unsigned total = offset + sz;
if (total > bo->length) {
- pandecode_msg("XXX: buffer overrun."
- "Chunk of size %d at offset %d in buffer of size %d. "
- "Overrun by %d bytes.",
+ pandecode_msg("XXX: buffer overrun. "
+ "Chunk of size %zu at offset %d in buffer of size %zu. "
+ "Overrun by %zu bytes. \n",
sz, offset, bo->length, total - bo->length);
return;
}
FLAG_INFO(HAS_MSAA),
FLAG_INFO(CAN_DISCARD),
FLAG_INFO(HAS_BLEND_SHADER),
- FLAG_INFO(DEPTH_TEST),
+ FLAG_INFO(DEPTH_WRITEMASK),
{}
};
#define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
static const struct pandecode_flag_info shader_midgard1_flag_info [] = {
FLAG_INFO(EARLY_Z),
- FLAG_INFO(HELPER_INVOCATIONS),
FLAG_INFO(READS_TILEBUFFER),
FLAG_INFO(READS_ZS),
{}
#undef DEFINE_CASE
-#define DEFINE_CASE(name) case MALI_ATTR_ ## name: return "MALI_ATTR_" #name
-static char *pandecode_attr_mode(enum mali_attr_mode mode)
+static char *pandecode_attr_mode_short(enum mali_attr_mode mode)
{
switch(mode) {
- DEFINE_CASE(UNUSED);
- DEFINE_CASE(LINEAR);
- DEFINE_CASE(POT_DIVIDE);
- DEFINE_CASE(MODULO);
- DEFINE_CASE(NPOT_DIVIDE);
- DEFINE_CASE(IMAGE);
- DEFINE_CASE(INTERNAL);
+ /* TODO: Combine to just "instanced" once this can be done
+ * unambiguously in all known cases */
+ case MALI_ATTR_POT_DIVIDE:
+ return "instanced_pot";
+ case MALI_ATTR_MODULO:
+ return "instanced_mod";
+ case MALI_ATTR_NPOT_DIVIDE:
+ return "instanced_npot";
+ case MALI_ATTR_IMAGE:
+ return "image";
+ case MALI_ATTR_INTERNAL:
+ return "internal";
default:
pandecode_msg("XXX: invalid attribute mode %X\n", mode);
return "";
}
}
-#undef DEFINE_CASE
+static const char *
+pandecode_special_varying(uint64_t v)
+{
+ switch(v) {
+ case MALI_VARYING_FRAG_COORD:
+ return "gl_FragCoord";
+ case MALI_VARYING_FRONT_FACING:
+ return "gl_FrontFacing";
+ case MALI_VARYING_POINT_COORD:
+ return "gl_PointCoord";
+ default:
+ pandecode_msg("XXX: invalid special varying %" PRIx64 "\n", v);
+ return "";
+ }
+}
#define DEFINE_CASE(name) case MALI_WRAP_## name: return "MALI_WRAP_" #name
static char *
/* When tiling is enabled, the heap should be a tight fit */
unsigned heap_offset = t->heap_start - heap->gpu_va;
if ((heap_offset + heap_size) != heap->length) {
- pandecode_msg("XXX: heap size %d (expected %d)\n",
+ pandecode_msg("XXX: heap size %u (expected %zu)\n",
heap_size, heap->length - heap_offset);
}
pandecode_log("}\n");
}
-static void
+/* Information about the framebuffer passed back for
+ * additional analysis */
+
+struct pandecode_fbd {
+ unsigned width;
+ unsigned height;
+ unsigned rt_count;
+ bool has_extra;
+};
+
+static struct pandecode_fbd
pandecode_sfbd(uint64_t gpu_va, int job_no, bool is_fragment)
{
struct pandecode_mapped_memory *mem = pandecode_find_mapped_gpu_mem_containing(gpu_va);
const struct mali_single_framebuffer *PANDECODE_PTR_VAR(s, mem, (mali_ptr) gpu_va);
+ struct pandecode_fbd info = {
+ .has_extra = false,
+ .rt_count = 1
+ };
+
pandecode_log("struct mali_single_framebuffer framebuffer_%"PRIx64"_%d = {\n", gpu_va, job_no);
pandecode_indent++;
pandecode_log_decoded_flags(fb_fmt_flag_info, s->format);
pandecode_log_cont(",\n");
- pandecode_prop("width = MALI_POSITIVE(%" PRId16 ")", s->width + 1);
- pandecode_prop("height = MALI_POSITIVE(%" PRId16 ")", s->height + 1);
+ info.width = s->width + 1;
+ info.height = s->height + 1;
+
+ pandecode_prop("width = MALI_POSITIVE(%" PRId16 ")", info.width);
+ pandecode_prop("height = MALI_POSITIVE(%" PRId16 ")", info.height);
MEMORY_PROP(s, framebuffer);
pandecode_prop("stride = %d", s->stride);
printf("%X, ", s->zero6[i]);
printf("},\n");
+
+ return info;
}
static void
pandecode_log("};\n");
}
-static unsigned
+static struct pandecode_fbd
pandecode_mfbd_bfr(uint64_t gpu_va, int job_no, bool is_fragment)
{
struct pandecode_mapped_memory *mem = pandecode_find_mapped_gpu_mem_containing(gpu_va);
const struct bifrost_framebuffer *PANDECODE_PTR_VAR(fb, mem, (mali_ptr) gpu_va);
+ struct pandecode_fbd info;
+
if (fb->sample_locations) {
