nir: move shader_enums.[ch] to compiler

This way one can reuse it in glsl, nir or other infrastructure without
pulling nir as dependency.

Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Matt Turner <[email protected]>
Acked-by: Jose Fonseca <[email protected]>

1 files changed, 257 insertions, 0 deletions

diff --git a/src/compiler/shader_enums.c b/src/compiler/shader_enums.c
new file mode 100644
index 00000000000..942d152b129
--- /dev/null
+++ b/src/compiler/shader_enums.c
@@ -0,0 +1,257 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright © 2015 Red Hat
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rob Clark <[email protected]>
+ */
+
+#include "shader_enums.h"
+#include "util/macros.h"
+#include "mesa/main/config.h"
+
+#define ENUM(x) [x] = #x
+#define NAME(val) ((((val) < ARRAY_SIZE(names)) && names[(val)]) ? names[(val)] : "UNKNOWN")
+
+const char *
+gl_shader_stage_name(gl_shader_stage stage)
+{
+   static const char *names[] = {
+      ENUM(MESA_SHADER_VERTEX),
+      ENUM(MESA_SHADER_TESS_CTRL),
+      ENUM(MESA_SHADER_TESS_EVAL),
+      ENUM(MESA_SHADER_GEOMETRY),
+      ENUM(MESA_SHADER_FRAGMENT),
+      ENUM(MESA_SHADER_COMPUTE),
+   };
+   STATIC_ASSERT(ARRAY_SIZE(names) == MESA_SHADER_STAGES);
+   return NAME(stage);
+}
+
+/**
+ * Translate a gl_shader_stage to a short shader stage name for debug
+ * printouts and error messages.
+ */
+const char *
+_mesa_shader_stage_to_string(unsigned stage)
+{
+   switch (stage) {
+   case MESA_SHADER_VERTEX:   return "vertex";
+   case MESA_SHADER_FRAGMENT: return "fragment";
+   case MESA_SHADER_GEOMETRY: return "geometry";
+   case MESA_SHADER_COMPUTE:  return "compute";
+   case MESA_SHADER_TESS_CTRL: return "tessellation control";
+   case MESA_SHADER_TESS_EVAL: return "tessellation evaluation";
+   }
+
+   unreachable("Unknown shader stage.");
+}
+
+/**
+ * Translate a gl_shader_stage to a shader stage abbreviation (VS, GS, FS)
+ * for debug printouts and error messages.
+ */
+const char *
+_mesa_shader_stage_to_abbrev(unsigned stage)
+{
+   switch (stage) {
+   case MESA_SHADER_VERTEX:   return "VS";
+   case MESA_SHADER_FRAGMENT: return "FS";
+   case MESA_SHADER_GEOMETRY: return "GS";
+   case MESA_SHADER_COMPUTE:  return "CS";
+   case MESA_SHADER_TESS_CTRL: return "TCS";
+   case MESA_SHADER_TESS_EVAL: return "TES";
+   }
+
+   unreachable("Unknown shader stage.");
+}
+
+const char *
+gl_vert_attrib_name(gl_vert_attrib attrib)
+{
+   static const char *names[] = {
+      ENUM(VERT_ATTRIB_POS),
+      ENUM(VERT_ATTRIB_WEIGHT),
