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glsl/shader_cache: Allow shader cache usage with transform feedback

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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105444
Suggested-by: Timothy Arceri <tarceri@itsqueeze.com>
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Jordan Justen
2018-03-13 10:44:39 -07:00
parent e10dc12f6f
commit 6d830940f7
2 changed files with 7 additions and 10 deletions
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11
src/compiler/glsl/linker.cpp
View File

@@ -4773,16 +4773,7 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
}
#ifdef ENABLE_SHADER_CACHE
/* If transform feedback used on the program then compile all shaders. */
bool skip_cache = false;
if (prog->TransformFeedback.NumVarying > 0) {
for (unsigned i = 0; i < prog->NumShaders; i++) {
_mesa_glsl_compile_shader(ctx, prog->Shaders[i], false, false, true);
}
skip_cache = true;
}
if (!skip_cache && shader_cache_read_program_metadata(ctx, prog))
if (shader_cache_read_program_metadata(ctx, prog))
return;
#endif

6
src/compiler/glsl/shader_cache.cpp
View File

@@ -160,6 +160,12 @@ shader_cache_read_program_metadata(struct gl_context *ctx,
prog->FragDataBindings->iterate(create_binding_str, &buf);
ralloc_strcat(&buf, "fbi: ");
prog->FragDataIndexBindings->iterate(create_binding_str, &buf);
ralloc_asprintf_append(&buf, "tf: %d ", prog->TransformFeedback.BufferMode);
for (unsigned int i = 0; i < prog->TransformFeedback.NumVarying; i++) {
ralloc_asprintf_append(&buf, "%s:%d ",
prog->TransformFeedback.VaryingNames[i],
prog->TransformFeedback.BufferStride[i]);
}
/* SSO has an effect on the linked program so include this when generating
* the sha also.