add ds-hybrid shader and sabr presets

handheld/ds-hybrid-sabr.slangp

@@ -0,0 +1,11 @@
+// This shader requires 16:9 aspect ratio
+// and integer scaling OFF
+
+shaders = 2
+
+shader0 = ../sabr/shaders/sabr-v3.0.slang
+filter_linear0 = false
+scale_type0 = source
+scale0 = 2.0
+
+shader1 = shaders/ds-hybrid-view.slang

handheld/shaders/ds-hybrid-view.slang

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+#version 450
+
+//	DS Hybrid View
+//	by hunterk
+//	license: public domain
+//
+//	This shader requires 16:9 aspect ratio
+//	and integer scaling OFF
+
+layout(push_constant) uniform Push
+{
+	vec4 SourceSize;
+	vec4 OriginalSize;
+	vec4 OutputSize;
+	uint FrameCount;
+	float screen_toggle;
+} params;
+
+#pragma parameter screen_toggle "Screen Toggle" 0.0 0.0 0.5 0.5
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+	mat4 MVP;
+} global;
+
+#pragma stage vertex
+layout(location = 0) in vec4 Position;
+layout(location = 1) in vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+layout(location = 1) out float video_scale;
+
+void main()
+{
+	video_scale = floor(params.SourceSize.w * params.OutputSize.y);
+	vec2 integer_scale = video_scale * params.SourceSize.xy;
+   gl_Position = (global.MVP * Position);
+   vTexCoord = TexCoord * (params.OutputSize.xy / vec2(integer_scale));
+}
+
+#pragma stage fragment
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 1) in float video_scale;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+void main()
+{
+vec2 bigCoord = vTexCoord * vec2(0.3570) + vec2(0.0, 0.0 + params.screen_toggle);
+vec2 smallCoord = vTexCoord * vec2(1.05) + vec2(-2.942, -0.275);
+FragColor = texture(Source, bigCoord) + texture(Source, smallCoord);
+}

sabr/sabr.slangp

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+shaders = 1
+
+shader0 = shaders/sabr-v3.0.slang
+filter_linear0 = false
+scale_type_0 = source