/* The blob stores all possible sample locations in a single buffer
* allocated on startup, and just switches the pointer when switching
* now */
MEMORY_PROP(fb, unknown1);
+ info.width = fb->width1 + 1;
+ info.height = fb->height1 + 1;
+ info.rt_count = fb->rt_count_1 + 1;
+
pandecode_prop("width1 = MALI_POSITIVE(%d)", fb->width1 + 1);
pandecode_prop("height1 = MALI_POSITIVE(%d)", fb->height1 + 1);
pandecode_prop("width2 = MALI_POSITIVE(%d)", fb->width2 + 1);
gpu_va += sizeof(struct bifrost_framebuffer);
- if ((fb->mfbd_flags & MALI_MFBD_EXTRA) && is_fragment) {
+ info.has_extra = (fb->mfbd_flags & MALI_MFBD_EXTRA) && is_fragment;
+
+ if (info.has_extra) {
mem = pandecode_find_mapped_gpu_mem_containing(gpu_va);
const struct bifrost_fb_extra *PANDECODE_PTR_VAR(fbx, mem, (mali_ptr) gpu_va);
if (is_fragment)
pandecode_render_target(gpu_va, job_no, fb);
- /* Passback the render target count */
- return MALI_NEGATIVE(fb->rt_count_1);
+ return info;
}
/* Just add a comment decoding the shift/odd fields forming the padded vertices
static void
pandecode_attributes(const struct pandecode_mapped_memory *mem,
mali_ptr addr, int job_no, char *suffix,
- int count, bool varying)
+ int count, bool varying, enum mali_job_type job_type)
{
- char *prefix = varying ? "varyings" : "attributes";
+ char *prefix = varying ? "varying" : "attribute";
+ assert(addr);
- if (!addr) {
- pandecode_msg("no %s\n", prefix);
+ if (!count) {
+ pandecode_msg("warn: No %s records\n", prefix);
return;
}
union mali_attr *attr = pandecode_fetch_gpu_mem(mem, addr, sizeof(union mali_attr) * count);
- pandecode_log("union mali_attr %s_%d[] = {\n", prefix, job_no);
- pandecode_indent++;
-
for (int i = 0; i < count; ++i) {
- pandecode_log("{\n");
- pandecode_indent++;
+ /* First, check for special records */
+ if (attr[i].elements < MALI_VARYING_SPECIAL) {
+ /* Special records are always varyings */
+
+ if (!varying)
+ pandecode_msg("XXX: Special varying in attribute field\n");
+
+ if (job_type != JOB_TYPE_TILER)
+ pandecode_msg("XXX: Special varying in non-FS\n");
+
+ /* We're special, so all fields should be zero */
+ unsigned zero = attr[i].stride | attr[i].size;
+ zero |= attr[i].shift | attr[i].extra_flags;
+
+ if (zero)
+ pandecode_msg("XXX: Special varying has non-zero fields\n");
+ else {
+ /* Print the special varying name */
+ pandecode_log("varying_%d = %s;", i, pandecode_special_varying(attr[i].elements));
+ continue;
+ }
+ }
enum mali_attr_mode mode = attr[i].elements & 7;
if (mode == MALI_ATTR_UNUSED)
pandecode_msg("XXX: unused attribute record\n");
+ /* For non-linear records, we need to print the type of record */
+ if (mode != MALI_ATTR_LINEAR)
+ pandecode_log_cont("%s ", pandecode_attr_mode_short(mode));
+
+ /* Print the name to link with attr_meta */
+ pandecode_log_cont("%s_%d", prefix, i);
+
+ /* Print the stride and size */
+ pandecode_log_cont("<%u>[%u]", attr[i].stride, attr[i].size);
+
+ /* TODO: Sanity check the quotient itself. It must be equal to
+ * (or be greater than, if the driver added padding) the padded
+ * vertex count. */
+
+ /* Finally, print the pointer */
mali_ptr raw_elements = attr[i].elements & ~7;
char *a = pointer_as_memory_reference(raw_elements);
- pandecode_prop("elements = (%s) | %s", a, pandecode_attr_mode(mode));
+ pandecode_log_cont(" = (%s);\n", a);
free(a);
- pandecode_prop("shift = %d", attr[i].shift);
- pandecode_prop("extra_flags = %d", attr[i].extra_flags);
- pandecode_prop("stride = 0x%" PRIx32, attr[i].stride);
- pandecode_prop("size = 0x%" PRIx32, attr[i].size);
+ /* Check the pointer */
+ pandecode_validate_buffer(raw_elements, attr[i].size);
+
+ /* shift/extra_flags exist only for instanced */
+ if (attr[i].shift | attr[i].extra_flags) {
+ /* These are set to random values by the blob for
+ * varyings, most likely a symptom of uninitialized
+ * memory where the hardware masked the bug. As such we
+ * put this at a warning, not an error. */
+
+ if (mode == MALI_ATTR_LINEAR)
+ pandecode_msg("warn: instancing fields set for linear\n");
+
