X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=docs%2Fenvvars.html;h=ea42a50779bc74176545e3fd1d917464fcda823d;hb=d547e18184978affd95a72dc524ca648efbe9812;hp=aa56cd1a9f4e638501bce36116ac63fe14c92589;hpb=ee8d2e280445b3f732e010bc6e2507483213a51a;p=mesa.git

diff --git a/docs/envvars.html b/docs/envvars.html
index aa56cd1a9f4..ea42a50779b 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -29,12 +29,12 @@ 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_NO_DRAWARRAYS - if set do not use DrawArrays GLX protocol (for debugging)
+<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 to `true`, 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.
-<li>LIBGL_DRI3_DISABLE - disable DRI3 if set (the value does not matter)
+<li>LIBGL_DRI3_DISABLE - disable DRI3 if set to `true`.
 </ul>
 
 
@@ -46,6 +46,9 @@ 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 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,
    if the application generates a GL_INVALID_ENUM error, a corresponding error
    message indicating where the error occurred, and possibly why, will be
@@ -114,7 +117,7 @@ glGetString(GL_VERSION) for OpenGL ES.
 glGetString(GL_SHADING_LANGUAGE_VERSION). Valid values are integers, such as
 "130".  Mesa will not really implement all the features of the given language version
 if it's higher than what's normally reported. (for developers only)
-<li>MESA_GLSL_CACHE_DISABLE - if set, disables the GLSL shader cache
+<li>MESA_GLSL_CACHE_DISABLE - if set to `true`, disables the GLSL shader cache
 <li>MESA_GLSL_CACHE_MAX_SIZE - if set, determines the maximum size of
 the on-disk cache of compiled GLSL programs. Should be set to a number
 optionally followed by 'K', 'M', or 'G' to specify a size in
@@ -130,6 +133,8 @@ that variable is set), or else within .cache/mesa within the user's
 home directory.
 <li>MESA_GLSL - <a href="shading.html#envvars">shading language compiler options</a>
 <li>MESA_NO_MINMAX_CACHE - when set, the minmax index cache is globally disabled.
+<li>MESA_SHADER_CAPTURE_PATH - see <a href="shading.html#capture">Capturing Shaders</a></li>
+<li>MESA_SHADER_DUMP_PATH and MESA_SHADER_READ_PATH - see <a href="shading.html#replacement">Experimenting with Shader Replacements</a></li>
 </ul>
 
 
@@ -160,47 +165,49 @@ See the <a href="xlibdriver.html">Xlib software driver page</a> for details.
    This is useful for debugging hangs, etc.</li>
 <li>INTEL_DEBUG - a comma-separated list of named flags, which do various things:
 <ul>
-   <li>tex - emit messages about textures.</li>
-   <li>state - emit messages about state flag tracking</li>
-   <li>blit - emit messages about blit operations</li>
-   <li>miptree - emit messages about miptrees</li>
-   <li>perf - emit messages about performance issues</li>
-   <li>perfmon - emit messages about AMD_performance_monitor</li>
+   <li>ann - annotate IR in assembly dumps</li>
+   <li>aub - dump batches into an AUB trace for use with simulation tools</li>
    <li>bat - emit batch information</li>
-   <li>pix - emit messages about pixel operations</li>
+   <li>blit - emit messages about blit operations</li>
+   <li>blorp - emit messages about the blorp operations (blits &amp; clears)</li>
    <li>buf - emit messages about buffer objects</li>
+   <li>clip - emit messages about the clip unit (for old gens, includes the CLIP program)</li>
+   <li>color - use color in output</li>
+   <li>cs - dump shader assembly for compute shaders</li>
+   <li>do32 - generate compute shader SIMD32 programs even if workgroup size doesn't exceed the SIMD16 limit</li>
+   <li>dri - emit messages about the DRI interface</li>
    <li>fbo - emit messages about framebuffers</li>
    <li>fs - dump shader assembly for fragment shaders</li>
    <li>gs - dump shader assembly for geometry shaders</li>
-   <li>sync - after sending each batch, emit a message and wait for that batch to finish rendering</li>
-   <li>prim - emit messages about drawing primitives</li>
-   <li>vert - emit messages about vertex assembly</li>
-   <li>dri - emit messages about the DRI interface</li>
-   <li>sf - emit messages about the strips &amp; fans unit (for old gens, includes the SF program)</li>
-   <li>stats - enable statistics counters. you probably actually want perfmon or intel_gpu_top instead.</li>
-   <li>urb - emit messages about URB setup</li>
-   <li>vs - dump shader assembly for vertex shaders</li>
-   <li>clip - emit messages about the clip unit (for old gens, includes the CLIP program)</li>
-   <li>aub - dump batches into an AUB trace for use with simulation tools</li>
-   <li>shader_time - record how much GPU time is spent in each shader</li>
+   <li>hex - print instruction hex dump with the disassembly</li>
+   <li>l3 - emit messages about the new L3 state during transitions</li>
+   <li>miptree - emit messages about miptrees</li>
+   <li>no8 - don't generate SIMD8 fragment shader</li>
    <li>no16 - suppress generation of 16-wide fragment shaders. useful for debugging broken shaders</li>
-   <li>blorp - emit messages about the blorp operations (blits &amp; clears)</li>
+   <li>nocompact - disable instruction compaction</li>
    <li>nodualobj - suppress generation of dual-object geometry shader code</li>
+   <li>norbc - disable single sampled render buffer compression</li>
    <li>optimizer - dump shader assembly to files at each optimization pass and iteration that make progress</li>
-   <li>ann - annotate IR in assembly dumps</li>
-   <li>no8 - don't generate SIMD8 fragment shader</li>
-   <li>vec4 - force vec4 mode in vertex shader</li>
+   <li>perf - emit messages about performance issues</li>
+   <li>perfmon - emit messages about AMD_performance_monitor</li>
+   <li>pix - emit messages about pixel operations</li>
+   <li>prim - emit messages about drawing primitives</li>
+   <li>reemit - mark all state dirty on each draw call</li>
+   <li>sf - emit messages about the strips &amp; fans unit (for old gens, includes the SF program)</li>
+   <li>shader_time - record how much GPU time is spent in each shader</li>
    <li>spill_fs - force spilling of all registers in the scalar backend (useful to debug spilling code)</li>
    <li>spill_vec4 - force spilling of all registers in the vec4 backend (useful to debug spilling code)</li>
-   <li>cs - dump shader assembly for compute shaders</li>
-   <li>hex - print instruction hex dump with the disassembly</li>
-   <li>nocompact - disable instruction compaction</li>
+   <li>state - emit messages about state flag tracking</li>
+   <li>submit - emit batchbuffer usage statistics</li>
+   <li>sync - after sending each batch, emit a message and wait for that batch to finish rendering</li>
    <li>tcs - dump shader assembly for tessellation control shaders</li>
    <li>tes - dump shader assembly for tessellation evaluation shaders</li>
-   <li>l3 - emit messages about the new L3 state during transitions</li>
-   <li>do32 - generate compute shader SIMD32 programs even if workgroup size doesn't exceed the SIMD16 limit</li>
-   <li>norbc - disable single sampled render buffer compression</li>
+   <li>tex - emit messages about textures.</li>
+   <li>urb - emit messages about URB setup</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>
@@ -237,7 +244,7 @@ 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.
@@ -301,6 +308,8 @@ 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>