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diff --git a/docs/envvars.html b/docs/envvars.html deleted file mode 100644 index a642daf59c2..00000000000 --- a/docs/envvars.html +++ /dev/null @@ -1,786 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> -<html lang="en"> -<head> - <meta http-equiv="content-type" content="text/html; charset=utf-8"> - <title>Environment Variables</title> - <link rel="stylesheet" type="text/css" href="mesa.css"> -</head> -<body> - -<div class="header"> - The Mesa 3D Graphics Library -</div> - -<iframe src="contents.html"></iframe> -<div class="content"> - -<h1>Environment Variables</h1> - -<p> -Normally, no environment variables need to be set. Most of the environment -variables used by Mesa/Gallium are for debugging purposes, but they can -sometimes be useful for debugging end-user issues. -</p> - - -<h2>LibGL environment variables</h2> - -<dl> -<dt><code>LIBGL_DEBUG</code></dt> -<dd>If defined debug information will be printed to stderr. - If set to <code>verbose</code> additional information will be - printed.</dd> -<dt><code>LIBGL_DRIVERS_PATH</code></dt> -<dd>colon-separated list of paths to search for DRI drivers</dd> -<dt><code>LIBGL_ALWAYS_INDIRECT</code></dt> -<dd>if set to <code>true</code>, forces an indirect rendering - context/connection.</dd> -<dt><code>LIBGL_ALWAYS_SOFTWARE</code></dt> -<dd>if set to <code>true</code>, always use software rendering</dd> -<dt><code>LIBGL_NO_DRAWARRAYS</code></dt> -<dd>if set to <code>true</code>, do not use DrawArrays GLX protocol - (for debugging)</dd> -<dt><code>LIBGL_SHOW_FPS</code></dt> -<dd>print framerate to stdout based on the number of - <code>glXSwapBuffers</code> calls per second.</dd> -<dt><code>LIBGL_DRI3_DISABLE</code></dt> -<dd>disable DRI3 if set to <code>true</code>.</dd> -</dl> - -<h2>Core Mesa environment variables</h2> - -<dl> -<dt><code>MESA_NO_ASM</code></dt> -<dd>if set, disables all assembly language optimizations</dd> -<dt><code>MESA_NO_MMX</code></dt> -<dd>if set, disables Intel MMX optimizations</dd> -<dt><code>MESA_NO_3DNOW</code></dt> -<dd>if set, disables AMD 3DNow! optimizations</dd> -<dt><code>MESA_NO_SSE</code></dt> -<dd>if set, disables Intel SSE optimizations</dd> -<dt><code>MESA_NO_ERROR</code></dt> -<dd>if set to 1, error checking is disabled as per <code>KHR_no_error</code>. - 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.</dd> -<dt><code>MESA_DEBUG</code></dt> -<dd>if set, error messages are printed to stderr. For example, - if the application generates a <code>GL_INVALID_ENUM</code> error, a - corresponding error message indicating where the error occurred, and - possibly why, will be printed to stderr. For release builds, - <code>MESA_DEBUG</code> defaults to off (no debug output). - <code>MESA_DEBUG</code> accepts the following comma-separated list of - named flags, which adds extra behaviour to just set - <code>MESA_DEBUG=1</code>: - <dl> - <dt><code>silent</code></dt> - <dd>turn off debug messages. Only useful for debug builds.</dd> - <dt><code>flush</code></dt> - <dd>flush after each drawing command</dd> - <dt><code>incomplete_tex</code></dt> - <dd>extra debug messages when a texture is incomplete</dd> - <dt><code>incomplete_fbo</code></dt> - <dd>extra debug messages when a fbo is incomplete</dd> - <dt><code>context</code></dt> - <dd>create a debug context (see <code>GLX_CONTEXT_DEBUG_BIT_ARB</code>) - and print error and performance messages to stderr (or - <code>MESA_LOG_FILE</code>).</dd> - </dl> -</dd> -<dt><code>MESA_LOG_FILE</code></dt> -<dd>specifies a file name for logging all errors, warnings, - etc., rather than stderr</dd> -<dt><code>MESA_TEX_PROG</code></dt> -<dd>if set, implement conventional texture env modes with - fragment programs (intended for developers only)</dd> -<dt><code>MESA_TNL_PROG</code></dt> -<dd>if set, implement conventional vertex transformation operations with - vertex programs (intended for developers only). Setting this variable - automatically sets the <code>MESA_TEX_PROG</code> variable as well.