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radeonsi: add samplemask parameter to si_export_mrt_color

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-01-26 21:57:57 +01:00
parent e6aea08b86
commit 292759220c
1 changed files with 7 additions and 3 deletions
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10
src/gallium/drivers/radeonsi/si_shader.c
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@ -1515,7 +1515,8 @@ static void si_alpha_test(struct lp_build_tgsi_context *bld_base,
}
static LLVMValueRef si_scale_alpha_by_sample_mask(struct lp_build_tgsi_context *bld_base,
LLVMValueRef alpha)
LLVMValueRef alpha,
unsigned samplemask_param)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
struct gallivm_state *gallivm = bld_base->base.gallivm;
@ -1523,7 +1524,7 @@ static LLVMValueRef si_scale_alpha_by_sample_mask(struct lp_build_tgsi_context *
/* alpha = alpha * popcount(coverage) / SI_NUM_SMOOTH_AA_SAMPLES */
coverage = LLVMGetParam(ctx->radeon_bld.main_fn,
SI_PARAM_SAMPLE_COVERAGE);
samplemask_param);
coverage = bitcast(bld_base, TGSI_TYPE_SIGNED, coverage);
coverage = lp_build_intrinsic(gallivm->builder, "llvm.ctpop.i32",
@ -2288,6 +2289,7 @@ static void si_export_mrt_z(struct lp_build_tgsi_context *bld_base,
static void si_export_mrt_color(struct lp_build_tgsi_context *bld_base,
LLVMValueRef *color, unsigned index,
unsigned samplemask_param,
bool is_last)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
@ -2310,7 +2312,8 @@ static void si_export_mrt_color(struct lp_build_tgsi_context *bld_base,
/* Line & polygon smoothing */
if (ctx->shader->key.ps.epilog.poly_line_smoothing)
color[3] = si_scale_alpha_by_sample_mask(bld_base, color[3]);
color[3] = si_scale_alpha_by_sample_mask(bld_base, color[3],
samplemask_param);
/* If last_cbuf > 0, FS_COLOR0_WRITES_ALL_CBUFS is true. */
if (ctx->shader->key.ps.epilog.last_cbuf > 0) {
@ -2449,6 +2452,7 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context *bld_base)
ctx->radeon_bld.soa.outputs[i][j], "");
si_export_mrt_color(bld_base, color, semantic_index,
SI_PARAM_SAMPLE_COVERAGE,
last_color_export == i);
break;
default: