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-rw-r--r--src/gallium/drivers/llvmpipe/lp_rast.c10
-rw-r--r--src/gallium/drivers/llvmpipe/lp_rast_priv.h30
2 files changed, 40 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c
index ba7b48328b0..3215d0f6525 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast.c
@@ -43,6 +43,12 @@
#include "lp_scene.h"
+#ifdef DEBUG
+int jit_line = 0;
+const struct lp_rast_state *jit_state = NULL;
+#endif
+
+
/**
* Begin rasterizing a scene.
* Called once per scene by one thread.
@@ -419,6 +425,7 @@ lp_rast_shade_tile(struct lp_rasterizer_task *task,
depth = lp_rast_get_depth_block_pointer(task, tile_x + x, tile_y + y);
/* run shader on 4x4 block */
+ BEGIN_JIT_CALL(state);
variant->jit_function[RAST_WHOLE]( &state->jit_context,
tile_x + x, tile_y + y,
inputs->facing,
@@ -429,6 +436,7 @@ lp_rast_shade_tile(struct lp_rasterizer_task *task,
depth,
0xffff,
&task->vis_counter);
+ END_JIT_CALL();
}
}
}
@@ -498,6 +506,7 @@ lp_rast_shade_quads_mask(struct lp_rasterizer_task *task,
assert(lp_check_alignment(state->jit_context.blend_color, 16));
/* run shader on 4x4 block */
+ BEGIN_JIT_CALL(state);
variant->jit_function[RAST_EDGE_TEST](&state->jit_context,
x, y,
inputs->facing,
@@ -508,6 +517,7 @@ lp_rast_shade_quads_mask(struct lp_rasterizer_task *task,
depth,
mask,
&task->vis_counter);
+ END_JIT_CALL();
}
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_priv.h b/src/gallium/drivers/llvmpipe/lp_rast_priv.h
index b4a48cfd024..760ab3db1f0 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast_priv.h
+++ b/src/gallium/drivers/llvmpipe/lp_rast_priv.h
@@ -40,6 +40,34 @@
#include "lp_limits.h"
+/* If we crash in a jitted function, we can examine jit_line and jit_state
+ * to get some info. This is not thread-safe, however.
+ */
+#ifdef DEBUG
+
+extern int jit_line;
+extern const struct lp_rast_state *jit_state;
+
+#define BEGIN_JIT_CALL(state) \
+ do { \
+ jit_line = __LINE__; \
+ jit_state = state; \
+ } while (0)
+
+#define END_JIT_CALL() \
+ do { \
+ jit_line = 0; \
+ jit_state = NULL; \
+ } while (0)
+
+#else
+
+#define BEGIN_JIT_CALL(X)
+#define END_JIT_CALL
+
+#endif
+
+
struct lp_rasterizer;
@@ -249,6 +277,7 @@ lp_rast_shade_quads_all( struct lp_rasterizer_task *task,
depth = lp_rast_get_depth_block_pointer(task, x, y);
/* run shader on 4x4 block */
+ BEGIN_JIT_CALL(state);
variant->jit_function[RAST_WHOLE]( &state->jit_context,
x, y,
inputs->facing,
@@ -259,6 +288,7 @@ lp_rast_shade_quads_all( struct lp_rasterizer_task *task,
depth,
0xffff,
&task->vis_counter );
+ END_JIT_CALL();
}