</dd> -<dt><code>MESA_EXTENSION_OVERRIDE</code></dt> -<dd>can be used to enable/disable extensions. A value such as - <code>GL_EXT_foo -GL_EXT_bar</code> will enable the - <code>GL_EXT_foo</code> extension and disable the - <code>GL_EXT_bar</code> extension.</dd> -<dt><code>MESA_EXTENSION_MAX_YEAR</code></dt> -<dd>The <code>GL_EXTENSIONS</code> string returned by Mesa is sorted by - extension year. If this variable is set to year X, only extensions - defined on or before year X will be reported. This is to work-around a - bug in some games where the extension string is copied into a fixed-size - buffer without truncating. If the extension string is too long, the - buffer overrun can cause the game to crash. This is a work-around for - that.</dd> -<dt><code>MESA_GL_VERSION_OVERRIDE</code></dt> -<dd>changes the value returned by -<code>glGetString(GL_VERSION)</code> and possibly the GL API type. -<ul> - <li>The format should be <code>MAJOR.MINOR[FC|COMPAT]</code> - <li><code>FC</code> is an optional suffix that indicates a forward - compatible context. This is only valid for versions >= 3.0. - <li><code>COMPAT</code> is an optional suffix that indicates a - compatibility context or <code>GL_ARB_compatibility</code> support. - This is only valid for versions >= 3.1. - <li>GL versions <= 3.0 are set to a compatibility (non-Core) - profile - <li>GL versions = 3.1, depending on the driver, it may or may not - have the <code>ARB_compatibility</code> extension enabled. - <li>GL versions >= 3.2 are set to a Core profile - <li>Examples: - <dl> - <dt><code>2.1</code></dt> - <dd>select a compatibility (non-Core) profile with GL version 2.1.</dd> - <dt><code>3.0</code></dt> - <dd>select a compatibility (non-Core) profile with GL version 3.0.</dd> - <dt><code>3.0FC</code></dt> - <dd>select a Core+Forward Compatible profile with GL version 3.0.</dd> - <dt><code>3.1</code></dt> - <dd>select GL version 3.1 with <code>GL_ARB_compatibility</code> - enabled per the driver default.</dd> - <dt><code>3.1FC</code></dt> - <dd>select GL version 3.1 with forward compatibility and - <code>GL_ARB_compatibility</code> disabled.</dd> - <dt><code>3.1COMPAT</code></dt> - <dd>select GL version 3.1 with <code>GL_ARB_compatibility</code> - enabled.</dd> - <dt><code>X.Y</code></dt> - <dd>override GL version to X.Y without changing the profile.</dd> - <dt><code>X.YFC</code></dt> - <dd>select a Core+Forward Compatible profile with GL version X.Y.</dd> - <dt><code>X.YCOMPAT</code></dt> - <dd>select a Compatibility profile with GL version X.Y.</dd> - </dl> - <li>Mesa may not really implement all the features of the given - version. (for developers only) -</ul> -</dd> -<dt><code>MESA_GLES_VERSION_OVERRIDE</code></dt> -<dd>changes the value returned by <code>glGetString(GL_VERSION)</code> - for OpenGL ES. -<ul> -<li> The format should be <code>MAJOR.MINOR</code> -<li> Examples: <code>2.0</code>, <code>3.0</code>, <code>3.1</code> -<li> Mesa may not really implement all the features of the given version. -(for developers only) -</ul> -</dd> -<dt><code>MESA_GLSL_VERSION_OVERRIDE</code></dt> -<dd>changes the value returned by - <code>glGetString(GL_SHADING_LANGUAGE_VERSION)</code>. - Valid values are integers, such as <code>130</code>. 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) -</dd> -<dt><code>MESA_GLSL_CACHE_DISABLE</code></dt> -<dd>if set to <code>true</code>, disables the GLSL shader cache</dd> -<dt><code>MESA_GLSL_CACHE_MAX_SIZE</code></dt> -<dd>if set, determines the maximum size of the on-disk cache of compiled GLSL - programs. Should be set to a number optionally followed by <code>K</code>, - <code>M</code>, or <code>G</code> to specify a size in kilobytes, - megabytes, or gigabytes. By default, gigabytes will be assumed. And if - unset, a maximum size of 1GB will be used. Note: A separate cache might - be created for each architecture that Mesa is installed for on your - system. For example under the default settings you may end up with a 1GB - cache for x86_64 and another 1GB cache for i386.