+ pandecode_prop("shift = %d", attr[i].shift);
+ pandecode_prop("extra_flags = %d", attr[i].extra_flags);
+ }
/* Decode further where possible */
attr[i].extra_flags);
}
- pandecode_indent--;
- pandecode_log("}, \n");
-
if (mode == MALI_ATTR_NPOT_DIVIDE) {
i++;
pandecode_log("{\n");
}
- pandecode_indent--;
- pandecode_log("};\n");
+ pandecode_log("\n");
}
static mali_ptr
return shader_ptr;
}
-static bool
-all_zero(unsigned *buffer, unsigned count)
-{
- for (unsigned i = 0; i < count; ++i) {
- if (buffer[i])
- return false;
- }
-
- return true;
-}
-
static void
pandecode_stencil(const char *name, const struct mali_stencil_test *stencil)
{
- if (all_zero((unsigned *) stencil, sizeof(stencil) / sizeof(unsigned)))
+ unsigned any_nonzero =
+ stencil->ref | stencil->mask | stencil->func |
+ stencil->sfail | stencil->dpfail | stencil->dppass;
+
+ if (any_nonzero == 0)
return;
const char *func = pandecode_func(stencil->func);
static mali_ptr
pandecode_midgard_blend(union midgard_blend *blend, bool is_shader)
{
- if (all_zero((unsigned *) blend, sizeof(blend) / sizeof(unsigned)))
+ /* constant/equation is in a union */
+ if (!blend->shader)
return 0;
pandecode_log(".blend = {\n");
unsigned max_index = 0;
snprintf(base, sizeof(base), "%s_meta", prefix);
- pandecode_log("struct mali_attr_meta %s_%d%s[] = {\n", base, job_no, suffix);
- pandecode_indent++;
-
struct mali_attr_meta *attr_meta;
- mali_ptr p = varying ? (v->varying_meta & ~0xF) : v->attribute_meta;
+ mali_ptr p = varying ? v->varying_meta : v->attribute_meta;
struct pandecode_mapped_memory *attr_mem = pandecode_find_mapped_gpu_mem_containing(p);
pandecode_prop("unknown3 = 0x%" PRIx64, (u64) attr_meta->unknown3);
}
- pandecode_make_indent();
pandecode_format_short(attr_meta->format, false);
pandecode_log_cont(" %s_%u", prefix, attr_meta->index);
pandecode_log_cont(";\n");
}
- pandecode_indent--;
- pandecode_log("};\n");
+ pandecode_log("\n");
return count ? (max_index + 1) : 0;
}
-static void
-pandecode_indices(uintptr_t pindices, uint32_t index_count, int job_no)
-{
- struct pandecode_mapped_memory *imem = pandecode_find_mapped_gpu_mem_containing(pindices);
-
- if (imem) {
- /* Indices are literally just a u32 array :) */
-
- uint32_t *PANDECODE_PTR_VAR(indices, imem, pindices);
-
- pandecode_log("uint32_t indices_%d[] = {\n", job_no);
- pandecode_indent++;
-
- for (unsigned i = 0; i < (index_count + 1); i += 3)
- pandecode_log("%d, %d, %d,\n",
- indices[i],
- indices[i + 1],
- indices[i + 2]);
-
- pandecode_indent--;
- pandecode_log("};\n");
- }
-}
-
/* return bits [lo, hi) of word */
static u32
bits(u32 word, u32 lo, u32 hi)
if (!canonical) {
pandecode_msg("XXX: non-canonical workgroups packing\n");
- pandecode_msg("expected: %X, %d, %d, %d, %d, %d\n",
+ pandecode_msg("expected: %X, %d, %d, %d, %d, %d, %d\n",
ref.invocation_count,
ref.size_y_shift,
ref.size_z_shift,
if (p->index_count)
pandecode_prop("index_count = MALI_POSITIVE(%" PRId32 ")", p->index_count + 1);
+
+ unsigned index_raw_size = (p->unknown_draw & MALI_DRAW_INDEXED_SIZE);
+ index_raw_size >>= MALI_DRAW_INDEXED_SHIFT;
+
+ /* Validate an index buffer is present if we need one. TODO: verify
+ * relationship between invocation_count and index_count */
+
+ if (p->indices) {
+ unsigned count = p->index_count;
+
+ /* Grab the size */
+ unsigned size = (index_raw_size == 0x3) ? 4 : index_raw_size;
+
+ /* Ensure we got a size, and if so, validate the index buffer
+ * is large enough to hold a full set of indices of the given
+ * size */
+
+ if (!index_raw_size)
+ pandecode_msg("XXX: index size missing\n");
+ else
+ pandecode_validate_buffer(p->indices, count * size);
+ } else if (index_raw_size)
+ pandecode_msg("XXX: unexpected index size %u\n", index_raw_size);
+
if (p->offset_bias_correction)
pandecode_prop("offset_bias_correction = %d", p->offset_bias_correction);
struct pandecode_mapped_memory *umem = pandecode_find_mapped_gpu_mem_containing(pubufs);
struct mali_uniform_buffer_meta *PANDECODE_PTR_VAR(ubufs, umem, pubufs);
