOR_DST_COLOR,
VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR,
};
static const int renderops[] = {
0, VK_BLEND_OP_ADD, VK_BLEND_OP_SUBTRACT, VK_BLEND_OP_REVERSE_SUBTRACT, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
int srcblend = blendstyles[key.RenderStyle.SrcAlpha%STYLEALPHA_MAX];
int dstblend = blendstyles[key.RenderStyle.DestAlpha%STYLEALPHA_MAX];
int blendequation = renderops[key.RenderStyle.BlendOp & 15];
if (blendequation == -1) // This was a fuzz style.
{
srcblend = VK_BLEND_FACTOR_DST_COLOR;
dstblend = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
blendequation = VK_BLEND_OP_ADD;
}
builder.setBlendMode((VkBlendOp)blendequation, (VkBlendFactor)srcblend, (VkBlendFactor)dstblend);
builder.setLayout(fb->GetRenderPassManager()->PipelineLayout.get());
builder.setRenderPass(RenderPass.get());
Pipeline = builder.create(fb->device);