</dd> -<dt><code>MESA_GLSL_CACHE_DIR</code></dt> -<dd>if set, determines the directory to be used for the on-disk cache of - compiled GLSL programs. If this variable is not set, then the cache will - be stored in <code>$XDG_CACHE_HOME/mesa_shader_cache</code> (if that - variable is set), or else within <code>.cache/mesa_shader_cache</code> - within the user's home directory. -</dd> -<dt><code>MESA_GLSL</code></dt> -<dd><a href="shading.html#envvars">shading language compiler options</a></dd> -<dt><code>MESA_NO_MINMAX_CACHE</code></dt> -<dd>when set, the minmax index cache is globally disabled.</dd> -<dt><code>MESA_SHADER_CAPTURE_PATH</code></dt> -<dd>see <a href="shading.html#capture">Capturing Shaders</a></dd> -<dt><code>MESA_SHADER_DUMP_PATH</code> and <code>MESA_SHADER_READ_PATH</code></dt> -<dd>see <a href="shading.html#replacement">Experimenting with Shader Replacements</a></dd> -<dt><code>MESA_VK_VERSION_OVERRIDE</code></dt> -<dd>changes the Vulkan physical device version - as returned in <code>VkPhysicalDeviceProperties::apiVersion</code>. - <ul> - <li>The format should be <code>MAJOR.MINOR[.PATCH]</code></li> - <li>This will not let you force a version higher than the driver's - instance version as advertised by - <code>vkEnumerateInstanceVersion</code></li> - <li>This can be very useful for debugging but some features may not be - implemented correctly. (For developers only)</li> - </ul> -</dd> -</dl> - - -<h2>NIR passes enviroment variables</h2> -<p> -The following are only applicable for drivers that uses NIR, as they -modify the behaviour for the common NIR_PASS and NIR_PASS_V macros, -that wrap calls to NIR lowering/optimizations. -</p> - -<dl> - <dt><code>NIR_PRINT</code></dt> - <dd>If defined, the resulting NIR shader will be printed out at each succesful NIR lowering/optimization call.</dd> - <dt><code>NIR_TEST_CLONE</code></dt> - <dd>If defined, cloning a NIR shader would be tested at each succesful NIR lowering/optimization call.</dd> - <dt><code>NIR_TEST_SERIALIZE</code></dt> - <dd>If defined, serialize and deserialize a NIR shader would be tested at each succesful NIR lowering/optimization call.</dd> -</dl> - - -<h2>Mesa Xlib driver environment variables</h2> - -<p> -The following are only applicable to the Mesa Xlib software driver. -See the <a href="xlibdriver.html">Xlib software driver page</a> for details. -</p> -<dl> -<dt><code>MESA_RGB_VISUAL</code></dt> -<dd>specifies the X visual and depth for RGB mode</dd> -<dt><code>MESA_CI_VISUAL</code></dt> -<dd>specifies the X visual and depth for CI mode</dd> -<dt><code>MESA_BACK_BUFFER</code></dt> -<dd>specifies how to implement the back color buffer, either - <code>pixmap</code> or <code>ximage</code></dd> -<dt><code>MESA_GAMMA</code></dt> -<dd>gamma correction coefficients for red, green, blue channels</dd> -<dt><code>MESA_XSYNC</code></dt> -<dd>enable synchronous X behavior (for debugging only)</dd> -<dt><code>MESA_GLX_FORCE_CI</code></dt> -<dd>if set, force GLX to treat 8bpp visuals as CI visuals</dd> -<dt><code>MESA_GLX_FORCE_ALPHA</code></dt> -<dd>if set, forces RGB windows to have an alpha channel.</dd> -<dt><code>MESA_GLX_DEPTH_BITS</code></dt> -<dd>specifies default number of bits for depth buffer.</dd> -<dt><code>MESA_GLX_ALPHA_BITS</code></dt> -<dd>specifies default number of bits for alpha channel.</dd> -</dl> - - -<h2>i945/i965 driver environment variables (non-Gallium)</h2> - -<dl> -<dt><code>INTEL_NO_HW</code></dt> -<dd>if set to 1, prevents batches from being submitted to the hardware. - This is useful for debugging hangs, etc.