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Good looking blur, need some fixes, but framerates takes a huge hit.

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Tleety
2016-02-09 16:19:17 +01:00
parent a33cd42ca3
commit 64e7bb1e94
9 changed files with 220 additions and 24 deletions
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resources/Shaders/Gaussian_both.frag.glsl
+36
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#version 430
#extension GL_EXT_gpu_shader4 : enable
uniform int MipMapLevel;
uniform bool Horizontal;
uniform vec2 ScreenSize[5];
layout (binding = 0) uniform sampler2D Texture;
in VertexData{
vec2 TextureCoordinate;
}Input;
out vec4 fragmentColor;
uniform float offset[3] = float[]( 0.0, 1.3846153846, 3.2307692308 );
uniform float weight[5] = float[]( 0.2270270270, 0.1945945946, 0.1216216216, 0.0540540541, 0.0162162162 );
void main()
{
//vec2 tex_offset = 1.0 / textureSize2D(Texture, 0);
vec3 result = textureLod(Texture, vec2(gl_FragCoord)/ScreenSize[0], MipMapLevel ).rgb * weight[0];
if(Horizontal) {
for( int i = 1; i<3; i++) {
result += textureLod( Texture, Input.TextureCoordinate + vec2(offset[i], 0.0), MipMapLevel ).rgb * weight[i];
result += textureLod( Texture, Input.TextureCoordinate - vec2(offset[i], 0.0), MipMapLevel ).rgb * weight[i];
}
} else {
for( int i = 1; i<3; i++) {
result += textureLod( Texture, Input.TextureCoordinate + vec2(0.0, offset[i]), MipMapLevel ).rgb * weight[i];
result += textureLod( Texture, Input.TextureCoordinate - vec2(0.0, offset[i]), MipMapLevel ).rgb * weight[i];
}
}
fragmentColor = vec4(result, 1.0);
}
resources/Shaders/Gaussian_both.vert.glsl
+13
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#version 430
layout (location = 0) in vec3 Position;
out VertexData{
vec2 TextureCoordinate;
}Output;
void main()
{
gl_Position = vec4(Position, 1.0);
Output.TextureCoordinate = (vec2(Position) + 1) / 2;
}
resources/Shaders/Gaussian_horiz.frag.glsl
+7 -3
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@@ -1,6 +1,7 @@
#version 430
#extension GL_EXT_gpu_shader4 : enable
uniform int MipMapLevel;
layout (binding = 0) uniform sampler2D Texture;
in VertexData{
@@ -14,11 +15,14 @@ uniform float weight[5] = float[](0.227027, 0.1945946, 0.1216216, 0.054054, 0.01
void main()
{
vec2 tex_offset = 1.0 / textureSize2D(Texture, 0);
vec3 result = texture(Texture, Input.TextureCoordinate).rgb * weight[0];
vec3 result = textureLod(Texture, Input.TextureCoordinate, MipMapLevel).rgb * weight[0];
//vec3 result = texture(Texture, Input.TextureCoordinate).rgb * weight[0];
for(int i = 1; i < 5; ++i) {
result += texture(Texture, Input.TextureCoordinate + vec2(tex_offset.x * i, 0.0)).rgb * weight[i];
result += texture(Texture, Input.TextureCoordinate - vec2(tex_offset.x * i, 0.0)).rgb * weight[i];
result += textureLod(Texture, Input.TextureCoordinate + vec2(tex_offset.x * i, 0.0), MipMapLevel).rgb * weight[i];
result += textureLod(Texture, Input.TextureCoordinate - vec2(tex_offset.x * i, 0.0), MipMapLevel).rgb * weight[i];
//result += texture(Texture, Input.TextureCoordinate + vec2(tex_offset.x * i, 0.0)).rgb * weight[i];
//result += texture(Texture, Input.TextureCoordinate - vec2(tex_offset.x * i, 0.0)).rgb * weight[i];
}
fragmentColor = vec4(result, 1.0);
}
resources/Shaders/Gaussian_vert.frag.glsl
+7 -3
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@@ -1,6 +1,7 @@
#version 430
#extension GL_EXT_gpu_shader4 : enable
uniform int MipMapLevel;
layout (binding = 0) uniform sampler2D Texture;
in VertexData{
@@ -14,11 +15,14 @@ uniform float weight[5] = float[](0.227027, 0.1945946, 0.1216216, 0.054054, 0.01
void main()
{
vec2 tex_offset = 1.0 / textureSize2D(Texture, 0);
vec3 result = texture(Texture, Input.TextureCoordinate).rgb * weight[0];
//vec3 result = texture(Texture, Input.TextureCoordinate).rgb * weight[0];
vec3 result = textureLod(Texture, Input.TextureCoordinate, MipMapLevel).rgb * weight[0];
for(int i = 1; i < 5; ++i) {
result += texture(Texture, Input.TextureCoordinate + vec2(0.0, tex_offset.y * i)).rgb * weight[i];
result += texture(Texture, Input.TextureCoordinate - vec2(0.0, tex_offset.y * i)).rgb * weight[i];
result += textureLod(Texture, Input.TextureCoordinate + vec2(0.0, tex_offset.y * i), MipMapLevel).rgb * weight[i];
result += textureLod(Texture, Input.TextureCoordinate - vec2(0.0, tex_offset.y * i), MipMapLevel).rgb * weight[i];
//result += texture(Texture, Input.TextureCoordinate + vec2(0.0, tex_offset.y * i)).rgb * weight[i];
//result += texture(Texture, Input.TextureCoordinate - vec2(0.0, tex_offset.y * i)).rgb * weight[i];
}
fragmentColor = vec4(result, 1.0);
}
resources/Shaders/TextureCombine.frag.glsl
+21
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#version 430
layout (binding = 0) uniform sampler2D Texture0;
layout (binding = 1) uniform sampler2D Texture1;
in VertexData{
vec2 TextureCoordinate;
}Input;
out vec4 fragmentColor;
void main()
{
vec4 texel0 = texture(Texture0, Input.TextureCoordinate);
vec4 texel1 = texture(Texture1, Input.TextureCoordinate);
fragmentColor = texel0 + texel1;
//fragmentColor = vec4(1,0.5,0.7,1);
}
resources/Shaders/TextureCombine.vert.glsl
+13
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#version 430
layout (location = 0) in vec3 Position;
out VertexData{
vec2 TextureCoordinate;
}Output;
void main()
{
gl_Position = vec4(Position, 1.0);
Output.TextureCoordinate = (vec2(Position) + 1) / 2;
}