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radeonsi: prepare clamp, alpha test before mrtz prepare

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Signed-off-by: Yogesh Mohan Marimuthu <yogesh.mohanmarimuthu@amd.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15098>
This commit is contained in:
Yogesh Mohan Marimuthu 2022-02-11 01:12:07 +05:30 • committed by Marge Bot
parent c268dafae5
commit 3c7df183a3
1 changed files with 29 additions and 19 deletions
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48
src/gallium/drivers/radeonsi/si_shader_llvm_ps.c
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@ -845,6 +845,7 @@ void si_llvm_build_ps_epilog(struct si_shader_context *ctx, union si_shader_part
{
int i;
struct si_ps_exports exp = {};
LLVMValueRef color[8][4];
memset(&ctx->args, 0, sizeof(ctx->args));
@ -868,6 +869,30 @@ void si_llvm_build_ps_epilog(struct si_shader_context *ctx, union si_shader_part
/* Disable elimination of unused inputs. */
ac_llvm_add_target_dep_function_attr(ctx->main_fn, "InitialPSInputAddr", 0xffffff);
/* Prepare color. */
unsigned vgpr = ctx->args.num_sgprs_used;
unsigned colors_written = key->ps_epilog.colors_written;
while (colors_written) {
int write_i = u_bit_scan(&colors_written);
unsigned color_type = (key->ps_epilog.color_types >> (write_i * 2)) & 0x3;
if (color_type != SI_TYPE_ANY32) {
for (i = 0; i < 4; i++) {
color[write_i][i] = LLVMGetParam(ctx->main_fn, vgpr + i / 2);
color[write_i][i] = LLVMBuildBitCast(ctx->ac.builder, color[write_i][i],
ctx->ac.v2f16, "");
color[write_i][i] = ac_llvm_extract_elem(&ctx->ac, color[write_i][i], i % 2);
}
vgpr += 4;
} else {
for (i = 0; i < 4; i++)
color[write_i][i] = LLVMGetParam(ctx->main_fn, vgpr++);
}
si_llvm_build_clamp_alpha_test(ctx, color[write_i], write_i);
}
/* Prepare the mrtz export. */
if (key->ps_epilog.writes_z ||
key->ps_epilog.writes_stencil ||
@ -888,28 +913,13 @@ void si_llvm_build_ps_epilog(struct si_shader_context *ctx, union si_shader_part
/* Prepare color exports. */
const unsigned first_color_export = exp.num;
unsigned vgpr = ctx->args.num_sgprs_used;
unsigned colors_written = key->ps_epilog.colors_written;
colors_written = key->ps_epilog.colors_written;
while (colors_written) {
LLVMValueRef color[4];
int output_index = u_bit_scan(&colors_written);
unsigned color_type = (key->ps_epilog.color_types >> (output_index * 2)) & 0x3;
int write_i = u_bit_scan(&colors_written);
unsigned color_type = (key->ps_epilog.color_types >> (write_i * 2)) & 0x3;
if (color_type != SI_TYPE_ANY32) {
for (i = 0; i < 4; i++) {
color[i] = LLVMGetParam(ctx->main_fn, vgpr + i / 2);
color[i] = LLVMBuildBitCast(ctx->ac.builder, color[i], ctx->ac.v2f16, "");
color[i] = ac_llvm_extract_elem(&ctx->ac, color[i], i % 2);
}
vgpr += 4;
} else {
for (i = 0; i < 4; i++)
color[i] = LLVMGetParam(ctx->main_fn, vgpr++);
}
si_llvm_build_clamp_alpha_test(ctx, color, output_index);
si_export_mrt_color(ctx, color, output_index, first_color_export, color_type, &exp);
si_export_mrt_color(ctx, color[write_i], write_i, first_color_export, color_type, &exp);
}
if (exp.num) {