diff options
author | Brian Paul <[email protected]> | 2010-07-29 17:31:17 -0600 |
---|---|---|
committer | Brian Paul <[email protected]> | 2010-07-29 17:31:18 -0600 |
commit | 6c1625cc405f0d77523c122cedf3e8003f2aa7bf (patch) | |
tree | 953ebc48bc8ddc3d631d3fb909ae34b17d2cfd00 | |
parent | b4c8de1ff24d4d5e2fe550da54249934320acab4 (diff) |
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.
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast.c | 10 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_priv.h | 30 |
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(); } |