- pandecode_log("struct mali_uniform_buffer_meta uniform_buffers_%"PRIx64"_%d[] = {\n",
- pubufs, job_no);
- pandecode_indent++;
-
for (int i = 0; i < ubufs_count; i++) {
- pandecode_log("{\n");
- pandecode_indent++;
-
unsigned size = (ubufs[i].size + 1) * 16;
mali_ptr addr = ubufs[i].ptr << 2;
pandecode_validate_buffer(addr, size);
char *ptr = pointer_as_memory_reference(ubufs[i].ptr << 2);
- pandecode_prop("size = %u", size);
- pandecode_prop("ptr = (%s) >> 2", ptr);
- pandecode_indent--;
- pandecode_log("},\n");
+ pandecode_log("ubuf_%d[%u] = %s;\n", i, size, ptr);
free(ptr);
}
- pandecode_indent--;
- pandecode_log("};\n");
+ pandecode_log("\n");
+}
+
+static void
+pandecode_uniforms(mali_ptr uniforms, unsigned uniform_count)
+{
+ pandecode_validate_buffer(uniforms, uniform_count * 16);
+
+ char *ptr = pointer_as_memory_reference(uniforms);
+ pandecode_log("vec4 uniforms[%u] = %s;\n", uniform_count, ptr);
+ free(ptr);
}
static void
static unsigned shader_id = 0;
-static void
+static struct midgard_disasm_stats
pandecode_shader_disassemble(mali_ptr shader_ptr, int shader_no, int type,
- bool is_bifrost, unsigned nr_regs)
+ bool is_bifrost)
{
struct pandecode_mapped_memory *mem = pandecode_find_mapped_gpu_mem_containing(shader_ptr);
uint8_t *PANDECODE_PTR_VAR(code, mem, shader_ptr);
printf("\n\n");
- char prefix[512];
-
- snprintf(prefix, sizeof(prefix) - 1, "shader%d - %s shader: ",
- shader_id++,
- (type == JOB_TYPE_TILER) ? "FRAGMENT" : "VERTEX");
+ struct midgard_disasm_stats stats;
if (is_bifrost) {
disassemble_bifrost(code, sz, false);
+
+ /* TODO: Extend stats to Bifrost */
+ stats.texture_count = -128;
+ stats.sampler_count = -128;
+ stats.attribute_count = -128;
+ stats.varying_count = -128;
+ stats.uniform_count = -128;
+ stats.uniform_buffer_count = -128;
+ stats.work_count = -128;
+
+ stats.instruction_count = 0;
+ stats.bundle_count = 0;
+ stats.quadword_count = 0;
+ stats.helper_invocations = false;
} else {
- disassemble_midgard(code, sz, true, nr_regs, prefix);
+ stats = disassemble_midgard(code, sz);
}
- printf("\n\n");
+ /* Print shader-db stats */
+
+ unsigned nr_threads =
+ (stats.work_count <= 4) ? 4 :
+ (stats.work_count <= 8) ? 2 :
+ 1;
+
+ printf("shader%d - %s shader: "
+ "%u inst, %u bundles, %u quadwords, "
+ "%u registers, %u threads, 0 loops\n\n\n",
+ shader_id++,
+ (type == JOB_TYPE_TILER) ? "FRAGMENT" : "VERTEX",
+ stats.instruction_count, stats.bundle_count, stats.quadword_count,
+ stats.work_count, nr_threads);
+
+
+ return stats;
}
static void
pandecode_log("};\n");
}
+/* For shader properties like texture_count, we have a claimed property in the shader_meta, and the actual Truth from static analysis (this may just be an upper limit). We validate accordingly */
+
+static void
+pandecode_shader_prop(const char *name, unsigned claim, signed truth, bool fuzzy)
+{
+ /* Nothing to do */
+ if (claim == truth)
+ return;
+
+ if (fuzzy)
+ assert(truth >= 0);
+
+ if ((truth >= 0) && !fuzzy) {
+ pandecode_msg("%s: expected %s = %d, claimed %u\n",
+ (truth < claim) ? "warn" : "XXX",
+ name, truth, claim);
+ } else if ((claim > -truth) && !fuzzy) {
+ pandecode_msg("XXX: expected %s <= %u, claimed %u\n",
+ name, -truth, claim);
+ } else if (fuzzy && (claim < truth))
+ pandecode_msg("XXX: expected %s >= %u, claimed %u\n",
+ name, truth, claim);
+
+ pandecode_log(".%s = %" PRId16, name, claim);
+
+ if (fuzzy)
+ pandecode_log_cont(" /* %u used */", truth);
+
+ pandecode_log_cont(",\n");
+}
+
static void
pandecode_vertex_tiler_postfix_pre(
const struct mali_vertex_tiler_postfix *p,
int job_no, enum mali_job_type job_type,
char *suffix, bool is_bifrost)
{
- mali_ptr shader_meta_ptr = (u64) (uintptr_t) (p->_shader_upper << 4);
struct pandecode_mapped_memory *attr_mem;
- unsigned rt_count = 1;
-
/* On Bifrost, since the tiler heap (for tiler jobs) and the scratchpad
* are the only things actually needed from the FBD, vertex/tiler jobs
* no longer reference the FBD -- instead, this field points to some
* info about the scratchpad.
