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render/vulkan: align staging buffers for texture upload

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vkCmdCopyBufferToImage requires that the buffer offset be a multiple
of the texel block size, which for single plane uncompressed formats
is the same as the number of bytes per pixel. This commit adds an
alignment parameter to vulkan_get_stage_span which ensures that the
provided span (and the sequence of image copy operations derived which
use it) have this alignment.
This commit is contained in:
Manuel Stoeckl 2022-11-25 12:28:43 -05:00
parent f0375eed24
commit c02872e033
3 changed files with 10 additions and 4 deletions
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2
render/vulkan/texture.c
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@ -73,7 +73,7 @@ static bool write_pixels(struct wlr_vk_texture *texture,
}
// get staging buffer
struct wlr_vk_buffer_span span = vulkan_get_stage_span(renderer, bsize);
struct wlr_vk_buffer_span span = vulkan_get_stage_span(renderer, bsize, bytespb);
if (!span.buffer || span.alloc.size != bsize) {
wlr_log(WLR_ERROR, "Failed to retrieve staging buffer");
free(copies);