#include <memory.h>
#include <stdbool.h>
#include <stdarg.h>
+#include <ctype.h>
#include "decode.h"
#include "util/macros.h"
#include "util/u_math.h"
#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
-#define DEFINE_CASE(name) case MALI_CHANNEL_## name: return "MALI_CHANNEL_" #name
-static char *
-pandecode_channel(enum mali_channel channel)
-{
- switch (channel) {
- DEFINE_CASE(RED);
- DEFINE_CASE(GREEN);
- DEFINE_CASE(BLUE);
- DEFINE_CASE(ALPHA);
- DEFINE_CASE(ZERO);
- DEFINE_CASE(ONE);
-
- default:
- pandecode_msg("XXX: invalid channel %X\n", channel);
- return "";
- }
-}
-#undef DEFINE_CASE
-
#define DEFINE_CASE(name) case MALI_WRAP_## name: return "MALI_WRAP_" #name
static char *
pandecode_wrap_mode(enum mali_wrap_mode op)
}
#undef DEFINE_CASE
-#define DEFINE_CASE(name) case MALI_TEX_## name: return "MALI_TEX_" #name
-static char *
-pandecode_texture_type(enum mali_texture_type type)
-{
- switch (type) {
- DEFINE_CASE(1D);
- DEFINE_CASE(2D);
- DEFINE_CASE(3D);
- DEFINE_CASE(CUBE);
-
- default:
- unreachable("Unknown case");
- }
-}
-#undef DEFINE_CASE
-
#define DEFINE_CASE(name) case MALI_MFBD_BLOCK_## name: return "MALI_MFBD_BLOCK_" #name
static char *
pandecode_mfbd_block_format(enum mali_mfbd_block_format fmt)
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;
+
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;
+ info.rt_count = 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
printf("},\n");
}
+/* Extracts the number of components associated with a Mali format */
+
+static unsigned
+pandecode_format_component_count(enum mali_format fmt)
+{
+ /* Mask out the format class */
+ unsigned top = fmt & 0b11100000;
+
+ switch (top) {
+ case MALI_FORMAT_SNORM:
+ case MALI_FORMAT_UINT:
+ case MALI_FORMAT_UNORM:
+ case MALI_FORMAT_SINT:
+ return ((fmt >> 3) & 3) + 1;
+ default:
+ /* TODO: Validate */
+ return 4;
+ }
+}
+
+/* Extracts a mask of accessed components from a 12-bit Mali swizzle */
+
+static unsigned
+pandecode_access_mask_from_channel_swizzle(unsigned swizzle)
+{
+ unsigned mask = 0;
+ assert(MALI_CHANNEL_RED == 0);
+
+ for (unsigned c = 0; c < 4; ++c) {
+ enum mali_channel chan = (swizzle >> (3*c)) & 0x7;
+
+ if (chan <= MALI_CHANNEL_ALPHA)
+ mask |= (1 << chan);
+ }
+
+ return mask;
+}
+
+/* Validates that a (format, swizzle) pair is valid, in the sense that the
+ * swizzle doesn't access any components that are undefined in the format.