</dd> -<dt><code>INTEL_DEBUG</code></dt> -<dd>a comma-separated list of named flags, which do various things: -<dl> - <dt><code>ann</code></dt> - <dd>annotate IR in assembly dumps</dd> - <dt><code>aub</code></dt> - <dd>dump batches into an AUB trace for use with simulation tools</dd> - <dt><code>bat</code></dt> - <dd>emit batch information</dd> - <dt><code>blit</code></dt> - <dd>emit messages about blit operations</dd> - <dt><code>blorp</code></dt> - <dd>emit messages about the blorp operations (blits & clears)</dd> - <dt><code>buf</code></dt> - <dd>emit messages about buffer objects</dd> - <dt><code>clip</code></dt> - <dd>emit messages about the clip unit (for old gens, includes the CLIP program)</dd> - <dt><code>color</code></dt> - <dd>use color in output</dd> - <dt><code>cs</code></dt> - <dd>dump shader assembly for compute shaders</dd> - <dt><code>do32</code></dt> - <dd>generate compute shader SIMD32 programs even if workgroup size doesn't exceed the SIMD16 limit</dd> - <dt><code>dri</code></dt> - <dd>emit messages about the DRI interface</dd> - <dt><code>fbo</code></dt> - <dd>emit messages about framebuffers</dd> - <dt><code>fs</code></dt> - <dd>dump shader assembly for fragment shaders</dd> - <dt><code>gs</code></dt> - <dd>dump shader assembly for geometry shaders</dd> - <dt><code>hex</code></dt> - <dd>print instruction hex dump with the disassembly</dd> - <dt><code>l3</code></dt> - <dd>emit messages about the new L3 state during transitions</dd> - <dt><code>miptree</code></dt> - <dd>emit messages about miptrees</dd> - <dt><code>no8</code></dt> - <dd>don't generate SIMD8 fragment shader</dd> - <dt><code>no16</code></dt> - <dd>suppress generation of 16-wide fragment shaders. useful for debugging broken shaders</dd> - <dt><code>nocompact</code></dt> - <dd>disable instruction compaction</dd> - <dt><code>nodualobj</code></dt> - <dd>suppress generation of dual-object geometry shader code</dd> - <dt><code>nofc</code></dt> - <dd>disable fast clears</dd> - <dt><code>norbc</code></dt> - <dd>disable single sampled render buffer compression</dd> - <dt><code>optimizer</code></dt> - <dd>dump shader assembly to files at each optimization pass and iteration that make progress</dd> - <dt><code>perf</code></dt> - <dd>emit messages about performance issues</dd> - <dt><code>perfmon</code></dt> - <dd>emit messages about <code>AMD_performance_monitor</code></dd> - <dt><code>pix</code></dt> - <dd>emit messages about pixel operations</dd> - <dt><code>prim</code></dt> - <dd>emit messages about drawing primitives</dd> - <dt><code>reemit</code></dt> - <dd>mark all state dirty on each draw call</dd> - <dt><code>sf</code></dt> - <dd>emit messages about the strips & fans unit (for old gens, includes the SF program)</dd> - <dt><code>shader_time</code></dt> - <dd>record how much GPU time is spent in each shader</dd> - <dt><code>spill_fs</code></dt> - <dd>force spilling of all registers in the scalar backend (useful to debug spilling code)</dd> - <dt><code>spill_vec4</code></dt> - <dd>force spilling of all registers in the vec4 backend (useful to debug spilling code)</dd> - <dt><code>state</code></dt> - <dd>emit messages about state flag tracking</dd> - <dt><code>submit</code></dt> - <dd>emit batchbuffer usage statistics</dd> - <dt><code>sync</code></dt> - <dd>after sending each batch, emit a message and wait for that batch to finish rendering</dd> - <dt><code>tcs</code></dt> - <dd>dump shader assembly for tessellation control shaders</dd> - <dt><code>tes</code></dt> - <dd>dump shader assembly for tessellation evaluation shaders</dd> - <dt><code>tex</code></dt> - <dd>emit messages about textures.</dd> - <dt><code>urb</code></dt> - <dd>emit messages about URB setup</dd> - <dt><code>vert</code></dt> - <dd>emit messages about vertex assembly</dd> - <dt><code>vs</code></dt> - <dd>dump shader assembly for vertex shaders</dd> -</dl> -</dd> -<dt><code>INTEL_SCALAR_VS</code> (or <code>TCS</code>, <code>TES</code>, - <code>GS</code>)</dt> -<dd>force scalar/vec4 mode for a shader stage (Gen8-9 only)</dd> -<dt><code>INTEL_PRECISE_TRIG</code></dt> -<dd>if set to 1, true or yes, then the driver prefers accuracy over - performance in trig functions.