On Sat, Mar 16, 2013 at 10:37 AM, Paul Berry <stereotype...@gmail.com> wrote:
> This debug flag prints out the native GEN assembly for a blitting
> shader produced using BLORP. Hopefully this should be useful in
> developing additional BLORP features.
> ---
> src/mesa/drivers/dri/i965/brw_blorp_blit.cpp | 6 ++++++
> src/mesa/drivers/dri/intel/intel_context.c | 1 +
> src/mesa/drivers/dri/intel/intel_context.h | 1 +
> 3 files changed, 8 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> index 37524ad..d4b1fda 100644
> --- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> @@ -834,6 +834,12 @@ brw_blorp_blit_program::compile(struct brw_context *brw,
> * terminate the thread.
> */
> render_target_write();
> +
> + if (unlikely(INTEL_DEBUG & DEBUG_BLORP)) {
> + printf("Native code for BLORP blit:\n");
> + brw_dump_compile(&func, stdout, 0, func.next_insn_offset);
> + printf("\n");
> + }
> return brw_get_program(&func, program_size);
> }
>
> diff --git a/src/mesa/drivers/dri/intel/intel_context.c
> b/src/mesa/drivers/dri/intel/intel_context.c
> index 7651b46..2df70b7 100644
> --- a/src/mesa/drivers/dri/intel/intel_context.c
> +++ b/src/mesa/drivers/dri/intel/intel_context.c
> @@ -490,6 +490,7 @@ static const struct dri_debug_control debug_control[] = {
> { "aub", DEBUG_AUB },
> { "shader_time", DEBUG_SHADER_TIME },
> { "no16", DEBUG_NO16 },
> + { "blorp", DEBUG_BLORP },
> { NULL, 0 }
> };
>
> diff --git a/src/mesa/drivers/dri/intel/intel_context.h
> b/src/mesa/drivers/dri/intel/intel_context.h
> index 5a49603..2df15d4 100644
> --- a/src/mesa/drivers/dri/intel/intel_context.h
> +++ b/src/mesa/drivers/dri/intel/intel_context.h
> @@ -438,6 +438,7 @@ extern int INTEL_DEBUG;
> #define DEBUG_CLIP 0x2000000
> #define DEBUG_AUB 0x4000000
> #define DEBUG_SHADER_TIME 0x8000000
> +#define DEBUG_BLORP 0x10000000
> #define DEBUG_NO16 0x20000000
>
> #ifdef HAVE_ANDROID_PLATFORM
> --
> 1.8.2
Useful!
Reviewed-by: Matt Turner <matts...@gmail.com>
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