From: Eric Anholt Date: Sat, 28 Jun 2014 21:36:26 +0000 (-0700) Subject: vc4: Add VC4_DEBUG env option X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=21db43021041e8dedc45bb232c10ece83fd09dd1;p=mesa.git vc4: Add VC4_DEBUG env option v2: Fix an accidental deletion of some characters from the copyright message (caught by Ilia Mirkin) --- diff --git a/src/gallium/drivers/vc4/vc4_context.c b/src/gallium/drivers/vc4/vc4_context.c index 66cba1f33e0..032d606eb7a 100644 --- a/src/gallium/drivers/vc4/vc4_context.c +++ b/src/gallium/drivers/vc4/vc4_context.c @@ -110,13 +110,16 @@ vc4_flush(struct pipe_context *pctx) submit.shader_record_len = vc4->shader_rec.next - vc4->shader_rec.base; submit.shader_record_count = vc4->shader_rec_count; + if (!(vc4_debug & VC4_DEBUG_NORAST)) { #ifndef USE_VC4_SIMULATOR - int ret = drmIoctl(vc4->fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit); - if (ret) - errx(1, "VC4 submit failed\n"); + int ret = drmIoctl(vc4->fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit); + if (ret) + errx(1, "VC4 submit failed\n"); #else - vc4_simulator_flush(vc4, csurf); + vc4_simulator_flush(vc4, csurf); #endif + } + vc4_reset_cl(&vc4->bcl); vc4_reset_cl(&vc4->rcl); vc4_reset_cl(&vc4->shader_rec); @@ -158,6 +161,10 @@ vc4_context_create(struct pipe_screen *pscreen, void *priv) struct vc4_screen *screen = vc4_screen(pscreen); struct vc4_context *vc4; + /* Prevent dumping of the shaders built during context setup. */ + uint32_t saved_shaderdb_flag = vc4_debug & VC4_DEBUG_SHADERDB; + vc4_debug &= ~VC4_DEBUG_SHADERDB; + vc4 = CALLOC_STRUCT(vc4_context); if (vc4 == NULL) return NULL; @@ -194,6 +201,8 @@ vc4_context_create(struct pipe_screen *pscreen, void *priv) if (!vc4->primconvert) goto fail; + vc4_debug |= saved_shaderdb_flag; + return &vc4->base; fail: diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 4742c54772a..8d71212a69f 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -274,8 +274,6 @@ emit_tgsi_instruction(struct tgsi_to_qir *trans, if (tgsi_op == TGSI_OPCODE_END) return; - tgsi_dump_instruction(tgsi_inst, asdf++); - if (tgsi_op > ARRAY_SIZE(op_trans) || !op_trans[tgsi_op].func) { fprintf(stderr, "unknown tgsi inst: "); tgsi_dump_instruction(tgsi_inst, asdf++); @@ -329,7 +327,7 @@ emit_frag_init(struct tgsi_to_qir *trans, struct vc4_shader_state *so) { /* XXX: lols */ for (int i = 0; i < 4; i++) { - trans->inputs[i] = qir_uniform_ui(trans, fui(i / 4.0)); + trans->inputs[i] = qir_uniform_ui(trans, fui(1.0)); } } @@ -457,8 +455,10 @@ vc4_shader_tgsi_to_qir(struct vc4_shader_state *so, enum qstage stage) ret = tgsi_parse_init(&trans->parser, so->base.tokens); assert(ret == TGSI_PARSE_OK); - fprintf(stderr, "TGSI:\n"); - tgsi_dump(so->base.tokens, 0); + if (vc4_debug & VC4_DEBUG_TGSI) { + fprintf(stderr, "TGSI:\n"); + tgsi_dump(so->base.tokens, 0); + } switch (stage) { case QSTAGE_FRAG: @@ -500,13 +500,23 @@ vc4_shader_tgsi_to_qir(struct vc4_shader_state *so, enum qstage stage) break; } - qir_dump(c); + if (vc4_debug & VC4_DEBUG_QIR) { + fprintf(stderr, "QIR:\n"); + qir_dump(c); + } tgsi_parse_free(&trans->parser); free(trans->temps); vc4_generate_code(c); + if (vc4_debug & VC4_DEBUG_SHADERDB) { + fprintf(stderr, "SHADER-DB: %s: %d instructions\n", + qir_get_stage_name(c->stage), c->num_qpu_insts); + fprintf(stderr, "SHADER-DB: %s: %d uniforms\n", + qir_get_stage_name(c->stage), trans->num_uniforms); + } + return trans; } @@ -629,7 +639,7 @@ vc4_get_uniform_bo(struct vc4_context *vc4, struct vc4_shader_state *shader, map[i] = fui(vc4->framebuffer.height * -16.0f / 2.0f); break; } -#if 1 +#if 0 fprintf(stderr, "%p/%d: %d: 0x%08x (%f)\n", shader, shader_index, i, map[i], uif(map[i])); #endif diff --git a/src/gallium/drivers/vc4/vc4_qpu_emit.c b/src/gallium/drivers/vc4/vc4_qpu_emit.c index d0f7f894182..4591c6b0301 100644 --- a/src/gallium/drivers/vc4/vc4_qpu_emit.c +++ b/src/gallium/drivers/vc4/vc4_qpu_emit.c @@ -363,7 +363,9 @@ vc4_generate_code(struct qcompile *c) c->qpu_insts = insts; c->num_qpu_insts = ni; - vc4_dump_program(c); + if (vc4_debug & VC4_DEBUG_QPU) + vc4_dump_program(c); + vc4_qpu_validate(insts, ni); } diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c index 7c7ed4ca6eb..59ac1e2a8c1 100644 --- a/src/gallium/drivers/vc4/vc4_screen.c +++ b/src/gallium/drivers/vc4/vc4_screen.c @@ -37,9 +37,25 @@ #include "vc4_resource.h" static const struct debug_named_value debug_options[] = { - {"cl", VC4_DBG_CL, "Dump command list during creation"}, + { "cl", VC4_DEBUG_CL, + "Dump command list during creation" }, + { "qpu", VC4_DEBUG_QPU, + "Dump generated QPU instructions" }, + { "qir", VC4_DEBUG_QIR, + "Dump QPU IR during program compile" }, + { "tgsi", VC4_DEBUG_TGSI, + "Dump TGSI during program compile" }, + { "shaderdb", VC4_DEBUG_SHADERDB, + "Dump program compile information for shader-db analysis" }, + { "perf", VC4_DEBUG_PERF, + "Print during performance-related events" }, + { "norast", VC4_DEBUG_NORAST, + "Skip actual hardware execution of commands" }, }; +DEBUG_GET_ONCE_FLAGS_OPTION(vc4_debug, "VC4_DEBUG", debug_options, 0) +uint32_t vc4_debug; + static const char * vc4_screen_get_name(struct pipe_screen *pscreen) { @@ -381,6 +397,10 @@ vc4_screen_create(int fd) screen->fd = fd; + vc4_debug = debug_get_option_vc4_debug(); + if (vc4_debug & VC4_DEBUG_SHADERDB) + vc4_debug |= VC4_DEBUG_NORAST; + #if USE_VC4_SIMULATOR vc4_simulator_init(screen); #endif diff --git a/src/gallium/drivers/vc4/vc4_screen.h b/src/gallium/drivers/vc4/vc4_screen.h index 64bd2cf6510..1fe5ce14190 100644 --- a/src/gallium/drivers/vc4/vc4_screen.h +++ b/src/gallium/drivers/vc4/vc4_screen.h @@ -29,7 +29,13 @@ struct vc4_bo; -#define VC4_DBG_CL 0x0001 +#define VC4_DEBUG_CL 0x0001 +#define VC4_DEBUG_QPU 0x0002 +#define VC4_DEBUG_QIR 0x0004 +#define VC4_DEBUG_TGSI 0x0008 +#define VC4_DEBUG_SHADERDB 0x0010 +#define VC4_DEBUG_PERF 0x0020 +#define VC4_DEBUG_NORAST 0x0040 #define VC4_MAX_MIP_LEVELS 11 @@ -60,4 +66,6 @@ vc4_screen_bo_from_handle(struct pipe_screen *pscreen, uint8_t vc4_get_texture_format(enum pipe_format format); +extern uint32_t vc4_debug; + #endif /* VC4_SCREEN_H */