</dd> -</dl> - - -<h2>Radeon driver environment variables (radeon, r200, and r300g)</h2> - -<dl> -<dt><code>RADEON_NO_TCL</code></dt> -<dd>if set, disable hardware-accelerated Transform/Clip/Lighting.</dd> -</dl> - - -<h2>EGL environment variables</h2> - -<p> -Mesa EGL supports different sets of environment variables. See the -<a href="egl.html">Mesa EGL</a> page for the details. -</p> - - -<h2>Gallium environment variables</h2> - -<dl> -<dt><code>GALLIUM_HUD</code></dt> -<dd>draws various information on the screen, like framerate, - cpu load, driver statistics, performance counters, etc. - Set <code>GALLIUM_HUD=help</code> and run e.g. - <code>glxgears</code> for more info.</dd> -<dt><code>GALLIUM_HUD_PERIOD</code></dt> -<dd>sets the hud update rate in seconds (float). Use zero - to update every frame. The default period is 1/2 second.</dd> -<dt><code>GALLIUM_HUD_VISIBLE</code></dt> -<dd>control default visibility, defaults to true.</dd> -<dt><code>GALLIUM_HUD_TOGGLE_SIGNAL</code></dt> -<dd>toggle visibility via user specified signal. - Especially useful to toggle hud at specific points of application and - disable for unencumbered viewing the rest of the time. For example, set - <code>GALLIUM_HUD_VISIBLE</code> to <code>false</code> and - <code>GALLIUM_HUD_TOGGLE_SIGNAL</code> to <code>10</code> - (<code>SIGUSR1</code>). - Use <code>kill -10 <pid></code> to toggle the hud as desired.</dd> -<dt><code>GALLIUM_HUD_SCALE</code></dt> -<dd>Scale hud by an integer factor, for high DPI displays. Default is 1.</dd> -<dt><code>GALLIUM_HUD_DUMP_DIR</code></dt> -<dd>specifies a directory for writing the displayed hud values into files.</dd> -<dt><code>GALLIUM_DRIVER</code></dt> -<dd>useful in combination with <code>LIBGL_ALWAYS_SOFTWARE=true</code> for - choosing one of the software renderers <code>softpipe</code>, - <code>llvmpipe</code> or <code>swr</code>.</dd> -<dt><code>GALLIUM_LOG_FILE</code></dt> -<dd>specifies a file for logging all errors, warnings, etc. - rather than stderr.</dd> -<dt><code>GALLIUM_PRINT_OPTIONS</code></dt> -<dd>if non-zero, print all the Gallium environment variables which are - used, and their current values.</dd> -<dt><code>GALLIUM_DUMP_CPU</code></dt> -<dd>if non-zero, print information about the CPU on start-up</dd> -<dt><code>TGSI_PRINT_SANITY</code></dt> -<dd>if set, do extra sanity checking on TGSI shaders and - print any errors to stderr.</dd> -<dt><code>DRAW_FSE</code></dt> -<dd>???</dd> -<dt><code>DRAW_NO_FSE</code></dt> -<dd>???</dd> -<dt><code>DRAW_USE_LLVM</code></dt> -<dd>if set to zero, the draw module will not use LLVM to execute - shaders, vertex fetch, etc.</dd> -<dt><code>ST_DEBUG</code></dt> -<dd>controls debug output from the Mesa/Gallium state tracker. - Setting to <code>tgsi</code>, for example, will print all the TGSI - shaders. See <code>src/mesa/state_tracker/st_debug.c</code> for other - options.</dd> -</dl> - -<h3>Clover environment variables</h3> - -<dl> -<dt><code>CLOVER_EXTRA_BUILD_OPTIONS</code></dt> -<dd>allows specifying additional compiler and linker - options. Specified options are appended after the options set by the OpenCL - program in <code>clBuildProgram</code>.</dd> -<dt><code>CLOVER_EXTRA_COMPILE_OPTIONS</code></dt> -<dd>allows specifying additional compiler - options. Specified options are appended after the options set by the OpenCL - program in <code>clCompileProgram</code>.</dd> -<dt><code>CLOVER_EXTRA_LINK_OPTIONS</code></dt> -<dd>allows specifying additional linker - options. Specified options are appended after the options set by the OpenCL - program in <code>clLinkProgram</code>.</dd> -</dl> - - -<h3>Softpipe driver environment variables</h3> -<dl> -<dt><code>SOFTPIPE_DUMP_FS</code></dt> -<dd>if set, the softpipe driver will print fragment shaders to stderr</dd> -<dt><code>SOFTPIPE_DUMP_GS</code></dt> -<dd>if set, the softpipe driver will print geometry shaders to stderr</dd> -<dt><code>SOFTPIPE_NO_RAST</code></dt> -<dd>if set, rasterization is no-op'd. For profiling purposes.