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Workaround VK_EXT_discard_rectangles adding new functions

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Generalize the mechanism to not enable function pointers based on the current header
version, due to VK_EXT_discard_rectangles adding functions not present in the original
extension.
This commit is contained in:
Charles Giessen 2023-12-14 12:05:21 -07:00 committed by Charles Giessen
parent ae05c97bdb
commit 3ad0388f1b
2 changed files with 16 additions and 8 deletions
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12
script/generate_dispatch.py
View File

@ -102,6 +102,13 @@ commands = {}
INSTANCE = 'instance'
DEVICE = 'device'
# No good way to detect incompatibilities with the macro defines and the actual functions. Just keep a list here
HEADER_VERSION_WORKAROUNDS = {
'vkGetLatencyTimingsNV': '271', # Changed API parameters
'vkCmdSetDiscardRectangleEnableEXT': '241', # new function in older extension
'vkCmdSetDiscardRectangleModeEXT': '241', # new function in older extension
}
def get_macro_guard(reqs_collection, command_name):
guard = ''
count = len(reqs_collection)
@ -121,8 +128,9 @@ def get_macro_guard(reqs_collection, command_name):
if count > 0:
guard += ' || '
# API breaking change causes this function to fail compilation
if command_name == 'vkGetLatencyTimingsNV':
guard = f'({guard}) && VK_HEADER_VERSION >= 271'
for function, version in HEADER_VERSION_WORKAROUNDS.items():
if command_name == function:
guard = f'({guard}) && VK_HEADER_VERSION >= {version}'
return guard

12
src/VkBootstrapDispatch.h
View File

@ -1711,10 +1711,10 @@ struct DispatchTable {
#if (defined(VK_EXT_discard_rectangles))
fp_vkCmdSetDiscardRectangleEXT = reinterpret_cast<PFN_vkCmdSetDiscardRectangleEXT>(procAddr(device, "vkCmdSetDiscardRectangleEXT"));
#endif
#if (defined(VK_EXT_discard_rectangles))
#if ((defined(VK_EXT_discard_rectangles))) && VK_HEADER_VERSION >= 241
fp_vkCmdSetDiscardRectangleEnableEXT = reinterpret_cast<PFN_vkCmdSetDiscardRectangleEnableEXT>(procAddr(device, "vkCmdSetDiscardRectangleEnableEXT"));
#endif
#if (defined(VK_EXT_discard_rectangles))
#if ((defined(VK_EXT_discard_rectangles))) && VK_HEADER_VERSION >= 241
fp_vkCmdSetDiscardRectangleModeEXT = reinterpret_cast<PFN_vkCmdSetDiscardRectangleModeEXT>(procAddr(device, "vkCmdSetDiscardRectangleModeEXT"));
#endif
#if (defined(VK_EXT_sample_locations))
@ -3574,12 +3574,12 @@ struct DispatchTable {
fp_vkCmdSetDiscardRectangleEXT(commandBuffer, firstDiscardRectangle, discardRectangleCount, pDiscardRectangles);
}
#endif
#if (defined(VK_EXT_discard_rectangles))
#if ((defined(VK_EXT_discard_rectangles))) && VK_HEADER_VERSION >= 241
void cmdSetDiscardRectangleEnableEXT(VkCommandBuffer commandBuffer, VkBool32 discardRectangleEnable) const noexcept {
fp_vkCmdSetDiscardRectangleEnableEXT(commandBuffer, discardRectangleEnable);
}
#endif
#if (defined(VK_EXT_discard_rectangles))
#if ((defined(VK_EXT_discard_rectangles))) && VK_HEADER_VERSION >= 241
void cmdSetDiscardRectangleModeEXT(VkCommandBuffer commandBuffer, VkDiscardRectangleModeEXT discardRectangleMode) const noexcept {
fp_vkCmdSetDiscardRectangleModeEXT(commandBuffer, discardRectangleMode);
}
@ -5928,12 +5928,12 @@ struct DispatchTable {
#else
void * fp_vkCmdSetDiscardRectangleEXT{};
#endif
#if (defined(VK_EXT_discard_rectangles))
#if ((defined(VK_EXT_discard_rectangles))) && VK_HEADER_VERSION >= 241
PFN_vkCmdSetDiscardRectangleEnableEXT fp_vkCmdSetDiscardRectangleEnableEXT = nullptr;
#else
void * fp_vkCmdSetDiscardRectangleEnableEXT{};
#endif
#if (defined(VK_EXT_discard_rectangles))
#if ((defined(VK_EXT_discard_rectangles))) && VK_HEADER_VERSION >= 241
PFN_vkCmdSetDiscardRectangleModeEXT fp_vkCmdSetDiscardRectangleModeEXT = nullptr;
#else
void * fp_vkCmdSetDiscardRectangleModeEXT{};