diff options
| author | Nicolai Hähnle <[email protected]> | 2017-09-20 21:56:26 +0200 |
|---|---|---|
| committer | Nicolai Hähnle <[email protected]> | 2017-09-21 11:04:21 +0200 |
| commit | df8767a14e3eae4dcb8241b731b34e9379706795 (patch) | |
| tree | 057254bb9c6151080b566e3fd66118b41601f181 /src/compiler/glsl/linker.cpp | |
| parent | eb71394ff38d05a42cb8d04fedb6539cc7bbe6fa (diff) | |
glsl/linker: properly fix output variable overlap check
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102904
Fixes: 15cae12804e ("glsl/linker: fix output variable overlap check")
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/compiler/glsl/linker.cpp')
| -rw-r--r-- | src/compiler/glsl/linker.cpp | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp index 422b8ecd13e..f352c5385ca 100644 --- a/src/compiler/glsl/linker.cpp +++ b/src/compiler/glsl/linker.cpp @@ -2884,12 +2884,6 @@ assign_attribute_or_color_locations(void *mem_ctx, } } } - - /* At most one variable per fragment output component should - * reach this. */ - assert(assigned_attr < ARRAY_SIZE(assigned)); - assigned[assigned_attr] = var; - assigned_attr++; } else if (target_index == MESA_SHADER_FRAGMENT || (prog->IsES && prog->data->Version >= 300)) { linker_error(prog, "overlapping location is assigned " @@ -2903,6 +2897,18 @@ assign_attribute_or_color_locations(void *mem_ctx, } } + if (target_index == MESA_SHADER_FRAGMENT && !prog->IsES) { + /* Only track assigned variables for non-ES fragment shaders + * to avoid overflowing the array. + * + * At most one variable per fragment output component should + * reach this. + */ + assert(assigned_attr < ARRAY_SIZE(assigned)); + assigned[assigned_attr] = var; + assigned_attr++; + } + used_locations |= (use_mask << attr); /* From the GL 4.5 core spec, section 11.1.1 (Vertex Attributes): |