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mesa/st: Assert that NIR drivers that support tess use tess levels as inputs

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Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14401>
This commit is contained in:
Jesse Natalie
2022-01-04 11:34:01 -08:00
committed by Marge Bot
parent 01709464a4
commit 545e73d72c
1 changed files with 9 additions and 0 deletions
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src/mesa/state_tracker/st_context.c
+9
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@@ -721,6 +721,15 @@ st_create_context_priv(struct gl_context *ctx, struct pipe_context *pipe,
PIPE_SHADER_CAP_PREFERRED_IR);
ctx->Const.UseNIRGLSLLinker = preferred_ir == PIPE_SHADER_IR_NIR;
/* NIR drivers that support tess shaders and compact arrays need to use
* GLSLTessLevelsAsInputs / PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS. The NIR
* linker doesn't support linking these as compat arrays of sysvals.
*/
assert(ctx->Const.GLSLTessLevelsAsInputs ||
!ctx->Const.UseNIRGLSLLinker ||
!screen->get_param(screen, PIPE_CAP_NIR_COMPACT_ARRAYS) ||
!ctx->Extensions.ARB_tessellation_shader);
if (ctx->Const.GLSLVersion < 400) {
for (i = 0; i < MESA_SHADER_STAGES; i++)
ctx->Const.ShaderCompilerOptions[i].EmitNoIndirectSampler = true;