OrdinaryMagician/vkdoom_m
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- implement shadow maps

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This commit is contained in:
Magnus Norddahl 2019-03-15 07:54:34 +01:00
commit cce96ca87a
16 changed files with 199 additions and 25 deletions
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40
src/rendering/vulkan/renderer/vk_renderbuffers.cpp
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@ -55,6 +55,8 @@ void VkRenderBuffers::BeginFrame(int width, int height, int sceneWidth, int scen
if (width != mWidth || height != mHeight || mSamples != samples)
CreateScene(width, height, samples);
CreateShadowmap();
mWidth = width;
mHeight = height;
mSamples = samples;
@ -206,3 +208,41 @@ void VkRenderBuffers::CreateSceneNormal(int width, int height, VkSampleCountFlag
SceneNormalView = viewbuilder.create(fb->device);
SceneNormalView->SetDebugName("VkRenderBuffers.SceneNormalView");
}
void VkRenderBuffers::CreateShadowmap()
{
if (Shadowmap && Shadowmap->width == gl_shadowmap_quality)
return;
Shadowmap.reset();
ShadowmapView.reset();
auto fb = GetVulkanFrameBuffer();
ImageBuilder builder;
builder.setSize(gl_shadowmap_quality, 1024);
builder.setFormat(VK_FORMAT_R32_SFLOAT);
builder.setUsage(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_SAMPLED_BIT);
Shadowmap = builder.create(fb->device);
Shadowmap->SetDebugName("VkRenderBuffers.Shadowmap");
ImageViewBuilder viewbuilder;
viewbuilder.setImage(Shadowmap.get(), VK_FORMAT_R32_SFLOAT);
ShadowmapView = viewbuilder.create(fb->device);
ShadowmapView->SetDebugName("VkRenderBuffers.ShadowmapView");
PipelineBarrier barrier;
barrier.addImage(Shadowmap.get(), VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, 0, VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT);
barrier.execute(fb->GetDrawCommands(), VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
if (!ShadowmapSampler)
{
SamplerBuilder builder;
builder.setMipmapMode(VK_SAMPLER_MIPMAP_MODE_NEAREST);
builder.setMinFilter(VK_FILTER_NEAREST);
builder.setMagFilter(VK_FILTER_NEAREST);
builder.setAddressMode(VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE);
ShadowmapSampler = builder.create(fb->device);
ShadowmapSampler->SetDebugName("VkRenderBuffers.ShadowmapSampler");
}
}