</dd> -<dt><code>SOFTPIPE_USE_LLVM</code></dt> -<dd>if set, the softpipe driver will try to use LLVM JIT for - vertex shading processing.</dd> -</dl> - - -<h3>LLVMpipe driver environment variables</h3> -<dl> -<dt><code>LP_NO_RAST</code></dt> -<dd>if set LLVMpipe will no-op rasterization</dd> -<dt><code>LP_DEBUG</code></dt> -<dd>a comma-separated list of debug options is accepted. See the - source code for details.</dd> -<dt><code>LP_PERF</code></dt> -<dd>a comma-separated list of options to selectively no-op various - parts of the driver. See the source code for details.</dd> -<dt><code>LP_NUM_THREADS</code></dt> -<dd>an integer indicating how many threads to use for rendering. - Zero turns off threading completely. The default value is the number of CPU - cores present.</dd> -</dl> - -<h3>VMware SVGA driver environment variables</h3> -<dl> -<dt><code>SVGA_FORCE_SWTNL</code></dt> -<dd>force use of software vertex transformation</dd> -<dt><code>SVGA_NO_SWTNL</code></dt> -<dd>don't allow software vertex transformation fallbacks (will often result - in incorrect rendering).</dd> -<dt><code>SVGA_DEBUG</code></dt> -<dd>for dumping shaders, constant buffers, etc. See the code for - details.</dd> -<dt><code>SVGA_EXTRA_LOGGING</code></dt> -<dd>if set, enables extra logging to the <code>vmware.log</code> file, - such as the OpenGL program's name and command line arguments.</dd> -<dt><code>SVGA_NO_LOGGING</code></dt> -<dd>if set, disables logging to the <code>vmware.log</code> file. This is - useful when using Valgrind because it otherwise crashes when - initializing the host log feature.</dd> -</dl> -<p>See the driver code for other, lesser-used variables.</p> - -<h3>WGL environment variables</h3> -<dl> -<dt><code>WGL_SWAP_INTERVAL</code></dt> -<dd>to set a swap interval, equivalent to calling - <code>wglSwapIntervalEXT()</code> in an application. If this - environment variable is set, application calls to - <code>wglSwapIntervalEXT()</code> will have no effect.</dd> -</dl> - -<h3>VA-API environment variables</h3> -<dl> -<dt><code>VAAPI_MPEG4_ENABLED</code></dt> -<dd>enable MPEG4 for VA-API, disabled by default.</dd> -</dl> - - -<h3>VC4 driver environment variables</h3> -<dl> -<dt><code>VC4_DEBUG</code></dt> -<dd>a comma-separated list of named flags, which do various things: -<dl> - <dt><code>cl</code></dt> - <dd>dump command list during creation</dd> - <dt><code>qpu</code></dt> - <dd>dump generated QPU instructions</dd> - <dt><code>qir</code></dt> - <dd>dump QPU IR during program compile</dd> - <dt><code>nir</code></dt> - <dd>dump NIR during program compile</dd> - <dt><code>tgsi</code></dt> - <dd>dump TGSI during program compile</dd> - <dt><code>shaderdb</code></dt> - <dd>dump program compile information for shader-db analysis</dd> - <dt><code>perf</code></dt> - <dd>print during performance-related events</dd> - <dt><code>norast</code></dt> - <dd>skip actual hardware execution of commands</dd> - <dt><code>always_flush</code></dt> - <dd>flush after each draw call</dd> - <dt><code>always_sync</code></dt> - <dd>wait for finish after each flush</dd> - <dt><code>dump</code></dt> - <dd>write a GPU command stream trace file (VC4 simulator only)</dd> -</dl> -</dd> -</dl> - - -<h3>RADV driver environment variables</h3> -<dl> -<dt><code>RADV_DEBUG</code></dt> -<dd>a comma-separated list of named flags, which do various things: -<dl> - <dt><code>allbos</code></dt> - <dd>force all allocated buffers to be referenced in submissions</dd> - <dt><code>allentrypoints</code></dt> - <dd>enable all device/instance entrypoints</dd> - <dt><code>checkir</code></dt> - <dd>validate the LLVM IR before LLVM compiles the shader</dd> - <dt><code>errors</code></dt> - <dd>display more info about errors</dd> - <dt><code>info</code></dt> - <dd>show GPU-related information</dd> - <dt><code>metashaders</code></dt> - <dd>dump internal meta shaders</dd> - <dt><code>nobinning</code></dt> - <dd>disable primitive binning</dd> - <dt><code>nocache</code></dt> - <dd>disable shaders