From 10c2bd06863e2b85ff740b71fdd57f4ae8ea5cad Mon Sep 17 00:00:00 2001 From: vaxerski <43317083+vaxerski@users.noreply.github.com> Date: Fri, 3 Jun 2022 18:45:18 +0200 Subject: make shaders cleaner --- src/render/Shaders.hpp | 460 ++++++++----------------------------------------- 1 file changed, 73 insertions(+), 387 deletions(-) (limited to 'src/render') diff --git a/src/render/Shaders.hpp b/src/render/Shaders.hpp index 2dbbee3f..d01e7775 100644 --- a/src/render/Shaders.hpp +++ b/src/render/Shaders.hpp @@ -2,45 +2,18 @@ #include -inline const std::string QUADVERTSRC = R"#( -uniform mat3 proj; -uniform vec4 color; -attribute vec2 pos; -attribute vec2 texcoord; -varying vec4 v_color; -varying vec2 v_texcoord; - -void main() { - gl_Position = vec4(proj * vec3(pos, 1.0), 1.0); - v_color = color; - v_texcoord = texcoord; -})#"; - -inline const std::string QUADFRAGSRC = R"#( -precision mediump float; -varying vec4 v_color; -varying vec2 v_texcoord; - -uniform vec2 topLeft; -uniform vec2 bottomRight; -uniform vec2 fullSize; -uniform float radius; - -uniform int primitiveMultisample; - -void main() { - if (radius == 0.0) { - gl_FragColor = v_color; - return; - } - - vec2 pixCoord = fullSize * v_texcoord; - - if (pixCoord[0] < topLeft[0]) { +inline static constexpr auto ROUNDED_SHADER_FUNC = [](const std::string colorVarName) -> std::string { + return R"#( + if (pixCoord[0] < topLeft[0]) { // we're close left if (pixCoord[1] < topLeft[1]) { // top + if (ignoreCorners == 1) { + discard; + return; + } + float topLeftDistance = distance(topLeft, pixCoord); if (topLeftDistance > radius - 1.0) { @@ -61,13 +34,18 @@ void main() { distances = distances / 4.0; - gl_FragColor = v_color * distances; + gl_FragColor = )#" + colorVarName + R"#( * distances; return; } } } else if (pixCoord[1] > bottomRight[1]) { // bottom + if (ignoreCorners == 1) { + discard; + return; + } + float topLeftDistance = distance(vec2(topLeft[0], bottomRight[1]), pixCoord); if (topLeftDistance > radius - 1.0) { @@ -88,7 +66,7 @@ void main() { distances = distances / 4.0; - gl_FragColor = v_color * distances; + gl_FragColor = )#" + colorVarName + R"#( * distances; return; } } @@ -99,6 +77,11 @@ void main() { if (pixCoord[1] < topLeft[1]) { // top + if (ignoreCorners == 1) { + discard; + return; + } + float topLeftDistance = distance(vec2(bottomRight[0], topLeft[1]), pixCoord); if (topLeftDistance > radius - 1.0) { @@ -119,13 +102,18 @@ void main() { distances = distances / 4.0; - gl_FragColor = v_color * distances; + gl_FragColor = )#" + colorVarName + R"#( * distances; return; } } } else if (pixCoord[1] > bottomRight[1]) { // bottom + if (ignoreCorners == 1) { + discard; + return; + } + float topLeftDistance = distance(bottomRight, pixCoord); if (topLeftDistance > radius - 1.0) { @@ -146,12 +134,51 @@ void main() { distances = distances / 4.0; - gl_FragColor = v_color * distances; + gl_FragColor = )#" + colorVarName + R"#( * distances; return; } } } } + )#"; +}; + +inline const std::string QUADVERTSRC = R"#( +uniform mat3 proj; +uniform vec4 color; +attribute vec2 pos; +attribute vec2 texcoord; +varying vec4 v_color; +varying vec2 v_texcoord; + +void main() { + gl_Position = vec4(proj * vec3(pos, 1.0), 1.0); + v_color = color; + v_texcoord = texcoord; +})#"; + +inline const std::string QUADFRAGSRC = R"#( +precision mediump float; +varying vec4 v_color; +varying vec2 v_texcoord; + +uniform vec2 topLeft; +uniform vec2 bottomRight; +uniform vec2 fullSize; +uniform float radius; + +uniform int primitiveMultisample; +uniform int ignoreCorners; + +void main() { + if (radius == 0.0) { + gl_FragColor = v_color; + return; + } + + vec2 pixCoord = fullSize * v_texcoord; + + )#" + ROUNDED_SHADER_FUNC("v_color") + R"#( gl_FragColor = v_color; })#"; @@ -181,6 +208,7 @@ uniform float radius; uniform int discardOpaque; uniform int primitiveMultisample; +uniform int ignoreCorners; void main() { @@ -193,122 +221,8 @@ void main() { vec2 