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-rw-r--r--src/gallium/drivers/freedreno/freedreno_screen.c1
-rw-r--r--src/gallium/drivers/freedreno/freedreno_util.h1
-rw-r--r--src/gallium/drivers/freedreno/ir3/ir3_cmdline.c7
-rw-r--r--src/gallium/drivers/freedreno/ir3/ir3_compiler.c2
4 files changed, 10 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index bc6ff78aa73..ddc7302c5c8 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -70,6 +70,7 @@ static const struct debug_named_value debug_options[] = {
{"optmsgs", FD_DBG_OPTMSGS,"Enable optimizater debug messages"},
{"optdump", FD_DBG_OPTDUMP,"Dump shader DAG to .dot files"},
{"glsl130", FD_DBG_GLSL130,"Temporary flag to enable GLSL 130 on a3xx+"},
+ {"nocp", FD_DBG_NOCP, "Disable copy-propagation"},
DEBUG_NAMED_VALUE_END
};
diff --git a/src/gallium/drivers/freedreno/freedreno_util.h b/src/gallium/drivers/freedreno/freedreno_util.h
index f1a1e6e7c55..36a5995c43d 100644
--- a/src/gallium/drivers/freedreno/freedreno_util.h
+++ b/src/gallium/drivers/freedreno/freedreno_util.h
@@ -66,6 +66,7 @@ enum adreno_stencil_op fd_stencil_op(unsigned op);
#define FD_DBG_OPTMSGS 0x0400
#define FD_DBG_OPTDUMP 0x0800
#define FD_DBG_GLSL130 0x1000
+#define FD_DBG_NOCP 0x2000
extern int fd_mesa_debug;
extern bool fd_binning_enabled;
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c b/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c
index 86239b45465..652ec163f80 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c
@@ -133,6 +133,7 @@ static void print_usage(void)
printf(" --saturate-s MASK - bitmask of samplers to saturate S coord\n");
printf(" --saturate-t MASK - bitmask of samplers to saturate T coord\n");
printf(" --saturate-r MASK - bitmask of samplers to saturate R coord\n");
+ printf(" --nocp - disable copy propagation\n");
printf(" --help - show this message\n");
}
@@ -199,6 +200,12 @@ int main(int argc, char **argv)
continue;
}
+ if (!strcmp(argv[n], "--nocp")) {
+ fd_mesa_debug |= FD_DBG_NOCP;
+ n++;
+ continue;
+ }
+
if (!strcmp(argv[n], "--help")) {
print_usage();
return 0;
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
index dc4f985f4b7..233f1748b05 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
@@ -3175,7 +3175,7 @@ ir3_compile_shader(struct ir3_shader_variant *so,
ir3_dump_instr_list(block->head);
}
- if (cp)
+ if (cp && !(fd_mesa_debug & FD_DBG_NOCP))
ir3_block_cp(block);
if (fd_mesa_debug & FD_DBG_OPTDUMP)