Set SMAA antialiasing

assets/parallax_fragment.txt

@@ -1,68 +0,0 @@
-precision mediump float;
-uniform sampler2D Texture;
-uniform sampler2D NormalMap;
-uniform sampler2D HeightMap;
-
-precision highp float;
-
-varying vec2 frag_uv;
-varying vec3 ts_light_pos;
-varying vec3 ts_view_pos;
-varying vec3 ts_frag_pos;
-
-const float num_layers = 16.0;
-
-const float depth_scale = 0.01;
-
-
-
-vec2 parallax_uv(vec2 uv, vec3 view_dir)
-{
- 
-        float layer_depth = 1.0 / num_layers;
-        float cur_layer_depth = 0.0;
-        vec2 delta_uv = view_dir.xy * depth_scale / (view_dir.z * num_layers);
-        vec2 cur_uv = uv;
-
-        float depth_from_tex = texture2D(HeightMap, cur_uv).r;
-
-        for (int i = 0; i < 32; i++) {
-            cur_layer_depth += layer_depth;
-            cur_uv -= delta_uv;
-            depth_from_tex = texture2D(HeightMap, cur_uv).r;
-            if (depth_from_tex < cur_layer_depth) {
-                break;
-            }
-        }
-
-
-            // Parallax occlusion mapping
-            vec2 prev_uv = cur_uv + delta_uv;
-            float next = depth_from_tex - cur_layer_depth;
-            float prev = texture2D(HeightMap, prev_uv).r - cur_layer_depth
-                         + layer_depth;
-            float weight = next / (next - prev);
-            return mix(cur_uv, prev_uv, weight);
-        
-    
-}
-
-void main(void)
-{
-    vec3 light_dir = normalize(ts_light_pos - ts_frag_pos);
-    vec3 view_dir = normalize(ts_view_pos - ts_frag_pos);
-
-    // Only perturb the texture coordinates if a parallax technique is selected
-    vec2 uv = parallax_uv(frag_uv, view_dir);
-	//vec2 uv = frag_uv;
-
-    vec3 albedo = texture2D(Texture, uv).rgb;
-
-    vec3 ambient = 0.3 * albedo;
-
-    // Normal mapping
-    vec3 norm = normalize(texture2D(NormalMap, uv).rgb * 2.0 - 1.0);
-    float diffuse = max(dot(light_dir, norm), 0.0);
-    gl_FragColor = vec4(diffuse * albedo + ambient, 1.0);
-    
-}

assets/parallax_vertex.txt

@@ -1,60 +0,0 @@
-attribute vec3 vPosition;
-attribute vec2 vTexCoord;
-
-uniform	vec3 eye;
-
-uniform mat4 ModelViewMatrix;
-uniform mat3 NormalMatrix;
-uniform mat4 ProjectionMatrix1;
-uniform mat3 ModelViewMatrix3x3;
-
-varying vec2 frag_uv;
-varying vec3 ts_light_pos; // Tangent space values
-varying vec3 ts_view_pos;  //
-varying vec3 ts_frag_pos;  //
-
-
-mat3 transpose(in mat3 inMatrix)
-{
-    vec3 i0 = inMatrix[0];
-    vec3 i1 = inMatrix[1];
-    vec3 i2 = inMatrix[2];
-
-    mat3 outMatrix = mat3(
-        vec3(i0.x, i1.x, i2.x),
-        vec3(i0.y, i1.y, i2.y),
-        vec3(i0.z, i1.z, i2.z)
-    );
-
-    return outMatrix;
-}
-
-
-void main() 
-{
-	vec3 vert_norm = vec3(0, 1, 0);
-	vec3 vert_tang = vec3(1, 0, 0);
-	vec3 vert_bitang = vec3(0, 0, 1);
-	
-	mat4 mvp = ProjectionMatrix1 * ModelViewMatrix;
-	
-	gl_Position = mvp * vec4(vPosition.xyz, 1.0);
-	
-	ts_frag_pos = vec3(ModelViewMatrix * vec4(vPosition.xyz, 1.0));
-	
-	vec3 t = normalize((NormalMatrix) * vert_tang);
-    vec3 b = normalize((NormalMatrix) * vert_bitang);
-    vec3 n = normalize((NormalMatrix) * vert_norm);
-    mat3 tbn = transpose(mat3(t, b, n));
-	
-	
-    ts_light_pos = tbn * vec3(1,2,0);
-
-    //ts_view_pos = tbn * eye;
-	ts_view_pos = tbn * vec3(0,0,0);
-    ts_frag_pos = tbn * ts_frag_pos;
-
-	
-	frag_uv = vTexCoord;
-	
-}

assets/shader1fragment.txt

@@ -7,7 +7,7 @@ void main()
 {
 	vec4 color = texture2D(Texture,texCoord).rgba;
 
-	gl_FragColor = vec4(color.rgb, color.a * Transparency);
+	gl_FragColor = vec4(color.rgb, 1.0);
 	
 	
 	