+ * Returns whether the swizzle is trivial (doesn't do any swizzling) and can be
+ * omitted */
+
+static bool
+pandecode_validate_format_swizzle(enum mali_format fmt, unsigned swizzle)
+{
+ unsigned nr_comp = pandecode_format_component_count(fmt);
+ unsigned access_mask = pandecode_access_mask_from_channel_swizzle(swizzle);
+ unsigned valid_mask = (1 << nr_comp) - 1;
+ unsigned invalid_mask = ~valid_mask;
+
+ if (access_mask & invalid_mask) {
+ pandecode_msg("XXX: invalid components accessed\n");
+ return false;
+ }
+
+ /* Check for the default non-swizzling swizzle so we can suppress
+ * useless printing for the defaults */
+
+ unsigned default_swizzles[4] = {
+ MALI_CHANNEL_RED | (MALI_CHANNEL_ZERO << 3) | (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9),
+ MALI_CHANNEL_RED | (MALI_CHANNEL_GREEN << 3) | (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9),
+ MALI_CHANNEL_RED | (MALI_CHANNEL_GREEN << 3) | (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ONE << 9),
+ MALI_CHANNEL_RED | (MALI_CHANNEL_GREEN << 3) | (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ALPHA << 9)
+ };
+
+ return (swizzle == default_swizzles[nr_comp - 1]);
+}
+
+/* Maps MALI_RGBA32F to rgba32f, etc */
+
+static void
+pandecode_format_short(enum mali_format fmt, bool srgb)
+{
+ /* We want a type-like format, so cut off the initial MALI_ */
+ char *format = pandecode_format(fmt);
+ format += strlen("MALI_");
+
+ unsigned len = strlen(format);
+ char *lower_format = calloc(1, len + 1);
+
+ for (unsigned i = 0; i < len; ++i)
+ lower_format[i] = tolower(format[i]);
+
+ /* Sanity check sRGB flag is applied to RGB, per the name */
+ if (srgb && lower_format[0] != 'r')
+ pandecode_msg("XXX: sRGB applied to non-colour format\n");
+
+ /* Just prefix with an s, so you get formats like srgba8_unorm */
+ if (srgb)
+ pandecode_log_cont("s");
+
+ pandecode_log_cont("%s", lower_format);
+ free(lower_format);
+}
+
static void
-pandecode_swizzle(unsigned swizzle)
+pandecode_swizzle(unsigned swizzle, enum mali_format format)
{
- pandecode_prop("swizzle = %s | (%s << 3) | (%s << 6) | (%s << 9)",
- pandecode_channel((swizzle >> 0) & 0x7),
- pandecode_channel((swizzle >> 3) & 0x7),
- pandecode_channel((swizzle >> 6) & 0x7),
- pandecode_channel((swizzle >> 9) & 0x7));
+ /* First, do some validation */
+ bool trivial_swizzle = pandecode_validate_format_swizzle(
+ format, swizzle);
+
+ if (trivial_swizzle)
+ return;
+
+ /* Next, print the swizzle */
+ pandecode_log_cont(".");
+
+ static const char components[] = "rgba01";
+
+ for (unsigned c = 0; c < 4; ++c) {
+ enum mali_channel chan = (swizzle >> (3 * c)) & 0x7;
+
+ if (chan >= MALI_CHANNEL_RESERVED_0) {
+ pandecode_log("XXX: invalid swizzle channel %d\n", chan);
+ continue;
+ }
+ pandecode_log_cont("%c", components[chan]);
+ }
}
static void
pandecode_prop("block = %s",
pandecode_mfbd_block_format(format.block));
+ /* TODO: Map formats so we can check swizzles and print nicely */
+ pandecode_log("swizzle");
+ pandecode_swizzle(format.swizzle, MALI_RGBA8_UNORM);
+ pandecode_log_cont(",\n");
+
pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
MALI_NEGATIVE(format.nr_channels));
pandecode_log_decoded_flags(mfbd_fmt_flag_info, format.flags);
pandecode_log_cont(",\n");
- pandecode_swizzle(format.swizzle);
-
/* In theory, the no_preload bit can be cleared to enable MFBD preload,
* which is a faster hardware-based alternative to the wallpaper method
* to preserve framebuffer contents across frames. In practice, MFBD
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
mali_ptr addr, int job_no, char *suffix,
int count, bool varying)
{
- char *prefix = varying ? "varyings" : "attributes";
+ char *prefix = varying ? "varying" : "attribute";
if (!addr) {
pandecode_msg("no %s\n", prefix);
union mali_attr *attr = pandecode_fetch_gpu_mem(mem, addr, sizeof(union mali_attr) * count);
- char base[128];
- snprintf(base, sizeof(base), "%s_data_%d%s", prefix, job_no, suffix);
-
for (int i = 0; i < count; ++i) {
enum mali_attr_mode mode = attr[i].elements & 7;
if (mode == MALI_ATTR_UNUSED)
- continue;
+ pandecode_msg("XXX: unused attribute record\n");
- mali_ptr raw_elements = attr[i].elements & ~7;
+ /* 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);
- /* TODO: Do we maybe want to dump the attribute values
- * themselves given the specified format? Or is that too hard?
