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mesa: consider Attrib.MinLayer in do_blit_framebuffer

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Otherwise a blit from a fbo with a GL_COLOR_ATTACHMENT0
using a GL_TEXTURE_2D view of a GL_TEXTURE_2D_ARRAY will
always read from layer 0.

See https://gitlab.freedesktop.org/mesa/piglit/-/merge_requests/1060

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/13527
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38925>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2025-12-12 11:04:28 +01:00 • committed by Marge Bot
parent 13783fe2ef
commit f521a6270b
1 changed files with 2 additions and 1 deletions
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3
src/mesa/main/blit.c
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@ -532,7 +532,8 @@ do_blit_framebuffer(struct gl_context *ctx,
blit.src.resource = srcObj->pt;
blit.src.level = srcAtt->TextureLevel;
blit.src.box.z = srcAtt->Zoffset + srcAtt->CubeMapFace;
blit.src.box.z = srcAtt->Zoffset + srcAtt->CubeMapFace +
srcAtt->Texture->Attrib.MinLayer;
blit.src.format = srcObj->surface_based ? srcObj->surface_format : srcObj->pt->format;
if (!ctx->Color.sRGBEnabled)