ic/magnum - magnum - Gitea: Git with a cup of tea

Author	SHA1	Message	Date
Vladimír Vondruš	b5743c9447	TextureTools: ported distanceField() to OpenGL 2.1 and OpenGL ES. * Older GLSL doesn't have texelFetch() and related things, working around it by using classical texture() and normalized floating-point coordinates. But that needs to have Texture::imageSize() passed, which is not available in OpenGL ES, thus the user must specify it explicitly there. On desktop OpenGL that parameter is ignored. * Older GLSL doesn't have gl_VertexID, thus vertex buffer must be created and vertex data passed expliticly. * GLSL ES 2.0 doesn't have one-component texture format and TextureFormat::Luminance probably isn't renderable anywhere, thus TextureFormat::RGB should be used, although it is inefficient. * Checking for framebuffer completeness, if not complete, nothing is done. * Re-eabled building of TextureTools library in all ES PKGBUILDs.	13 years ago
Vladimír Vondruš	61e1ec0082	No need to have `const` also in function declarations.	13 years ago
Vladimír Vondruš	6a5d75d1e4	Relicensing to MIT/Expat license, part 2: headers.	13 years ago
Vladimír Vondruš	2d98dadb0a	Shaders: first DistanceFieldVectorShader implementation. Currently only fill and outline can be specified. Also crosslinked from documentation of VectorShader and TextureTools::distanceField().	13 years ago
Vladimír Vondruš	b1a97ed134	TextureTools: initial rude implementation of distance field computation. Not yet ported anywhere else than GL >= 3.3 with some GL 4.3 features. Still, this closes #3.	13 years ago