gdk: Move GLSL shaders into GResource

Having the shaders inlined as C strings makes them harder to edit and
maintain.

8 files changed, 90 insertions, 0 deletions

diff --git a/gdk/resources/glsl/gl2-texture-2d.fs.glsl b/gdk/resources/glsl/gl2-texture-2d.fs.glsl
new file mode 100644
index 0000000000..d0bacfbdeb
--- /dev/null
+++ b/gdk/resources/glsl/gl2-texture-2d.fs.glsl
@@ -0,0 +1,9 @@
+#version 130
+
+varying vec2 vUv;
+
+uniform sampler2D map;
+
+void main() {
+  gl_FragColor = texture2D (map, vUv);
+}
diff --git a/gdk/resources/glsl/gl2-texture-2d.vs.glsl b/gdk/resources/glsl/gl2-texture-2d.vs.glsl
new file mode 100644
index 0000000000..bf9fdbb108
--- /dev/null
+++ b/gdk/resources/glsl/gl2-texture-2d.vs.glsl
@@ -0,0 +1,13 @@
+#version 130
+
+uniform sampler2D map;
+
+attribute vec2 position;
+attribute vec2 uv;
+
+varying vec2 vUv;
+
+void main() {
+  gl_Position = vec4(position, 0, 1);
+  vUv = uv;
+}
diff --git a/gdk/resources/glsl/gl2-texture-rect.fs.glsl b/gdk/resources/glsl/gl2-texture-rect.fs.glsl
new file mode 100644
index 0000000000..fe0b870599
--- /dev/null
+++ b/gdk/resources/glsl/gl2-texture-rect.fs.glsl
@@ -0,0 +1,9 @@
+#version 130
+
+varying vec2 vUv;
+
+uniform sampler2DRect map;
+
+void main() {
+  gl_FragColor = texture2DRect (map, vUv);
+}
diff --git a/gdk/resources/glsl/gl2-texture-rect.vs.glsl b/gdk/resources/glsl/gl2-texture-rect.vs.glsl
new file mode 100644
index 0000000000..834d31d973
--- /dev/null
+++ b/gdk/resources/glsl/gl2-texture-rect.vs.glsl
@@ -0,0 +1,13 @@
+#version 130
+
+uniform sampler2DRect map;
+
+attribute vec2 position;
+attribute vec2 uv;
+
+varying vec2 vUv;
+
+void main() {
+  gl_Position = vec4(position, 0, 1);
+  vUv = uv;
+}
diff --git a/gdk/resources/glsl/gl3-texture-2d.fs.glsl b/gdk/resources/glsl/gl3-texture-2d.fs.glsl
new file mode 100644
index 0000000000..fe353a6bad
--- /dev/null
+++ b/gdk/resources/glsl/gl3-texture-2d.fs.glsl
@@ -0,0 +1,11 @@
+#version 150
+
+in vec2 vUv;
+
+out vec4 vertexColor;
+
+uniform sampler2D map;
+
+void main() {
+  vertexColor = texture2D (map, vUv);
+}
diff --git a/gdk/resources/glsl/gl3-texture-2d.vs.glsl b/gdk/resources/glsl/gl3-texture-2d.vs.glsl
new file mode 100644
index 0000000000..2c61f05d87
--- /dev/null
+++ b/gdk/resources/glsl/gl3-texture-2d.vs.glsl
@@ -0,0 +1,13 @@
+#version 150
+
+uniform sampler2D map;
+
+in vec2 position;
+in vec2 uv;
+
+out vec2 vUv;
+
+void main() {
+  gl_Position = vec4(position, 0, 1);
+  vUv = uv;
+}
diff --git a/gdk/resources/glsl/gl3-texture-rect.fs.glsl b/gdk/resources/glsl/gl3-texture-rect.fs.glsl
new file mode 100644
index 0000000000..bf6884e6c0
--- /dev/null
+++ b/gdk/resources/glsl/gl3-texture-rect.fs.glsl
@@ -0,0 +1,9 @@
+#version 150
+
+varying vec2 vUv;
+
+uniform sampler2DRect map;
+
+void main() {
+  gl_FragColor = texture2DRect (map, vUv);
+}
diff --git a/gdk/resources/glsl/gl3-texture-rect.vs.glsl b/gdk/resources/glsl/gl3-texture-rect.vs.glsl
new file mode 100644
index 0000000000..874ef6c214
--- /dev/null
+++ b/gdk/resources/glsl/gl3-texture-rect.vs.glsl
@@ -0,0 +1,13 @@
+#version 150
+
+uniform sampler2DRect map;
+
+attribute vec2 position;
+attribute vec2 uv;
+
+varying vec2 vUv;
+
+void main() {
+  gl_Position = vec4(position, 0, 1);
+  vUv = uv;
+}