*/
+
+ struct pandecode_fbd fbd_info = {
+ /* Default for Bifrost */
+ .rt_count = 1
+ };
+
if (is_bifrost)
pandecode_scratchpad(p->framebuffer & ~FBD_TYPE, job_no, suffix);
else if (p->framebuffer & MALI_MFBD)
- rt_count = pandecode_mfbd_bfr((u64) ((uintptr_t) p->framebuffer) & FBD_MASK, job_no, false);
+ fbd_info = pandecode_mfbd_bfr((u64) ((uintptr_t) p->framebuffer) & FBD_MASK, job_no, false);
else if (job_type == JOB_TYPE_COMPUTE)
pandecode_compute_fbd((u64) (uintptr_t) p->framebuffer, job_no);
else
- pandecode_sfbd((u64) (uintptr_t) p->framebuffer, job_no, false);
+ fbd_info = pandecode_sfbd((u64) (uintptr_t) p->framebuffer, job_no, false);
int varying_count = 0, attribute_count = 0, uniform_count = 0, uniform_buffer_count = 0;
int texture_count = 0, sampler_count = 0;
- if (shader_meta_ptr) {
- struct pandecode_mapped_memory *smem = pandecode_find_mapped_gpu_mem_containing(shader_meta_ptr);
- struct mali_shader_meta *PANDECODE_PTR_VAR(s, smem, shader_meta_ptr);
+ if (p->shader) {
+ struct pandecode_mapped_memory *smem = pandecode_find_mapped_gpu_mem_containing(p->shader);
+ struct mali_shader_meta *PANDECODE_PTR_VAR(s, smem, p->shader);
+
+ /* Disassemble ahead-of-time to get stats. Initialize with
+ * stats for the missing-shader case so we get validation
+ * there, too */
- pandecode_log("struct mali_shader_meta shader_meta_%"PRIx64"_%d%s = {\n", shader_meta_ptr, job_no, suffix);
+ struct midgard_disasm_stats info = {
+ .texture_count = 0,
+ .sampler_count = 0,
+ .attribute_count = 0,
+ .varying_count = 0,
+ .work_count = 1,
+
+ .uniform_count = -128,
+ .uniform_buffer_count = 0
+ };
+
+ if (s->shader & ~0xF)
+ info = pandecode_shader_disassemble(s->shader & ~0xF, job_no, job_type, is_bifrost);
+
+ pandecode_log("struct mali_shader_meta shader_meta_%"PRIx64"_%d%s = {\n", p->shader, job_no, suffix);
pandecode_indent++;
/* Save for dumps */
uniform_count = s->bifrost2.uniform_count;
uniform_buffer_count = s->bifrost1.uniform_buffer_count;
} else {
- uniform_count = s->midgard1.uniform_buffer_count;
+ uniform_count = s->midgard1.uniform_count;
uniform_buffer_count = s->midgard1.uniform_buffer_count;
}
- mali_ptr shader_ptr = pandecode_shader_address("shader", s->shader);
+ pandecode_shader_address("shader", s->shader);
- pandecode_prop("texture_count = %" PRId16, s->texture_count);
- pandecode_prop("sampler_count = %" PRId16, s->sampler_count);
- pandecode_prop("attribute_count = %" PRId16, s->attribute_count);
- pandecode_prop("varying_count = %" PRId16, s->varying_count);
+ pandecode_shader_prop("texture_count", s->texture_count, info.texture_count, false);
+ pandecode_shader_prop("sampler_count", s->sampler_count, info.sampler_count, false);
+ pandecode_shader_prop("attribute_count", s->attribute_count, info.attribute_count, false);
+ pandecode_shader_prop("varying_count", s->varying_count, info.varying_count, false);
+ pandecode_shader_prop("uniform_buffer_count",
+ uniform_buffer_count,
+ info.uniform_buffer_count, true);
- unsigned nr_registers = 0;
-
- if (is_bifrost) {
- pandecode_log(".bifrost1 = {\n");
- pandecode_indent++;
+ if (!is_bifrost) {
+ pandecode_shader_prop("uniform_count",
+ uniform_count,
+ info.uniform_count, false);
- pandecode_prop("uniform_buffer_count = %" PRId32, s->bifrost1.uniform_buffer_count);
- pandecode_prop("unk1 = 0x%" PRIx32, s->bifrost1.unk1);
+ pandecode_shader_prop("work_count",
+ s->midgard1.work_count, info.work_count, false);
