8 files changed, 153 insertions, 0 deletions
diff --git a/assets/shaders/2d.fsh b/assets/shaders/2d.fsh
new file mode 100644
index 0000000..15465af
--- /dev/null
+++ b/assets/shaders/2d.fsh
@@ -0,0 +1,7 @@
+#version 150
+
+in vec4 g_color;
+
+void main() {
+  gl_FragColor = g_color;
+}
diff --git a/assets/shaders/2d.vsh b/assets/shaders/2d.vsh
new file mode 100644
index 0000000..7701087
--- /dev/null
+++ b/assets/shaders/2d.vsh
@@ -0,0 +1,23 @@
+#version 150
+
+in vec2 in_pos;
+in vec2 in_texcoord;
+in vec4 in_col;
+
+out vec2 g_texcoord;
+out vec4 g_color;
+
+uniform vec4 g_screenratio;
+
+void main() {
+  vec2 halfscreen = vec2( 1.0 / g_screenratio[0], 1.0 / g_screenratio[1] );
+
+  vec4 pos = vec4( in_pos.x, in_pos.y, 1, 1 );
+  pos[0] -= halfscreen[0];
+  pos[1] -= halfscreen[1];
+  pos[1] *= -1.0;
+
+	gl_Position = ( pos ) * g_screenratio;
+	g_texcoord = in_texcoord;
+	g_color = in_col;
+}
diff --git a/assets/shaders/2d_overlay.fsh b/assets/shaders/2d_overlay.fsh
new file mode 100644
index 0000000..052f0bd
--- /dev/null
+++ b/assets/shaders/2d_overlay.fsh
@@ -0,0 +1,17 @@
+precision mediump float;
+varying vec2 in_texcoord;
+varying vec2 in_texcoord2;
+varying vec4 g_color;
+uniform sampler2D in_sampler;
+uniform sampler2D in_sampler2;
+
+void main() {
+  vec4 color = texture2D( in_sampler, in_texcoord );
+  vec4 color2 = texture2D( in_sampler2, in_texcoord2 );
+  
+  float brightness = (color.x + color.y + color.z) / 3.0;
+  vec3 blend = color2.xyz * brightness;
+  vec4 final = vec4( color2.xyz, color.a );
+  
+  gl_FragColor = vec4( in_texcoord.x, fTexCoord.y, 0.0, 1.0 );
+}
diff --git a/assets/shaders/2d_overlay.vsh b/assets/shaders/2d_overlay.vsh
new file mode 100644
index 0000000..512ef91
--- /dev/null
+++ b/assets/shaders/2d_overlay.vsh
@@ -0,0 +1,20 @@
+attribute vec4 in_position;
+attribute vec2 in_texcoord;
+attribute vec2 in_texcoord2;
+
+varying vec2 g_texcoord;
+varying vec2 g_texcoord2;
+uniform vec4 g_screenratio;
+
+void main() {
+  vec2 halfscreen = vec2( 1.0 / g_screenratio[0], 1.0 / g_screenratio[1] );
+
+  vec4 pos = in_position;
+  pos[0] -= halfscreen[0];
+  pos[1] -= halfscreen[1];
+  pos[1] *= -1.0;
+
+  gl_Position = ( pos ) * g_screenratio;
+  g_texcoord  = in_texcoord;
+  g_texcoord2 = in_texcoord2;
+}
diff --git a/assets/shaders/2d_texcoord.fsh b/assets/shaders/2d_texcoord.fsh
new file mode 100644
index 0000000..276f305
--- /dev/null
+++ b/assets/shaders/2d_texcoord.fsh
@@ -0,0 +1,18 @@
+#version 150
+
+uniform sampler2D g_samplers[255];
+
+const uint SAMPLER_ID_NONE = 255u;
+
+in vec2 g_texcoord;
+in vec4 g_color;
+flat in uint g_sampler;
+
+void main() {
+  vec4 color = g_color;
+  if( g_sampler != SAMPLER_ID_NONE ) {
+    color = texture2D( g_samplers[g_sampler], g_texcoord );
+    color *= g_color;
+  }
+  gl_FragColor = color;
+}
diff --git a/assets/shaders/2d_texcoord.vsh b/assets/shaders/2d_texcoord.vsh
new file mode 100644
index 0000000..3ccc8e7
--- /dev/null
+++ b/assets/shaders/2d_texcoord.vsh
@@ -0,0 +1,28 @@
+#version 150
+
+uniform sampler2D g_samplers[255];
+
+in vec2  in_pos;
+in vec4  in_clr;
+in vec2  in_texcoord;
+in float in_sampler;
+
+out vec2 g_texcoord;
+out vec4 g_color;
+flat out uint g_sampler;
+
+uniform vec4 g_screenratio;
+
+void main() {
+  vec2 halfscreen = vec2( 1.0 / g_screenratio[0], 1.0 / g_screenratio[1] );
+
+  vec4 pos = vec4( in_pos.x, in_pos.y, 1, 1 );
+  pos[0] -= halfscreen[0];
+  pos[1] -= halfscreen[1];
+  pos[1] *= -1.0;
+
+  g_texcoord = in_texcoord;
+	g_color = in_clr;
+	g_sampler = uint(in_sampler * 255 + 0.5);
+  gl_Position = ( pos ) * g_screenratio;
+}
diff --git a/assets/shaders/3d.fsh b/assets/shaders/3d.fsh
new file mode 100644
index 0000000..ee1208c
--- /dev/null
+++ b/assets/shaders/3d.fsh
@@ -0,0 +1,18 @@
+#version 150
+
+uniform sampler2D g_samplers[255];
+
+const uint SAMPLER_ID_NONE = 255u;
+
+in vec2 g_texcoord;
+in vec4 g_color;
+flat in uint g_sampler;
+
+void main() {
+  vec4 color = g_color;
+  if( g_sampler != SAMPLER_ID_NONE ) {
+    color = texture2D( g_samplers[int(g_sampler)], g_texcoord );
+    color *= g_color;
+  }
+  gl_FragColor = color;
+}
diff --git a/assets/shaders/3d.vsh b/assets/shaders/3d.vsh
new file mode 100644
index 0000000..d248e41
--- /dev/null
+++ b/assets/shaders/3d.vsh
@@ -0,0 +1,22 @@
+#version 150
+
+in vec3  in_pos;
+in vec4  in_clr;
+in vec2  in_texcoord;
+in float in_sampler;
+
+uniform mat4 in_proj_matrix;
+uniform vec4 g_screenratio;
+
+out vec4 g_color;
+out vec2 g_texcoord;
+flat out uint g_sampler;
+
+void main() {
+	vec4 pos = in_proj_matrix * vec4( in_pos, 1.0 );
+	g_texcoord = in_texcoord;
+	g_sampler = uint(in_sampler * 255 + 0.5);
+	g_color = in_clr;
+	gl_Position = pos;
+}
+