- * */
+ /* Print the stride and size */
+ pandecode_log_cont("<%u>[%u]", attr[i].stride, attr[i].size);
+ /* Check: the size must be divisible by the stride */
+ if (attr[i].size % attr[i].stride)
+ pandecode_msg("XXX: size not divisible by stride\n");
+
+ /* TODO: Sanity check the quotient itself -- it should equal
+ * vertex count (or something computed from it for instanced)
+ * which means we can check and elide */
+
+ /* Finally, print the pointer */
+ mali_ptr raw_elements = attr[i].elements & ~7;
char *a = pointer_as_memory_reference(raw_elements);
- pandecode_log("mali_ptr %s_%d_p = %s;\n", base, i, a);
+ pandecode_log_cont(" = (%s);\n", a);
free(a);
- }
- pandecode_log("union mali_attr %s_%d[] = {\n", prefix, job_no);
- pandecode_indent++;
+ /* Check the pointer */
+ pandecode_validate_buffer(raw_elements, attr[i].size);
- for (int i = 0; i < count; ++i) {
- pandecode_log("{\n");
- pandecode_indent++;
+ /* shift/extra_flags exist only for instanced */
+ if (attr[i].shift | attr[i].extra_flags) {
+ if (mode == MALI_ATTR_LINEAR)
+ pandecode_msg("XXX: instancing fields set for linear\n");
- unsigned mode = attr[i].elements & 7;
- pandecode_prop("elements = (%s_%d_p) | %s", base, i, pandecode_attr_mode(mode));
- 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);
+ 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");
* want to validate that the combinations specified are self-consistent.
*/
-/* Extracts the number of components associated with a Mali format */
-
-static unsigned
-pandecode_format_component_count(enum mali_format fmt)
-{
- /* Mask out the format class */
- unsigned top = fmt & 0b11100000;
-
- switch (top) {
- case MALI_FORMAT_SNORM:
- case MALI_FORMAT_UINT:
- case MALI_FORMAT_UNORM:
- case MALI_FORMAT_SINT:
- return ((fmt >> 3) & 3) + 1;
- default:
- /* TODO: Validate */
- return 4;
- }
-}
-
-/* Extracts a mask of accessed components from a 12-bit Mali swizzle */
-
-static unsigned
-pandecode_access_mask_from_channel_swizzle(unsigned swizzle)
-{
- unsigned mask = 0;
- assert(MALI_CHANNEL_RED == 0);
-
- for (unsigned c = 0; c < 4; ++c) {
- enum mali_channel chan = (swizzle >> (3*c)) & 0x7;
-
- if (chan <= MALI_CHANNEL_ALPHA)
- mask |= (1 << chan);
- }
-
- return mask;
-}
-
-/* Validates that a (format, swizzle) pair is valid, in the sense that the
- * swizzle doesn't access any components that are undefined in the format.
- * Returns whether the swizzle is trivial (doesn't do any swizzling) and can be
- * omitted */
-
-static bool
-pandecode_validate_format_swizzle(enum mali_format fmt, unsigned swizzle)
-{
- unsigned nr_comp = pandecode_format_component_count(fmt);
- unsigned access_mask = pandecode_access_mask_from_channel_swizzle(swizzle);
- unsigned valid_mask = (1 << nr_comp) - 1;
- unsigned invalid_mask = ~valid_mask;
-
- if (access_mask & invalid_mask) {
- pandecode_msg("XXX: invalid components accessed\n");
- return false;
- }
-
- /* TODO: Trivial swizzle check */
- return false;
-}
-
static int
pandecode_attribute_meta(int job_no, int count, const struct mali_vertex_tiler_postfix *v, bool varying, char *suffix)
{
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;
}
}
- pandecode_log("{\n");
- pandecode_indent++;
- pandecode_prop("index = %d", attr_meta->index);
-
if (attr_meta->index > max_index)
max_index = attr_meta->index;