+ }
- pandecode_indent--;
- pandecode_log("},\n");
+ if (is_bifrost) {
+ pandecode_prop("bifrost1.unk1 = 0x%" PRIx32, s->bifrost1.unk1);
} else {
- pandecode_log(".midgard1 = {\n");
- pandecode_indent++;
+ bool helpers = s->midgard1.flags & MALI_HELPER_INVOCATIONS;
+ s->midgard1.flags &= ~MALI_HELPER_INVOCATIONS;
- pandecode_prop("uniform_count = %" PRId16, s->midgard1.uniform_count);
- pandecode_prop("uniform_buffer_count = %" PRId16, s->midgard1.uniform_buffer_count);
- pandecode_prop("work_count = %" PRId16, s->midgard1.work_count);
- nr_registers = s->midgard1.work_count;
+ if (helpers != info.helper_invocations) {
+ pandecode_msg("XXX: expected helpers %u but got %u\n",
+ info.helper_invocations, helpers);
+ }
- pandecode_log(".flags = ");
+ pandecode_log(".midgard1.flags = ");
pandecode_log_decoded_flags(shader_midgard1_flag_info, s->midgard1.flags);
pandecode_log_cont(",\n");
- pandecode_prop("unknown2 = 0x%" PRIx32, s->midgard1.unknown2);
-
- pandecode_indent--;
- pandecode_log("},\n");
+ pandecode_prop("midgard1.unknown2 = 0x%" PRIx32, s->midgard1.unknown2);
}
if (s->depth_units || s->depth_factor) {
/* We're not quite sure what these flags mean without the depth test, if anything */
- if (unknown2_3 & (MALI_DEPTH_TEST | MALI_DEPTH_FUNC_MASK)) {
+ if (unknown2_3 & (MALI_DEPTH_WRITEMASK | MALI_DEPTH_FUNC_MASK)) {
const char *func = pandecode_func(MALI_GET_DEPTH_FUNC(unknown2_3));
unknown2_3 &= ~MALI_DEPTH_FUNC_MASK;
if (job_type == JOB_TYPE_TILER) {
void* blend_base = (void *) (s + 1);
- for (unsigned i = 0; i < rt_count; i++) {
+ for (unsigned i = 0; i < fbd_info.rt_count; i++) {
mali_ptr shader = 0;
if (is_bifrost)
else
shader = pandecode_midgard_blend_mrt(blend_base, job_no, i);
- if (shader & ~0xF)
- pandecode_shader_disassemble(shader, job_no, job_type, false, 0);
+ if (shader & ~0xF) {
+ struct midgard_disasm_stats stats =
+ pandecode_shader_disassemble(shader, job_no, job_type, false);
+
+ bool has_texture = (stats.texture_count > 0);
+ bool has_sampler = (stats.sampler_count > 0);
+ bool has_attribute = (stats.attribute_count > 0);
+ bool has_varying = (stats.varying_count > 0);
+ bool has_uniform = (stats.uniform_count > 0);
+ bool has_ubo = (stats.uniform_buffer_count > 0);
+
+ if (has_texture || has_sampler)
+ pandecode_msg("XXX: blend shader accessing textures\n");
+
+ if (has_attribute || has_varying)
+ pandecode_msg("XXX: blend shader accessing interstage\n");
+
+ if (has_uniform || has_ubo)
+ pandecode_msg("XXX: blend shader accessing uniforms\n");
+ }
+
}
}
-
- if (shader_ptr & ~0xF)
- pandecode_shader_disassemble(shader_ptr, job_no, job_type, is_bifrost, nr_registers);
} else
- pandecode_msg("<no shader>\n");
+ pandecode_msg("XXX: missing shader descriptor\n");
if (p->viewport) {
struct pandecode_mapped_memory *fmem = pandecode_find_mapped_gpu_mem_containing(p->viewport);
pandecode_log("};\n");
}
- if (p->attribute_meta) {
- unsigned max_attr_index = pandecode_attribute_meta(job_no, attribute_count, p, false, suffix);
+ unsigned max_attr_index = 0;
+
+ if (p->attribute_meta)
+ max_attr_index = pandecode_attribute_meta(job_no, attribute_count, p, false, suffix);
+ if (p->attributes) {
attr_mem = pandecode_find_mapped_gpu_mem_containing(p->attributes);
- pandecode_attributes(attr_mem, p->attributes, job_no, suffix, max_attr_index, false);
+ pandecode_attributes(attr_mem, p->attributes, job_no, suffix, max_attr_index, false, job_type);
}
