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Merge pull request #48 from MrRaveYard/pr_flush_cmd_buffer

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Flush scene buffers if next surface is out of space
This commit is contained in:
Magnus Norddahl 2022-10-25 23:42:10 +02:00 committed by GitHub
commit ee0740b0eb
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 34 additions and 17 deletions
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27
src/lightmap/gpuraytracer.cpp
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@ -97,6 +97,7 @@ void GPURaytracer::RenderAtlasImage(size_t pageIndex)
{
LightmapImage& img = atlasImages[pageIndex];
const auto beginPass = [&]() {
RenderPassBegin()
.RenderPass(raytrace.renderPass.get())
.RenderArea(0, 0, atlasImageSize, atlasImageSize)
@ -108,6 +109,8 @@ void GPURaytracer::RenderAtlasImage(size_t pageIndex)
cmdbuffer->bindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, raytrace.pipeline.get());
cmdbuffer->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, raytrace.pipelineLayout.get(), 0, raytrace.descriptorSet0.get());
cmdbuffer->bindDescriptorSet(VK_PIPELINE_BIND_POINT_GRAPHICS, raytrace.pipelineLayout.get(), 1, raytrace.descriptorSet1.get());
};
beginPass();
for (size_t i = 0; i < mesh->surfaces.size(); i++)
{
@ -135,10 +138,29 @@ void GPURaytracer::RenderAtlasImage(size_t pageIndex)
continue; // Bounding box not visible
int firstLight = sceneLightPos;
int firstVertex = sceneVertexPos;
int lightCount = (int)surface->LightList.size();
int vertexCount = (int)surface->verts.size();
if (sceneLightPos + lightCount > SceneLightBufferSize || sceneVertexPos + vertexCount > SceneVertexBufferSize)
{
// Flush scene buffers
FinishCommands();
sceneLightPos = 0;
sceneVertexPos = 0;
BeginCommands();
beginPass();
if (sceneLightPos + lightCount > SceneLightBufferSize)
{
throw std::runtime_error("SceneLightBuffer is too small!");
}
else if (sceneVertexPos + vertexCount > SceneVertexBufferSize)
{
throw std::runtime_error("SceneVertexBuffer is too small!");
}
}
sceneLightPos += lightCount;
sceneVertexPos += vertexCount;
LightInfo* lightinfo = &sceneLights[firstLight];
for (ThingLight* light : surface->LightList)
@ -162,11 +184,6 @@ void GPURaytracer::RenderAtlasImage(size_t pageIndex)
pc.LightmapStepY = targetSurface->worldStepY * viewport.height;
cmdbuffer->pushConstants(raytrace.pipelineLayout.get(), VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(PushConstants), &pc);
int firstVertex = sceneVertexPos;
int vertexCount = (int)surface->verts.size();
if (sceneVertexPos + vertexCount > SceneVertexBufferSize)
throw std::runtime_error("SceneVertexBuffer is too small!");
sceneVertexPos += vertexCount;
SceneVertex* vertex = &sceneVertices[firstVertex];
if (surface->type == ST_FLOOR || surface->type == ST_CEILING)