From f1f1576543bb4e0f3b9bc4cd0ba4a12a70546c3c Mon Sep 17 00:00:00 2001
From: Frederico Linhares <fred@linhares.blue>
Date: Tue, 30 Aug 2022 17:45:40 -0300
Subject: feat Create 2d graphics pipeline

---
 glsl/shader_3d.vert.glsl | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 glsl/shader_3d.vert.glsl

(limited to 'glsl/shader_3d.vert.glsl')

diff --git a/glsl/shader_3d.vert.glsl b/glsl/shader_3d.vert.glsl
new file mode 100644
index 0000000..387ad00
--- /dev/null
+++ b/glsl/shader_3d.vert.glsl
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 Frederico de Oliveira Linhares
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec3 in_position;
+layout(location = 1) in vec3 in_normal;
+layout(location = 2) in vec2 in_texture_coord;
+
+
+layout(location = 0) out DataTransferObject
+{
+  vec4 frag_color;
+  vec2 frag_texture_coord;
+  vec3 normal;
+} out_dto;
+
+layout(set = 0, binding = 0) uniform UBOViewProjection
+{
+  mat4 view;
+  mat4 proj;
+  vec4 ambient_color;
+} ubo_view_projection;
+
+layout(set = 1, binding = 0) uniform UBOModelInstance
+{
+  mat4 instances[128];
+} ubo_model_instance;
+
+void
+main()
+{
+  gl_Position =
+      ubo_view_projection.proj * ubo_view_projection.view *
+      ubo_model_instance.instances[gl_InstanceIndex] * vec4(in_position, 1.0);
+  out_dto.frag_color = ubo_view_projection.ambient_color;
+  out_dto.frag_texture_coord = in_texture_coord;
+  out_dto.normal = mat3(ubo_model_instance.instances[gl_InstanceIndex]) *
+    in_normal;
+}
-- 
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