softpipe: Convert to comma-separated SOFTPIPE_DEBUG for debug options.

This makes us more like other drivers, and avoids having tons of different
names (particularly when you want to dump vs and fs in debugging).  In the
process, having a debug flag for vertex shaders just falls out.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6018>

diff --git a/docs/envvars.rst b/docs/envvars.rst
index de6d4960b7a3e420c2207ba3c685b3c8b7cef54f..76397eec0416bc3246e182b3fd7a82367782d82b 100644 (file)
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -414,15 +414,22 @@ Clover environment variables
 Softpipe driver environment variables
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-``SOFTPIPE_DUMP_FS``
-   if set, the softpipe driver will print fragment shaders to stderr
-``SOFTPIPE_DUMP_GS``
-   if set, the softpipe driver will print geometry shaders to stderr
-``SOFTPIPE_NO_RAST``
-   if set, rasterization is no-op'd. For profiling purposes.
-``SOFTPIPE_USE_LLVM``
-   if set, the softpipe driver will try to use LLVM JIT for vertex
-   shading processing.
+``SOFTPIPE_DEBUG``
+   a comma-separated list of named flags, which do various things:
+
+   ``vs``
+      Dump vertex shader assembly to stderr
+   ``fs``
+      Dump fragment shader assembly to stderr
+   ``gs``
+      Dump geometry shader assembly to stderr
+   ``cs``
+      Dump compute shader assembly to stderr
+   ``no_rast``
+      rasterization is no-op'd. For profiling purposes.
+   ``use_llvm``
+      the softpipe driver will try to use LLVM JIT for vertex
+      shading processing.
 
 LLVMpipe driver environment variables
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/src/gallium/drivers/softpipe/sp_clear.c b/src/gallium/drivers/softpipe/sp_clear.c
index 300cbd077d9638a039a2a3af59f4ffaf479dc193..7ad4b0946be62777ccd82cfad12b3d2d533bc2c0 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_clear.c
+++ b/src/gallium/drivers/softpipe/sp_clear.c
@@ -37,6 +37,7 @@
 #include "util/u_surface.h"
 #include "sp_clear.h"
 #include "sp_context.h"
+#include "sp_screen.h"
 #include "sp_query.h"
 #include "sp_tile_cache.h"
 
@@ -57,7 +58,7 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers,
    uint64_t cv;
    uint i;
 
-   if (softpipe->no_rast)
+   if (unlikely(sp_debug & SP_DBG_NO_RAST))
       return;
 
    if (!softpipe_check_render_cond(softpipe))

diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index ed0e67829d3e9653bbe2107d93337ec7728f43b3..6a896b8a41d70ac09266ec6d47dfbf0f66841103 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -214,10 +214,6 @@ softpipe_create_context(struct pipe_screen *screen,
       softpipe->tgsi.buffer[i] = sp_create_tgsi_buffer();
    }
 
-   softpipe->dump_fs = debug_get_bool_option( "SOFTPIPE_DUMP_FS", false );
-   softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", false );
-   softpipe->dump_cs = debug_get_bool_option( "SOFTPIPE_DUMP_CS", false );
-
    softpipe->pipe.screen = screen;
    softpipe->pipe.destroy = softpipe_destroy;
    softpipe->pipe.priv = priv;
@@ -316,9 +312,6 @@ softpipe_create_context(struct pipe_screen *screen,
               (struct tgsi_buffer *)
               softpipe->tgsi.buffer[PIPE_SHADER_GEOMETRY]);
 
-   if (debug_get_bool_option( "SOFTPIPE_NO_RAST", false ))
-      softpipe->no_rast = TRUE;
-
    softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
    if (!softpipe->vbuf_backend)
       goto fail;

diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h
index 21b867ad1b7a9783327aefbfa2a80ea9325fbc98..d4be1efc945a9db16e65a1202cd5f3a1f7767158 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_context.h
+++ b/src/gallium/drivers/softpipe/sp_context.h
@@ -204,11 +204,6 @@ struct softpipe_context {
     * of sp_sampler_view?
     */
    struct softpipe_tex_tile_cache *tex_cache[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
-
-   unsigned dump_fs : 1;
-   unsigned dump_gs : 1;
-   unsigned dump_cs : 1;
-   unsigned no_rast : 1;
 };
 
 

diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 49d571ac185cd62de75677ae26365de335da6c22..7066e2f0b51b083162d98b468665baff2f041cba 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -46,7 +46,17 @@
 #include "sp_fence.h"
 #include "sp_public.h"
 
-DEBUG_GET_ONCE_BOOL_OPTION(use_llvm, "SOFTPIPE_USE_LLVM", FALSE)
+static const struct debug_named_value sp_debug_options[] = {
+   {"vs",        SP_DBG_VS,         "dump vertex shader assembly to stderr"},
+   {"gs",        SP_DBG_GS,         "dump geometry shader assembly to stderr"},
+   {"fs",        SP_DBG_FS,         "dump fragment shader assembly to stderr"},
+   {"cs",        SP_DBG_CS,         "dump compute shader assembly to stderr"},
+   {"no_rast",   SP_DBG_NO_RAST,    "no-ops rasterization, for profiling purposes"},
+   {"use_llvm",  SP_DBG_USE_LLVM,   "Use LLVM if available for shaders"},
+};
+
+int sp_debug;
+DEBUG_GET_ONCE_FLAGS_OPTION(sp_debug, "SOFTPIPE_DEBUG", sp_debug_options, 0)
 
 static const char *
 softpipe_get_vendor(struct pipe_screen *screen)
@@ -519,6 +529,8 @@ softpipe_create_screen(struct sw_winsys *winsys)
    if (!screen)
       return NULL;
 
+   sp_debug = debug_get_option_sp_debug();
+
    screen->winsys = winsys;
 
    screen->base.destroy = softpipe_destroy_screen;
@@ -534,7 +546,7 @@ softpipe_create_screen(struct sw_winsys *winsys)
    screen->base.context_create = softpipe_create_context;
    screen->base.flush_frontbuffer = softpipe_flush_frontbuffer;
    screen->base.get_compute_param = softpipe_get_compute_param;
-   screen->use_llvm = debug_get_option_use_llvm();
+   screen->use_llvm = sp_debug & SP_DBG_USE_LLVM;
 
    softpipe_init_screen_texture_funcs(&screen->base);
    softpipe_init_screen_fence_funcs(&screen->base);

diff --git a/src/gallium/drivers/softpipe/sp_screen.h b/src/gallium/drivers/softpipe/sp_screen.h
index f0e929111c25d87f4c56a299905c17d5625f858d..969fa378ecfc20b9b0ffac19b4a0018b1c035a1f 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_screen.h
+++ b/src/gallium/drivers/softpipe/sp_screen.h
@@ -55,6 +55,17 @@ softpipe_screen( struct pipe_screen *pipe )
    return (struct softpipe_screen *)pipe;
 }
 
+enum sp_debug_flag {
+   SP_DBG_VS              = BITFIELD_BIT(0),
+   /* SP_DBG_TCS             = BITFIELD_BIT(1), */
+   /* SP_DBG_TES             = BITFIELD_BIT(2), */
+   SP_DBG_GS              = BITFIELD_BIT(3),
+   SP_DBG_FS              = BITFIELD_BIT(4),
+   SP_DBG_CS              = BITFIELD_BIT(5),
+   SP_DBG_USE_LLVM        = BITFIELD_BIT(6),
+   SP_DBG_NO_RAST         = BITFIELD_BIT(7),
+};
 
+extern int sp_debug;
 
 #endif /* SP_SCREEN_H */

diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index a91e4f588c8e5f83e5c016293f58d22ed1ecedfa..c64337dc5e9e2e3983a3f82b4c258e333bbdaf28 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -33,6 +33,7 @@
  */
 
