On 20/10/17 17:33, Timothy Arceri wrote:
On 18/10/17 07:52, Eric Anholt wrote:
Having 4 variables all called "gl_in_TexCoord0@n" isn't very informative,
much better to see:
decl_var shader_in INTERP_MODE_NONE float gl_in_TexCoord0
(VARYING_SLOT_VAR0.x, 1, 0)
decl_var shader_in INTERP_MODE_NONE float gl_in_TexCoord0@0
(VARYING_SLOT_VAR0.y, 1, 0)
decl_var shader_in INTERP_MODE_NONE float gl_in_TexCoord0@1
(VARYING_SLOT_VAR0.z, 1, 0)
decl_var shader_in INTERP_MODE_NONE float gl_in_TexCoord0@2
(VARYING_SLOT_VAR0.w, 1, 0)
---
src/compiler/nir/nir_print.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/src/compiler/nir/nir_print.c b/src/compiler/nir/nir_print.c
index f4811fe8bc11..df7a2057bfb9 100644
--- a/src/compiler/nir/nir_print.c
+++ b/src/compiler/nir/nir_print.c
@@ -447,7 +447,30 @@ print_var_decl(nir_variable *var, print_state
*state)
loc = buf;
}
- fprintf(fp, " (%s, %u, %u)%s", loc, var->data.driver_location,
var->data.binding,
+ /* For shader I/O vars that have been split to components or
packed,
+ * print the fractional location within the input/output.
+ */
+ unsigned int num_components = glsl_get_components(var->type);
This needs to be:
glsl_without_array(glsl_get_components(var->type));
Sorry I mean:
glsl_get_components(glsl_without_array(var->type));
+ const char *components = NULL;
+ char components_local[6] = {'.' /* the rest is 0-filled */};
+ switch (var->data.mode) {
+ case nir_var_shader_in:
+ case nir_var_shader_out:
+ if (num_components != 4) {
+ const char *xyzw = "xyzw";
+ for (int i = 0; i < num_components; i++)
+ components_local[i + 1] = xyzw[i +
var->data.location_frac];
+
+ components = components_local;
+ }
+ break;
+ default:
+ break;
+ }
+
+ fprintf(fp, " (%s%s, %u, %u)%s", loc,
+ components ? components : "",
+ var->data.driver_location, var->data.binding,
var->data.compact ? " compact" : "");
}
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