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Fixed transient vertex buffer when vertex layout allocation fails.

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This commit is contained in:
Бранимир Караџић 2021-09-16 18:32:58 -07:00
parent 1a001a67db
commit 227ea05dee
2 changed files with 38 additions and 37 deletions
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9
src/bgfx.cpp
View File

@ -4236,7 +4236,14 @@ namespace bgfx
BX_ASSERT(0 < _num, "Requesting 0 vertices.");
BX_ASSERT(isValid(_layout), "Invalid VertexLayout.");
s_ctx->allocTransientVertexBuffer(_tvb, _num, _layout);
VertexLayoutHandle layoutHandle;
{
BGFX_MUTEX_SCOPE(s_ctx->m_resourceApiLock);
layoutHandle = s_ctx->findOrCreateVertexLayout(_layout, true);
}
BX_ASSERT(isValid(layoutHandle), "Failed to allocate vertex layout handle (BGFX_CONFIG_MAX_VERTEX_LAYOUTS, max: %d).", BGFX_CONFIG_MAX_VERTEX_LAYOUTS);
s_ctx->allocTransientVertexBuffer(_tvb, _num, layoutHandle, _layout.m_stride);
BX_ASSERT(_num == _tvb->size / _layout.m_stride
, "Failed to allocate transient vertex buffer (requested %d, available %d). "

66
src/bgfx_p.h
View File

@ -3195,21 +3195,29 @@ namespace bgfx
cmdbuf.write(_handle);
}
VertexLayoutHandle findVertexLayout(const VertexLayout& _layout)
VertexLayoutHandle findOrCreateVertexLayout(const VertexLayout& _layout, bool _refCountOnCreation = false)
{
VertexLayoutHandle layoutHandle = m_vertexLayoutRef.find(_layout.m_hash);
if (isValid(layoutHandle) )
{
return layoutHandle;
}
layoutHandle = { m_layoutHandle.alloc() };
if (!isValid(layoutHandle) )
{
layoutHandle.idx = m_layoutHandle.alloc();
if (!isValid(layoutHandle) )
{
return layoutHandle;
}
BX_TRACE("WARNING: Failed to allocate vertex layout handle (BGFX_CONFIG_MAX_VERTEX_LAYOUTS, max: %d).", BGFX_CONFIG_MAX_VERTEX_LAYOUTS);
return BGFX_INVALID_HANDLE;
}
CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::CreateVertexLayout);
cmdbuf.write(layoutHandle);
cmdbuf.write(_layout);
CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::CreateVertexLayout);
cmdbuf.write(layoutHandle);
cmdbuf.write(_layout);
if (_refCountOnCreation)
{
m_vertexLayoutRef.add(layoutHandle, _layout.m_hash);
}
return layoutHandle;
@ -3219,10 +3227,9 @@ namespace bgfx
{
BGFX_MUTEX_SCOPE(m_resourceApiLock);
VertexLayoutHandle handle = findVertexLayout(_layout);
VertexLayoutHandle handle = findOrCreateVertexLayout(_layout);
if (!isValid(handle) )
{
BX_TRACE("WARNING: Failed to allocate vertex layout handle (BGFX_CONFIG_MAX_VERTEX_LAYOUTS, max: %d).", BGFX_CONFIG_MAX_VERTEX_LAYOUTS);
return BGFX_INVALID_HANDLE;
}
@ -3248,7 +3255,7 @@ namespace bgfx
if (isValid(handle) )
{
VertexLayoutHandle layoutHandle = findVertexLayout(_layout);
VertexLayoutHandle layoutHandle = findOrCreateVertexLayout(_layout);
if (!isValid(layoutHandle) )
{
BX_TRACE("WARNING: Failed to allocate vertex layout handle (BGFX_CONFIG_MAX_VERTEX_LAYOUTS, max: %d).", BGFX_CONFIG_MAX_VERTEX_LAYOUTS);
@ -3558,7 +3565,7 @@ namespace bgfx
{
BGFX_MUTEX_SCOPE(m_resourceApiLock);
VertexLayoutHandle layoutHandle = findVertexLayout(_layout);
VertexLayoutHandle layoutHandle = findOrCreateVertexLayout(_layout);
if (!isValid(layoutHandle) )
{
BX_TRACE("WARNING: Failed to allocate vertex layout handle (BGFX_CONFIG_MAX_VERTEX_LAYOUTS, max: %d).", BGFX_CONFIG_MAX_VERTEX_LAYOUTS);
@ -3791,7 +3798,7 @@ namespace bgfx
if (NULL != _layout)
{
layoutHandle = findVertexLayout(*_layout);
layoutHandle = findOrCreateVertexLayout(*_layout);
m_vertexLayoutRef.add(handle, layoutHandle, _layout->m_hash);
stride = _layout->m_stride;
@ -3830,32 +3837,19 @@ namespace bgfx
BX_ALIGNED_FREE(g_allocator, _tvb, 16);
}
BGFX_API_FUNC(void allocTransientVertexBuffer(TransientVertexBuffer* _tvb, uint32_t _num, const VertexLayout& _layout) )
BGFX_API_FUNC(void allocTransientVertexBuffer(TransientVertexBuffer* _tvb, uint32_t _num, VertexLayoutHandle _layoutHandle, uint16_t _stride) )
{
BGFX_MUTEX_SCOPE(m_resourceApiLock);
VertexLayoutHandle layoutHandle = m_vertexLayoutRef.find(_layout.m_hash);
const uint32_t offset = m_submit->allocTransientVertexBuffer(_num, _stride);
const TransientVertexBuffer& dvb = *m_submit->m_transientVb;
TransientVertexBuffer& dvb = *m_submit->m_transientVb;
if (!isValid(layoutHandle) )
{
VertexLayoutHandle temp = { m_layoutHandle.alloc() };
layoutHandle = temp;
CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::CreateVertexLayout);
cmdbuf.write(layoutHandle);
cmdbuf.write(_layout);
m_vertexLayoutRef.add(layoutHandle, _layout.m_hash);
}
uint32_t offset = m_submit->allocTransientVertexBuffer(_num, _layout.m_stride);
_tvb->data = &dvb.data[offset];
_tvb->size = _num * _layout.m_stride;
_tvb->startVertex = bx::strideAlign(offset, _layout.m_stride)/_layout.m_stride;
_tvb->stride = _layout.m_stride;
_tvb->handle = dvb.handle;
_tvb->layoutHandle = layoutHandle;
_tvb->data = &dvb.data[offset];
_tvb->size = _num * _stride;
_tvb->startVertex = bx::strideAlign(offset, _stride)/_stride;
_tvb->stride = _stride;
_tvb->handle = dvb.handle;
_tvb->layoutHandle = _layoutHandle;
}
BGFX_API_FUNC(void allocInstanceDataBuffer(InstanceDataBuffer* _idb, uint32_t _num, uint16_t _stride) )