Fix shadercode

This commit is contained in:
Felix Koppe
2024-12-06 13:14:54 +01:00
parent 76f86c8a66
commit acd64d1507
6 changed files with 98 additions and 123 deletions

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@@ -1,7 +1,8 @@
#version 150
// Samplers for textures
uniform sampler2D m_Texture;
uniform sampler2D m_OutlineDepthTexture;
uniform sampler2D m_DepthTexture;
// Input texture coordinates from the vertex shader
in vec2 texCoord;
@@ -15,26 +16,25 @@ uniform float m_OutlineWidth;
out vec4 fragColor;
void main() {
// Sample depth textures
// Sample depth textures at various offsets
vec4 depth = texture(m_OutlineDepthTexture, texCoord);
vec4 depth1 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(m_OutlineWidth, m_OutlineWidth)) / m_Resolution);
vec4 depth2 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(m_OutlineWidth, -m_OutlineWidth)) / m_Resolution);
vec4 depth3 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(-m_OutlineWidth, m_OutlineWidth)) / m_Resolution);
vec4 depth4 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(-m_OutlineWidth, -m_OutlineWidth)) / m_Resolution);
vec4 depth5 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(0.0, m_OutlineWidth)) / m_Resolution);
vec4 depth6 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(0.0, -m_OutlineWidth)) / m_Resolution);
vec4 depth7 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(m_OutlineWidth, 0.0)) / m_Resolution);
vec4 depth8 = texture(m_OutlineDepthTexture, ((texCoord * m_Resolution) + vec2(-m_OutlineWidth, 0.0)) / m_Resolution);
vec4 depth1 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(m_OutlineWidth, m_OutlineWidth)) / m_Resolution);
vec4 depth2 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(m_OutlineWidth, -m_OutlineWidth)) / m_Resolution);
vec4 depth3 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-m_OutlineWidth, m_OutlineWidth)) / m_Resolution);
vec4 depth4 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-m_OutlineWidth, -m_OutlineWidth)) / m_Resolution);
vec4 depth5 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(0.0, m_OutlineWidth)) / m_Resolution);
vec4 depth6 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(0.0, -m_OutlineWidth)) / m_Resolution);
vec4 depth7 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(m_OutlineWidth, 0.0)) / m_Resolution);
vec4 depth8 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-m_OutlineWidth, 0.0)) / m_Resolution);
// Sample the main texture
vec4 color = texture(m_Texture, texCoord);
// Determine whether to apply the outline color
if (depth == vec4(0.0) &&
(depth1 != depth || depth2 != depth || depth3 != depth || depth4 != depth ||
depth5 != depth || depth6 != depth || depth7 != depth || depth8 != depth)) {
fragColor = m_OutlineColor; // Apply outline color
} else {
fragColor = color; // Use the original texture color
}
// Check if an outline should be applied
bool isEdge = (depth == vec4(0.0)) &&
(depth1 != depth || depth2 != depth || depth3 != depth || depth4 != depth ||
depth5 != depth || depth6 != depth || depth7 != depth || depth8 != depth);
// Output the final color
fragColor = isEdge ? m_OutlineColor : color;
}

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@@ -1,11 +1,12 @@
#version 150
// Use 'in' instead of 'varying' for inputs from the vertex shader
// Input texture coordinates from the vertex shader
in vec2 texCoord;
// Declare a custom output variable for the fragment color
// Output variable for the fragment color
out vec4 fragColor;
// Uniform samplers
// Uniform samplers for textures
uniform sampler2D m_Texture;
uniform sampler2D m_NormalsTexture;
uniform sampler2D m_DepthTexture;
@@ -13,6 +14,7 @@ uniform sampler2D m_DepthTexture;
void main() {
// Sample the texture at the given texture coordinates
vec4 color = texture(m_Texture, texCoord);
// Assign the color to the output variable
fragColor = color;
}

