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Fix massive validation errors when enabling TAA + MSAA 

TAA + MSAA would make Godot request unnecessary flags for an MSAA
velocity texture. flags that were not even actually needed.

This was causing:
 1. Unsupported GPUs to fail completely (e.g. Intel Arc 770)
 2. Wrong codepaths to be followed (causing validation errors, possibly
crashes or glitches)
 3. Unnecessary performance impact in all GPUs.

See
https://github.com/godotengine/godot/issues/71929#issuecomment-1722274359

(cherry picked from commit 4de0ed4adf)
This commit is contained in:
Matias N. Goldberg 2023-09-16 19:25:44 -03:00 committed by Yuri Sizov
parent ba27e16275
commit b7498aeb5d
1 changed files with 1 additions and 1 deletions
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2
servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.cpp
View File

@ -532,7 +532,7 @@ void RenderSceneBuffersRD::ensure_velocity() {
uint32_t usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT;
if (msaa_3d != RS::VIEWPORT_MSAA_DISABLED) {
uint32_t msaa_usage_bits = usage_bits | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT;
uint32_t msaa_usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT;
usage_bits |= RD::TEXTURE_USAGE_CAN_COPY_TO_BIT;
const RD::TextureSamples ts[RS::VIEWPORT_MSAA_MAX] = {