assets/smaa/blend_fragment.txt

@@ -0,0 +1,422 @@
+#version 410 compatibility
+#define SMAA_PIXEL_SIZE vec2(1.0 / 512.0, 1.0 / 512.0)
+
+
+#define SMAA_THRESHOLD 0.05
+#define SMAA_MAX_SEARCH_STEPS 32
+#define SMAA_MAX_SEARCH_STEPS_DIAG 16
+#define SMAA_CORNER_ROUNDING 25
+
+
+#ifndef SMAA_DEPTH_THRESHOLD
+#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
+#endif
+
+
+#ifndef SMAA_REPROJECTION
+#define SMAA_REPROJECTION 0
+#endif
+
+#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
+
+
+#ifndef SMAA_AREATEX_MAX_DISTANCE
+#define SMAA_AREATEX_MAX_DISTANCE 16
+#endif
+#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
+#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
+#endif
+#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
+#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
+
+
+/* --- Define section is over ---- */
+
+
+
+
+//-----------------------------------------------------------------------------
+// Diagonal Search Functions
+
+/**
+ * These functions allows to perform diagonal pattern searches.
+ */
+float SMAASearchDiag1(sampler2D edgesTex, vec2 texcoord, vec2 dir, float c) {
+    texcoord += dir * SMAA_PIXEL_SIZE;
+    vec2 e = vec2(0.0, 0.0);
+    float i;
+    for (i = 0.0; i < float(SMAA_MAX_SEARCH_STEPS_DIAG); i++) {
+        e.rg = textureLod(edgesTex, texcoord, 0.0).rg;
+        
+		//SMAA_FLATTEN
+		if (dot(e, vec2(1.0, 1.0)) < 1.9) break;
+        
+		texcoord += dir * SMAA_PIXEL_SIZE;
+    }
+    return i + float(e.g > 0.9) * c;
+}
+
+float SMAASearchDiag2(sampler2D edgesTex, vec2 texcoord, vec2 dir, float c) {
+    texcoord += dir * SMAA_PIXEL_SIZE;
+    vec2 e = vec2(0.0, 0.0);
+    float i;
+    for (i = 0.0; i < float(SMAA_MAX_SEARCH_STEPS_DIAG); i++) {
+        e.g = textureLod(edgesTex, texcoord, 0.0).g;
+        e.r = textureLodOffset(edgesTex, texcoord, 0.0, ivec2(1, 0)).r;
+        
+		//SMAA_FLATTEN
+		if (dot(e, vec2(1.0, 1.0)) < 1.9) break;
+        
+		texcoord += dir * SMAA_PIXEL_SIZE;
+    }
+    return i + float(e.g > 0.9) * c;
+}
+
+/** 
+ * Similar to SMAAArea, this calculates the area corresponding to a certain
+ * diagonal distance and crossing edges 'e'.
+ */
+vec2 SMAAAreaDiag(sampler2D areaTex, vec2 dist, vec2 e, float offset) {
+    vec2 texcoord = float(SMAA_AREATEX_MAX_DISTANCE_DIAG) * e + dist;
+
+    // We do a scale and bias for mapping to texel space:
+    texcoord = SMAA_AREATEX_PIXEL_SIZE * texcoord + (0.5 * SMAA_AREATEX_PIXEL_SIZE);
+
+    // Diagonal areas are on the second half of the texture:
+    texcoord.x += 0.5;
+
+    // Move to proper place, according to the subpixel offset:
+    texcoord.y += SMAA_AREATEX_SUBTEX_SIZE * offset;
+
+
+    return textureLod(areaTex, texcoord, 0.0).rg;
+}
+
+/**
+ * This searches for diagonal patterns and returns the corresponding weights.
+ */
+vec2 SMAACalculateDiagWeights(sampler2D edgesTex, sampler2D areaTex, vec2 texcoord, vec2 e, ivec4 subsampleIndices) {
+    vec2 weights = vec2(0.0, 0.0);
+
+    vec2 d;
+    d.x = e.r > 0.0? SMAASearchDiag1(edgesTex, texcoord, vec2(-1.0,  1.0), 1.0) : 0.0;
+    d.y = SMAASearchDiag1(edgesTex, texcoord, vec2(1.0, -1.0), 0.0);
+
+    //SMAA_BRANCH
+    if (d.r + d.g > 2.0) { // d.r + d.g + 1 > 3
+        vec4 coords = fma(vec4(-d.r, d.r, d.g, -d.g), SMAA_PIXEL_SIZE.xyxy, texcoord.xyxy);
+
+        vec4 c;
+        c.x = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2(-1,  0)).g;
+        c.y = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2( 0,  0)).r;
+        c.z = textureLodOffset(edgesTex, coords.zw, 0.0, ivec2( 1,  0)).g;
+        c.w = textureLodOffset(edgesTex, coords.zw, 0.0, ivec2( 1, -1)).r;
+        vec2 e = 2.0 * c.xz + c.yw;
+        float t = float(SMAA_MAX_SEARCH_STEPS_DIAG) - 1.0;
+        e *= step(d.rg, vec2(t, t));
+
+        weights += SMAAAreaDiag(areaTex, d, e, float(subsampleIndices.z));
+    }
+
+    d.x = SMAASearchDiag2(edgesTex, texcoord, vec2(-1.0, -1.0), 0.0);
+    float right = textureLodOffset(edgesTex, texcoord, 0.0, ivec2(1, 0)).r;
+    d.y = right > 0.0? SMAASearchDiag2(edgesTex, texcoord, vec2(1.0, 1.0), 1.0) : 0.0;
+
+    //SMAA_BRANCH
+    if (d.r + d.g > 2.0) { // d.r + d.g + 1 > 3
+        vec4 coords = fma(vec4(-d.r, -d.r, d.g, d.g), SMAA_PIXEL_SIZE.xyxy, texcoord.xyxy);
+
+        vec4 c;
+        c.x  = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2(-1,  0)).g;
+        c.y  = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2( 0, -1)).r;
+        c.zw = textureLodOffset(edgesTex, coords.zw, 0.0, ivec2( 1,  0)).gr;
+        vec2 e = 2.0 * c.xz + c.yw;
+        float t = float(SMAA_MAX_SEARCH_STEPS_DIAG) - 1.0;
+        e *= step(d.rg, vec2(t, t));
+
+        weights += SMAAAreaDiag(areaTex, d, e, float(subsampleIndices.w)).gr;
+    }
+
+    return weights;
+}
+
+
+//-----------------------------------------------------------------------------
+// Horizontal/Vertical Search Functions
+
+/**
+ * This allows to determine how much length should we add in the last step
+ * of the searches. It takes the bilinearly interpolated edge (see 
+ * @PSEUDO_GATHER4), and adds 0, 1 or 2, depending on which edges and
+ * crossing edges are active.
+ */
+float SMAASearchLength(sampler2D searchTex, vec2 e, float bias, float scale) {
+    // Not required if searchTex accesses are set to point:
+    // vec2 SEARCH_TEX_PIXEL_SIZE = 1.0 / vec2(66.0, 33.0);
+    // e = vec2(bias, 0.0) + 0.5 * SEARCH_TEX_PIXEL_SIZE + 
+    //     e * vec2(scale, 1.0) * vec2(64.0, 32.0) * SEARCH_TEX_PIXEL_SIZE;
+    e.r = bias + e.r * scale;
+	e.g = -e.g;
+    return 255.0 * textureLod(searchTex, e, 0.0).r;
+}
+
+/**
+ * Horizontal/vertical search functions for the 2nd pass.
+ */
+float SMAASearchXLeft(sampler2D edgesTex, sampler2D searchTex, vec2 texcoord, float end) {
+    /**
+     * @PSEUDO_GATHER4
+     * This texcoord has been offset by (-0.25, -0.125) in the vertex shader to
+     * sample between edge, thus fetching four edges in a row.
+     * Sampling with different offsets in each direction allows to disambiguate
+     * which edges are active from the four fetched ones.
+     */
+    vec2 e = vec2(0.0, 1.0);
+    while (texcoord.x > end && 
+           e.g > 0.8281 && // Is there some edge not activated?
+           e.r == 0.0) { // Or is there a crossing edge that breaks the line?
+        e = textureLod(edgesTex, texcoord, 0.0).rg;
+        texcoord -= vec2(2.0, 0.0) * SMAA_PIXEL_SIZE;
+    }
+
+    // We correct the previous (-0.25, -0.125) offset we applied:
+    texcoord.x += 0.25 * SMAA_PIXEL_SIZE.x;
+
+    // The searches are bias by 1, so adjust the coords accordingly:
+    texcoord.x += SMAA_PIXEL_SIZE.x;
+
+    // Disambiguate the length added by the last step:
+    texcoord.x += 2.0 * SMAA_PIXEL_SIZE.x; // Undo last step
+    texcoord.x -= SMAA_PIXEL_SIZE.x * SMAASearchLength(searchTex, e, 0.0, 0.5);
+
+    return texcoord.x;
+}
+
+float SMAASearchXRight(sampler2D edgesTex, sampler2D searchTex, vec2 texcoord, float end) {
+    vec2 e = vec2(0.0, 1.0);
+    while (texcoord.x < end && 
+           e.g > 0.8281 && // Is there some edge not activated?
+           e.r == 0.0) { // Or is there a crossing edge that breaks the line?
+        e = textureLod(edgesTex, texcoord, 0.0).rg;
+        texcoord += vec2(2.0, 0.0) * SMAA_PIXEL_SIZE;
+    }
+
+    texcoord.x -= 0.25 * SMAA_PIXEL_SIZE.x;
+    texcoord.x -= SMAA_PIXEL_SIZE.x;
+    texcoord.x -= 2.0 * SMAA_PIXEL_SIZE.x;
+    texcoord.x += SMAA_PIXEL_SIZE.x * SMAASearchLength(searchTex, e, 0.5, 0.5);
+    return texcoord.x;
+}
+
+float SMAASearchYUp(sampler2D edgesTex, sampler2D searchTex, vec2 texcoord, float end) {
+    vec2 e = vec2(1.0, 0.0);
+    while (texcoord.y > end && 
+           e.r > 0.8281 && // Is there some edge not activated?
+           e.g == 0.0) { // Or is there a crossing edge that breaks the line?
+        e = textureLod(edgesTex, texcoord, 0.0).rg;
+        texcoord -= vec2(0.0, 2.0) * SMAA_PIXEL_SIZE;
+    }
+
+    texcoord.y += 0.25 * SMAA_PIXEL_SIZE.y;
