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Flips and properly sizes output scans.

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This commit is contained in:
Thomas Harte 2018-11-12 18:28:09 -05:00
parent 938d09f34a
commit 0ac62e3805
1 changed files with 2 additions and 1 deletions
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Outputs/OpenGL/ScanTargetGLSLFragments.cpp
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@ -38,7 +38,8 @@ std::string ScanTarget::globals(ShaderType type) {
"vec2 centrePoint = mix(startPoint, endPoint, lateral) / scale;"
"vec2 height = normalize(endPoint - startPoint).yx * (longitudinal - 0.5) * rowHeight;"
"gl_Position = vec4(centrePoint + height, 0.0, 1.0);"
"vec2 eyePosition = vec2(1.0) - 2.0 * (centrePoint + height);"
"gl_Position = vec4(eyePosition, 0.0, 1.0);"
"}";
case ShaderType::Line: