gallium: add GREMEDY_string_marker

Since the GREMEDY extensions are normally only exposed by the gremedy
debugger (and could possibly trigger debug paths in the app), we don't
expose the extension by default, but instead only with
ST_DEBUG=gremedy.

Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Ilia Mirkin <[email protected]>

4 files changed, 16 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 4add50e3ed9..ce1e97aacb5 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -438,6 +438,12 @@ void st_destroy_context( struct st_context *st )
    free(ctx);
 }
 
+static void
+st_emit_string_marker(struct gl_context *ctx, const GLchar *string, GLsizei len)
+{
+   struct st_context *st = ctx->st;
+   st->pipe->emit_string_marker(st->pipe, string, len);
+}
 
 void st_init_driver_functions(struct pipe_screen *screen,
                               struct dd_function_table *functions)
@@ -476,6 +482,9 @@ void st_init_driver_functions(struct pipe_screen *screen,
 
    st_init_vdpau_functions(functions);
 
+   if (screen->get_param(screen, PIPE_CAP_STRING_MARKER))
+      functions->EmitStringMarker = st_emit_string_marker;
+
    functions->Enable = st_Enable;
    functions->UpdateState = st_invalidate_state;
 }
diff --git a/src/mesa/state_tracker/st_debug.c b/src/mesa/state_tracker/st_debug.c
index 134366db09d..9eb3b53b230 100644
--- a/src/mesa/state_tracker/st_debug.c
+++ b/src/mesa/state_tracker/st_debug.c
@@ -57,6 +57,7 @@ static const struct debug_named_value st_debug_flags[] = {
    { "buffer",   DEBUG_BUFFER, NULL },
    { "wf",       DEBUG_WIREFRAME, NULL },
    { "precompile",  DEBUG_PRECOMPILE, NULL },
+   { "gremedy",  DEBUG_GREMEDY, "Enable GREMEDY debug extensions" },
    DEBUG_NAMED_VALUE_END
 };
 
diff --git a/src/mesa/state_tracker/st_debug.h b/src/mesa/state_tracker/st_debug.h
index ed3ead82914..a094fdc2bfa 100644
--- a/src/mesa/state_tracker/st_debug.h
+++ b/src/mesa/state_tracker/st_debug.h
@@ -50,6 +50,7 @@ st_print_current(void);
 #define DEBUG_BUFFER    0x200
 #define DEBUG_WIREFRAME 0x400
 #define DEBUG_PRECOMPILE   0x800
+#define DEBUG_GREMEDY   0x1000
 
 #ifdef DEBUG
 extern int ST_DEBUG;
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 2a3e52362e4..53ea6767395 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -37,6 +37,7 @@
 #include "util/u_math.h"
 
 #include "st_context.h"
+#include "st_debug.h"
 #include "st_extensions.h"
 #include "st_format.h"
 
@@ -973,4 +974,8 @@ void st_init_extensions(struct pipe_screen *screen,
       extensions->ARB_gpu_shader_fp64 = GL_TRUE;
       extensions->ARB_vertex_attrib_64bit = GL_TRUE;
    }
+
+   if ((ST_DEBUG & DEBUG_GREMEDY) &&
+       screen->get_param(screen, PIPE_CAP_STRING_MARKER))
+      extensions->GREMEDY_string_marker = GL_TRUE;
 }