8 files changed, 111 insertions, 0 deletions
diff --git a/instancing/shaders/default.fs b/instancing/shaders/default.fs
new file mode 100644
index 0000000..c655ac8
--- /dev/null
+++ b/instancing/shaders/default.fs
@@ -0,0 +1,13 @@
+#version 330 core
+
+in vec2 tex_coords;
+
+out vec4 frag_color;
+
+uniform sampler2D texture0;
+
+void
+main(void)
+{
+    frag_color = texture(texture0, tex_coords);
+}
+\ No newline at end of file
diff --git a/instancing/shaders/default.vs b/instancing/shaders/default.vs
new file mode 100644
index 0000000..85d3c19
--- /dev/null
+++ b/instancing/shaders/default.vs
@@ -0,0 +1,18 @@
+#version 330 core
+layout(location = 0) in vec3 apos;
+layout(location = 1) in vec3 anormal;
+layout(location = 2) in vec2 atex_coords;
+
+out vec3 normal;
+out vec2 tex_coords;
+
+uniform mat4 projection;
+uniform mat4 view;
+uniform mat4 model;
+
+void
+main(void)
+{
+    tex_coords = atex_coords;
+    gl_Position = projection*view*model*vec4(apos, 1.0);
+}
diff --git a/instancing/shaders/instanced_arrays.fs b/instancing/shaders/instanced_arrays.fs
new file mode 100644
index 0000000..a32e52e
--- /dev/null
+++ b/instancing/shaders/instanced_arrays.fs
@@ -0,0 +1,11 @@
+#version 330 core
+
+in vec3 color;
+
+out vec4 frag_color;
+
+void
+main(void)
+{
+    frag_color = vec4(color, 1.0);
+}
diff --git a/instancing/shaders/instanced_arrays.vs b/instancing/shaders/instanced_arrays.vs
new file mode 100644
index 0000000..e7bbeb7
--- /dev/null
+++ b/instancing/shaders/instanced_arrays.vs
@@ -0,0 +1,14 @@
+#version 330 core
+layout(location = 0) in vec2 apos;
+layout(location = 1) in vec3 acolor;
+layout(location = 2) in vec2 aoffset;
+
+out vec3 color;
+
+void
+main(void)
+{
+    color = acolor;
+    vec2 pos = apos*(gl_InstanceID/100.0f);
+    gl_Position = vec4(pos+aoffset, 0.0f, 1.0f);
+}
diff --git a/instancing/shaders/instanced_mat4.fs b/instancing/shaders/instanced_mat4.fs
new file mode 100644
index 0000000..ae625b2
--- /dev/null
+++ b/instancing/shaders/instanced_mat4.fs
@@ -0,0 +1,14 @@
+#version 330 core
+
+in vec2 tex_coords;
+
+out vec4 frag_color;
+
+uniform sampler2D texture1;
+
+void
+main(void)
+{
+    frag_color = texture(texture1, tex_coords);
+}
+
diff --git a/instancing/shaders/instanced_mat4.vs b/instancing/shaders/instanced_mat4.vs
new file mode 100644
index 0000000..5ab3a81
--- /dev/null
+++ b/instancing/shaders/instanced_mat4.vs
@@ -0,0 +1,16 @@
+#version 330 core
+layout(location = 0) in vec3 apos;
+layout(location = 2) in vec2 atex_coords;
+layout(location = 3) in mat4 instance_matrix;
+
+out vec2 tex_coords;
+
+uniform mat4 projection;
+uniform mat4 view;
+
+void
+main(void)
+{
+    tex_coords = atex_coords;
+    gl_Position = projection*view*instance_matrix*vec4(apos, 1.0f);
+}
diff --git a/instancing/shaders/instancing_uniform_array.fs b/instancing/shaders/instancing_uniform_array.fs
new file mode 100644
index 0000000..a32e52e
--- /dev/null
+++ b/instancing/shaders/instancing_uniform_array.fs
@@ -0,0 +1,11 @@
+#version 330 core
+
+in vec3 color;
+
+out vec4 frag_color;
+
+void
+main(void)
+{
+    frag_color = vec4(color, 1.0);
+}
diff --git a/instancing/shaders/instancing_uniform_array.vs b/instancing/shaders/instancing_uniform_array.vs
new file mode 100644
index 0000000..a77be31
--- /dev/null
+++ b/instancing/shaders/instancing_uniform_array.vs
@@ -0,0 +1,14 @@
+#version 330 core
+layout(location = 0) in vec2 apos;
+layout(location = 1) in vec3 acolor;
+
+out vec3 color;
+
+uniform vec2 offsets[100];
+
+void
+main(void)
+{
+    color = acolor;
+    gl_Position = vec4(apos+offsets[gl_InstanceID], 0.0, 1.0);
+}