- /* Check the swizzle/format, and if they match and the swizzle
- * is simple enough, we can avoid printing the swizzle since
- * it's just noise */
-
- bool trivial_swizzle = pandecode_validate_format_swizzle(
- attr_meta->format, attr_meta->swizzle);
-
- if (!trivial_swizzle)
- pandecode_swizzle(attr_meta->swizzle);
-
- pandecode_prop("format = %s", pandecode_format(attr_meta->format));
-
if (attr_meta->unknown1 != 0x2) {
pandecode_msg("XXX: expected unknown1 = 0x2\n");
pandecode_prop("unknown1 = 0x%" PRIx64, (u64) attr_meta->unknown1);
pandecode_prop("unknown3 = 0x%" PRIx64, (u64) attr_meta->unknown3);
}
- pandecode_prop("src_offset = %d", attr_meta->src_offset);
- pandecode_indent--;
- pandecode_log("},\n");
+ pandecode_format_short(attr_meta->format, false);
+ pandecode_log_cont(" %s_%u", prefix, attr_meta->index);
+ if (attr_meta->src_offset)
+ pandecode_log_cont("[%u]", attr_meta->src_offset);
+
+ pandecode_swizzle(attr_meta->swizzle, attr_meta->format);
+
+ pandecode_log_cont(";\n");
}
- pandecode_indent--;
- pandecode_log("};\n");
+ pandecode_log("\n");
return count ? (max_index + 1) : 0;
}
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
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)
{
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 = -1;
+ stats.sampler_count = -1;
+ stats.attribute_count = -1;
+ stats.varying_count = -1;
+ stats.uniform_count = -1;
+ stats.uniform_buffer_count = -1;
+ stats.work_count = -1;
+
+ stats.instruction_count = 0;
+ stats.bundle_count = 0;
+ stats.quadword_count = 0;
} else {
- disassemble_midgard(code, sz, true, nr_regs, prefix);
+ stats = disassemble_midgard(code, sz);
+ stats.work_count = nr_regs;
}
- 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_vertex_tiler_postfix_pre(const struct mali_vertex_tiler_postfix *p,
+pandecode_texture(mali_ptr u,
+ struct pandecode_mapped_memory *tmem,
+ unsigned job_no, unsigned tex)
+{
+ struct mali_texture_descriptor *PANDECODE_PTR_VAR(t, tmem, u);
+
+ pandecode_log("struct mali_texture_descriptor texture_descriptor_%"PRIx64"_%d_%d = {\n", u, job_no, tex);
+ pandecode_indent++;
+
+ struct mali_texture_format f = t->format;
+
+ /* See the definiton of enum mali_texture_type */
+
+ bool is_cube = f.type == MALI_TEX_CUBE;
+ unsigned dimension = is_cube ? 2 : f.type;
+
+ pandecode_make_indent();
+
+ /* TODO: Are there others? */
+ bool is_zs = f.format == MALI_Z32_UNORM;
+
+ /* Recall Z/S switched the meaning of linear/tiled .. */
+ if (is_zs && f.layout == MALI_TEXTURE_LINEAR)
+ pandecode_msg("XXX: depth/stencil cannot be tiled\n");
+
+ /* Print the layout. Default is linear; a modifier can denote AFBC or
+ * u-interleaved/tiled modes */
+
+ if (f.layout == MALI_TEXTURE_AFBC)
+ pandecode_log_cont("afbc");
+ else if (f.layout == MALI_TEXTURE_TILED)
+ pandecode_log_cont(is_zs ? "linear" : "tiled");
+ else if (f.layout == MALI_TEXTURE_LINEAR)
+ pandecode_log_cont("linear");
+ else
+ pandecode_msg("XXX: invalid texture layout 0x%X\n", f.layout);
+
+ pandecode_swizzle(t->swizzle, f.format);
+ pandecode_log_cont(" ");
+
+ /* Distinguish cube/2D with modifier */
+
+ if (is_cube)
+ pandecode_log_cont("cube ");
+
+ pandecode_format_short(f.format, f.srgb);
+ pandecode_swizzle(f.swizzle, f.format);
+
+ /* All four width/height/depth/array_size dimensions are present
