[Mesa-dev] [PATCH] gallium: expose a debug message callback settable by context owner
Ilia Mirkin
imirkin at alum.mit.edu
Fri Oct 30 00:23:13 PDT 2015
On Fri, Oct 30, 2015 at 3:17 AM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> This will allow gallium drivers to send messages to KHR_debug endpoints
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>
> This patch has a major problem in that it uses GET_CURRENT_CONTEXT. I
> was thinking of maybe adding a userdata thing into the pipe_context to
> be passed into that callback? Wanted to get more feedback on the
> design first. I didn't want to use a set_callback() since then a
> helper like the one I made would be difficult to reuse.
I guess one alternative is to create an object, say, pipe_debug_state,
which would contain all the state (i.e. callback + userdata) and have
a setter on the context. Then I can still have a generic helper
function which just takes that error state. That seems simpler and
cleaner.
>
> src/gallium/auxiliary/util/u_debug.h | 38 ++++++++++++++++++++++++++++++++++++
> src/gallium/include/pipe/p_context.h | 22 +++++++++++++++++++++
> src/gallium/include/pipe/p_defines.h | 35 +++++++++++++++++++++++++++++++++
> src/mesa/state_tracker/st_context.c | 14 +++++++++++++
> 4 files changed, 109 insertions(+)
>
> diff --git a/src/gallium/auxiliary/util/u_debug.h b/src/gallium/auxiliary/util/u_debug.h
> index 926063a..37ee048 100644
> --- a/src/gallium/auxiliary/util/u_debug.h
> +++ b/src/gallium/auxiliary/util/u_debug.h
> @@ -42,6 +42,7 @@
> #include "os/os_misc.h"
>
> #include "pipe/p_format.h"
> +#include "pipe/p_context.h"
>
>
> #ifdef __cplusplus
> @@ -262,6 +263,43 @@ void _debug_assert_fail(const char *expr,
> _debug_printf("error: %s\n", __msg)
> #endif
>
> +/**
> + * Output a debug log message to the context.
> + */
> +#define pipe_debug_message(pipe, source, type, severity, fmt, ...) do { \
> + static unsigned id = 0; \
> + _pipe_debug_message(pipe, &id, \
> + PIPE_DEBUG_SOURCE_ ## source,\
> + PIPE_DEBUG_TYPE_ ## type, \
> + PIPE_DEBUG_SEVERITY_ ## severity, \
> + fmt, __VA_ARGS__); \
> +} while (0)
> +
> +static inline void _pipe_debug_message(
> + struct pipe_context *pipe,
> + unsigned *id,
> + enum pipe_debug_source source,
> + enum pipe_debug_type type,
> + enum pipe_debug_severity severity,
> + const char *fmt,
> + ...) _util_printf_format(6, 7);
> +
> +static inline void _pipe_debug_message(
> + struct pipe_context *pipe,
> + unsigned *id,
> + enum pipe_debug_source source,
> + enum pipe_debug_type type,
> + enum pipe_debug_severity severity,
> + const char *fmt,
> + ...)
> +{
> + va_list args;
> + va_start(args, fmt);
> + if (pipe->debug_message)
> + pipe->debug_message(pipe, id, source, type, severity, fmt, args);
> + va_end(args);
> +}
> +
>
> /**
> * Used by debug_dump_enum and debug_dump_flags to describe symbols.
> diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
> index 6f9fe76..05b92e4 100644
> --- a/src/gallium/include/pipe/p_context.h
> +++ b/src/gallium/include/pipe/p_context.h
> @@ -636,6 +636,28 @@ struct pipe_context {
> */
> void (*dump_debug_state)(struct pipe_context *ctx, FILE *stream,
> unsigned flags);
> +
> + /**
> + * Allow the driver to provide information about current state,
> + * e.g. errors, performance info, etc. This function is expected to be set
> + * by the state tracker.
> + *
> + * \param ctx pipe context
> + * \param id message type identifier, if pointed value is 0, then a
> + * new id is assigned
> + * \param source PIPE_DEBUG_SOURCE_*
> + * \param type PIPE_DEBUG_TYPE_*
> + * \param severity PIPE_DEBUG_SEVERITY_*
> + * \param format printf-style format string
> + * \param args args for format string
> + */
> + void (*debug_message)(struct pipe_context *ctx,
> + unsigned *id,
> + enum pipe_debug_source source,
> + enum pipe_debug_type type,
> + enum pipe_debug_severity severity,
> + const char *fmt,
> + va_list args);
> };
>
>
> diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
> index b15c880..860ebc6 100644
> --- a/src/gallium/include/pipe/p_defines.h
> +++ b/src/gallium/include/pipe/p_defines.h
> @@ -868,6 +868,41 @@ struct pipe_driver_query_group_info
> unsigned num_queries;
> };
>
> +enum pipe_debug_source
> +{
> + PIPE_DEBUG_SOURCE_API,
> + PIPE_DEBUG_SOURCE_WINDOW_SYSTEM,
> + PIPE_DEBUG_SOURCE_SHADER_COMPILER,
> + PIPE_DEBUG_SOURCE_THIRD_PARTY,
> + PIPE_DEBUG_SOURCE_APPLICATION,
> + PIPE_DEBUG_SOURCE_OTHER,
> + PIPE_DEBUG_SOURCE_COUNT
> +};
> +
> +enum pipe_debug_type
> +{
> + PIPE_DEBUG_TYPE_ERROR,
> + PIPE_DEBUG_TYPE_DEPRECATED,
> + PIPE_DEBUG_TYPE_UNDEFINED,
> + PIPE_DEBUG_TYPE_PORTABILITY,
> + PIPE_DEBUG_TYPE_PERFORMANCE,
> + PIPE_DEBUG_TYPE_OTHER,
> + PIPE_DEBUG_TYPE_MARKER,
> + PIPE_DEBUG_TYPE_PUSH_GROUP,
> + PIPE_DEBUG_TYPE_POP_GROUP,
> + PIPE_DEBUG_TYPE_COUNT
> +};
> +
> +enum pipe_debug_severity
> +{
> + PIPE_DEBUG_SEVERITY_LOW,
> + PIPE_DEBUG_SEVERITY_MEDIUM,
> + PIPE_DEBUG_SEVERITY_HIGH,
> + PIPE_DEBUG_SEVERITY_NOTIFICATION,
> + PIPE_DEBUG_SEVERITY_COUNT
> +};
> +
> +
> #ifdef __cplusplus
> }
> #endif
> diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
> index 6e20fd1..2ad4469 100644
> --- a/src/mesa/state_tracker/st_context.c
> +++ b/src/mesa/state_tracker/st_context.c
> @@ -106,6 +106,19 @@ void st_invalidate_state(struct gl_context * ctx, GLuint new_state)
> _vbo_InvalidateState(ctx, new_state);
> }
>
> +static void
> +st_debug_message(struct pipe_context *pipe,
> + unsigned *id,
> + enum pipe_debug_source source,
> + enum pipe_debug_type type,
> + enum pipe_debug_severity severity,
> + const char *fmt,
> + va_list args)
> +{
> + GET_CURRENT_CONTEXT(ctx);
> + _mesa_gl_vdebug(ctx, id, source, type, severity, fmt, args);
> +}
> +
>
> static void
> st_destroy_context_priv(struct st_context *st)
> @@ -162,6 +175,7 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
>
> /* XXX: this is one-off, per-screen init: */
> st_debug_init();
> + pipe->debug_message = st_debug_message;
>
> /* state tracker needs the VBO module */
> _vbo_CreateContext(ctx);
> --
> 2.4.10
>
More information about the mesa-dev
mailing list