1 files changed, 109 insertions, 0 deletions
diff --git a/src/intel/common/gen_debug.c b/src/intel/common/gen_debug.c
new file mode 100644
index 00000000000..858f04db432
--- /dev/null
+++ b/src/intel/common/gen_debug.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2003 VMware, Inc.
+ * Copyright © 2006 Intel Corporation
+ *
+ * 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.
+ */
+
+/**
+ * \file gen_debug.c
+ *
+ * Support for the INTEL_DEBUG environment variable, along with other
+ * miscellaneous debugging code.
+ */
+
+#include <stdlib.h>
+
+#include "common/gen_debug.h"
+#include "util/macros.h"
+#include "util/u_atomic.h" /* for p_atomic_cmpxchg */
+#include "util/debug.h"
+
+uint64_t INTEL_DEBUG = 0;
+
+static const struct debug_control debug_control[] = {
+   { "tex",         DEBUG_TEXTURE},
+   { "state",       DEBUG_STATE},
+   { "blit",        DEBUG_BLIT},
+   { "mip",         DEBUG_MIPTREE},
+   { "fall",        DEBUG_PERF},
+   { "perf",        DEBUG_PERF},
+   { "perfmon",     DEBUG_PERFMON},
+   { "bat",         DEBUG_BATCH},
+   { "pix",         DEBUG_PIXEL},
+   { "buf",         DEBUG_BUFMGR},
+   { "fbo",         DEBUG_FBO},
+   { "fs",          DEBUG_WM },
+   { "gs",          DEBUG_GS},
+   { "sync",        DEBUG_SYNC},
+   { "prim",        DEBUG_PRIMS },
+   { "vert",        DEBUG_VERTS },
+   { "dri",         DEBUG_DRI },
+   { "sf",          DEBUG_SF },
+   { "stats",       DEBUG_STATS },
+   { "wm",          DEBUG_WM },
+   { "urb",         DEBUG_URB },
+   { "vs",          DEBUG_VS },
+   { "clip",        DEBUG_CLIP },
+   { "aub",         DEBUG_AUB },
+   { "shader_time", DEBUG_SHADER_TIME },
+   { "no16",        DEBUG_NO16 },
+   { "blorp",       DEBUG_BLORP },
+   { "nodualobj",   DEBUG_NO_DUAL_OBJECT_GS },
+   { "optimizer",   DEBUG_OPTIMIZER },
+   { "ann",         DEBUG_ANNOTATION },
+   { "no8",         DEBUG_NO8 },
+   { "vec4",        DEBUG_VEC4VS },
+   { "spill_fs",    DEBUG_SPILL_FS },
+   { "spill_vec4",  DEBUG_SPILL_VEC4 },
+   { "cs",          DEBUG_CS },
+   { "hex",         DEBUG_HEX },
+   { "nocompact",   DEBUG_NO_COMPACTION },
+   { "hs",          DEBUG_TCS },
+   { "tcs",         DEBUG_TCS },
+   { "ds",          DEBUG_TES },
+   { "tes",         DEBUG_TES },
+   { "l3",          DEBUG_L3 },
+   { "do32",        DEBUG_DO32 },
+   { "norbc",       DEBUG_NO_RBC },
+   { NULL,    0 }
+};
+
+uint64_t
+intel_debug_flag_for_shader_stage(gl_shader_stage stage)
+{
+   uint64_t flags[] = {
+      [MESA_SHADER_VERTEX] = DEBUG_VS,
+      [MESA_SHADER_TESS_CTRL] = DEBUG_TCS,
+      [MESA_SHADER_TESS_EVAL] = DEBUG_TES,
+      [MESA_SHADER_GEOMETRY] = DEBUG_GS,
+      [MESA_SHADER_FRAGMENT] = DEBUG_WM,
+      [MESA_SHADER_COMPUTE] = DEBUG_CS,
+   };
+   STATIC_ASSERT(MESA_SHADER_STAGES == 6);
+   return flags[stage];
+}
+
+void
+brw_process_intel_debug_variable(void)
+{
+   uint64_t intel_debug = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
+   (void) p_atomic_cmpxchg(&INTEL_DEBUG, 0, intel_debug);
+}