+ * regardless of the type of texture, but it is an error to have
+ * non-zero dimensions for unused dimensions. Verify this. array_size
+ * can always be set, as can width. */
+
+ if (t->height && dimension < 2)
+ pandecode_msg("XXX: nonzero height for <2D texture\n");
+
+ if (t->depth && dimension < 3)
+ pandecode_msg("XXX: nonzero depth for <2D texture\n");
+
+ /* Print only the dimensions that are actually there */
+
+ pandecode_log_cont(": %d", t->width + 1);
+
+ if (dimension >= 2)
+ pandecode_log_cont("x%u", t->height + 1);
+
+ if (dimension >= 3)
+ pandecode_log_cont("x%u", t->depth + 1);
+
+ if (t->array_size)
+ pandecode_log_cont("[%u]", t->array_size + 1);
+
+ if (t->levels)
+ pandecode_log_cont(" mip %u", t->levels);
+
+ pandecode_log_cont("\n");
+
+ if (f.unknown1 | f.zero) {
+ pandecode_msg("XXX: texture format zero tripped\n");
+ pandecode_prop("unknown1 = %" PRId32, f.unknown1);
+ pandecode_prop("zero = %" PRId32, f.zero);
+ }
+
+ if (!f.unknown2) {
+ pandecode_msg("XXX: expected unknown texture bit set\n");
+ pandecode_prop("unknown2 = %" PRId32, f.unknown1);
+ }
+
+ if (t->swizzle_zero) {
+ pandecode_msg("XXX: swizzle zero tripped\n");
+ pandecode_prop("swizzle_zero = %d", t->swizzle_zero);
+ }
+
+ if (t->unknown3 | t->unknown3A | t->unknown5 | t->unknown6 | t->unknown7) {
+ pandecode_msg("XXX: texture zero tripped\n");
+ pandecode_prop("unknown3 = %" PRId16, t->unknown3);
+ pandecode_prop("unknown3A = %" PRId8, t->unknown3A);
+ pandecode_prop("unknown5 = 0x%" PRIx32, t->unknown5);
+ pandecode_prop("unknown6 = 0x%" PRIx32, t->unknown6);
+ pandecode_prop("unknown7 = 0x%" PRIx32, t->unknown7);
+ }
+
+ pandecode_log(".payload = {\n");
+ pandecode_indent++;
+
+ /* A bunch of bitmap pointers follow.
+ * We work out the correct number,
+ * based on the mipmap/cubemap
+ * properties, but dump extra
+ * possibilities to futureproof */
+
+ int bitmap_count = MALI_NEGATIVE(t->levels);
+
+ /* Miptree for each face */
+ if (f.type == MALI_TEX_CUBE)
+ bitmap_count *= 6;
+
+ /* Array of textures */
+ bitmap_count *= MALI_NEGATIVE(t->array_size);
+
+ /* Stride for each element */
+ if (f.manual_stride)
+ bitmap_count *= 2;
+
+ /* Sanity check the size */
+ int max_count = sizeof(t->payload) / sizeof(t->payload[0]);
+ assert (bitmap_count <= max_count);
+
+ for (int i = 0; i < bitmap_count; ++i) {
+ /* How we dump depends if this is a stride or a pointer */
+
+ if (f.manual_stride && (i & 1)) {
+ /* signed 32-bit snuck in as a 64-bit pointer */
+ uint64_t stride_set = t->payload[i];
+ uint32_t clamped_stride = stride_set;
+ int32_t stride = clamped_stride;
+ assert(stride_set == clamped_stride);
+ pandecode_log("(mali_ptr) %d /* stride */, \n", stride);
+ } else {
+ char *a = pointer_as_memory_reference(t->payload[i]);
+ pandecode_log("%s, \n", a);
+ free(a);
+ }
+ }
+
+ pandecode_indent--;
+ pandecode_log("},\n");
+
+ pandecode_indent--;
+ pandecode_log("};\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 (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)
pandecode_log("};\n");
/* Now, finally, descend down into the texture descriptor */
- for (int tex = 0; tex < texture_count; ++tex) {
+ for (unsigned tex = 0; tex < texture_count; ++tex) {
mali_ptr *PANDECODE_PTR_VAR(u, mmem, p->texture_trampoline + tex * sizeof(mali_ptr));
struct pandecode_mapped_memory *tmem = pandecode_find_mapped_gpu_mem_containing(*u);
