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glsl/nir: Don't build soft float64 when it cannot be used

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Fixes: 82d9a37a59 ("glsl/nir: Add a shared helper for building float64 shaders")
Closes: #5556
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13828>
This commit is contained in:
Ian Romanick 2021-11-16 17:02:50 -08:00
parent b1a32d1432
commit 04f5c543de
1 changed files with 8 additions and 0 deletions
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8
src/compiler/glsl/glsl_to_nir.cpp
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@ -39,6 +39,7 @@
#include "main/errors.h"
#include "main/mtypes.h"
#include "main/shaderobj.h"
#include "main/context.h"
#include "util/u_math.h"
/*
@ -2607,6 +2608,13 @@ nir_shader *
glsl_float64_funcs_to_nir(struct gl_context *ctx,
const nir_shader_compiler_options *options)
{
/* It's not possible to use float64 on GLSL ES, so don't bother trying to
* build the support code. The support code depends on higher versions of
* desktop GLSL, so it will fail to compile (below) anyway.
*/
if (!_mesa_is_desktop_gl(ctx) || ctx->Const.GLSLVersion < 400)
return NULL;
/* We pretend it's a vertex shader. Ultimately, the stage shouldn't
* matter because we're not optimizing anything here.
*/