+    texcoord.y += SMAA_PIXEL_SIZE.y;
+    texcoord.y += 2.0 * SMAA_PIXEL_SIZE.y;
+    texcoord.y -= SMAA_PIXEL_SIZE.y * SMAASearchLength(searchTex, e.gr, 0.0, 0.5);
+    return texcoord.y;
+}
+
+float SMAASearchYDown(sampler2D edgesTex, sampler2D searchTex, vec2 texcoord, float end) {
+    vec2 e = vec2(1.0, 0.0);
+    while (texcoord.y < end && 
+           e.r > 0.8281 && // Is there some edge not activated?
+           e.g == 0.0) { // Or is there a crossing edge that breaks the line?
+        e = textureLod(edgesTex, texcoord, 0.0).rg;
+        texcoord += vec2(0.0, 2.0) * SMAA_PIXEL_SIZE;
+    }
+    
+    texcoord.y -= 0.25 * SMAA_PIXEL_SIZE.y;
+    texcoord.y -= SMAA_PIXEL_SIZE.y;
+    texcoord.y -= 2.0 * SMAA_PIXEL_SIZE.y;
+    texcoord.y += SMAA_PIXEL_SIZE.y * SMAASearchLength(searchTex, e.gr, 0.5, 0.5);
+    return texcoord.y;
+}
+
+/** 
+ * Ok, we have the distance and both crossing edges. So, what are the areas
+ * at each side of current edge?
+ */
+vec2 SMAAArea(sampler2D areaTex, vec2 dist, float e1, float e2, float offset) {
+    // Rounding prevents precision errors of bilinear filtering:
+    vec2 texcoord = float(SMAA_AREATEX_MAX_DISTANCE) * round(4.0 * vec2(e1, e2)) + dist;
+    
+    // We do a scale and bias for mapping to texel space:
+    texcoord = SMAA_AREATEX_PIXEL_SIZE * texcoord + (0.5 * SMAA_AREATEX_PIXEL_SIZE);
+
+    // Move to proper place, according to the subpixel offset:
+    texcoord.y += SMAA_AREATEX_SUBTEX_SIZE * offset;
+
+
+    return textureLod(areaTex, texcoord, 0.0).rg;
+
+}
+
+//-----------------------------------------------------------------------------
+// Corner Detection Functions
+
+void SMAADetectHorizontalCornerPattern(sampler2D edgesTex, inout vec2 weights, vec2 texcoord, vec2 d) {
+    #if SMAA_CORNER_ROUNDING < 100 || SMAA_FORCE_CORNER_DETECTION == 1
+    vec4 coords = fma(vec4(d.x, 0.0, d.y, 0.0),
+                            SMAA_PIXEL_SIZE.xyxy, texcoord.xyxy);
+    vec2 e;
+    e.r = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2(0.0,  1.0)).r;
+    bool left = abs(d.x) < abs(d.y);
+    e.g = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2(0.0, -2.0)).r;
+    if (left) weights *= clamp(float(SMAA_CORNER_ROUNDING) / 100.0 + 1.0 - e, 0.0, 1.0);
+
+    e.r = textureLodOffset(edgesTex, coords.zw, 0.0, ivec2(1.0,  1.0)).r;
+    e.g = textureLodOffset(edgesTex, coords.zw, 0.0, ivec2(1.0, -2.0)).r;
+    if (!left) weights *= clamp(float(SMAA_CORNER_ROUNDING) / 100.0 + 1.0 - e, 0.0, 1.0);
+    #endif
+}
+
+void SMAADetectVerticalCornerPattern(sampler2D edgesTex, inout vec2 weights, vec2 texcoord, vec2 d) {
+    #if SMAA_CORNER_ROUNDING < 100 || SMAA_FORCE_CORNER_DETECTION == 1
+    vec4 coords = fma(vec4(0.0, d.x, 0.0, d.y),
+                            SMAA_PIXEL_SIZE.xyxy, texcoord.xyxy);
+    vec2 e;
+    e.r = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2( 1.0, 0.0)).g;
+    bool left = abs(d.x) < abs(d.y);
+    e.g = textureLodOffset(edgesTex, coords.xy, 0.0, ivec2(-2.0, 0.0)).g;
+    if (left) weights *= clamp(float(SMAA_CORNER_ROUNDING) / 100.0 + 1.0 - e, 0.0, 1.0);
+
+    e.r = textureLodOffset(edgesTex, coords.zw, 0.0, ivec2( 1.0, 1.0)).g;
+    e.g = textureLodOffset(edgesTex, coords.zw, 0.0, ivec2(-2.0, 1.0)).g;
+    if (!left) weights *= clamp(float(SMAA_CORNER_ROUNDING) / 100.0 + 1.0 - e, 0.0, 1.0);
+    #endif
+}
+
+//-----------------------------------------------------------------------------
+// Blending Weight Calculation Pixel Shader (Second Pass)
+
+vec4 SMAABlendingWeightCalculationPS(vec2 texcoord,
+                                       vec2 pixcoord,
+                                       vec4 offset[3],
+                                       sampler2D edgesTex, 
+                                       sampler2D areaTex, 
+                                       sampler2D searchTex,
+                                       ivec4 subsampleIndices) { // Just pass zero for SMAA 1x, see @SUBSAMPLE_INDICES.
+    vec4 weights = vec4(0.0, 0.0, 0.0, 0.0);
+
+    vec2 e = texture(edgesTex, texcoord).rg;
+
+    //SMAA_BRANCH
+    if (e.g > 0.0) { // Edge at north
+        #if SMAA_MAX_SEARCH_STEPS_DIAG > 0 || SMAA_FORCE_DIAGONAL_DETECTION == 1
+        // Diagonals have both north and west edges, so searching for them in
+        // one of the boundaries is enough.
+        weights.rg = SMAACalculateDiagWeights(edgesTex, areaTex, texcoord, e, subsampleIndices);
+
+        // We give priority to diagonals, so if we find a diagonal we skip 
+        // horizontal/vertical processing.
+        //SMAA_BRANCH
+        if (dot(weights.rg, vec2(1.0, 1.0)) == 0.0) {
+        #endif
+
+        vec2 d;
+
+        // Find the distance to the left:
+        vec2 coords;
+        coords.x = SMAASearchXLeft(edgesTex, searchTex, offset[0].xy, offset[2].x);
+        coords.y = offset[1].y; // offset[1].y = texcoord.y - 0.25 * SMAA_PIXEL_SIZE.y (@CROSSING_OFFSET)
+        d.x = coords.x;
+
+        // Now fetch the left crossing edges, two at a time using bilinear
+        // filtering. Sampling at -0.25 (see @CROSSING_OFFSET) enables to
+        // discern what value each edge has:
+        float e1 = textureLod(edgesTex, coords, 0.0).r;
+
+        // Find the distance to the right:
+        coords.x = SMAASearchXRight(edgesTex, searchTex, offset[0].zw, offset[2].y);
+        d.y = coords.x;
+
+        // We want the distances to be in pixel units (doing this here allow to
+        // better interleave arithmetic and memory accesses):
+        d = d / SMAA_PIXEL_SIZE.x - pixcoord.x;
+
+        // SMAAArea below needs a sqrt, as the areas texture is compressed 
+        // quadratically:
+        vec2 sqrt_d = sqrt(abs(d));
+
+        // Fetch the right crossing edges:
+        float e2 = textureLodOffset(edgesTex, coords, 0.0, ivec2(1, 0)).r;
+
+        // Ok, we know how this pattern looks like, now it is time for getting
+        // the actual area:
+        weights.rg = SMAAArea(areaTex, sqrt_d, e1, e2, float(subsampleIndices.y));
+
+        // Fix corners:
+        SMAADetectHorizontalCornerPattern(edgesTex, weights.rg, texcoord, d);
+
+        #if SMAA_MAX_SEARCH_STEPS_DIAG > 0 || SMAA_FORCE_DIAGONAL_DETECTION == 1
+        } else
+            e.r = 0.0; // Skip vertical processing.
+        #endif
+    }
+
+    //SMAA_BRANCH
+    if (e.r > 0.0) { // Edge at west
+        vec2 d;
+
+        // Find the distance to the top:
+        vec2 coords;
+        coords.y = SMAASearchYUp(edgesTex, searchTex, offset[1].xy, offset[2].z);
+        coords.x = offset[0].x; // offset[1].x = texcoord.x - 0.25 * SMAA_PIXEL_SIZE.x;
+        d.x = coords.y;
+
+        // Fetch the top crossing edges:
+        float e1 = textureLod(edgesTex, coords, 0.0).g;
+
+        // Find the distance to the bottom:
+        coords.y = SMAASearchYDown(edgesTex, searchTex, offset[1].zw, offset[2].w);
+        d.y = coords.y;
+
+        // We want the distances to be in pixel units:
+        d = d / SMAA_PIXEL_SIZE.y - pixcoord.y;
+
+        // SMAAArea below needs a sqrt, as the areas texture is compressed 
+        // quadratically:
+        vec2 sqrt_d = sqrt(abs(d));
+
+        // Fetch the bottom crossing edges:
+        float e2 = textureLodOffset(edgesTex, coords, 0.0, ivec2(0, 1)).g;
+
+        // Get the area for this direction:
+        weights.ba = SMAAArea(areaTex, sqrt_d, e1, e2, float(subsampleIndices.x));
+
+        // Fix corners:
+        SMAADetectVerticalCornerPattern(edgesTex, weights.ba, texcoord, d);
+		
+		//return vec4(weights.ba, 0.0, 1.0);
+    }
+
+    return weights;
+	
+	
+}
+
+
+
+/* ------------- Header is over -------------- */
+
+
+uniform sampler2D edge_tex;
+uniform sampler2D area_tex;
+uniform sampler2D search_tex;
+in vec2 texcoord;
+in vec2 pixcoord;
+in vec4 offset[3];
+in vec4 dummy2;
+void main()
+{
+  gl_FragColor = SMAABlendingWeightCalculationPS(texcoord, pixcoord, offset, edge_tex, area_tex, search_tex, ivec4(0));
+
+}

