Mesa (master): state_tracker: Handle texture view min level in st_generate_mipmap()
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Mon Nov 4 18:25:10 UTC 2019
Module: Mesa
Branch: master
Commit: ecc31d032e5fd2af208bb7764958ab4a16e51147
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ecc31d032e5fd2af208bb7764958ab4a16e51147
Author: Paul Gofman <gofmanp at gmail.com>
Date: Mon Nov 4 15:31:10 2019 +0300
state_tracker: Handle texture view min level in st_generate_mipmap()
Signed-off-by: Paul Gofman <gofmanp at gmail.com>
Signed-off-by: Marek Olšák <marek.olsak at amd.com>
---
src/mesa/state_tracker/st_gen_mipmap.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index b71a8ee57bb..9c7d955a45b 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -56,13 +56,16 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
struct pipe_resource *pt = st_get_texobj_resource(texObj);
- const uint baseLevel = texObj->BaseLevel;
+ uint baseLevel = texObj->BaseLevel;
enum pipe_format format;
uint lastLevel, first_layer, last_layer;
if (!pt)
return;
+ if (texObj->Immutable)
+ baseLevel += texObj->MinLevel;
+
/* not sure if this ultimately actually should work,
but we're not supporting multisampled textures yet. */
assert(pt->nr_samples < 2);
@@ -70,6 +73,9 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
/* find expected last mipmap level to generate*/
lastLevel = _mesa_compute_num_levels(ctx, texObj, target) - 1;
+ if (texObj->Immutable)
+ lastLevel += texObj->MinLevel;
+
if (lastLevel == 0)
return;
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