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Code Issues 9 Packages Projects Releases Wiki Activity

agx: Implement fragment_out 

For a single colour render target.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10582>
This commit is contained in:
Alyssa Rosenzweig 2021-04-11 15:19:49 -04:00 committed by Alyssa Rosenzweig
parent 0079783428
commit 8af9822d14
1 changed files with 18 additions and 1 deletions
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19
src/asahi/compiler/agx_compile.c
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@ -94,7 +94,24 @@ agx_emit_store_vary(agx_builder *b, nir_intrinsic_instr *instr)
static void
agx_emit_fragment_out(agx_builder *b, nir_intrinsic_instr *instr)
{
unreachable("stub");
const nir_variable *var =
nir_find_variable_with_driver_location(b->shader->nir,
nir_var_shader_out, nir_intrinsic_base(instr));
assert(var);
unsigned loc = var->data.location;
assert(var->data.index == 0 && "todo: dual-source blending");
assert((loc == FRAG_RESULT_COLOR || loc == FRAG_RESULT_DATA0) && "todo: MRT");
unsigned rt = (loc == FRAG_RESULT_COLOR) ? 0 :
(loc - FRAG_RESULT_DATA0);
/* TODO: Reverse-engineer interactions with MRT */
agx_writeout(b, 0xC200);
agx_writeout(b, 0x000C);
/* Emit the blend op itself */
agx_blend(b, agx_src_index(&instr->src[0]),
b->shader->key->fs.tib_formats[rt]);
}
static void