diff options
Diffstat (limited to 'examples/quick/shadereffects/doc/src/shadereffects.qdoc')
| -rw-r--r-- | examples/quick/shadereffects/doc/src/shadereffects.qdoc | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/examples/quick/shadereffects/doc/src/shadereffects.qdoc b/examples/quick/shadereffects/doc/src/shadereffects.qdoc index 8cb4024da2..d35989c262 100644 --- a/examples/quick/shadereffects/doc/src/shadereffects.qdoc +++ b/examples/quick/shadereffects/doc/src/shadereffects.qdoc @@ -52,10 +52,18 @@ \snippet shadereffects/shadereffects.qml fragment In order to support multiple graphics APIs, not just OpenGL, the shader - source is not embedded into QML. Instead, file selectors are used to select - the correct variant at runtime. Based on the Qt Quick backend in use, Qt - will automatically select either \c{shaders/wobble.frag} with the GLSL - source code or \c{shaders/+hlsl/wobble.frag} with the HLSL source code. + source is not embedded into QML. When running with the graphics API + independent scene graph, the actual file in use is a pre-generated shader + pack containing multiple variants of the shader code. The appropriate + shader is then chosen by Qt Quick, regardless of running on Vulkan, Metal, + Direct 3D, or OpenGL. Qt automatically selects the file under the \c qsb + selector, for example \c{shaders/+qsb/wobble.frag}, when present. + + On the traditional code path, which can mean using OpenGL or Direct3D 12, + file selectors are used to select the correct variant at runtime. Based on + the Qt Quick backend in use, Qt will automatically select either + \c{shaders/wobble.frag} with the GLSL source code or + \c{shaders/+hlsl/wobble.frag} with the HLSL source code. \note For simplicity shader source code is used in all variants of the files. However, with the Direct3D backend of Qt Quick pre-compiled shaders |