diff options
Diffstat (limited to 'src/datavisualization/engine/shaders')
12 files changed, 49 insertions, 99 deletions
diff --git a/src/datavisualization/engine/shaders/colorOnY.frag b/src/datavisualization/engine/shaders/colorOnY.frag index caea959b..8c610cd7 100644 --- a/src/datavisualization/engine/shaders/colorOnY.frag +++ b/src/datavisualization/engine/shaders/colorOnY.frag @@ -6,6 +6,7 @@ uniform highp float ambientStrength; uniform sampler2D textureSampler; uniform highp float gradMin; uniform highp float gradHeight; +uniform highp vec3 lightColor; varying highp vec3 position_wrld; varying highp vec3 normal_cmr; @@ -16,8 +17,8 @@ varying highp vec2 coords_mdl; void main() { highp vec2 gradientUV = vec2(0.0, gradMin + ((coords_mdl.y + 1.0) * gradHeight)); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp float distance = length(lightPosition_wrld - position_wrld); highp vec3 n = normalize(normal_cmr); diff --git a/src/datavisualization/engine/shaders/colorOnY_ES2.frag b/src/datavisualization/engine/shaders/colorOnY_ES2.frag index bb6e28c7..5b553562 100644 --- a/src/datavisualization/engine/shaders/colorOnY_ES2.frag +++ b/src/datavisualization/engine/shaders/colorOnY_ES2.frag @@ -4,6 +4,7 @@ uniform highp float ambientStrength; uniform sampler2D textureSampler; uniform highp float gradMin; uniform highp float gradHeight; +uniform highp vec3 lightColor; varying highp vec3 position_wrld; varying highp vec3 normal_cmr; @@ -14,8 +15,8 @@ varying highp vec2 coords_mdl; void main() { highp vec2 gradientUV = vec2(0.0, gradMin + ((coords_mdl.y + 1.0) * gradHeight)); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp float distance = length(lightPosition_wrld - position_wrld); highp vec3 n = normalize(normal_cmr); diff --git a/src/datavisualization/engine/shaders/default.frag b/src/datavisualization/engine/shaders/default.frag index fba1ce4a..ca6fefb9 100644 --- a/src/datavisualization/engine/shaders/default.frag +++ b/src/datavisualization/engine/shaders/default.frag @@ -11,11 +11,12 @@ uniform highp vec3 lightPosition_wrld; uniform highp vec3 color_mdl; uniform highp float lightStrength; uniform highp float ambientStrength; +uniform highp vec3 lightColor; void main() { highp vec3 materialDiffuseColor = color_mdl.rgb; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp float distance = length(lightPosition_wrld - position_wrld); diff --git a/src/datavisualization/engine/shaders/default_ES2.frag b/src/datavisualization/engine/shaders/default_ES2.frag index 7d6214b2..bc5c18b6 100644 --- a/src/datavisualization/engine/shaders/default_ES2.frag +++ b/src/datavisualization/engine/shaders/default_ES2.frag @@ -9,11 +9,12 @@ uniform highp vec3 lightPosition_wrld; uniform highp vec3 color_mdl; uniform highp float lightStrength; uniform highp float ambientStrength; +uniform highp vec3 lightColor; void main() { highp vec3 materialDiffuseColor = color_mdl.rgb; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp float distance = length(lightPosition_wrld - position_wrld); diff --git a/src/datavisualization/engine/shaders/shadow.frag b/src/datavisualization/engine/shaders/shadow.frag index 5309b5bb..e2286dc5 100644 --- a/src/datavisualization/engine/shaders/shadow.frag +++ b/src/datavisualization/engine/shaders/shadow.frag @@ -5,6 +5,7 @@ uniform highp float ambientStrength; uniform highp float shadowQuality; uniform highp sampler2D textureSampler; uniform highp sampler2DShadow shadowMap; +uniform highp vec3 lightColor; varying highp vec4 shadowCoord; varying highp vec2 UV; @@ -30,16 +31,10 @@ highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), vec2(0.19984126, 0.78641367), vec2(0.14383161, -0.14100790)); -/*float random(vec3 seed, int i) { - vec4 seed4 = vec4(seed, i); - float