cache</dd> - <dt><code>nocompute</code></dt> - <dd>disable compute queue</dd> - <dt><code>nodcc</code></dt> - <dd>disable Delta Color Compression (DCC) on images</dd> - <dt><code>nodynamicbounds</code></dt> - <dd>do not check OOB access for dynamic descriptors</dd> - <dt><code>nofastclears</code></dt> - <dd>disable fast color/depthstencil clears</dd> - <dt><code>nohiz</code></dt> - <dd>disable HIZ for depthstencil images</dd> - <dt><code>noibs</code></dt> - <dd>disable directly recording command buffers in GPU-visible memory</dd> - <dt><code>noloadstoreopt</code></dt> - <dd>disable LLVM SILoadStoreOptimizer pass</dd> - <dt><code>nomemorycache</code></dt> - <dd>disable memory shaders cache</dd> - <dt><code>nongg</code></dt> - <dd>disable NGG for GFX10+</dd> - <dt><code>nooutoforder</code></dt> - <dd>disable out-of-order rasterization</dd> - <dt><code>noshaderballot</code></dt> - <dd>disable shader ballot</dd> - <dt><code>nothreadllvm</code></dt> - <dd>disable LLVM threaded compilation</dd> - <dt><code>preoptir</code></dt> - <dd>dump LLVM IR before any optimizations</dd> - <dt><code>shaders</code></dt> - <dd>dump shaders</dd> - <dt><code>shaderstats</code></dt> - <dd>dump shader statistics</dd> - <dt><code>spirv</code></dt> - <dd>dump SPIR-V</dd> - <dt><code>startup</code></dt> - <dd>display info at startup</dd> - <dt><code>syncshaders</code></dt> - <dd>synchronize shaders after all draws/dispatches</dd> - <dt><code>vmfaults</code></dt> - <dd>check for VM memory faults via dmesg</dd> - <dt><code>zerovram</code></dt> - <dd>initialize all memory allocated in VRAM as zero</dd> -</dl> -</dd> -<dt><code>RADV_FORCE_FAMILY</code></dt> -<dd>create a null device to compile shaders without a AMD GPU (eg. gfx900)</dd> -<dt><code>RADV_PERFTEST</code></dt> -<dd>a comma-separated list of named flags, which do various things: -<dl> - <dt><code>aco</code></dt> - <dd>enable ACO experimental compiler</dd> - <dt><code>bolist</code></dt> - <dd>enable the global BO list</dd> - <dt><code>cswave32</code></dt> - <dd>enable wave32 for compute shaders (GFX10+)</dd> - <dt><code>dccmsaa</code></dt> - <dd>enable DCC for MSAA images</dd> - <dt><code>dfsm</code></dt> - <dd>enable dfsm</dd> - <dt><code>gewave32</code></dt> - <dd>enable wave32 for vertex/tess/geometry shaders (GFX10+)</dd> - <dt><code>localbos</code></dt> - <dd>enable local BOs</dd> - <dt><code>pswave32</code></dt> - <dd>enable wave32 for pixel shaders (GFX10+)</dd> - <dt><code>shader_ballot</code></dt> - <dd>enable shader ballot</dd> - <dt><code>tccompatcmask</code></dt> - <dd>enable TC-compat cmask for MSAA images</dd> -</dl> -</dd> -<dt><code>RADV_SECURE_COMPILE_THREADS</code></dt> -<dd>maximum number of secure compile threads (up to 32)</dd> -<dt><code>RADV_TEX_ANISO</code></dt> -<dd>force anisotropy filter (up to 16)</dd> -<dt><code>RADV_TRACE_FILE</code></dt> -<dd>generate cmdbuffer tracefiles when a GPU hang is detected</dd> -<dt><code>ACO_DEBUG</code></dt> -<dd>a comma-separated list of named flags, which do various things: -<dl> - <dt><code>validateir</code></dt> - <dd>validate the ACO IR at various points of compilation (enabled by default for debug/debugoptimized builds)</dd> - <dt><code>validatera</code></dt> - <dd>validate register assignment of ACO IR and catches many RA bugs</dd> - <dt><code>perfwarn</code></dt> - <dd>abort on some suboptimal code generation</dd> -</dl> -</dd> -</dl> - -<h3>radeonsi driver environment variables</h3> -<dl> -<dt><code>AMD_DEBUG</code></dt> -<dd>a comma-separated list of named flags, which do various things:</dd> -<dl> -<dd></dd> - <h4>Disable features / workaround flags (useful to diagnose an issue):</h4> - <dt><code>nodma</code></dt> - <dd>Disable SDMA</dd> - <dt><code>nodmaclear</code></dt> - <dd>Disable SDMA clears</dd> - <dt><code>nodmacopyimage</code></dt> - <dd>Disable SDMA image copies</dd> - <dt><code>zerovram</code></dt> - <dd>Clear VRAM allocations.</dd> - <dt><code>nodcc</code></dt> - <dd>Disable DCC.