assets/smaa/blend_vertex.txt

@@ -0,0 +1,74 @@
+#version 410 compatibility
+#define SMAA_PIXEL_SIZE vec2(1.0 / 512.0, 1.0 / 512.0)
+
+#define SMAA_THRESHOLD 0.05
+#define SMAA_MAX_SEARCH_STEPS 32
+#define SMAA_MAX_SEARCH_STEPS_DIAG 16
+#define SMAA_CORNER_ROUNDING 25
+
+
+#ifndef SMAA_DEPTH_THRESHOLD
+#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
+#endif
+
+
+#ifndef SMAA_REPROJECTION
+#define SMAA_REPROJECTION 0
+#endif
+
+#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
+
+
+#ifndef SMAA_AREATEX_MAX_DISTANCE
+#define SMAA_AREATEX_MAX_DISTANCE 16
+#endif
+#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
+#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
+#endif
+#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
+#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
+
+
+/* --- Define section is over ---- */
+
+/**
+ * Blend Weight Calculation Vertex Shader
+ */
+void SMAABlendingWeightCalculationVS(vec4 position,
+                                     out vec4 svPosition,
+                                     inout vec2 texcoord,
+                                     out vec2 pixcoord,
+                                     out vec4 offset[3]) {
+    svPosition = position;
+
+    pixcoord = texcoord / SMAA_PIXEL_SIZE;
+
+    // We will use these offsets for the searches later on (see @PSEUDO_GATHER4):
+    offset[0] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-0.25, -0.125,  1.25, -0.125);
+    offset[1] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-0.125, -0.25, -0.125,  1.25);
+
+    // And these for the searches, they indicate the ends of the loops:
+    offset[2] = vec4(offset[0].xz, offset[1].yw) + 
+                vec4(-2.0, 2.0, -2.0, 2.0) *
+                SMAA_PIXEL_SIZE.xxyy * float(SMAA_MAX_SEARCH_STEPS);
+}
+
+/* ------------- Header is over -------------- */
+
+out vec2 texcoord;
+out vec2 pixcoord;
+out vec4 offset[3];
+out vec4 dummy2;
+
+attribute vec3 vPosition;
+attribute vec2 vTexCoord;
+uniform mat4 ProjectionMatrix;
+
+
+void main()
+{
+  texcoord = vTexCoord;
+  vec4 dummy1 = vec4(0);
+  SMAABlendingWeightCalculationVS(dummy1, dummy2, texcoord, pixcoord, offset);
+  gl_Position = ProjectionMatrix * vec4(vPosition.xyz, 1.0);
+}

assets/smaa/edge_fragment.txt

@@ -0,0 +1,105 @@
+#version 410 compatibility
+
+#define SMAA_THRESHOLD 0.05
+#define SMAA_MAX_SEARCH_STEPS 32
+#define SMAA_MAX_SEARCH_STEPS_DIAG 16
+#define SMAA_CORNER_ROUNDING 25
+
+
+#ifndef SMAA_DEPTH_THRESHOLD
+#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
+#endif
+
+
+#ifndef SMAA_REPROJECTION
+#define SMAA_REPROJECTION 0
+#endif
+
+#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
+
+
+#ifndef SMAA_AREATEX_MAX_DISTANCE
+#define SMAA_AREATEX_MAX_DISTANCE 16
+#endif
+#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
+#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
+#endif
+#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
+#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
+
+
+/* --- Define section is over ---- */
+
+/**
+ * Color Edge Detection
+ *
+ * IMPORTANT NOTICE: color edge detection requires gamma-corrected colors, and
+ * thus 'colorTex' should be a non-sRGB texture.
+ */
+vec4 SMAAColorEdgeDetectionPS(vec2 texcoord,
+                                vec4 offset[3],
+                                sampler2D colorTex
+                                ) {
+    vec2 threshold = vec2(SMAA_THRESHOLD, SMAA_THRESHOLD);
+
+    // Calculate color deltas:
+    vec4 delta;
+    vec3 C = texture(colorTex, texcoord).rgb;
+
+    vec3 Cleft = texture(colorTex, offset[0].xy).rgb;
+    vec3 t = abs(C - Cleft);
+    delta.x = max(max(t.r, t.g), t.b);
+
+    vec3 Ctop  = texture(colorTex, offset[0].zw).rgb;
+    t = abs(C - Ctop);
+    delta.y = max(max(t.r, t.g), t.b);
+
+    // We do the usual threshold:
+    vec2 edges = step(threshold, delta.xy);
+
+    // Then discard if there is no edge:
+    if (dot(edges, vec2(1.0, 1.0)) == 0.0)
+        discard;
+
+    // Calculate right and bottom deltas:
+    vec3 Cright = texture(colorTex, offset[1].xy).rgb;
+    t = abs(C - Cright);
+    delta.z = max(max(t.r, t.g), t.b);
+
+    vec3 Cbottom  = texture(colorTex, offset[1].zw).rgb;
+    t = abs(C - Cbottom);
+    delta.w = max(max(t.r, t.g), t.b);
+
+    // Calculate the maximum delta in the direct neighborhood:
+    float maxDelta = max(max(max(delta.x, delta.y), delta.z), delta.w);
+
+    // Calculate left-left and top-top deltas:
+    vec3 Cleftleft  = texture(colorTex, offset[2].xy).rgb;
+    t = abs(C - Cleftleft);
+    delta.z = max(max(t.r, t.g), t.b);
+
+    vec3 Ctoptop = texture(colorTex, offset[2].zw).rgb;
+    t = abs(C - Ctoptop);
+    delta.w = max(max(t.r, t.g), t.b);
+
+    // Calculate the final maximum delta:
+    maxDelta = max(max(maxDelta, delta.z), delta.w);
+
+    // Local contrast adaptation in action:
+    edges.xy *= step(0.5 * maxDelta, delta.xy);
+
+    return vec4(edges, 0.0, 0.0);
+	
+}
+
+
+/* ------------- Header is over -------------- */
+
+uniform sampler2D albedo_tex;
+in vec2 texcoord;
+in vec4 offset[3];
+in vec4 dummy2;
+void main()
+{
+    gl_FragColor = SMAAColorEdgeDetectionPS(texcoord, offset, albedo_tex);
+}