dot_product = dot(seed4, vec4(12.9898, 78.233, 45.164, 94.673)); - return fract(sin(dot_product) * 43758.5453); -}*/ - void main() { highp vec3 materialDiffuseColor = texture2D(textureSampler, UV).rgb; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(0.2, 0.2, 0.2); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor * 0.2; highp vec3 n = normalize(normal_cmr); highp vec3 l = normalize(lightDirection_cmr); @@ -54,10 +49,7 @@ void main() { vec4 shadCoords = shadowCoord; shadCoords.z -= bias; - // adjust shadow strength by increasing the multiplier and lowering the addition (their sum must be 1) - // direct method; needs large shadow texture to look good - //highp float visibility = 0.75 * shadow2DProj(shadowMap, shadCoords).r + 0.25; - // poisson disk sampling; smoothes edges + highp float visibility = 0.6; for (int i = 0; i < 15; i++) { vec4 shadCoordsPD = shadCoords; @@ -65,18 +57,11 @@ void main() { shadCoordsPD.y += sin(poissonDisk[i].y) / shadowQuality; visibility += 0.025 * shadow2DProj(shadowMap, shadCoordsPD).r; } - // stratified poisson; produces noise but hides pixel edges well - /*for (int i = 0; i < 15; i++) { - vec4 shadCoordsPD = shadCoords; - int index = int(16.0 * random(gl_FragCoord.xyy, i)); - shadCoordsPD.xy += poissonDisk[index] / 150.0; - visibility += 0.05 * shadow2DProj(shadowMap, shadCoordsPD).r; - } - */ gl_FragColor.rgb = - visibility * (materialAmbientColor + + (materialAmbientColor + materialDiffuseColor * lightStrength * cosTheta + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); gl_FragColor.a = texture2D(textureSampler, UV).a; + gl_FragColor.rgb = visibility * clamp(gl_FragColor.rgb, 0.0, 1.0); } diff --git a/src/datavisualization/engine/shaders/shadowNoTex.frag b/src/datavisualization/engine/shaders/shadowNoTex.frag index 0252ba49..d54efea9 100644 --- a/src/datavisualization/engine/shaders/shadowNoTex.frag +++ b/src/datavisualization/engine/shaders/shadowNoTex.frag @@ -5,6 +5,7 @@ uniform highp float ambientStrength; uniform highp float shadowQuality; uniform highp vec3 color_mdl; uniform highp sampler2DShadow shadowMap; +uniform highp vec3 lightColor; varying highp vec4 shadowCoord; varying highp vec3 position_wrld; @@ -29,33 +30,10 @@ highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), vec2(0.19984126, 0.78641367), vec2(0.14383161, -0.14100790)); -/*highp vec2 poissonDisk[16] = vec2[16](vec2(-0.25, -0.25), - vec2(0.25, -0.25), - vec2(-0.25, 0.25), - vec2(0.25, 0.25), - vec2(-0.5, -0.5), - vec2(0.5, -0.5), - vec2(-0.5, 0.5), - vec2(0.5, 0.5), - vec2(-0.75, -0.75), - vec2(0.75, -0.75), - vec2(-0.75, 0.75), - vec2(0.75, 0.75), - vec2(-1.0, -1.0), - vec2(1.0, -1.0), - vec2(-1.0, 1.0), - vec2(1.0, 1.0));*/ - -/*float random(vec3 seed, int i) { - vec4 seed4 = vec4(seed, i); - float dot_product = dot(seed4, vec4(12.9898, 78.233, 45.164, 94.673)); - return fract(sin(dot_product) * 43758.5453); -}*/ - void main() { highp vec3 materialDiffuseColor = color_mdl.rgb; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp vec3 n = normalize(normal_cmr); highp vec3 l = normalize(lightDirection_cmr); @@ -70,10 +48,7 @@ void main() { vec4 shadCoords = shadowCoord; shadCoords.z -= bias; - // adjust shadow strength by increasing the multiplier and lowering the addition (their sum must be 1) - // direct method; needs large shadow texture to look good - //highp float visibility = 0.75 * shadow2DProj(shadowMap, shadCoords).r + 0.25; - // poisson disk sampling; smoothes edges + highp float visibility = 0.6; for (int i = 0; i < 15; i++) { vec4 shadCoordsPD = shadCoords; @@ -81,18 +56,11 @@ void main() { shadCoordsPD.y += sin(poissonDisk[i].y) / shadowQuality; visibility += 0.025 * shadow2DProj(shadowMap, shadCoordsPD).r; } - // stratified