Lines Matching +full:- +full:- +full:enable +full:- +full:vc4
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22 sometimes be useful for debugging end-user issues.
29 <li>LIBGL_DEBUG - If defined debug information will be printed to stderr.
31 <li>LIBGL_DRIVERS_PATH - colon-separated list of paths to search for DRI drivers
32 <li>LIBGL_ALWAYS_INDIRECT - if set to `true`, forces an indirect rendering context/connection.
33 <li>LIBGL_ALWAYS_SOFTWARE - if set to `true`, always use software rendering
34 <li>LIBGL_NO_DRAWARRAYS - if set to `true`, do not use DrawArrays GLX protocol (for debugging)
35 <li>LIBGL_SHOW_FPS - print framerate to stdout based on the number of glXSwapBuffers
37 <li>LIBGL_DRI3_DISABLE - disable DRI3 if set to `true`.
45 <li>MESA_NO_ASM - if set, disables all assembly language optimizations
46 <li>MESA_NO_MMX - if set, disables Intel MMX optimizations
47 <li>MESA_NO_3DNOW - if set, disables AMD 3DNow! optimizations
48 <li>MESA_NO_SSE - if set, disables Intel SSE optimizations
49 <li>MESA_NO_ERROR - if set to 1, error checking is disabled as per KHR_no_error.
52 <li>MESA_DEBUG - if set, error messages are printed to stderr. For example,
59 MESA_DEBUG accepts the following comma-separated list of named
62 <li>silent - turn off debug messages. Only useful for debug builds.</li>
63 <li>flush - flush after each drawing command</li>
64 <li>incomplete_tex - extra debug messages when a texture is incomplete</li>
65 <li>incomplete_fbo - extra debug messages when a fbo is incomplete</li>
66 <li>context - create a debug context (see GLX_CONTEXT_DEBUG_BIT_ARB) and
69 <li>MESA_LOG_FILE - specifies a file name for logging all errors, warnings,
71 <li>MESA_TEX_PROG - if set, implement conventional texture env modes with
73 <li>MESA_TNL_PROG - if set, implement conventional vertex transformation
76 <li>MESA_EXTENSION_OVERRIDE - can be used to enable/disable extensions.
77 A value such as "GL_EXT_foo -GL_EXT_bar" will enable the GL_EXT_foo extension
79 <li>MESA_EXTENSION_MAX_YEAR - The GL_EXTENSIONS string returned by Mesa is sorted
83 This is to work-around a bug in some games where the extension string is
84 copied into a fixed-size buffer without truncating.
87 This is a work-around for that.
88 <li>MESA_GL_VERSION_OVERRIDE - changes the value returned by
97 <li>GL versions <= 3.0 are set to a compatibility (non-Core)
105 <li>2.1 - select a compatibility (non-Core) profile with GL
107 <li>3.0 - select a compatibility (non-Core) profile with GL
109 <li>3.0FC - select a Core+Forward Compatible profile with GL
111 <li>3.1 - select GL version 3.1 with GL_ARB_compatibility enabled
113 <li>3.1FC - select GL version 3.1 with forward compatibility and
115 <li>3.1COMPAT - select GL version 3.1 with GL_ARB_compatibility
117 <li>X.Y - override GL version to X.Y without changing the profile.
118 <li>X.YFC - select a Core+Forward Compatible profile with GL
120 <li>X.YCOMPAT - select a Compatibility profile with GL version
126 <li>MESA_GLES_VERSION_OVERRIDE - changes the value returned by
134 <li>MESA_GLSL_VERSION_OVERRIDE - changes the value returned by
138 <li>MESA_GLSL_CACHE_DISABLE - if set to `true`, disables the GLSL shader cache
139 <li>MESA_GLSL_CACHE_MAX_SIZE - if set, determines the maximum size of
140 the on-disk cache of compiled GLSL programs. Should be set to a number
147 <li>MESA_GLSL_CACHE_DIR - if set, determines the directory to be used
148 for the on-disk cache of compiled GLSL programs. If this variable is
152 <li>MESA_GLSL - <a href="shading.html#envvars">shading language compiler options</a>
153 <li>MESA_NO_MINMAX_CACHE - when set, the minmax index cache is globally disabled.
