SDL/OGL platform improvements

IDE/dist/shaders/Std.frag

@@ -0,0 +1,10 @@
+uniform sampler2D tex;
+uniform sampler2D tex2;
+varying vec4 varying_color;
+varying vec2 varying_texCoord0;
+
+void main()
+{
+	vec4 texColor = texture2D(tex, varying_texCoord0);
+	gl_FragColor = texColor * varying_color;
+}

IDE/dist/shaders/Std_font.frag

@@ -0,0 +1,12 @@
+uniform sampler2D tex;
+uniform sampler2D tex2;
+varying vec4 varying_color;
+varying vec2 varying_texCoord0;
+
+void main()
+{
+	vec4 texColor = texture2D(tex, varying_texCoord0);
+	float gray = varying_color.r * 0.299 + varying_color.g * 0.587 + varying_color.b * 0.114;
+	float a = mix(texColor.a, texColor.r, gray);
+    gl_FragColor = vec4(a, a, a, a) * varying_color;
+}

IDE/dist/shaders/Std_font.vert

@@ -0,0 +1,15 @@
+uniform mat4 screenMatrix;
+
+attribute vec4 position;
+attribute vec2 texCoord0;
+attribute vec4 color;
+
+varying vec4 varying_color;
+varying vec2 varying_texCoord0;
+
+void main()
+{        
+	gl_Position = screenMatrix * position;    
+    varying_color = vec4(color.b * color.a, color.g * color.a, color.r * color.a, color.a);    
+    varying_texCoord0 = texCoord0;
+} 

IDE/dist/shaders/Std_font_es.frag

@@ -0,0 +1,14 @@
+precision lowp float;
+
+uniform lowp sampler2D tex;
+uniform lowp sampler2D tex2;
+varying lowp vec4 varying_color;
+varying mediump vec2 varying_texCoord0;
+
+void main()
+{
+	lowp vec4 texColor = texture2D(tex, varying_texCoord0);
+	float gray = varying_color.r * 0.299 + varying_color.g * 0.587 + varying_color.b * 0.114;
+	float a = mix(texColor.a, texColor.r, gray);
+    gl_FragColor = vec4(a, a, a, a) * varying_color;
+}

IDE/dist/shaders/Std_font_es.vert

@@ -0,0 +1,17 @@
+precision mediump float;
+uniform mat4 screenMatrix;
+
+attribute vec4 position;
+attribute vec2 texCoord0;
+attribute vec4 color;
+
+precision lowp float;
+varying lowp vec4 varying_color;
+varying mediump vec2 varying_texCoord0;
+
+void main()
+{        
+	gl_Position = screenMatrix * position;    
+    varying_color = vec4(color.b * color.a, color.g * color.a, color.r * color.a, color.a);    
+    varying_texCoord0 = texCoord0;
+}