</dd> - <dt><code>nodccclear</code></dt> - <dd>Disable DCC fast clear.</dd> - <dt><code>nodccfb</code></dt> - <dd>Disable separate DCC on the main framebuffer</dd> - <dt><code>nodccmsaa</code></dt> - <dd>Disable DCC for MSAA</dd> - <dt><code>nodpbb</code></dt> - <dd>Disable DPBB.</dd> - <dt><code>nodfsm</code></dt> - <dd>Disable DFSM.</dd> - <dt><code>notiling</code></dt> - <dd>Disable tiling</dd> - <dt><code>nofmask</code></dt> - <dd>Disable MSAA compression</dd> - <dt><code>nohyperz</code></dt> - <dd>Disable Hyper-Z</dd> - <dt><code>norbplus</code></dt> - <dd>Disable RB+.</dd> - <dt><code>no2d</code></dt> - <dd>Disable 2D tiling</dd> - <h4>Info flags:</h4> - <dt><code>info</code></dt> - <dd>Print driver information</dd> - <dt><code>tex</code></dt> - <dd>Print texture info</dd> - <dt><code>compute</code></dt> - <dd>Print compute info</dd> - <dt><code>vm</code></dt> - <dd>Print virtual addresses when creating resources</dd> - <h4>Print shaders flags:</h4> - <dt><code>vs</code></dt> - <dd>Print vertex shaders</dd> - <dt><code>ps</code></dt> - <dd>Print pixel shaders</dd> - <dt><code>gs</code></dt> - <dd>Print geometry shaders</dd> - <dt><code>tcs</code></dt> - <dd>Print tessellation control shaders</dd> - <dt><code>tes</code></dt> - <dd>Print tessellation evaluation shaders</dd> - <dt><code>cs</code></dt> - <dd>Print compute shaders</dd> - <dt><code>noir</code></dt> - <dd>Don't print the LLVM IR</dd> - <dt><code>nonir</code></dt> - <dd>Don't print NIR when printing shaders</dd> - <dt><code>noasm</code></dt> - <dd>Don't print disassembled shaders</dd> - <dt><code>preoptir</code></dt> - <dd>Print the LLVM IR before initial optimizations</dd> - <h4>Shader compilation tuning flags:</h4> - <dt><code>gisel</code></dt> - <dd>Enable LLVM global instruction selector.</dd> - <dt><code>w32ge</code></dt> - <dd>Use Wave32 for vertex, tessellation, and geometry shaders.</dd> - <dt><code>w32ps</code></dt> - <dd>Use Wave32 for pixel shaders.</dd> - <dt><code>w32cs</code></dt> - <dd>Use Wave32 for computes shaders.</dd> - <dt><code>w64ge</code></dt> - <dd>Use Wave64 for vertex, tessellation, and geometry shaders.</dd> - <dt><code>w64ps</code></dt> - <dd>Use Wave64 for pixel shaders.</dd> - <dt><code>w64cs</code></dt> - <dd>Use Wave64 for computes shaders.</dd> - <dt><code>checkir</code></dt> - <dd>Enable additional sanity checks on shader IR</dd> - <dt><code>mono</code></dt> - <dd>Use old-style monolithic shaders compiled on demand</dd> - <dt><code>nooptvariant</code></dt> - <dd>Disable compiling optimized shader variants.</dd> - <h4>Advanced usage flags:</h4> - <dt><code>forcedma</code></dt> - <dd>Use SDMA for all operations when possible.</dd> - <dt><code>nowc</code></dt> - <dd>Disable GTT write combining</dd> - <dt><code>check_vm</code></dt> - <dd>Check VM faults and dump debug info.</dd> - <dt><code>reserve_vmid</code></dt> - <dd>Force VMID reservation per context.</dd> - <dt><code>nogfx</code></dt> - <dd>Disable graphics. Only multimedia compute paths can be used.</dd> - <dt><code>nongg</code></dt> - <dd>Disable NGG and use the legacy pipeline.</dd> - <dt><code>nggc</code></dt> - <dd>Always use NGG culling even when it can hurt.</dd> - <dt><code>nonggc</code></dt> - <dd>Disable NGG culling.</dd> - <dt><code>alwayspd</code></dt> - <dd>Always enable the primitive discard compute shader.</dd> - <dt><code>pd</code></dt> - <dd>Enable the primitive discard compute shader for large draw calls.</dd> - <dt><code>nopd</code></dt> - <dd>Disable the primitive discard compute shader.</dd> - <dt><code>switch_on_eop</code></dt> - <dd>Program WD/IA to switch on end-of-packet.</dd> - <dt><code>nooutoforder</code></dt> - <dd>Disable out-of-order rasterization</dd> - <dt><code>dpbb</code></dt> - <dd>Enable DPBB.</dd> - <dt><code>dfsm</code></dt> - <dd>Enable DFSM.</dd> -</dl> - -<p> -Other Gallium drivers have their own environment variables. These may change -frequently so the source code should be consulted for details. -</p> - -</div> -</body> -</html> |