[Mesa-dev] [PATCH v3 1/4] i965: Add a debug option for spilling everything in vec4 code

[Iago Toral Quiroga]

---
 src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp | 2 +-
 src/mesa/drivers/dri/i965/brw_vec4.cpp            | 2 +-
 src/mesa/drivers/dri/i965/intel_debug.c           | 3 ++-
 src/mesa/drivers/dri/i965/intel_debug.h           | 5 +++--
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp 
b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
index 6a7ed64..0726505 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
@@ -634,7 +634,7 @@ fs_visitor::assign_regs(bool allow_spilling)
    }
 
    /* Debug of register spilling: Go spill everything. */
-   if (unlikely(INTEL_DEBUG & DEBUG_SPILL)) {
+   if (unlikely(INTEL_DEBUG & DEBUG_SPILL_FS)) {
       int reg = choose_spill_reg(g);
 
       if (reg != -1) {
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp 
b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index f18915a..2a50087 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -1833,7 +1833,7 @@ vec4_visitor::run(gl_clip_plane *clip_planes)
 
    setup_payload();
 
-   if (false) {
+   if (unlikely(INTEL_DEBUG & DEBUG_SPILL_VEC4)) {
       /* Debug of register spilling: Go spill everything. */
       const int grf_count = alloc.count;
       float spill_costs[alloc.count];
diff --git a/src/mesa/drivers/dri/i965/intel_debug.c 
b/src/mesa/drivers/dri/i965/intel_debug.c
index a077731..8d34349 100644
--- a/src/mesa/drivers/dri/i965/intel_debug.c
+++ b/src/mesa/drivers/dri/i965/intel_debug.c
@@ -69,7 +69,8 @@ static const struct dri_debug_control debug_control[] = {
    { "ann",         DEBUG_ANNOTATION },
    { "no8",         DEBUG_NO8 },
    { "vec4vs",      DEBUG_VEC4VS },
-   { "spill",       DEBUG_SPILL },
+   { "spill_frag",  DEBUG_SPILL_FS },
+   { "spill_vec4",  DEBUG_SPILL_VEC4 },
    { "cs",          DEBUG_CS },
    { NULL,    0 }
 };
diff --git a/src/mesa/drivers/dri/i965/intel_debug.h 
b/src/mesa/drivers/dri/i965/intel_debug.h
index 4689492..b7d0c82 100644
--- a/src/mesa/drivers/dri/i965/intel_debug.h
+++ b/src/mesa/drivers/dri/i965/intel_debug.h
@@ -64,8 +64,9 @@ extern uint64_t INTEL_DEBUG;
 #define DEBUG_ANNOTATION          (1ull << 28)
 #define DEBUG_NO8                 (1ull << 29)
 #define DEBUG_VEC4VS              (1ull << 30)
-#define DEBUG_SPILL               (1ull << 31)
-#define DEBUG_CS                  (1ull << 32)
+#define DEBUG_SPILL_FS            (1ull << 31)
+#define DEBUG_SPILL_VEC4          (1ull << 32)
+#define DEBUG_CS                  (1ull << 33)
 
 #ifdef HAVE_ANDROID_PLATFORM
 #define LOG_TAG "INTEL-MESA"
-- 
1.9.1

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