From 8045b8ba04aae39a4cf9733e72413f648b6ebe2b Mon Sep 17 00:00:00 2001
From: tylermurphy534 <tylermurphy534@gmail.com>
Date: Sun, 18 Sep 2022 21:20:51 -0400
Subject: stanford dragon rendering

---
 res/shaders/simple_shader.frag     |  19 +++++++++++++++++++
 res/shaders/simple_shader.frag.spv | Bin 0 -> 1112 bytes
 res/shaders/simple_shader.vert     |  30 ++++++++++++++++++++++++++++++
 res/shaders/simple_shader.vert.spv | Bin 0 -> 2520 bytes
 4 files changed, 49 insertions(+)
 create mode 100755 res/shaders/simple_shader.frag
 create mode 100644 res/shaders/simple_shader.frag.spv
 create mode 100755 res/shaders/simple_shader.vert
 create mode 100644 res/shaders/simple_shader.vert.spv

(limited to 'res/shaders')

diff --git a/res/shaders/simple_shader.frag b/res/shaders/simple_shader.frag
new file mode 100755
index 0000000..b11a5a8
--- /dev/null
+++ b/res/shaders/simple_shader.frag
@@ -0,0 +1,19 @@
+#version 450
+
+layout (location = 0) in vec3 fragColor;
+
+layout (location = 0) out vec4 outColor;
+
+layout(set = 0, binding = 0) uniform GlobalUbo {
+  mat4 projectionViewMatrix;
+  vec3 directionToLight;
+} ubo;
+
+layout(push_constant) uniform Push {
+  mat4 transform;
+  mat4 normalMatrix;
+} push;
+
+void main() {
+  outColor = vec4(fragColor, 1.0);
+}
\ No newline at end of file
diff --git a/res/shaders/simple_shader.frag.spv b/res/shaders/simple_shader.frag.spv
new file mode 100644
index 0000000..ff80cc6
Binary files /dev/null and b/res/shaders/simple_shader.frag.spv differ
diff --git a/res/shaders/simple_shader.vert b/res/shaders/simple_shader.vert
new file mode 100755
index 0000000..be802f7
--- /dev/null
+++ b/res/shaders/simple_shader.vert
@@ -0,0 +1,30 @@
+#version 450
+
+layout(location = 0) in vec3 position;
+layout(location = 1) in vec3 color;
+layout(location = 2) in vec3 normal;
+layout(location = 3) in vec2 uv;
+
+layout(location = 0) out vec3 fragColor;
+
+layout(set = 0, binding = 0) uniform GlobalUbo {
+  mat4 projectionViewMatrix;
+  vec3 directionToLight;
+} ubo;
+
+layout(push_constant) uniform Push {
+  mat4 modelMatrix;
+  mat4 normalMatrix;
+} push;
+
+const float AMBIENT = 0.02;
+
+void main() {
+  gl_Position = ubo.projectionViewMatrix * push.modelMatrix * vec4(position, 1.0);
+
+  vec3 normalWorldSpace = normalize(mat3(push.normalMatrix) * normal);
+
+  float lightIntensity = AMBIENT + max(dot(normalWorldSpace, ubo.directionToLight), 0);
+
+  fragColor = lightIntensity * color;
+}
\ No newline at end of file
diff --git a/res/shaders/simple_shader.vert.spv b/res/shaders/simple_shader.vert.spv
new file mode 100644
index 0000000..7b4a820
Binary files /dev/null and b/res/shaders/simple_shader.vert.spv differ
-- 
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