From 80b8a59afce450a87af7ca4082529d899b639779 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Sun, 29 Dec 2024 22:41:55 +1100
Subject: alpha blending

---
 pipeline.cpp | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'pipeline.cpp')

diff --git a/pipeline.cpp b/pipeline.cpp
index 015a5dd..a3ea553 100644
--- a/pipeline.cpp
+++ b/pipeline.cpp
@@ -165,6 +165,38 @@ void Pipeline_Builder::depth(bool test, bool write, Depth_Mode mode) {
 	pip->depth_mode = mode;
 }
 
+void Pipeline_Builder::blend(
+	Blend_Mode mode,
+	Blend_Factor src,
+	Blend_Factor dst
+) {
+	blend(
+		mode,
+		src,
+		dst,
+		mode,
+		src,
+		dst
+	);
+}
+
+void Pipeline_Builder::blend(
+	Blend_Mode mode_col,
+	Blend_Factor src_col,
+	Blend_Factor dst_col,
+	Blend_Mode mode_alpha,
+	Blend_Factor src_alpha,
+	Blend_Factor dst_alpha
+) {
+	pip->blend_enable = true;
+	pip->blend_mode = mode_col;
+	pip->blend_src = src_col;
+	pip->blend_dst = dst_col;
+	pip->blend_mode_alpha = mode_alpha;
+	pip->blend_src_alpha = src_alpha;
+	pip->blend_dst_alpha = dst_alpha;
+}
+
 void Pipeline_Builder::shader(Shader_Id s) {
 	pip->shader = s;
 }
@@ -226,6 +258,13 @@ Pipeline& Pipeline_Builder::build() {
 	h(pip->pipeline_hash, pip->depth_test);
 	h(pip->pipeline_hash, pip->depth_write);
 	h(pip->pipeline_hash, pip->depth_mode);
+	h(pip->pipeline_hash, pip->blend_enable);
+	h(pip->pipeline_hash, pip->blend_mode);
+	h(pip->pipeline_hash, pip->blend_mode_alpha);
+	h(pip->pipeline_hash, pip->blend_src);
+	h(pip->pipeline_hash, pip->blend_dst);
+	h(pip->pipeline_hash, pip->blend_src_alpha);
+	h(pip->pipeline_hash, pip->blend_dst_alpha);
 	{
 		int i, e = pip->descriptor_count;
 		pip->descriptor_resource_hash = fnv1a64(0, 0);
-- 
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