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glsl: fix up location setting for variables pointing to a UBO's base

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while linking uniforms, we might get a variable which is the only reference
to the ubo (i.e., offset 0), as determined by its type being the UBO's
interface_type, at which point we can assign the previously-gotten
block index to this variable's location

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5831>
This commit is contained in:
Mike Blumenkrantz 2020-07-09 15:36:54 -04:00 • committed by Marge Bot
parent ef0babab38
commit 47c358233d
1 changed files with 47 additions and 44 deletions
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11
src/compiler/glsl/gl_nir_link_uniforms.c
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@ -1727,9 +1727,9 @@ gl_nir_link_uniforms(struct gl_context *ctx,
} }
} }
if (!prog->data->spirv && state.var_is_in_block && if (!prog->data->spirv && state.var_is_in_block) {
glsl_without_array(state.current_var->type) != state.current_var->interface_type) { if (glsl_without_array(state.current_var->type) != state.current_var->interface_type) {
/* this is nested at some offset inside the block */
bool found = false; bool found = false;
char sentinel = '\0'; char sentinel = '\0';
@ -1774,7 +1774,10 @@ gl_nir_link_uniforms(struct gl_context *ctx,
break; break;
} }
assert(found); assert(found);
} else
/* this is the base block offset */
location = buffer_block_index;
assert(buffer_block_index >= 0);
const struct gl_uniform_block *const block = const struct gl_uniform_block *const block =
&blocks[buffer_block_index]; &blocks[buffer_block_index];
assert(location != -1); assert(location != -1);