pixCoord = fullSize * v_texcoord; - if (pixCoord[0] < topLeft[0]) { - // we're close left - if (pixCoord[1] < topLeft[1]) { - // top - - float topLeftDistance = distance(topLeft, pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(topLeft, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } else if (pixCoord[1] > bottomRight[1]) { - // bottom - - float topLeftDistance = distance(vec2(topLeft[0], bottomRight[1]), pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } - } - else if (pixCoord[0] > bottomRight[0]) { - // we're close right - if (pixCoord[1] < topLeft[1]) { - // top - - float topLeftDistance = distance(vec2(bottomRight[0], topLeft[1]), pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } else if (pixCoord[1] > bottomRight[1]) { - // bottom - - float topLeftDistance = distance(bottomRight, pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(bottomRight, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } - } + )#" + ROUNDED_SHADER_FUNC("pixColor") + + R"#( gl_FragColor = pixColor * alpha; })#"; @@ -327,6 +241,7 @@ uniform float radius; uniform int discardOpaque; uniform int primitiveMultisample; +uniform int ignoreCorners; void main() { @@ -339,122 +254,7 @@ void main() { vec2 pixCoord = fullSize * v_texcoord; - if (pixCoord[0] < topLeft[0]) { - // we're close left - if (pixCoord[1] < topLeft[1]) { - // top - - float topLeftDistance = distance(topLeft, pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(topLeft, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } else if (pixCoord[1] > bottomRight[1]) { - // bottom - - float topLeftDistance = distance(vec2(topLeft[0], bottomRight[1]), pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } - } - else if (pixCoord[0] > bottomRight[0]) { - // we're close right - if (pixCoord[1] < topLeft[1]) { - // top - - float topLeftDistance = distance(vec2(bottomRight[0], topLeft[1]), pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } else if (pixCoord[1] > bottomRight[1]) { - // bottom - - float topLeftDistance = distance(bottomRight, pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(bottomRight, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } - } + )#" + ROUNDED_SHADER_FUNC("pixColor") + R"#( gl_FragColor = pixColor * alpha; })#"; @@ -522,6 +322,7 @@ uniform float radius; uniform int discardOpaque; uniform int primitiveMultisample; +uniform int ignoreCorners; void main() { @@ -534,122 +335,7 @@ void main() { vec2 pixCoord = fullSize * v_texcoord; - if (pixCoord[0] < topLeft[0]) { - // we're close left - if (pixCoord[1] < topLeft[1]) { - // top - - float topLeftDistance = distance(topLeft, pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(topLeft, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(topLeft, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } else if (pixCoord[1] > bottomRight[1]) { - // bottom - - float topLeftDistance = distance(vec2(topLeft[0], bottomRight[1]), pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } - } - else if (pixCoord[0] > bottomRight[0]) { - // we're close right - if (pixCoord[1] < topLeft[1]) { - // top - - float topLeftDistance = distance(vec2(bottomRight[0], topLeft[1]), pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } else if (pixCoord[1] > bottomRight[1]) { - // bottom - - float topLeftDistance = distance(bottomRight, pixCoord); - - if (topLeftDistance > radius - 1.0) { - if (primitiveMultisample == 0 && topLeftDistance > radius) { - discard; - return; - } else if (primitiveMultisample == 1) { - float distances = 0.0; - if (distance(bottomRight, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; } - if (distance(bottomRight, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; } - - if (distances == 0.0) { - discard; - return; - } - - distances = distances / 4.0; - - gl_FragColor = pixColor * distances; - return; - } - } - } - } + )#" + ROUNDED_SHADER_FUNC("pixColor") + R"#( gl_FragColor = pixColor * alpha; })#"; -- cgit v1.2.3