assets/smaa/edge_vertex.txt

@@ -0,0 +1,67 @@
+#version 410 compatibility
+#define SMAA_PIXEL_SIZE vec2(1.0/512.0, 1.0/512.0)
+
+#define SMAA_THRESHOLD 0.05
+#define SMAA_MAX_SEARCH_STEPS 32
+#define SMAA_MAX_SEARCH_STEPS_DIAG 16
+#define SMAA_CORNER_ROUNDING 25
+
+
+#ifndef SMAA_DEPTH_THRESHOLD
+#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
+#endif
+
+
+#ifndef SMAA_REPROJECTION
+#define SMAA_REPROJECTION 0
+#endif
+
+#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
+
+
+#ifndef SMAA_AREATEX_MAX_DISTANCE
+#define SMAA_AREATEX_MAX_DISTANCE 16
+#endif
+#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
+#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
+#endif
+#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
+#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
+
+
+/* --- Define section is over ---- */
+
+/**
+ * Edge Detection Vertex Shader
+ */
+void SMAAEdgeDetectionVS(vec4 position,
+                         out vec4 svPosition,
+                         inout vec2 texcoord,
+                         out vec4 offset[3]) {
+    svPosition = position;
+
+    offset[0] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-1.0, 0.0, 0.0, -1.0);
+    offset[1] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4( 1.0, 0.0, 0.0,  1.0);
+    offset[2] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-2.0, 0.0, 0.0, -2.0);
+}
+
+/* ------------- Header is over -------------- */
+
+out vec2 texcoord;
+out vec4 offset[3];
+out vec4 dummy2;
+
+
+
+attribute vec3 vPosition;
+attribute vec2 vTexCoord;
+uniform mat4 ProjectionMatrix;
+
+
+void main()
+{
+  texcoord = vTexCoord;
+  vec4 dummy1 = vec4(0);
+  SMAAEdgeDetectionVS(dummy1, dummy2, texcoord, offset);
+  gl_Position = ProjectionMatrix * vec4(vPosition.xyz, 1.0);
+}

assets/smaa/neighborhood_fragment.txt

@@ -0,0 +1,102 @@
+#version 410 compatibility
+#define SMAA_PIXEL_SIZE vec2(1.0 / 512.0, 1.0 / 512.0)
+
+#define SMAA_THRESHOLD 0.05
+#define SMAA_MAX_SEARCH_STEPS 32
+#define SMAA_MAX_SEARCH_STEPS_DIAG 16
+#define SMAA_CORNER_ROUNDING 25
+
+
+#ifndef SMAA_DEPTH_THRESHOLD
+#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
+#endif
+
+
+#ifndef SMAA_REPROJECTION
+#define SMAA_REPROJECTION 0
+#endif
+
+#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
+
+
+#ifndef SMAA_AREATEX_MAX_DISTANCE
+#define SMAA_AREATEX_MAX_DISTANCE 16
+#endif
+#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
+#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
+#endif
+#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
+#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
+
+
+/* --- Define section is over ---- */
+
+vec4 SMAANeighborhoodBlendingPS(vec2 texcoord,
+                                  vec4 offset[2],
+                                  sampler2D colorTex,
+                                  sampler2D blendTex) {
+    // Fetch the blending weights for current pixel:
+    vec4 a;
+    a.xz = texture(blendTex, texcoord).xz;
+    a.y = texture(blendTex, offset[1].zw).g;
+    a.w = texture(blendTex, offset[1].xy).a;
+
+    // Is there any blending weight with a value greater than 0.0?
+    //SMAA_BRANCH
+    if (dot(a, vec4(1.0, 1.0, 1.0, 1.0)) < 1e-5)
+        return textureLod(colorTex, texcoord, 0.0);
+    else {
+        vec4 color = vec4(0.0, 0.0, 0.0, 0.0);
+
+        // Up to 4 lines can be crossing a pixel (one through each edge). We
+        // favor blending by choosing the line with the maximum weight for each
+        // direction:
+        vec2 offset;
+        offset.x = a.a > a.b? a.a : -a.b; // left vs. right 
+        offset.y = a.g > a.r? a.g : -a.r; // top vs. bottom
+
+        // Then we go in the direction that has the maximum weight:
+        if (abs(offset.x) > abs(offset.y)) // horizontal vs. vertical
+            offset.y = 0.0;
+        else
+            offset.x = 0.0;
+
+        #if SMAA_REPROJECTION == 1
+        // Fetch the opposite color and lerp by hand:
+        vec4 C = textureLod(colorTex, texcoord, 0.0);
+        texcoord += sign(offset) * SMAA_PIXEL_SIZE;
+        vec4 Cop = textureLod(colorTex, texcoord, 0.0);
+        float s = abs(offset.x) > abs(offset.y)? abs(offset.x) : abs(offset.y);
+
+        // Unpack the velocity values:
+        C.a *= C.a;
+        Cop.a *= Cop.a;
+
+        // Lerp the colors:
+        vec4 Caa = mix(C, Cop, s);
+
+        // Unpack velocity and return the resulting value:
+        Caa.a = sqrt(Caa.a);
+        return Caa;
+        #else
+        // Fetch the opposite color and lerp by hand:
+        vec4 C = textureLod(colorTex, texcoord, 0.0);
+        texcoord += sign(offset) * SMAA_PIXEL_SIZE;
+        vec4 Cop = textureLod(colorTex, texcoord, 0.0);
+        float s = abs(offset.x) > abs(offset.y)? abs(offset.x) : abs(offset.y);
+        return mix(C, Cop, s);
+        #endif
+    }
+}
+
+/* ------------- Header is over -------------- */
+
+uniform sampler2D albedo_tex;
+uniform sampler2D blend_tex;
+in vec2 texcoord;
+in vec4 offset[2];
+in vec4 dummy2;
+void main()
+{
+  gl_FragColor = SMAANeighborhoodBlendingPS(texcoord, offset, albedo_tex, blend_tex);
+}

