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panfrost/decode: Add flags for tilebuffer readback 

These flags are set when reading back the tilebuffer from a fragment
shader via various mechanisms (including ARM_shader_framebuffer_fetch
and EXT_pixel_local_storage).

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2019-04-05 01:17:21 +00:00
parent 1aabb79bdc
commit 7cccc89f80
2 changed files with 21 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/gallium/drivers/panfrost/include/panfrost-job.h
View File

@ -408,6 +408,13 @@ enum mali_format {
/* Applies to unknown1 */
#define MALI_NO_ALPHA_TO_COVERAGE (1 << 10)
/* Flags denoting the fragment shader's use of tilebuffer readback. If the
* shader might read any part of the tilebuffer, set MALI_READS_TILEBUFFER. If
* it might read depth/stencil in particular, also set MALI_READS_ZS */
#define MALI_READS_ZS (1 << 12)
#define MALI_READS_TILEBUFFER (1 << 16)
struct mali_blend_meta {
#ifndef BIFROST
/* Base value of 0x200.

17
src/gallium/drivers/panfrost/pandecode/decode.c
View File

@ -218,6 +218,15 @@ static const struct pandecode_flag_info mfbd_extra_flag_info[] = {
};
#undef FLAG_INFO
#define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
static const struct pandecode_flag_info shader_unknown1_flag_info [] = {
FLAG_INFO(NO_ALPHA_TO_COVERAGE),
FLAG_INFO(READS_TILEBUFFER),
FLAG_INFO(READS_ZS),
{}
};
#undef FLAG_INFO
extern char *replace_fragment;
extern char *replace_vertex;
@ -1163,9 +1172,11 @@ pandecode_replay_vertex_tiler_postfix_pre(const struct mali_vertex_tiler_postfix
pandecode_prop("uniform_count = %" PRId16, s->midgard1.uniform_count);
pandecode_prop("work_count = %" PRId16, s->midgard1.work_count);
pandecode_prop("unknown1 = %s0x%" PRIx32,
s->midgard1.unknown1 & MALI_NO_ALPHA_TO_COVERAGE ? "MALI_NO_ALPHA_TO_COVERAGE | " : "",
s->midgard1.unknown1 & ~MALI_NO_ALPHA_TO_COVERAGE);
pandecode_log(".unknown1 = ");
pandecode_log_decoded_flags(shader_unknown1_flag_info, s->midgard1.unknown1);
pandecode_log_cont(",\n");
pandecode_prop("unknown2 = 0x%" PRIx32, s->midgard1.unknown2);
pandecode_indent--;