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[dxvk] Use vkCmdBindVertexBuffers2 to bind buffer ranges

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Potentially fixes problems with OOB access on dynamic vertex buffers.
This commit is contained in:
Philip Rebohle 2020-07-10 03:48:22 +02:00
parent 9ba99eba93
commit dfc0b740f8
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GPG Key ID: C8CC613427A31C99
2 changed files with 24 additions and 3 deletions
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13
src/dxvk/dxvk_cmdlist.h
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@ -328,6 +328,19 @@ namespace dxvk {
}
void cmdBindVertexBuffers2(
uint32_t firstBinding,
uint32_t bindingCount,
const VkBuffer* pBuffers,
const VkDeviceSize* pOffsets,
const VkDeviceSize* pSizes,
const VkDeviceSize* pStrides) {
m_vkd->vkCmdBindVertexBuffers2EXT(m_execBuffer,
firstBinding, bindingCount, pBuffers, pOffsets,
pSizes, pStrides);
}
void cmdBlitImage(
VkImage srcImage,
VkImageLayout srcImageLayout,

14
src/dxvk/dxvk_context.cpp
View File

@ -4108,6 +4108,7 @@ namespace dxvk {
std::array<VkBuffer, MaxNumVertexBindings> buffers;
std::array<VkDeviceSize, MaxNumVertexBindings> offsets;
std::array<VkDeviceSize, MaxNumVertexBindings> lengths;
// Set buffer handles and offsets for active bindings
for (uint32_t i = 0; i < m_state.gp.state.il.bindingCount(); i++) {
@ -4118,23 +4119,30 @@ namespace dxvk {
buffers[i] = vbo.buffer.buffer;
offsets[i] = vbo.buffer.offset;
lengths[i] = vbo.buffer.range;
if (m_vbTracked.set(binding))
m_cmd->trackResource<DxvkAccess::Read>(m_state.vi.vertexBuffers[binding].buffer());
} else if (m_features.test(DxvkContextFeature::NullDescriptors)) {
buffers[i] = VK_NULL_HANDLE;
offsets[i] = 0;
lengths[i] = 0;
} else {
buffers[i] = m_common->dummyResources().bufferHandle();
offsets[i] = 0;
lengths[i] = VK_WHOLE_SIZE;
}
}
// Vertex bindigs get remapped when compiling the
// pipeline, so this actually does the right thing
m_cmd->cmdBindVertexBuffers(
0, m_state.gp.state.il.bindingCount(),
buffers.data(), offsets.data());
if (m_features.test(DxvkContextFeature::ExtendedDynamicState)) {
m_cmd->cmdBindVertexBuffers2(0, m_state.gp.state.il.bindingCount(),
buffers.data(), offsets.data(), lengths.data(), nullptr);
} else {
m_cmd->cmdBindVertexBuffers(0, m_state.gp.state.il.bindingCount(),
buffers.data(), offsets.data());
}
}