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mesa: update GL_CLAMP emulation when binding/unbinding textures 

binding/unbinding a texture affects the previously specified parameters,
so ensure the driver flag for clamp emulation is also set to perform
updates as needed

Fixes: e8f71f6ac4 ("mesa/st: add PIPE_CAP_GL_CLAMP")

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17459>
This commit is contained in:
Mike Blumenkrantz 2022-07-11 08:44:00 -04:00 committed by Marge Bot
parent 068239dad0
commit 3ff058ed0b
1 changed files with 8 additions and 0 deletions
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8
src/mesa/main/texobj.c
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@ -1619,6 +1619,14 @@ bind_texture_object(struct gl_context *ctx, unsigned unit,
*/
FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT, GL_TEXTURE_BIT);
/* if the previously bound texture uses GL_CLAMP, flag the driver here
* to ensure any emulation is disabled
*/
if (texUnit->CurrentTex[targetIndex] &&
texUnit->CurrentTex[targetIndex]->Sampler.glclamp_mask !=
texObj->Sampler.glclamp_mask)
ctx->NewDriverState |= ctx->DriverFlags.NewSamplersWithClamp;
/* If the refcount on the previously bound texture is decremented to
* zero, it'll be deleted here.
*/