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Code Issues 9 Packages Projects Releases Wiki Activity

asahi: Pass through "reads tilebuffer?" bit 

To be determined if there's more to this, but it's the only bit I see
varying with Metal when blending is enabled.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10720>
This commit is contained in:
Alyssa Rosenzweig 2021-05-09 21:04:38 -04:00
parent e2332dea05
commit dd64463d5f
2 changed files with 10 additions and 3 deletions
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3
src/asahi/compiler/agx_compile.h
View File

@ -80,6 +80,9 @@ struct agx_push {
struct agx_shader_info {
unsigned push_ranges;
struct agx_push push[AGX_MAX_PUSH_RANGES];
/* Does the shader read the tilebuffer? */
bool reads_tib;
};
#define AGX_MAX_RTS (8)

10
src/gallium/drivers/asahi/agx_state.c
View File

@ -1034,16 +1034,18 @@ demo_rasterizer(struct agx_context *ctx, struct agx_pool *pool)
}
static uint64_t
demo_unk11(struct agx_pool *pool, bool prim_lines)
demo_unk11(struct agx_pool *pool, bool prim_lines, bool reads_tib)
{
#define UNK11_FILL_MODE_LINES_1 (1 << 26)
#define UNK11_FILL_MODE_LINES_2 (0x5004 << 16)
#define UNK11_LINES (0x10000000)
#define UNK11_READS_TIB (0x20000000)
uint32_t unk[] = {
0x200004a,
0x200 | (prim_lines ? UNK11_FILL_MODE_LINES_1 : 0),
0x200 | (prim_lines ? UNK11_FILL_MODE_LINES_1 : 0) | (reads_tib ? UNK11_READS_TIB : 0),
0x7e00000 | (prim_lines ? UNK11_LINES : 0),
0x7e00000 | (prim_lines ? UNK11_LINES : 0),
@ -1105,12 +1107,14 @@ agx_encode_state(struct agx_context *ctx, uint8_t *out,
struct agx_ptr zero = agx_pool_alloc_aligned(pool, 16, 256);
memset(zero.cpu, 0, 16);
bool reads_tib = ctx->fs->info.reads_tib;
agx_push_record(&out, 0, zero.gpu);
agx_push_record(&out, 5, demo_unk8(ctx->fs, pool));
agx_push_record(&out, 5, demo_launch_fragment(pool, pipeline_fragment, varyings, ctx->fs->varying_count + 1));
agx_push_record(&out, 4, demo_linkage(ctx->vs, pool));
agx_push_record(&out, 7, demo_rasterizer(ctx, pool));
agx_push_record(&out, 5, demo_unk11(pool, is_lines));
agx_push_record(&out, 5, demo_unk11(pool, is_lines, reads_tib));
agx_push_record(&out, 10, agx_pool_upload(pool, ctx->viewport, sizeof(ctx->viewport)));
agx_push_record(&out, 3, demo_unk12(pool));
agx_push_record(&out, 2, agx_pool_upload(pool, ctx->rast->cull, sizeof(ctx->rast->cull)));