assets/smaa/neighborhood_vertex.txt

@@ -0,0 +1,65 @@
+#version 410 compatibility
+#define SMAA_PIXEL_SIZE vec2(1.0 / 512.0, 1.0 / 512.0)
+
+#define SMAA_THRESHOLD 0.05
+#define SMAA_MAX_SEARCH_STEPS 32
+#define SMAA_MAX_SEARCH_STEPS_DIAG 16
+#define SMAA_CORNER_ROUNDING 25
+
+
+#ifndef SMAA_DEPTH_THRESHOLD
+#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
+#endif
+
+
+#ifndef SMAA_REPROJECTION
+#define SMAA_REPROJECTION 0
+#endif
+
+#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
+
+
+#ifndef SMAA_AREATEX_MAX_DISTANCE
+#define SMAA_AREATEX_MAX_DISTANCE 16
+#endif
+#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
+#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
+#endif
+#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
+#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
+
+
+/* --- Define section is over ---- */
+
+/**
+ * Neighborhood Blending Vertex Shader
+ */
+void SMAANeighborhoodBlendingVS(vec4 position,
+                                out vec4 svPosition,
+                                inout vec2 texcoord,
+                                out vec4 offset[2]) {
+    svPosition = position;
+
+    offset[0] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-1.0, 0.0, 0.0, -1.0);
+    offset[1] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4( 1.0, 0.0, 0.0,  1.0);
+}
+
+/* ------------- Header is over -------------- */
+
+
+out vec2 texcoord;
+out vec4 offset[2];
+out vec4 dummy2;
+
+attribute vec3 vPosition;
+attribute vec2 vTexCoord;
+uniform mat4 ProjectionMatrix;
+
+
+void main()
+{
+  texcoord = vTexCoord;
+  vec4 dummy1 = vec4(0);
+  SMAANeighborhoodBlendingVS(dummy1, dummy2, texcoord, offset);
+  gl_Position = ProjectionMatrix * vec4(vPosition.xyz, 1.0);
+}

game/main_code.cpp

@@ -12,39 +12,14 @@
 TMyApplication* Application;
 
 
+#define AREATEX_WIDTH 160
+#define AREATEX_HEIGHT 560
+#define SEARCHTEX_WIDTH 66
+#define SEARCHTEX_HEIGHT 33
 
-Matrix3f quatToMatrix(Vector4f q) {
+
-
+GLuint area_tex;
-	Matrix3f result;
+GLuint search_tex;
-
-	double sqw = q(3)*q(3);
-	double sqx = q(0)*q(0);
-	double sqy = q(1)*q(1);
-	double sqz = q(2)*q(2);
-
-	// invs (inverse square length) is only required if quaternion is not already normalised
-	double invs = 1 / (sqx + sqy + sqz + sqw);
-
-	result(0,0) = (sqx - sqy - sqz + sqw)*invs; // since sqw + sqx + sqy + sqz =1/invs*invs
-	result(1,1) = (-sqx + sqy - sqz + sqw)*invs;
-	result(2,2) = (-sqx - sqy + sqz + sqw)*invs;
-
-	double tmp1 = q(0)*q(1);
-	double tmp2 = q(2)*q(3);
-	result(1, 0) = 2.0 * (tmp1 + tmp2)*invs;
-	result(0, 1) = 2.0 * (tmp1 - tmp2)*invs;
-
-	tmp1 = q(0)*q(2);
-	tmp2 = q(1)*q(3);
-	result(2,0) = 2.0 * (tmp1 - tmp2)*invs;
-	result(0,2) = 2.0 * (tmp1 + tmp2)*invs;
-	tmp1 = q(1)*q(2);
-	tmp2 = q(0)*q(3);
-	result(2, 1) = 2.0 * (tmp1 + tmp2)*invs;
-	result(1, 2) = 2.0 * (tmp1 - tmp2)*invs;
-
-	return result;
-}
 
 
 void TMyApplication::InnerInit()
@@ -73,133 +48,131 @@ void TMyApplication::InnerInit()
 	ResourceManager->ShaderManager.AddShader("DefaultShader", "shader1vertex.txt", "shader1fragment.txt");
 	ResourceManager->ShaderManager.AddShader("FrameShader", "frameshader_vertex.txt", "frameshader_fragment.txt");
 	ResourceManager->ShaderManager.AddShader("ColorShader", "color_vertex.txt", "color_fragment.txt");
-	ResourceManager->ShaderManager.AddShader("SSAA_4X", "SSAA_4X.vertex", "SSAA_4X.frag");
+
-	ResourceManager->ShaderManager.AddShader("ParallaxShader", "parallax_vertex.txt", "parallax_fragment.txt");
+
+	ResourceManager->ShaderManager.AddShader("SmaaEdge", "smaa/edge_vertex.txt", "smaa/edge_fragment.txt");
+	ResourceManager->ShaderManager.AddShader("SmaaBlend", "smaa/blend_vertex.txt", "smaa/blend_fragment.txt");
+	ResourceManager->ShaderManager.AddShader("SmaaNeighborhood", "smaa/neighborhood_vertex.txt", "smaa/neighborhood_fragment.txt");
+
 	Renderer->PushShader("DefaultShader");
 
 	ResourceManager->TexList.AddTexture("console_bkg.bmp");
 
-	ResourceManager->TexList.AddTexture("background.jpg");
+	ResourceManager->FrameManager.AddFrameRenderBuffer("AlbedoBuffer", 512, 512);
-	ResourceManager->TexList.AddTexture("HeightMap.png");
+	ResourceManager->FrameManager.AddFrameRenderBuffer("EdgeBuffer", 512, 512);
-	ResourceManager->TexList.AddTexture("NormalMap.png");
+	ResourceManager->FrameManager.AddFrameRenderBuffer("BlendBuffer", 512, 512);
-	ResourceManager->TexList.AddTexture("linesAll.png");
-
-	ResourceManager->FrameManager.AddFrameRenderBuffer("LevelBuffer", 512, 512);
-
-	Vector2f const bottomLeft(-500, -500);
-	float const W = 1000;
-	float const H = 1000;
-
-	Vector2f const backgroundBottomLeft(-1000, -1000);
-	float const backgroundW = 2000;
-	float const backgroundH = 2000;
 	
-	{
+	pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(0, 0, 0));
-		//resolution of background image
+	pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(0, 512, 0));
-		float const imageW = 512;
+	pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(512, 512, 0));
-		float const imageH = 512;
+	pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(0, 0, 0));
-
+	pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(512, 512, 0));
-
+	pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(512, 0, 0));
-		background.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].emplace_back(Vector3f(backgroundBottomLeft[0], 0, backgroundBottomLeft[1]));
-		background.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].emplace_back(Vector3f(backgroundBottomLeft[0], 0, backgroundBottomLeft[1] + backgroundH));
-		background.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].emplace_back(Vector3f(backgroundBottomLeft[0] + backgroundW, 0, backgroundBottomLeft[1] + backgroundH));
-		
-		background.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].emplace_back(Vector3f(backgroundBottomLeft[0] + backgroundW, 0, backgroundBottomLeft[0] + backgroundH));
-		background.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].emplace_back(Vector3f(backgroundBottomLeft[0] + backgroundW, 0, backgroundBottomLeft[0]));
-		background.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].emplace_back(Vector3f(backgroundBottomLeft[0], 0, backgroundBottomLeft[0]));
-
-		float const tw = backgroundW / imageW;
-		float const th = backgroundH / imageH;
-
-		background.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].emplace_back(Vector2f(0, th));
-		background.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].emplace_back(Vector2f(0, 0));
-		background.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].emplace_back(Vector2f(tw, 0));
-		
-		background.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].emplace_back(Vector2f(tw, 0));
-		background.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].emplace_back(Vector2f(tw, th));
-		background.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].emplace_back(Vector2f(0, th));
-
-		background.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].emplace_back(Vector4f(1, 1, 1, 1));
-		background.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].emplace_back(Vector4f(1, 1, 1, 1));
-		background.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].emplace_back(Vector4f(1, 1, 1, 1));
-
-		background.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].emplace_back(Vector4f(1, 1, 1, 1));
-		background.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].emplace_back(Vector4f(1, 1, 1, 1));
-		background.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].emplace_back(Vector4f(1, 1, 1, 1));
 	