154 <li>MESA_SHADER_CAPTURE_PATH - see <a href="shading.html#capture">Capturing Shaders</a></li>
155 <li>MESA_SHADER_DUMP_PATH and MESA_SHADER_READ_PATH - see <a href="shading.html#replacement">Experi…
166 <li>MESA_RGB_VISUAL - specifies the X visual and depth for RGB mode
167 <li>MESA_CI_VISUAL - specifies the X visual and depth for CI mode
168 <li>MESA_BACK_BUFFER - specifies how to implement the back color buffer,
170 <li>MESA_GAMMA - gamma correction coefficients for red, green, blue channels
171 <li>MESA_XSYNC - enable synchronous X behavior (for debugging only)
172 <li>MESA_GLX_FORCE_CI - if set, force GLX to treat 8bpp visuals as CI visuals
173 <li>MESA_GLX_FORCE_ALPHA - if set, forces RGB windows to have an alpha channel.
174 <li>MESA_GLX_DEPTH_BITS - specifies default number of bits for depth buffer.
175 <li>MESA_GLX_ALPHA_BITS - specifies default number of bits for alpha channel.
179 <h2>i945/i965 driver environment variables (non-Gallium)</h2>
182 <li>INTEL_NO_HW - if set to 1, prevents batches from being submitted to the hardware.
184 <li>INTEL_DEBUG - a comma-separated list of named flags, which do various things:
186 <li>ann - annotate IR in assembly dumps</li>
187 <li>aub - dump batches into an AUB trace for use with simulation tools</li>
188 <li>bat - emit batch information</li>
189 <li>blit - emit messages about blit operations</li>
190 <li>blorp - emit messages about the blorp operations (blits & clears)</li>
191 <li>buf - emit messages about buffer objects</li>
192 <li>clip - emit messages about the clip unit (for old gens, includes the CLIP program)</li>
193 <li>color - use color in output</li>
194 <li>cs - dump shader assembly for compute shaders</li>
195 …<li>do32 - generate compute shader SIMD32 programs even if workgroup size doesn't exceed the SIMD1…
196 <li>dri - emit messages about the DRI interface</li>
197 <li>fbo - emit messages about framebuffers</li>
198 <li>fs - dump shader assembly for fragment shaders</li>
199 <li>gs - dump shader assembly for geometry shaders</li>
200 <li>hex - print instruction hex dump with the disassembly</li>
201 <li>l3 - emit messages about the new L3 state during transitions</li>
202 <li>miptree - emit messages about miptrees</li>
203 <li>no8 - don't generate SIMD8 fragment shader</li>
204 …<li>no16 - suppress generation of 16-wide fragment shaders. useful for debugging broken shaders</l…
205 <li>nocompact - disable instruction compaction</li>
206 <li>nodualobj - suppress generation of dual-object geometry shader code</li>
207 <li>norbc - disable single sampled render buffer compression</li>
208 …<li>optimizer - dump shader assembly to files at each optimization pass and iteration that make pr…
209 <li>perf - emit messages about performance issues</li>
210 <li>perfmon - emit messages about AMD_performance_monitor</li>
211 <li>pix - emit messages about pixel operations</li>
212 <li>prim - emit messages about drawing primitives</li>
213 <li>reemit - mark all state dirty on each draw call</li>
214 …<li>sf - emit messages about the strips & fans unit (for old gens, includes the SF program)</l…
215 <li>shader_time - record how much GPU time is spent in each shader</li>
216 …<li>spill_fs - force spilling of all registers in the scalar backend (useful to debug spilling cod…
217 …<li>spill_vec4 - force spilling of all registers in the vec4 backend (useful to debug spilling cod…
218 <li>state - emit messages about state flag tracking</li>
219 <li>submit - emit batchbuffer usage statistics</li>
220 …<li>sync - after sending each batch, emit a message and wait for that batch to finish rendering</l…
221 <li>tcs - dump shader assembly for tessellation control shaders</li>
222 <li>tes - dump shader assembly for tessellation evaluation shaders</li>
223 <li>tex - emit messages about textures.</li>
224 <li>urb - emit messages about URB setup</li>
225 <li>vert - emit messages about vertex assembly</li>
226 <li>vs - dump shader assembly for vertex shaders</li>
228 <li>INTEL_SCALAR_VS (or TCS, TES, GS) - force scalar/vec4 mode for a shader stage (Gen8-9 only)</li>
229 <li>INTEL_PRECISE_TRIG - if set to 1, true or yes, then the driver prefers
237 <li>RADEON_NO_TCL - if set, disable hardware-accelerated Transform/Clip/Lighting.