-
- if (tmem) {
- struct mali_texture_descriptor *PANDECODE_PTR_VAR(t, tmem, *u);
-
- pandecode_log("struct mali_texture_descriptor texture_descriptor_%"PRIx64"_%d_%d = {\n", *u, job_no, tex);
- pandecode_indent++;
-
- pandecode_prop("width = MALI_POSITIVE(%" PRId16 ")", t->width + 1);
- pandecode_prop("height = MALI_POSITIVE(%" PRId16 ")", t->height + 1);
- pandecode_prop("depth = MALI_POSITIVE(%" PRId16 ")", t->depth + 1);
- pandecode_prop("array_size = MALI_POSITIVE(%" PRId16 ")", t->array_size + 1);
- pandecode_prop("unknown3 = %" PRId16, t->unknown3);
- pandecode_prop("unknown3A = %" PRId8, t->unknown3A);
- pandecode_prop("nr_mipmap_levels = %" PRId8, t->nr_mipmap_levels);
-
- struct mali_texture_format f = t->format;
-
- pandecode_log(".format = {\n");
- pandecode_indent++;
-
- pandecode_swizzle(f.swizzle);
- pandecode_prop("format = %s", pandecode_format(f.format));
- pandecode_prop("type = %s", pandecode_texture_type(f.type));
- pandecode_prop("srgb = %" PRId32, f.srgb);
- pandecode_prop("unknown1 = %" PRId32, f.unknown1);
- pandecode_prop("usage2 = 0x%" PRIx32, f.usage2);
-
- pandecode_indent--;
- pandecode_log("},\n");
-
- pandecode_swizzle(t->swizzle);
-
- if (t->swizzle_zero) {
- /* Shouldn't happen */
- pandecode_msg("XXX: swizzle zero tripped\n");
- pandecode_prop("swizzle_zero = %d", t->swizzle_zero);
- }
-
- pandecode_prop("unknown3 = 0x%" PRIx32, t->unknown3);
-
- pandecode_prop("unknown5 = 0x%" PRIx32, t->unknown5);
- pandecode_prop("unknown6 = 0x%" PRIx32, t->unknown6);
- pandecode_prop("unknown7 = 0x%" PRIx32, t->unknown7);
-
- pandecode_log(".payload = {\n");
- pandecode_indent++;
-
- /* A bunch of bitmap pointers follow.
- * We work out the correct number,
- * based on the mipmap/cubemap
- * properties, but dump extra
- * possibilities to futureproof */
-
- int bitmap_count = MALI_NEGATIVE(t->nr_mipmap_levels);
- bool manual_stride = f.usage2 & MALI_TEX_MANUAL_STRIDE;
-
- /* Miptree for each face */
- if (f.type == MALI_TEX_CUBE)
- bitmap_count *= 6;
-
- /* Array of textures */
- bitmap_count *= MALI_NEGATIVE(t->array_size);
-
- /* Stride for each element */
- if (manual_stride)
- bitmap_count *= 2;
-
- /* Sanity check the size */
- int max_count = sizeof(t->payload) / sizeof(t->payload[0]);
- assert (bitmap_count <= max_count);
-
- for (int i = 0; i < bitmap_count; ++i) {
- /* How we dump depends if this is a stride or a pointer */
-
- if ((f.usage2 & MALI_TEX_MANUAL_STRIDE) && (i & 1)) {
- /* signed 32-bit snuck in as a 64-bit pointer */
- uint64_t stride_set = t->payload[i];
- uint32_t clamped_stride = stride_set;
- int32_t stride = clamped_stride;
- assert(stride_set == clamped_stride);
- pandecode_log("(mali_ptr) %d /* stride */, \n", stride);
- } else {
- char *a = pointer_as_memory_reference(t->payload[i]);
- pandecode_log("%s, \n", a);
- free(a);
- }
- }
-
- pandecode_indent--;
- pandecode_log("},\n");
-
- pandecode_indent--;
- pandecode_log("};\n");
- }
+ if (tmem)
+ pandecode_texture(*u, tmem, job_no, tex);
}
}
}
{
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 */
+
+ if (!is_mfbd && is_bifrost)
+ pandecode_msg("XXX: Bifrost fragment must use MFBD\n");
- pandecode_mfbd_bfr(s->framebuffer & FBD_MASK, job_no, true);
- fbd_dumped = true;
+ 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);
}