llvmpipe: added some jit debug code

If we crash in the jitted function we can examine jit_line and
jit_state in gdb to learn more about the shader.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c
index ba7b48328b..3215d0f652 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();
 }