diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/radeonsi/si_debug.c | 95 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_pipe.h | 1 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 14 |
3 files changed, 105 insertions, 5 deletions
diff --git a/src/gallium/drivers/radeonsi/si_debug.c b/src/gallium/drivers/radeonsi/si_debug.c index c45f8c0ea50..a07b1c56579 100644 --- a/src/gallium/drivers/radeonsi/si_debug.c +++ b/src/gallium/drivers/radeonsi/si_debug.c @@ -28,8 +28,11 @@ #include "si_shader.h" #include "sid.h" #include "sid_tables.h" +#include "radeon/radeon_elf_util.h" #include "ddebug/dd_util.h" +#include "util/u_memory.h" +DEBUG_GET_ONCE_OPTION(replace_shaders, "RADEON_REPLACE_SHADERS", NULL) static void si_dump_shader(struct si_shader_ctx_state *state, const char *name, FILE *f) @@ -42,6 +45,98 @@ static void si_dump_shader(struct si_shader_ctx_state *state, const char *name, fprintf(f, "%s\n\n", state->current->binary.disasm_string); } +/** + * Shader compiles can be overridden with arbitrary ELF objects by setting + * the environment variable RADEON_REPLACE_SHADERS=num1:filename1[;num2:filename2] + */ +bool si_replace_shader(unsigned num, struct radeon_shader_binary *binary) +{ + const char *p = debug_get_option_replace_shaders(); + const char *semicolon; + char *copy = NULL; + FILE *f; + long filesize, nread; + char *buf = NULL; + bool replaced = false; + + if (!p) + return false; + + while (*p) { + unsigned long i; + char *endp; + i = strtoul(p, &endp, 0); + + p = endp; + if (*p != ':') { + fprintf(stderr, "RADEON_REPLACE_SHADERS formatted badly.\n"); + exit(1); + } + ++p; + + if (i == num) + break; + + p = strchr(p, ';'); + if (!p) + return false; + ++p; + } + if (!*p) + return false; + + semicolon = strchr(p, ';'); + if (semicolon) { + p = copy = strndup(p, semicolon - p); + if (!copy) { + fprintf(stderr, "out of memory\n"); + return false; + } + } + + fprintf(stderr, "radeonsi: replace shader %u by %s\n", num, p); + + f = fopen(p, "r"); + if (!f) { + perror("radeonsi: failed to open file"); + goto out_free; + } + + if (fseek(f, 0, SEEK_END) != 0) + goto file_error; + + filesize = ftell(f); + if (filesize < 0) + goto file_error; + + if (fseek(f, 0, SEEK_SET) != 0) + goto file_error; + + buf = MALLOC(filesize); + if (!buf) { + fprintf(stderr, "out of memory\n"); + goto out_close; + } + + nread = fread(buf, 1, filesize, f); + if (nread != filesize) + goto file_error; + + radeon_elf_read(buf, filesize, binary); + replaced = true; + +out_close: + fclose(f); +out_free: + FREE(buf); + free(copy); + return replaced; + +file_error: + perror("radeonsi: reading shader"); + goto out_close; +} + /* Parsed IBs are difficult to read without colors. Use "less -R file" to * read them, or use "aha -b -f file" to convert them to html. */ diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h index 65c7e198d1d..f83cb024f0e 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.h +++ b/src/gallium/drivers/radeonsi/si_pipe.h @@ -329,6 +329,7 @@ void si_init_cp_dma_functions(struct si_context *sctx); /* si_debug.c */ void si_init_debug_functions(struct si_context *sctx); void si_check_vm_faults(struct si_context *sctx); +bool si_replace_shader(unsigned num, struct radeon_shader_binary *binary); /* si_dma.c */ void si_dma_copy(struct pipe_context *ctx, diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 511ed8829c6..0e98784d51b 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -3884,13 +3884,17 @@ int si_compile_llvm(struct si_screen *sscreen, struct si_shader *shader, bool dump_asm = r600_can_dump_shader(&sscreen->b, shader->selector ? shader->selector->tokens : NULL); bool dump_ir = dump_asm && !(sscreen->b.debug_flags & DBG_NO_IR); + unsigned count = p_atomic_inc_return(&sscreen->b.num_compilations); - p_atomic_inc(&sscreen->b.num_compilations); + if (dump_ir || dump_asm) + fprintf(stderr, "radeonsi: Compiling shader %d\n", count); - r = radeon_llvm_compile(mod, &shader->binary, - r600_get_llvm_processor_name(sscreen->b.family), dump_ir, dump_asm, tm); - if (r) - return r; + if (!si_replace_shader(count, &shader->binary)) { + r = radeon_llvm_compile(mod, &shader->binary, + r600_get_llvm_processor_name(sscreen->b.family), dump_ir, dump_asm, tm); + if (r) + return r; + } r = si_shader_binary_read(sscreen, shader); |