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pvr: dynamic depth bias support

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Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36412>
This commit is contained in:
Simon Perretta 2025-04-06 03:00:57 +01:00 • committed by Marge Bot
parent 22c67a3c4e
commit 66d5815919
4 changed files with 24 additions and 0 deletions
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5
src/imagination/vulkan/pds/pvr_pds.c
View file

@ -4156,6 +4156,11 @@ uint32_t *pvr_pds_coefficient_loading(
else
program->dout_src_offsets[iterator] = ~0u;
if (program->z_iterator == ~0u)
program->dout_z_iterator_offset = ~0u;
else if (program->z_iterator == iterator)
program->dout_z_iterator_offset = constant;
/* Write the first iterator. */
iterator_word =
(uint64_t)program->FPU_iterators[iterator]

3
src/imagination/vulkan/pds/pvr_pds.h
View file

@ -272,6 +272,9 @@ struct pvr_pds_coeff_loading_program {
BITSET_DECLARE(flat_iter_mask, PVR_MAXIMUM_ITERATIONS);
uint32_t dout_src_offsets[PVR_MAXIMUM_ITERATIONS];
uint32_t z_iterator;
uint32_t dout_z_iterator_offset;
uint32_t data_size;
uint32_t code_size;

13
src/imagination/vulkan/pvr_cmd_buffer.c
View file

@ -5132,6 +5132,19 @@ setup_pds_coeff_program(struct pvr_cmd_buffer *const cmd_buffer,
&douti_src);
}
if (program->dout_z_iterator_offset != ~0u) {
struct ROGUE_PDSINST_DOUT_FIELDS_DOUTI_SRC douti_src;
ROGUE_PDSINST_DOUT_FIELDS_DOUTI_SRC_unpack(
&pds_coeff_program_buffer[program->dout_z_iterator_offset],
&douti_src);
douti_src.depthbias = dynamic_state->rs.depth_bias.enable;
ROGUE_PDSINST_DOUT_FIELDS_DOUTI_SRC_pack(
&pds_coeff_program_buffer[program->dout_z_iterator_offset],
&douti_src);
}
/* FIXME: Figure out the define for alignment of 16. */
return pvr_cmd_buffer_upload_pds(
cmd_buffer,

3
src/imagination/vulkan/pvr_pipeline.c
View file

@ -1424,7 +1424,10 @@ static void pvr_graphics_pipeline_setup_fragment_coeff_program(
douti_src.size = ROGUE_PDSINST_DOUTI_SIZE_1D;
}
frag_coeff_program->z_iterator = fpu;
frag_coeff_program->destination[fpu++] = dest++;
} else {
frag_coeff_program->z_iterator = ~0u;
}
if (fs_data->uses.w) {