 #include "sp_context.h"
+#include "sp_screen.h"
 #include "sp_quad.h"
 #include "sp_quad_pipe.h"
 #include "sp_setup.h"
@@ -808,7 +809,8 @@ sp_setup_tri(struct setup_context *setup,
    print_vertex(setup, v2);
 #endif
 
-   if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard)
+   if (unlikely(sp_debug & SP_DBG_NO_RAST) ||
+       setup->softpipe->rasterizer->rasterizer_discard)
       return;
    
    det = calc_det(v0, v1, v2);
@@ -1093,7 +1095,8 @@ sp_setup_line(struct setup_context *setup,
    print_vertex(setup, v1);
 #endif
 
-   if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard)
+   if (unlikely(sp_debug & SP_DBG_NO_RAST) ||
+       setup->softpipe->rasterizer->rasterizer_discard)
       return;
 
    if (dx == 0 && dy == 0)
@@ -1240,7 +1243,8 @@ sp_setup_point(struct setup_context *setup,
 
    assert(sinfo->valid);
 
-   if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard)
+   if (unlikely(sp_debug & SP_DBG_NO_RAST) ||
+       setup->softpipe->rasterizer->rasterizer_discard)
       return;
 
    assert(setup->softpipe->reduced_prim == PIPE_PRIM_POINTS);

diff --git a/src/gallium/drivers/softpipe/sp_state_shader.c b/src/gallium/drivers/softpipe/sp_state_shader.c
index fef187e7f114c62acc46174b88e759e716a149f4..b53d5540bdb2b1fb8cc25369d40ccbe01865d365 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_state_shader.c
+++ b/src/gallium/drivers/softpipe/sp_state_shader.c
@@ -26,6 +26,7 @@
  **************************************************************************/
 
 #include "sp_context.h"
+#include "sp_screen.h"
 #include "sp_state.h"
 #include "sp_fs.h"
 #include "sp_texture.h"
@@ -137,7 +138,7 @@ softpipe_create_fs_state(struct pipe_context *pipe,
    struct softpipe_context *softpipe = softpipe_context(pipe);
    struct sp_fragment_shader *state = CALLOC_STRUCT(sp_fragment_shader);
 
-   softpipe_create_shader_state(&state->shader, templ, softpipe->dump_fs);
+   softpipe_create_shader_state(&state->shader, templ, sp_debug & SP_DBG_FS);
 
    /* draw's fs state */
    state->draw_shader = draw_create_fragment_shader(softpipe->draw,
@@ -221,7 +222,7 @@ softpipe_create_vs_state(struct pipe_context *pipe,
    if (!state)
       goto fail;
 
-   softpipe_create_shader_state(&state->shader, templ, false);
+   softpipe_create_shader_state(&state->shader, templ, sp_debug & SP_DBG_VS);
    if (!state->shader.tokens)
       goto fail;
 
@@ -281,7 +282,7 @@ softpipe_create_gs_state(struct pipe_context *pipe,
    if (!state)
       goto fail;
 
-   softpipe_create_shader_state(&state->shader, templ, softpipe->dump_gs);
+   softpipe_create_shader_state(&state->shader, templ, sp_debug & SP_DBG_GS);
 
    if (templ->tokens) {
       state->draw_data = draw_create_geometry_shader(softpipe->draw, templ);
@@ -380,7 +381,6 @@ static void *
 softpipe_create_compute_state(struct pipe_context *pipe,
                               const struct pipe_compute_state *templ)
 {
-   struct softpipe_context *softpipe = softpipe_context(pipe);
    const struct tgsi_token *tokens;
    struct sp_compute_shader *state;
    if (templ->ir_type != PIPE_SHADER_IR_TGSI)
@@ -388,7 +388,7 @@ softpipe_create_compute_state(struct pipe_context *pipe,
 
    tokens = templ->prog;
    /* debug */
-   if (softpipe->dump_cs)
+   if (sp_debug & SP_DBG_CS)
       tgsi_dump(tokens, 0);
 
    state = CALLOC_STRUCT(sp_compute_shader);