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@@ -1,109 +1,80 @@
#version 150
// Uniform samplers
uniform sampler2D m_Texture;
uniform sampler2D m_OutlineDepthTexture;
uniform sampler2D m_DepthTexture;
varying vec2 texCoord;
// Input texture coordinates from the vertex shader
in vec2 texCoord;
// Uniforms for resolution, outline color, and width
uniform vec2 m_Resolution;
uniform vec4 m_OutlineColor;
uniform float m_OutlineWidth;
// Output variable for fragment color
out vec4 fragColor;
void main() {
vec4 depth = texture2D(m_OutlineDepthTexture, texCoord);
vec4 depth1 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(m_OutlineWidth,m_OutlineWidth))/m_Resolution);
vec4 depth2 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(m_OutlineWidth,-m_OutlineWidth))/m_Resolution);
vec4 depth3 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(-m_OutlineWidth,m_OutlineWidth))/m_Resolution);
vec4 depth4 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(-m_OutlineWidth,-m_OutlineWidth))/m_Resolution);
vec4 depth5 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(0.,m_OutlineWidth))/m_Resolution);
vec4 depth6 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(0.,-m_OutlineWidth))/m_Resolution);
vec4 depth7 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(m_OutlineWidth,0.))/m_Resolution);
vec4 depth8 = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(-m_OutlineWidth,0.))/m_Resolution);
vec4 color = texture2D(m_Texture, texCoord);
//如果是背景
float ratio=0.;
if(depth==vec4(0.) && (depth1 != depth || depth2 != depth || depth3 != depth || depth4 != depth||depth5 != depth || depth6 != depth || depth7 != depth || depth8 != depth)){
float dist=m_OutlineWidth;
//距离边的像素
vec4 nearDepth;
if(depth1 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(i,i))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}else
if(depth2 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(i,-i))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}else
if(depth3 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(-i,i))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}else
if(depth4 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(-i,-i))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}else
if(depth5 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(0.,i))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}else
if(depth6 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(0.,-i))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}else
if(depth7 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(i,0.))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}else
if(depth8 != depth){
for(float i=0.;i<m_OutlineWidth;i++){
nearDepth = texture2D(m_OutlineDepthTexture, ((texCoord*m_Resolution)+vec2(-i,0.))/m_Resolution);
if(nearDepth != depth){
dist = i;
break;
}
}
}
//0:场景颜色 1:outline颜色
ratio = clamp(1.- dist/m_OutlineWidth,0.,1.);
//float off = (1.-ratio*ratio)*(1.-ratio*ratio);
gl_FragColor = color*(1.-ratio) +m_OutlineColor*ratio;
//gl_FragColor = m_OutlineColor;
}else{
gl_FragColor = color;
}
//debug
//gl_FragColor = vec4(0.,(1.-ratio),0.,1.);
}
vec4 depth = texture(m_OutlineDepthTexture, texCoord);
vec4 depth1 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(m_OutlineWidth, m_OutlineWidth)) / m_Resolution);
vec4 depth2 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(m_OutlineWidth, -m_OutlineWidth)) / m_Resolution);
vec4 depth3 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-m_OutlineWidth, m_OutlineWidth)) / m_Resolution);
vec4 depth4 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-m_OutlineWidth, -m_OutlineWidth)) / m_Resolution);
vec4 depth5 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(0.0, m_OutlineWidth)) / m_Resolution);
vec4 depth6 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(0.0, -m_OutlineWidth)) / m_Resolution);
vec4 depth7 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(m_OutlineWidth, 0.0)) / m_Resolution);
vec4 depth8 = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-m_OutlineWidth, 0.0)) / m_Resolution);
vec4 color = texture(m_Texture, texCoord);
float ratio = 0.0;
if (depth == vec4(0.0) &&
(depth1 != depth || depth2 != depth || depth3 != depth || depth4 != depth ||
depth5 != depth || depth6 != depth || depth7 != depth || depth8 != depth)) {
float dist = m_OutlineWidth;
vec4 nearDepth;
// Iterate to find the distance to the nearest edge
for (float i = 0.0; i < m_OutlineWidth; i++) {
if (depth1 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(i, i)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
} else if (depth2 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(i, -i)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
} else if (depth3 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-i, i)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
} else if (depth4 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-i, -i)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
} else if (depth5 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(0.0, i)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
} else if (depth6 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(0.0, -i)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
} else if (depth7 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(i, 0.0)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
} else if (depth8 != depth) {
nearDepth = texture(m_OutlineDepthTexture, (texCoord * m_Resolution + vec2(-i, 0.0)) / m_Resolution);
if (nearDepth != depth) { dist = i; break; }
}
}
// Calculate ratio for outline blending
ratio = clamp(1.0 - dist / m_OutlineWidth, 0.0, 1.0);
// Blend the outline color with the base color
fragColor = color * (1.0 - ratio) + m_OutlineColor * ratio;
} else {
// No outline, use the base texture color
fragColor = color;
}
// Optional: Debugging outline visualization
// fragColor = vec4(0.0, 1.0 - ratio, 0.0, 1.0);
}

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@@ -1,8 +1,10 @@
// Use 'in' for vertex attributes
#version 150
// Vertex attributes
in vec4 inPosition;
in vec2 inTexCoord;
// Use 'out' for passing data to the fragment shader
// Output to fragment shader
out vec2 texCoord;
void main() {