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radv: fix optional pSizes parameter when binding streamout buffers

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The Vulkan spec 1.2.135 says:

   "pSizes is an optional array of buffer sizes, specifying the maximum
   number of bytes to capture to the corresponding transform feedback
   buffer. If pSizes is NULL, or the value of the pSizes array element
   is VK_WHOLE_SIZE, then the maximum bytes captured will be the size
   of the corresponding buffer minus the buffer offset."

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2650
Fixes: b4eb029062 ("radv: implement VK_EXT_transform_feedback")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4232>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4232>
This commit is contained in:
Samuel Pitoiset
2020-03-18 18:49:23 +01:00
parent fdc6032928
commit 2d3223ca90
1 changed files with 6 additions and 1 deletions
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7
src/amd/vulkan/radv_cmd_buffer.c
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@@ -6026,7 +6026,12 @@ void radv_CmdBindTransformFeedbackBuffersEXT(
sb[idx].buffer = radv_buffer_from_handle(pBuffers[i]);
sb[idx].offset = pOffsets[i];
sb[idx].size = pSizes[i];
if (!pSizes || pSizes[i] == VK_WHOLE_SIZE) {
sb[idx].size = sb[idx].buffer->size - sb[idx].offset;
} else {
sb[idx].size = pSizes[i];
}
radv_cs_add_buffer(cmd_buffer->device->ws, cmd_buffer->cs,
sb[idx].buffer->bo);