+      ENUM(VERT_ATTRIB_NORMAL),
+      ENUM(VERT_ATTRIB_COLOR0),
+      ENUM(VERT_ATTRIB_COLOR1),
+      ENUM(VERT_ATTRIB_FOG),
+      ENUM(VERT_ATTRIB_COLOR_INDEX),
+      ENUM(VERT_ATTRIB_EDGEFLAG),
+      ENUM(VERT_ATTRIB_TEX0),
+      ENUM(VERT_ATTRIB_TEX1),
+      ENUM(VERT_ATTRIB_TEX2),
+      ENUM(VERT_ATTRIB_TEX3),
+      ENUM(VERT_ATTRIB_TEX4),
+      ENUM(VERT_ATTRIB_TEX5),
+      ENUM(VERT_ATTRIB_TEX6),
+      ENUM(VERT_ATTRIB_TEX7),
+      ENUM(VERT_ATTRIB_POINT_SIZE),
+      ENUM(VERT_ATTRIB_GENERIC0),
+      ENUM(VERT_ATTRIB_GENERIC1),
+      ENUM(VERT_ATTRIB_GENERIC2),
+      ENUM(VERT_ATTRIB_GENERIC3),
+      ENUM(VERT_ATTRIB_GENERIC4),
+      ENUM(VERT_ATTRIB_GENERIC5),
+      ENUM(VERT_ATTRIB_GENERIC6),
+      ENUM(VERT_ATTRIB_GENERIC7),
+      ENUM(VERT_ATTRIB_GENERIC8),
+      ENUM(VERT_ATTRIB_GENERIC9),
+      ENUM(VERT_ATTRIB_GENERIC10),
+      ENUM(VERT_ATTRIB_GENERIC11),
+      ENUM(VERT_ATTRIB_GENERIC12),
+      ENUM(VERT_ATTRIB_GENERIC13),
+      ENUM(VERT_ATTRIB_GENERIC14),
+      ENUM(VERT_ATTRIB_GENERIC15),
+   };
+   STATIC_ASSERT(ARRAY_SIZE(names) == VERT_ATTRIB_MAX);
+   return NAME(attrib);
+}
+
+const char *
+gl_varying_slot_name(gl_varying_slot slot)
+{
+   static const char *names[] = {
+      ENUM(VARYING_SLOT_POS),
+      ENUM(VARYING_SLOT_COL0),
+      ENUM(VARYING_SLOT_COL1),
+      ENUM(VARYING_SLOT_FOGC),
+      ENUM(VARYING_SLOT_TEX0),
+      ENUM(VARYING_SLOT_TEX1),
+      ENUM(VARYING_SLOT_TEX2),
+      ENUM(VARYING_SLOT_TEX3),
+      ENUM(VARYING_SLOT_TEX4),
+      ENUM(VARYING_SLOT_TEX5),
+      ENUM(VARYING_SLOT_TEX6),
+      ENUM(VARYING_SLOT_TEX7),
+      ENUM(VARYING_SLOT_PSIZ),
+      ENUM(VARYING_SLOT_BFC0),
+      ENUM(VARYING_SLOT_BFC1),
+      ENUM(VARYING_SLOT_EDGE),
+      ENUM(VARYING_SLOT_CLIP_VERTEX),
+      ENUM(VARYING_SLOT_CLIP_DIST0),
+      ENUM(VARYING_SLOT_CLIP_DIST1),
+      ENUM(VARYING_SLOT_PRIMITIVE_ID),
+      ENUM(VARYING_SLOT_LAYER),
+      ENUM(VARYING_SLOT_VIEWPORT),
+      ENUM(VARYING_SLOT_FACE),
+      ENUM(VARYING_SLOT_PNTC),
+      ENUM(VARYING_SLOT_TESS_LEVEL_OUTER),
+      ENUM(VARYING_SLOT_TESS_LEVEL_INNER),
+      ENUM(VARYING_SLOT_VAR0),
+      ENUM(VARYING_SLOT_VAR1),
+      ENUM(VARYING_SLOT_VAR2),
+      ENUM(VARYING_SLOT_VAR3),
+      ENUM(VARYING_SLOT_VAR4),
+      ENUM(VARYING_SLOT_VAR5),
+      ENUM(VARYING_SLOT_VAR6),
+      ENUM(VARYING_SLOT_VAR7),
+      ENUM(VARYING_SLOT_VAR8),
+      ENUM(VARYING_SLOT_VAR9),
+      ENUM(VARYING_SLOT_VAR10),
+      ENUM(VARYING_SLOT_VAR11),
+      ENUM(VARYING_SLOT_VAR12),
+      ENUM(VARYING_SLOT_VAR13),