252 <li>GALLIUM_HUD - draws various information on the screen, like framerate,
255 <li>GALLIUM_HUD_PERIOD - sets the hud update rate in seconds (float). Use zero
257 <li>GALLIUM_HUD_VISIBLE - control default visibility, defaults to true.
258 <li>GALLIUM_HUD_TOGGLE_SIGNAL - toggle visibility via user specified signal.
262 Use kill -10 <pid> to toggle the hud as desired.
263 <li>GALLIUM_HUD_DUMP_DIR - specifies a directory for writing the displayed
265 <li>GALLIUM_DRIVER - useful in combination with LIBGL_ALWAYS_SOFTWARE=true for
267 <li>GALLIUM_LOG_FILE - specifies a file for logging all errors, warnings, etc.
269 <li>GALLIUM_PRINT_OPTIONS - if non-zero, print all the Gallium environment
271 <li>GALLIUM_DUMP_CPU - if non-zero, print information about the CPU on start-up
272 <li>TGSI_PRINT_SANITY - if set, do extra sanity checking on TGSI shaders and
274 <LI>DRAW_FSE - ???
275 <LI>DRAW_NO_FSE - ???
276 <li>DRAW_USE_LLVM - if set to zero, the draw module will not use LLVM to execute
278 <li>ST_DEBUG - controls debug output from the Mesa/Gallium state tracker.
286 <li>CLOVER_EXTRA_BUILD_OPTIONS - allows specifying additional compiler and linker
289 <li>CLOVER_EXTRA_COMPILE_OPTIONS - allows specifying additional compiler
292 <li>CLOVER_EXTRA_LINK_OPTIONS - allows specifying additional linker
300 <li>SOFTPIPE_DUMP_FS - if set, the softpipe driver will print fragment shaders
302 <li>SOFTPIPE_DUMP_GS - if set, the softpipe driver will print geometry shaders
304 <li>SOFTPIPE_NO_RAST - if set, rasterization is no-op'd. For profiling purposes.
305 <li>SOFTPIPE_USE_LLVM - if set, the softpipe driver will try to use LLVM JIT for
312 <li>LP_NO_RAST - if set LLVMpipe will no-op rasterization
313 <li>LP_DEBUG - a comma-separated list of debug options is accepted. See the
315 <li>LP_PERF - a comma-separated list of options to selectively no-op various
317 <li>LP_NUM_THREADS - an integer indicating how many threads to use for rendering.
324 <li>SVGA_FORCE_SWTNL - force use of software vertex transformation
325 <li>SVGA_NO_SWTNL - don't allow software vertex transformation fallbacks
327 <li>SVGA_DEBUG - for dumping shaders, constant buffers, etc. See the code
329 <li>SVGA_EXTRA_LOGGING - if set, enables extra logging to the vmware.log file,
331 <li>See the driver code for other, lesser-used variables.
335 <h3>VA-API state tracker environment variables</h3>
337 <li>VAAPI_MPEG4_ENABLED - enable MPEG4 for VA-API, disabled by default.
341 <h3>VC4 driver environment variables</h3>
343 <li>VC4_DEBUG - a comma-separated list of named flags, which do various things:
345 <li>cl - dump command list during creation</li>
346 <li>qpu - dump generated QPU instructions</li>
347 <li>qir - dump QPU IR during program compile</li>
348 <li>nir - dump NIR during program compile</li>
349 <li>tgsi - dump TGSI during program compile</li>
350 <li>shaderdb - dump program compile information for shader-db analysis</li>
351 <li>perf - print during performance-related events</li>
352 <li>norast - skip actual hardware execution of commands</li>
353 <li>always_flush - flush after each draw call</li>
354 <li>always_sync - wait for finish after each flush</li>
355 <li>dump - write a GPU command stream trace file (VC4 simulator only)</li>