-	}
 
-	{
+	//Choose colored or black and white -- Vladislav Khorev vladislav.khorev@fishrungames.com
-		//resolution of linesAll.png
+#if 1
-		float const  texW = 900;
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
-		float const  texH = 900;
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
-
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(0, 1, 0, 1));
-		float const  step = 12;
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(0, 0, 1, 1));
-		float const  thick = 10;
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(0, 0, 1, 1));
-
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(0, 1, 0, 1));
-		auto f = [this, texW, texH, thick, W, H] (const Vector3f &p1, const Vector3f &p2) {
+#else
-			auto pv = p2 - p1;
-			Vector3f ortho(pv[2], 0, pv[0]);
-			ortho.normalize();
-			auto p3 = p2 + ortho * thick;
-			auto p4 = p1 + ortho * thick;
-
-			fabricRender.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(p1);
-			fabricRender.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(p2);
-			fabricRender.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(p3);
-																				
-			fabricRender.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(p3);
-			fabricRender.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(p4);
-			fabricRender.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(p1);
-
-			auto texThick = thick / texW;
-			auto m = (p1[0] + p2[0]) / 2 / texW;
-			auto y = H / texH;
-
-			fabricRender.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(m, 0));
-			fabricRender.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(m, y));
-			fabricRender.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(m + texThick, y));
-																						
-			fabricRender.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(m + texThick, y));
-			fabricRender.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(m + texThick, 0));
-			fabricRender.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(m, 0));
-
-		};
-
-		Vector3f const stepDirection(1, 0, 0);
-		Vector3f p1(bottomLeft[0], 0, -bottomLeft[1]);
-
-		while (p1[0] < bottomLeft[0] + W) {
-
-			auto p2 = p1 - Vector3f(0, 0, W);
-			f(p1, p2);
-
-			auto p3 = p1 + step * stepDirection;
-			f(p3, p2);
-
-			p1 = p3;
-		}
-
-	}
-
-	background.first.ShaderName ="DefaultShader";
-	fabricRender.first.ShaderName = "ParallaxShader";
 	
-	/*
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 1, 1, 1));
-	 *	Line below should be in tes-engine/include/ShaderManager/ShaderManager.h
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 1, 1, 1));
-	 */
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 1, 1, 1));
-	std::string const CONST_STRING_HEIGHTMAP_UNIFORM = "HeightMap";
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(0, 0, 0, 1));
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(0, 0, 0, 1));
+	pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(0, 0, 0, 1));
 
-	background.first.SamplerMap[CONST_STRING_TEXTURE_UNIFORM] = "background.jpg";
+#endif
+	pair.first.ShaderName = "ColorShader";
 
-	fabricRender.first.SamplerMap[CONST_STRING_NORMALMAP_UNIFORM] = "NormalMap.png";
+	pair.second.RefreshBuffer();
-	fabricRender.first.SamplerMap[CONST_STRING_HEIGHTMAP_UNIFORM] = "HeightMap.png";
-	fabricRender.first.SamplerMap[CONST_STRING_TEXTURE_UNIFORM] = "linesAll.png";
 
-	background.second.RefreshBuffer();
+
-	fabricRender.second.RefreshBuffer();
+
+
+	rect.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(0, 0, 0));
+	rect.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(0, 512, 0));
+	rect.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(512, 512, 0));
+	rect.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(512, 512, 0));
+	rect.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(512, 0, 0));
+	rect.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(0, 0, 0));
+
+	rect.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(0, 0));
+	rect.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(0, 1));
+	rect.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(1, 1));
+	rect.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(1, 1));
+	rect.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(1, 0));
+	rect.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(Vector2f(0, 0));
+
+
+	rect.second.RefreshBuffer();
+
+	Renderer->SetOrthoProjection();
+
+	Renderer->SetFullScreenViewport();
 	
+	glDisable(GL_BLEND); //Don't forget to disable blending or whole thing will not work!!! -- Vladislav Khorev vladislav.khorev@fishrungames.com
+
 	Inited = true;
+
+
+
+
+	//This is stuff from original https://github.com/scrawl/smaa-opengl
+	//We must have these textures to be used for pattern matching or something -- Vladislav Khorev vladislav.khorev@fishrungames.com
+
+	unsigned char* buffer = 0;
+	FILE* f = 0;
+
+	buffer = new unsigned char[1024 * 1024];
+	f = fopen((ST::PathToResources + "smaa/smaa_area.raw").c_str(), "rb"); //rb stands for "read binary file"
+
+	if (!f)
+	{
+		std::cerr << "Couldn't open smaa_area.raw.\n";
+	}
+
+	fread(buffer, AREATEX_WIDTH * AREATEX_HEIGHT * 2, 1, f);
+	fclose(f);
+
+	f = 0;
+
+	glGenTextures(1, &area_tex);
+	glBindTexture(GL_TEXTURE_2D, area_tex);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, (GLsizei)AREATEX_WIDTH, (GLsizei)AREATEX_HEIGHT, 0, GL_RG, GL_UNSIGNED_BYTE, buffer);
+
+	f = fopen((ST::PathToResources + "smaa/smaa_search.raw").c_str(), "rb");
+
+	if (!f)
+	{
+		std::cerr << "Couldn't open smaa_search.raw.\n";
+	}
+
+	fread(buffer, SEARCHTEX_WIDTH * SEARCHTEX_HEIGHT, 1, f);
+	fclose(f);
+
+	f = 0;
+
+	glGenTextures(1, &search_tex);
+	glBindTexture(GL_TEXTURE_2D, search_tex);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, (GLsizei)SEARCHTEX_WIDTH, (GLsizei)SEARCHTEX_HEIGHT, 0, GL_RED, GL_UNSIGNED_BYTE, buffer);
+
+	delete[] buffer;
+
+
 }
 
 void TMyApplication::InnerDeinit()
@@ -211,6 +184,9 @@ void TMyApplication::InnerDeinit()
         *Console<<"APP DEINIT\n";
     }
 
+	glDeleteTextures(1, &search_tex);
+	glDeleteTextures(1, &area_tex);
+
 }
 
 void TMyApplication::InnerOnTapDown(Vector2f p)
@@ -230,109 +206,133 @@ void TMyApplication::InnerOnTapUpAfterMove(Vector2f p)
 
 void TMyApplication::InnerOnMove(Vector2f p, Vector2f shift)
 {
-	phi += shift(1)*0.02f;
 
-	if (phi < pi/12)
-	{
-		phi = pi / 12;
-	}
-
-	if (phi > pi / 2)
-	{
-		phi = pi / 2;
-	}
-
-	alpha -= shift(0)*0.02f;
 }
 	
 void TMyApplication::OnFling(Vector2f v) 
 {
 }
 
-void TMyApplication::OnMouseWheel(short int delta)
-{
-	distance += delta;
-
-	if (distance > 2500)
-	{
-		distance = 2500;
-	}
-
-	if (distance < 100)
-	{
-		distance = 100;
-	}
-}
 	
 void TMyApplication::InnerDraw()
 {
 
-	Renderer->SetPerspectiveProjection(pi / 6, 10.f, 10000.f);
+	//Render the frame
+	Renderer->SwitchToFrameBuffer("AlbedoBuffer");
+	Renderer->SetProjectionMatrix(512.f, 512.f);
 