/* Varyings are encoded like attributes but not actually sent; we just
/* Number of descriptors depends on whether there are
* non-internal varyings */
- pandecode_attributes(attr_mem, p->varyings, job_no, suffix, varying_count, true);
+ pandecode_attributes(attr_mem, p->varyings, job_no, suffix, varying_count, true, job_type);
}
if (p->uniform_buffers) {
if (uniform_buffer_count)
pandecode_uniform_buffers(p->uniform_buffers, uniform_buffer_count, job_no);
else
- pandecode_msg("XXX: UBOs specified but not referenced\n");
+ pandecode_msg("warn: UBOs specified but not referenced\n");
} else if (uniform_buffer_count)
pandecode_msg("XXX: UBOs referenced but not specified\n");
if (p->uniforms) {
if (uniform_count)
- pandecode_validate_buffer(p->uniforms, uniform_count * 16);
+ pandecode_uniforms(p->uniforms, uniform_count);
else
- pandecode_msg("XXX: Uniforms specified but not referenced");
+ pandecode_msg("warn: Uniforms specified but not referenced\n");
} else if (uniform_count)
- pandecode_msg("XXX: UBOs referenced but not specified\n");
+ pandecode_msg("XXX: Uniforms referenced but not specified\n");
if (p->texture_trampoline) {
struct pandecode_mapped_memory *mmem = pandecode_find_mapped_gpu_mem_containing(p->texture_trampoline);
static void
pandecode_vertex_tiler_postfix(const struct mali_vertex_tiler_postfix *p, int job_no, bool is_bifrost)
{
- if (!(p->position_varying || p->occlusion_counter || p->flags))
+ if (p->shader & 0xF)
+ pandecode_msg("warn: shader tagged %X\n", p->shader & 0xF);
+
+ if (!(p->position_varying || p->occlusion_counter))
return;
pandecode_log(".postfix = {\n");
MEMORY_PROP(p, position_varying);
MEMORY_PROP(p, occlusion_counter);
- if (p->flags)
- pandecode_prop("flags = %d", p->flags);
-
pandecode_indent--;
pandecode_log("},\n");
}
struct bifrost_payload_tiler *PANDECODE_PTR_VAR(t, mem, payload);
pandecode_vertex_tiler_postfix_pre(&t->postfix, job_no, h->job_type, "", true);
-
- pandecode_indices(t->prefix.indices, t->prefix.index_count, job_no);
pandecode_tiler_meta(t->tiler.tiler_meta, job_no);
pandecode_log("struct bifrost_payload_tiler payload_%d = {\n", job_no);
pandecode_vertex_tiler_postfix_pre(&v->postfix, job_no, h->job_type, "", false);
- pandecode_indices(v->prefix.indices, v->prefix.index_count, job_no);
-
pandecode_log("struct midgard_payload_vertex_tiler payload_%d = {\n", job_no);
pandecode_indent++;
{
const struct mali_payload_fragment *PANDECODE_PTR_VAR(s, mem, payload);
- bool fbd_dumped = false;
-
- if (!is_bifrost && (s->framebuffer & FBD_TYPE) == MALI_SFBD) {
- /* Only SFBDs are understood, not MFBDs. We're speculating,
- * based on the versioning, kernel code, etc, that the
- * difference is between Single FrameBuffer Descriptor and
- * Multiple FrmaeBuffer Descriptor; the change apparently lines
- * up with multi-framebuffer support being added (T7xx onwards,
- * including Gxx). In any event, there's some field shuffling
- * that we haven't looked into yet. */
-
- pandecode_sfbd(s->framebuffer & FBD_MASK, job_no, true);
- fbd_dumped = true;
- } else if ((s->framebuffer & FBD_TYPE) == MALI_MFBD) {
- /* We don't know if Bifrost supports SFBD's at all, since the
- * driver never uses them. And the format is different from
- * Midgard anyways, due to the tiler heap and scratchpad being
- * moved out into separate structures, so it's not clear what a
- * Bifrost SFBD would even look like without getting an actual
- * trace, which appears impossible.