+      ENUM(VARYING_SLOT_VAR14),
+      ENUM(VARYING_SLOT_VAR15),
+      ENUM(VARYING_SLOT_VAR16),
+      ENUM(VARYING_SLOT_VAR17),
+      ENUM(VARYING_SLOT_VAR18),
+      ENUM(VARYING_SLOT_VAR19),
+      ENUM(VARYING_SLOT_VAR20),
+      ENUM(VARYING_SLOT_VAR21),
+      ENUM(VARYING_SLOT_VAR22),
+      ENUM(VARYING_SLOT_VAR23),
+      ENUM(VARYING_SLOT_VAR24),
+      ENUM(VARYING_SLOT_VAR25),
+      ENUM(VARYING_SLOT_VAR26),
+      ENUM(VARYING_SLOT_VAR27),
+      ENUM(VARYING_SLOT_VAR28),
+      ENUM(VARYING_SLOT_VAR29),
+      ENUM(VARYING_SLOT_VAR30),
+      ENUM(VARYING_SLOT_VAR31),
+   };
+   STATIC_ASSERT(ARRAY_SIZE(names) == VARYING_SLOT_MAX);
+   return NAME(slot);
+}
+
+const char *
+gl_system_value_name(gl_system_value sysval)
+{
+   static const char *names[] = {
+     ENUM(SYSTEM_VALUE_VERTEX_ID),
+     ENUM(SYSTEM_VALUE_INSTANCE_ID),
+     ENUM(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE),
+     ENUM(SYSTEM_VALUE_BASE_VERTEX),
+     ENUM(SYSTEM_VALUE_INVOCATION_ID),
+     ENUM(SYSTEM_VALUE_FRONT_FACE),
+     ENUM(SYSTEM_VALUE_SAMPLE_ID),
+     ENUM(SYSTEM_VALUE_SAMPLE_POS),
+     ENUM(SYSTEM_VALUE_SAMPLE_MASK_IN),
+     ENUM(SYSTEM_VALUE_TESS_COORD),
+     ENUM(SYSTEM_VALUE_VERTICES_IN),
+     ENUM(SYSTEM_VALUE_PRIMITIVE_ID),
+     ENUM(SYSTEM_VALUE_TESS_LEVEL_OUTER),
+     ENUM(SYSTEM_VALUE_TESS_LEVEL_INNER),
+     ENUM(SYSTEM_VALUE_LOCAL_INVOCATION_ID),
+     ENUM(SYSTEM_VALUE_WORK_GROUP_ID),
+     ENUM(SYSTEM_VALUE_NUM_WORK_GROUPS),
+     ENUM(SYSTEM_VALUE_VERTEX_CNT),
+   };
+   STATIC_ASSERT(ARRAY_SIZE(names) == SYSTEM_VALUE_MAX);
+   return NAME(sysval);
+}
+
+const char *
+glsl_interp_qualifier_name(enum glsl_interp_qualifier qual)
+{
+   static const char *names[] = {
+      ENUM(INTERP_QUALIFIER_NONE),
+      ENUM(INTERP_QUALIFIER_SMOOTH),
+      ENUM(INTERP_QUALIFIER_FLAT),
+      ENUM(INTERP_QUALIFIER_NOPERSPECTIVE),
+   };
+   STATIC_ASSERT(ARRAY_SIZE(names) == INTERP_QUALIFIER_COUNT);
+   return NAME(qual);
+}
+
+const char *
+gl_frag_result_name(gl_frag_result result)
+{
+   static const char *names[] = {
+      ENUM(FRAG_RESULT_DEPTH),
+      ENUM(FRAG_RESULT_STENCIL),
+      ENUM(FRAG_RESULT_COLOR),
+      ENUM(FRAG_RESULT_SAMPLE_MASK),
+      ENUM(FRAG_RESULT_DATA0),
+      ENUM(FRAG_RESULT_DATA1),
+      ENUM(FRAG_RESULT_DATA2),
+      ENUM(FRAG_RESULT_DATA3),
+      ENUM(FRAG_RESULT_DATA4),
+      ENUM(FRAG_RESULT_DATA5),
+      ENUM(FRAG_RESULT_DATA6),
+      ENUM(FRAG_RESULT_DATA7),
+   };
+   STATIC_ASSERT(ARRAY_SIZE(names) == FRAG_RESULT_MAX);
+   return NAME(result);
+}