-	Renderer->SetFullScreenViewport();
+	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
-
-	Renderer->PushMatrix();
-
-	Renderer->TranslateMatrix(Vector3f(0, 0, -distance));
-
-	Vector4f quat1 = Vector4f(sin(phi / 2), 0, 0, cos(phi / 2));
-	Vector4f quat2 = Vector4f(0, sin(alpha / 2), 0, cos(alpha / 2));
-
-
-	Renderer->RotateMatrix(quat1);
-
-	Renderer->RotateMatrix(quat2);
-
-
-	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 	glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
-	glDisable(GL_DEPTH_TEST);
+	CheckGlError("");
+
+
+	{
+		//Render here all objects that you want to have -- Vladislav Khorev vladislav.khorev@fishrungames.com
+		TRenderParamsSetter params(pair.first);
+		Renderer->DrawTriangleList(pair.second);
+	}
 
 	CheckGlError("");
 
-	auto mat1 = quatToMatrix(quat1);
 
-	auto mat2 = quatToMatrix(quat2);
+	//-------------------------
+	//First pass - edge detection
 
-	Vector3f lightPos = {0.f, 1.f, 1.f};
+	Renderer->PushShader("SmaaEdge");
-
-	Vector3f eye = mat2 * mat1 * Vector3f(0.0f, 0.f, -distance);
-
-	{
-		TRenderParamsSetter params(background.first);
-
-		RenderUniform3fv("eye", eye.data());
-		RenderUniform3fv("lightPos", lightPos.data());
-
-		Matrix3f normMatrix = Renderer->GetModelviewMatrix().inverse().transpose().block<3, 3>(0, 0);
-
-		RenderUniformMatrix3fv("NormalMatrix", false, normMatrix.data());
-		RenderUniformMatrix4fv("ModelViewMatrix", false, Renderer->GetModelviewMatrix().data());
-		RenderUniformMatrix3fv("ModelViewMatrix3x3", false, Renderer->GetModelviewMatrix().block<3, 3>(0, 0).data());
-
-		Renderer->DrawTriangleList(background.second);
-	}
-	{
-		TRenderParamsSetter params(fabricRender.first);
-
-		RenderUniform3fv("eye", eye.data());
-		RenderUniform3fv("lightPos", lightPos.data());
-
-		Matrix3f normMatrix = Renderer->GetModelviewMatrix().inverse().transpose().block<3,3>(0,0);
-		
-		RenderUniformMatrix3fv("NormalMatrix", false, normMatrix.data());
-		RenderUniformMatrix4fv("ModelViewMatrix", false, Renderer->GetModelviewMatrix().data());
-		RenderUniformMatrix3fv("ModelViewMatrix3x3", false, Renderer->GetModelviewMatrix().block<3,3>(0,0).data());
-
-		Renderer->DrawTriangleList(fabricRender.second);		
-	}
 
 
-	Renderer->PopMatrix();
+	Renderer->SwitchToFrameBuffer("EdgeBuffer");
+	Renderer->SetProjectionMatrix(512.f, 512.f);
+
+	RenderUniform1i("albedo_tex", 0);
+
+	glActiveTexture(GL_TEXTURE0);
+	glBindTexture(GL_TEXTURE_2D, ResourceManager->FrameManager.GetFrameTexture("AlbedoBuffer"));
+
+
+	Renderer->DrawTriangleList(rect.second);
+
+	Renderer->PopShader();
+
+	CheckGlError("");
+
+
+	//-------------------------
+	//Second pass - blend plus pattern matching
+	
+	Renderer->PushShader("SmaaBlend");
+
+	Renderer->SwitchToFrameBuffer("BlendBuffer");
+	Renderer->SetProjectionMatrix(512.f, 512.f);
+	glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
+
+	RenderUniform1i("edge_tex", 0);
+	RenderUniform1i("area_tex", 1);
+	RenderUniform1i("search_tex", 2);
+
+	glActiveTexture(GL_TEXTURE0);
+	glBindTexture(GL_TEXTURE_2D, ResourceManager->FrameManager.GetFrameTexture("EdgeBuffer"));
+
+	glActiveTexture(GL_TEXTURE1);
+	glBindTexture(GL_TEXTURE_2D, area_tex);
+
+	glActiveTexture(GL_TEXTURE2);
+	glBindTexture(GL_TEXTURE_2D, search_tex);
+
+	Renderer->DrawTriangleList(rect.second);
+
+	Renderer->PopShader();
 
 	CheckGlError("");
 	
+#if 1
+	//-------------------------
+	//Last pass - neightborhood
+	
+	Renderer->PushShader("SmaaNeighborhood");
 
+	Renderer->SwitchToScreen();
+	Renderer->SetFullScreenViewport();
+	Renderer->SetProjectionMatrix(512.f, 512.f);
+	glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
+
+	RenderUniform1i("albedo_tex", 0);
+	RenderUniform1i("blend_tex", 1);
+
+	glActiveTexture(GL_TEXTURE1);
+	glBindTexture(GL_TEXTURE_2D, ResourceManager->FrameManager.GetFrameTexture("BlendBuffer"));
+
+	glActiveTexture(GL_TEXTURE0);
+	glBindTexture(GL_TEXTURE_2D, ResourceManager->FrameManager.GetFrameTexture("AlbedoBuffer"));
+	Renderer->DrawTriangleList(rect.second);
+
+	Renderer->PopShader();
+
+	CheckGlError("");
+#else
+
+
+	//... or just render intermediate buffers to see what is going on
+	Renderer->PushShader("DefaultShader");
+	Renderer->SwitchToScreen();
+	Renderer->SetFullScreenViewport();
+	Renderer->SetProjectionMatrix(512.f, 512.f);
+
+
+	glActiveTexture(GL_TEXTURE0);
+
+	//Choose any to render for debug:
+	//glBindTexture(GL_TEXTURE_2D, ResourceManager->FrameManager.GetFrameTexture("AlbedoBuffer"));
+	//glBindTexture(GL_TEXTURE_2D, ResourceManager->FrameManager.GetFrameTexture("EdgeBuffer"));
+	glBindTexture(GL_TEXTURE_2D, ResourceManager->FrameManager.GetFrameTexture("BlendBuffer"));
+
+	Renderer->DrawTriangleList(rect.second);
+
+	Renderer->PopShader();
+
+	CheckGlError("");
+#endif
+	
 }
 
 

game/main_code.h

@@ -33,8 +33,8 @@ protected:
 	bool Inited;
 
 public:
-	TRenderPair fabricRender;
+	TRenderPair pair;
-	TRenderPair background;
+	TRenderPair rect;
 
 	bool Loaded;
 
@@ -63,14 +63,6 @@ public:
 
 	virtual void OnFling(Vector2f v);
 
-	virtual void OnMouseWheel(short int delta);
-
-
-	float distance = 2000;
-
-	float alpha = 0;
-
-	float phi = pi / 6;
 };
 
 

windows/DoubleHitBalls-win/DoubleHitBalls-win/DoubleHitBalls-win.vcxproj.filters

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Файлы исходного кода">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Заголовочные файлы">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Файлы ресурсов">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main.cpp">
+      <Filter>Файлы исходного кода</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\game\main_code.cpp">
+      <Filter>Файлы исходного кода</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="main.h">
+      <Filter>Заголовочные файлы</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\game\main_code.h">
+      <Filter>Заголовочные файлы</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>