glx: turn LIBGL_ALWAYS_INDIRECT into a boolean

[mesa.git] / docs / envvars.html

diff --git a/docs/envvars.html b/docs/envvars.html
index e075c20536a386d609a7245c532ca20e23f581a2..aeb5ff284784d74e63c0603f8da482a7a4939a79 100644 (file)
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -29,8 +29,8 @@ sometimes be useful for debugging end-user issues.
 <li>LIBGL_DEBUG - If defined debug information will be printed to stderr.
    If set to 'verbose' additional information will be printed.
 <li>LIBGL_DRIVERS_PATH - colon-separated list of paths to search for DRI drivers
-<li>LIBGL_ALWAYS_INDIRECT - forces an indirect rendering context/connection.
-<li>LIBGL_ALWAYS_SOFTWARE - if set, always use software rendering
+<li>LIBGL_ALWAYS_INDIRECT - if set to `true`, forces an indirect rendering context/connection.
+<li>LIBGL_ALWAYS_SOFTWARE - if set to `true`, always use software rendering
 <li>LIBGL_NO_DRAWARRAYS - if set do not use DrawArrays GLX protocol (for debugging)
 <li>LIBGL_SHOW_FPS - print framerate to stdout based on the number of glXSwapBuffers
     calls per second.
@@ -46,7 +46,7 @@ sometimes be useful for debugging end-user issues.
 <li>MESA_NO_MMX - if set, disables Intel MMX optimizations
 <li>MESA_NO_3DNOW - if set, disables AMD 3DNow! optimizations
 <li>MESA_NO_SSE - if set, disables Intel SSE optimizations
-<li>MESA_NO_ERROR - if set error checking is disabled as per KHR_no_error.
+<li>MESA_NO_ERROR - if set to 1, error checking is disabled as per KHR_no_error.
    This will result in undefined behaviour for invalid use of the api, but
    can reduce CPU use for apps that are known to be error free.</li>
 <li>MESA_DEBUG - if set, error messages are printed to stderr.  For example,
@@ -200,10 +200,10 @@ See the <a href="xlibdriver.html">Xlib software driver page</a> for details.
    <li>tes - dump shader assembly for tessellation evaluation shaders</li>
    <li>tex - emit messages about textures.</li>
    <li>urb - emit messages about URB setup</li>
-   <li>vec4 - force vec4 mode in vertex shader</li>
    <li>vert - emit messages about vertex assembly</li>
    <li>vs - dump shader assembly for vertex shaders</li>
 </ul>
+<li>INTEL_SCALAR_VS (or TCS, TES, GS) - force scalar/vec4 mode for a shader stage (Gen8-9 only)</li>
 <li>INTEL_PRECISE_TRIG - if set to 1, true or yes, then the driver prefers
    accuracy over performance in trig functions.</li>
 </ul>
@@ -240,7 +240,7 @@ Mesa EGL supports different sets of environment variables.  See the
     Use kill -10 <pid> to toggle the hud as desired.
 <li>GALLIUM_HUD_DUMP_DIR - specifies a directory for writing the displayed
     hud values into files.
-<li>GALLIUM_DRIVER - useful in combination with LIBGL_ALWAYS_SOFTWARE=1 for
+<li>GALLIUM_DRIVER - useful in combination with LIBGL_ALWAYS_SOFTWARE=true for
     choosing one of the software renderers "softpipe", "llvmpipe" or "swr".
 <li>GALLIUM_LOG_FILE - specifies a file for logging all errors, warnings, etc.
     rather than stderr.
@@ -304,6 +304,8 @@ See src/mesa/state_tracker/st_debug.c for other options.
 (will often result in incorrect rendering).
 <li>SVGA_DEBUG - for dumping shaders, constant buffers, etc.  See the code
 for details.
+<li>SVGA_EXTRA_LOGGING - if set, enables extra logging to the vmware.log file,
+such as the OpenGL program's name and command line arguments.
 <li>See the driver code for other, lesser-used variables.
 </ul>