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aco: refactor export_fs_mrt_color() for PS epilogs preparation

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17485>
This commit is contained in:
Samuel Pitoiset 2022-07-15 08:28:58 +02:00 • committed by Marge Bot
parent df8fb721a5
commit 8d13392969
1 changed files with 33 additions and 16 deletions
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49
src/amd/compiler/aco_instruction_selection.cpp
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@ -11041,30 +11041,30 @@ export_fs_mrt_z(isel_context* ctx)
return true;
}
struct mrt_color_export {
int slot;
unsigned write_mask;
Operand values[4];
uint8_t col_format;
};
static bool
export_fs_mrt_color(isel_context* ctx, int slot)
export_fs_mrt_color(isel_context* ctx, const struct mrt_color_export *out)
{
Builder bld(ctx->program, ctx->block);
unsigned write_mask = ctx->outputs.mask[slot];
Operand values[4];
for (unsigned i = 0; i < 4; ++i) {
if (write_mask & (1 << i)) {
values[i] = Operand(ctx->outputs.temps[slot * 4u + i]);
} else {
values[i] = Operand(v1);
}
values[i] = out->values[i];
}
unsigned target, col_format;
unsigned target;
unsigned enabled_channels = 0;
bool compr = false;
slot -= FRAG_RESULT_DATA0;
target = V_008DFC_SQ_EXP_MRT + slot;
col_format = (ctx->options->key.ps.col_format >> (4 * slot)) & 0xf;
target = V_008DFC_SQ_EXP_MRT + out->slot;
switch (col_format) {
switch (out->col_format) {
case V_028714_SPI_SHADER_32_R: enabled_channels = 1; break;
case V_028714_SPI_SHADER_32_GR: enabled_channels = 0x3; break;
@ -11085,7 +11085,7 @@ export_fs_mrt_color(isel_context* ctx, int slot)
case V_028714_SPI_SHADER_SNORM16_ABGR:
case V_028714_SPI_SHADER_UINT16_ABGR:
case V_028714_SPI_SHADER_SINT16_ABGR:
enabled_channels = util_widen_mask(write_mask, 2);
enabled_channels = util_widen_mask(out->write_mask, 2);
compr = true;
break;
@ -11192,9 +11192,26 @@ create_fs_exports(isel_context* ctx)
create_fs_jump_to_epilog(ctx);
} else {
/* Export all color render targets. */
for (unsigned i = FRAG_RESULT_DATA0; i < FRAG_RESULT_DATA7 + 1; ++i)
if (ctx->outputs.mask[i])
exported |= export_fs_mrt_color(ctx, i);
for (unsigned i = FRAG_RESULT_DATA0; i < FRAG_RESULT_DATA7 + 1; ++i) {
if (!ctx->outputs.mask[i])
continue;
struct mrt_color_export out = {0};
out.slot = i - FRAG_RESULT_DATA0;
out.write_mask = ctx->outputs.mask[i];
out.col_format = (ctx->options->key.ps.col_format >> (4 * out.slot)) & 0xf;
for (unsigned c = 0; c < 4; ++c) {
if (out.write_mask & (1 << c)) {
out.values[c] = Operand(ctx->outputs.temps[i * 4u + c]);
} else {
out.values[c] = Operand(v1);
}
}
exported |= export_fs_mrt_color(ctx, &out);
}
if (!exported)
create_fs_null_export(ctx);