- */
+ bool is_mfbd = (s->framebuffer & FBD_TYPE) == MALI_MFBD;
+
+ /* Bifrost theoretically may retain support for SFBD on compute jobs,
+ * but for graphics workloads with a FRAGMENT payload, use MFBD */
- pandecode_mfbd_bfr(s->framebuffer & FBD_MASK, job_no, true);
- fbd_dumped = true;
+ if (!is_mfbd && is_bifrost)
+ pandecode_msg("XXX: Bifrost fragment must use MFBD\n");
+
+ struct pandecode_fbd info;
+
+ if (is_mfbd)
+ info = pandecode_mfbd_bfr(s->framebuffer & FBD_MASK, job_no, true);
+ else
+ info = pandecode_sfbd(s->framebuffer & FBD_MASK, job_no, true);
+
+ /* Compute the tag for the tagged pointer. This contains the type of
+ * FBD (MFBD/SFBD), and in the case of an MFBD, information about which
+ * additional structures follow the MFBD header (an extra payload or
+ * not, as well as a count of render targets) */
+
+ unsigned expected_tag = is_mfbd ? MALI_MFBD : MALI_SFBD;
+
+ if (is_mfbd) {
+ if (info.has_extra)
+ expected_tag |= MALI_MFBD_TAG_EXTRA;
+
+ expected_tag |= (MALI_POSITIVE(info.rt_count) << 2);
}
- uintptr_t p = (uintptr_t) s->framebuffer & FBD_MASK;
- pandecode_log("struct mali_payload_fragment payload_%"PRIx64"_%d = {\n", payload, job_no);
- pandecode_indent++;
+ if ((s->min_tile_coord | s->max_tile_coord) & ~(MALI_X_COORD_MASK | MALI_Y_COORD_MASK)) {
+ pandecode_msg("XXX: unexpected tile coordinate bits\n");
+ pandecode_prop("min_tile_coord = 0x%X\n", s->min_tile_coord);
+ pandecode_prop("max_tile_coord = 0x%X\n", s->min_tile_coord);
+ }
- /* See the comments by the macro definitions for mathematical context
- * on why this is so weird */
+ /* Extract tile coordinates */
- if (MALI_TILE_COORD_FLAGS(s->max_tile_coord) || MALI_TILE_COORD_FLAGS(s->min_tile_coord))
- pandecode_msg("Tile coordinate flag missed, replay wrong\n");
+ unsigned min_x = MALI_TILE_COORD_X(s->min_tile_coord) << MALI_TILE_SHIFT;
+ unsigned min_y = MALI_TILE_COORD_Y(s->min_tile_coord) << MALI_TILE_SHIFT;
- pandecode_prop("min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(%d, %d)",
- MALI_TILE_COORD_X(s->min_tile_coord) << MALI_TILE_SHIFT,
- MALI_TILE_COORD_Y(s->min_tile_coord) << MALI_TILE_SHIFT);
+ unsigned max_x = (MALI_TILE_COORD_X(s->max_tile_coord) + 1) << MALI_TILE_SHIFT;
+ unsigned max_y = (MALI_TILE_COORD_Y(s->max_tile_coord) + 1) << MALI_TILE_SHIFT;
- pandecode_prop("max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(%d, %d)",
- (MALI_TILE_COORD_X(s->max_tile_coord) + 1) << MALI_TILE_SHIFT,
- (MALI_TILE_COORD_Y(s->max_tile_coord) + 1) << MALI_TILE_SHIFT);
+ /* For the max, we also want the floored (rather than ceiled) version for checking */
- /* If the FBD was just decoded, we can refer to it by pointer. If not,
- * we have to fallback on offsets. */
+ unsigned max_x_f = (MALI_TILE_COORD_X(s->max_tile_coord)) << MALI_TILE_SHIFT;
+ unsigned max_y_f = (MALI_TILE_COORD_Y(s->max_tile_coord)) << MALI_TILE_SHIFT;
- const char *fbd_type = s->framebuffer & MALI_MFBD ? "MALI_MFBD" : "MALI_SFBD";
+ /* Validate the coordinates are well-ordered */
- /* TODO: Decode */
- unsigned extra_flags = (s->framebuffer & ~FBD_MASK) & ~MALI_MFBD;
+ if (min_x == max_x)
+ pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x, max_x);
+ else if (min_x > max_x)
+ pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x, max_x);
- if (fbd_dumped)
- pandecode_prop("framebuffer = framebuffer_%d_p | %s | 0x%X", job_no,
- fbd_type, extra_flags);
- else
- pandecode_prop("framebuffer = %s | %s | 0x%X", pointer_as_memory_reference(p),
- fbd_type, extra_flags);
+ if (min_y == max_y)
+ pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x, max_x);
+ else if (min_y > max_y)
+ pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x, max_x);
- pandecode_indent--;
- pandecode_log("};\n");
+ /* Validate the coordinates fit inside the framebuffer. We use floor,
+ * rather than ceil, for the max coordinates, since the tile
+ * coordinates for something like an 800x600 framebuffer will actually
+ * resolve to 800x608, which would otherwise trigger a Y-overflow */
+
+ if ((min_x > info.width) || (max_x_f > info.width))
+ pandecode_msg("XXX: tile coordinates overflow in X direction\n");
+
+ if ((min_y > info.height) || (max_y_f > info.height))
+ pandecode_msg("XXX: tile coordinates overflow in Y direction\n");
+
+ /* After validation, we print */
+
+ pandecode_log("fragment (%u, %u) ... (%u, %u)\n\n", min_x, min_y, max_x, max_y);
+
+ /* The FBD is a tagged pointer */
+
+ unsigned tag = (s->framebuffer & ~FBD_MASK);
+
+ if (tag != expected_tag)
+ pandecode_msg("XXX: expected FBD tag %X but got %X\n", expected_tag, tag);
return sizeof(*s);
}
h->job_type != JOB_TYPE_FRAGMENT ? 4 : 0;
mali_ptr payload_ptr = jc_gpu_va + sizeof(*h) - offset;
- payload = pandecode_fetch_gpu_mem(mem, payload_ptr,
- MALI_PAYLOAD_SIZE);
+ payload = pandecode_fetch_gpu_mem(mem, payload_ptr, 256);
int job_no = job_descriptor_number++;
projects / mesa.git / blobdiff