poisson; produces noise but hides pixel edges well - /*for (int i = 0; i < 15; i++) { - vec4 shadCoordsPD = shadCoords; - int index = int(16.0 * random(gl_FragCoord.xyy, i)); - shadCoordsPD.xy += poissonDisk[index] / 150.0; - visibility += 0.05 * shadow2DProj(shadowMap, shadCoordsPD).r; - } - */ gl_FragColor.rgb = - visibility * (materialAmbientColor + + (materialAmbientColor + materialDiffuseColor * lightStrength * cosTheta + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); gl_FragColor.a = 1.0; + gl_FragColor.rgb = visibility * clamp(gl_FragColor.rgb, 0.0, 1.0); } diff --git a/src/datavisualization/engine/shaders/shadowNoTexColorOnY.frag b/src/datavisualization/engine/shaders/shadowNoTexColorOnY.frag index 9882cd92..e986a52a 100644 --- a/src/datavisualization/engine/shaders/shadowNoTexColorOnY.frag +++ b/src/datavisualization/engine/shaders/shadowNoTexColorOnY.frag @@ -7,6 +7,7 @@ uniform highp sampler2DShadow shadowMap; uniform sampler2D textureSampler; uniform highp float gradMin; uniform highp float gradHeight; +uniform highp vec3 lightColor; varying highp vec4 shadowCoord; varying highp vec3 position_wrld; @@ -32,17 +33,11 @@ highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), vec2(0.19984126, 0.78641367), vec2(0.14383161, -0.14100790)); -/*float random(vec3 seed, int i) { - vec4 seed4 = vec4(seed, i); - float dot_product = dot(seed4, vec4(12.9898, 78.233, 45.164, 94.673)); - return fract(sin(dot_product) * 43758.5453); -}*/ - void main() { highp vec2 gradientUV = vec2(0.0, gradMin + ((coords_mdl.y + 1.0) * gradHeight)); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp vec3 n = normalize(normal_cmr); highp vec3 l = normalize(lightDirection_cmr); @@ -57,10 +52,7 @@ void main() { vec4 shadCoords = shadowCoord; shadCoords.z -= bias; - // adjust shadow strength by increasing the multiplier and lowering the addition (their sum must be 1) - // direct method; needs large shadow texture to look good - //highp float visibility = 0.75 * shadow2DProj(shadowMap, shadCoords).r + 0.25; - // poisson disk sampling; smoothes edges + highp float visibility = 0.6; for (int i = 0; i < 15; i++) { vec4 shadCoordsPD = shadCoords; @@ -68,17 +60,11 @@ void main() { shadCoordsPD.y += sin(poissonDisk[i].y) / shadowQuality; visibility += 0.025 * shadow2DProj(shadowMap, shadCoordsPD).r; } - /*for (int i = 0; i < 15; i++) { - vec4 shadCoordsPD = shadCoords; - int index = int(16.0 * random(gl_FragCoord.xyy, i)); - shadCoordsPD.xy += poissonDisk[index] / 150.0; - visibility += 0.05 * shadow2DProj(shadowMap, shadCoordsPD).r; - }*/ gl_FragColor.rgb = - visibility * (materialAmbientColor + + (materialAmbientColor + materialDiffuseColor * lightStrength * cosTheta + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); - gl_FragColor.rgb = clamp(gl_FragColor.rgb, 0.0, 1.0); gl_FragColor.a = 1.0; + gl_FragColor.rgb = visibility * clamp(gl_FragColor.rgb, 0.0, 1.0); } diff --git a/src/datavisualization/engine/shaders/surface.frag b/src/datavisualization/engine/shaders/surface.frag index 576cc51f..b5205d2d 100644 --- a/src/datavisualization/engine/shaders/surface.frag +++ b/src/datavisualization/engine/shaders/surface.frag @@ -10,12 +10,13 @@ uniform sampler2D textureSampler; uniform highp vec3 lightPosition_wrld; uniform highp float lightStrength; uniform highp float ambientStrength; +uniform highp vec3 lightColor; void main() { highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.0) / 2.0); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp float distance = length(lightPosition_wrld - position_wrld); diff --git a/src/datavisualization/engine/shaders/surfaceFlat.frag b/src/datavisualization/engine/shaders/surfaceFlat.frag index fd42a289..7eaa917f 100644 --- a/src/datavisualization/engine/shaders/surfaceFlat.frag +++ b/src/datavisualization/engine/shaders/surfaceFlat.frag @@ -12,12 +12,13 @@ uniform sampler2D textureSampler; uniform highp vec3 lightPosition_wrld; uniform highp float lightStrength; uniform highp float ambientStrength; +uniform highp vec3 lightColor; void main() { highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.0) / 2.0); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp float distance = length(lightPosition_wrld - position_wrld); diff --git a/src/datavisualization/engine/shaders/surfaceShadowFlat.frag b/src/datavisualization/engine/shaders/surfaceShadowFlat.frag index 6341136e..9b9305ab 100644 --- a/src/datavisualization/engine/shaders/surfaceShadowFlat.frag +++ b/src/datavisualization/engine/shaders/surfaceShadowFlat.frag @@ -15,6 +15,7 @@ uniform highp vec3 lightPosition_wrld; uniform highp float lightStrength; uniform highp float ambientStrength; uniform highp float shadowQuality; +uniform highp vec3 lightColor; highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), vec2(0.94558609, -0.76890725), @@ -36,8 +37,8 @@ highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), void main() { highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.0) / 2.0); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp vec3 n = normalize(normal_cmr); highp vec3 l = normalize(lightDirection_cmr); @@ -62,9 +63,10 @@ void main() { } gl_FragColor.rgb = - visibility * (materialAmbientColor + + (materialAmbientColor + materialDiffuseColor * lightStrength * cosTheta + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); gl_FragColor.a = 1.0; + gl_FragColor.rgb = visibility * clamp(gl_FragColor.rgb, 0.0, 1.0); } diff --git a/src/datavisualization/engine/shaders/surfaceShadowNoTex.frag b/src/datavisualization/engine/shaders/surfaceShadowNoTex.frag index 755be3f1..3427fbae 100644 --- a/src/datavisualization/engine/shaders/surfaceShadowNoTex.frag +++ b/src/datavisualization/engine/shaders/surfaceShadowNoTex.frag @@ -13,6 +13,7 @@ uniform highp vec3 lightPosition_wrld; uniform highp float lightStrength; uniform highp float ambientStrength; uniform highp float shadowQuality; +uniform highp vec3 lightColor; highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), vec2(0.94558609, -0.76890725), @@ -34,8 +35,8 @@ highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), void main() { highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.0) / 2.0); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp vec3 n = normalize(normal_cmr); highp vec3 l = normalize(lightDirection_cmr); @@ -60,9 +61,10 @@ void main() { } gl_FragColor.rgb = - visibility * (materialAmbientColor + + (materialAmbientColor + materialDiffuseColor * lightStrength * cosTheta + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); gl_FragColor.a = 1.0; + gl_FragColor.rgb = visibility * clamp(gl_FragColor.rgb, 0.0, 1.0); } diff --git a/src/datavisualization/engine/shaders/surface_ES2.frag b/src/datavisualization/engine/shaders/surface_ES2.frag index c7e75594..0e17cacd 100644 --- a/src/datavisualization/engine/shaders/surface_ES2.frag +++ b/src/datavisualization/engine/shaders/surface_ES2.frag @@ -9,12 +9,13 @@ uniform sampler2D textureSampler; uniform highp vec3 lightPosition_wrld; uniform highp float lightStrength; uniform highp float ambientStrength; +uniform highp vec3 lightColor; void main() { highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.0) / 2.0); highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; - highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; - highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor; + highp vec3 materialSpecularColor = lightColor; highp float distance = length(lightPosition_wrld - position_wrld); |