Half-Life-RTX/xash3d-fwgs
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add swizzle for RGBA-BGRA format pair when saving screenshot

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this is the pair that breaks on nvidia (yay there's at least one thing that amd is better at!)
This commit is contained in:
Ivan 'provod' Avdeev 2021-08-22 13:26:25 -07:00 committed by Ivan Avdeev
parent 280e6109c6
commit 0259c09e9a
1 changed files with 23 additions and 3 deletions
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26
ref_vk/vk_framectl.c
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@ -506,7 +506,7 @@ static rgbdata_t *XVK_ReadPixels( void ) {
const int
width = vk_frame.surface_caps.currentExtent.width,
height = vk_frame.surface_caps.currentExtent.height;
const qboolean blit = canBlitFromSwapchainToFormat( dest_format );
qboolean blit = canBlitFromSwapchainToFormat( dest_format );
if (g_frame.last_frame_index < 0)
return NULL;
@ -689,8 +689,28 @@ static rgbdata_t *XVK_ReadPixels( void ) {
r_shot->palette = NULL;
r_shot->buffer = Mem_Malloc( r_temppool, r_shot->size );
for (int y = 0; y < height; ++y, mapped += layout.rowPitch) {
memcpy(r_shot->buffer + row_size * y, mapped, row_size);
if (!blit) {
if (dest_format != VK_FORMAT_R8G8B8A8_UNORM || vk_frame.create_info.imageFormat != VK_FORMAT_B8G8R8A8_UNORM) {
gEngine.Con_Printf(S_WARN "Don't have a blit function for this format pair, will save as-is w/o conversion; expect image to look wrong\n");
blit = true;
} else {
char *dst = r_shot->buffer;
for (int y = 0; y < height; ++y, mapped += layout.rowPitch) {
const char *src = mapped;
for (int x = 0; x < width; ++x, dst += 4, src += 4) {
dst[0] = src[2];
dst[1] = src[1];
dst[2] = src[0];
dst[3] = src[3];
}
}
}
}
if (blit) {
for (int y = 0; y < height; ++y, mapped += layout.rowPitch) {
memcpy(r_shot->buffer + row_size * y, mapped, row_size);
}
}
}