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state_tracker: Handle texture view min level in st_generate_mipmap()

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Signed-off-by: Paul Gofman <gofmanp@gmail.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Paul Gofman
2019-11-04 15:31:10 +03:00
committed by Marek Olšák
parent b6d45e7f74
commit ecc31d032e
1 changed files with 7 additions and 1 deletions
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8
src/mesa/state_tracker/st_gen_mipmap.c
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@@ -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;