docs: add some missing stuff to sourcetree.rst
I alphabetised some lists, but did not attempt to fix the inconsistent formatting. v2: added more info v3: rework for the new format Signed-off-by: Miklós Máté <mtmkls@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5367>
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Miklós Máté
@@ -31,11 +31,28 @@ each directory.
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- **main** - main EGL library implementation. This is where all
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the EGL API functions are implemented, like eglCreateContext().
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- **freedreno** - Adreno-specific sources
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- **fdl** - mipmap layout manager
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- **vulkan** - Turnip is a Vulkan implementation for
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Qualcomm Adreno
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- **gbm** - Generic Buffer Manager is a memory allocator for
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device buffers
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- **intel** - Intel-specific sources
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- **blorp** - BLit Or Resolve Pass is a blit and HiZ resolve framework
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- **vulkan** - Anvil is a Vulkan implementation for Intel gen 7
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(Ivy Bridge) and newer
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- **mapi** - Mesa APIs
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- **glapi** - OpenGL API dispatch layer. This is where all the GL
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entrypoints like glClear, glBegin, etc. are generated, as well as
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the GL dispatch table. All GL function calls jump through the
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dispatch table to functions found in main/.
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- **glapi** - OpenGL API dispatch layer. This is where all the GL
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entrypoints like glClear, glBegin, etc. are generated, as well as
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the GL dispatch table. All GL function calls jump through the
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dispatch table to functions found in main/.
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- **mesa** - Main Mesa sources
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- **main** - The core Mesa code (mainly state management)
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@@ -47,13 +64,14 @@ each directory.
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- **common** - code shared by all DRI drivers
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- **i915** - driver for Intel i915/i945
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- **i965** - driver for Intel i965
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- **nouveau** - driver for nVidia nv04/nv10/nv20
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- **radeon** - driver for ATI R100
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- **r200** - driver for ATI R200
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- XXX more
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- **swrast** - software rasterizer driver that uses the
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swrast module
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- **x11** - Xlib-based software driver
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- **osmesa** - off-screen software driver
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- XXX more
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- **math** - vertex array translation and transformation code
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(not used with Gallium)
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@@ -90,22 +108,34 @@ each directory.
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interfaces
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- **drivers** - Gallium3D device drivers
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- **etnaviv** - Driver for Vivante.
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- **freedreno** - Driver for Qualcomm Adreno.
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- **i915** - Driver for Intel i915/i945.
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- **iris** - Driver for Intel gen 8 (Broadwell) and newer.
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- **lima** - Driver for ARM Mali-400 (Utgard) series.
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- **llvmpipe** - Software driver using LLVM for runtime code
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generation.
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- **nouveau** - Driver for NVIDIA GPUs.
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- **panfrost** - Driver for ARM Mali Txxx (Midgard) and
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Gxx (Bifrost) GPUs.
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- **radeon** - Shared module for the r600 and radeonsi
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drivers.
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- **radeonsi** - Driver for AMD Southern Island.
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- **r300** - Driver for ATI R300 - R500.
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- **r600** - Driver for ATI/AMD R600 - Northern Island.
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- **r600** - Driver for ATI/AMD R600 - Northern Island (Terascale).
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- **radeonsi** - Driver for AMD Southern Island and newer (GCN, RDNA).
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- **softpipe** - Software reference driver.
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- **svga** - Driver for VMware's SVGA virtual GPU.
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- **trace** - Driver for tracing Gallium calls.
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- XXX more
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- **swr** - Software driver with massively parellel vertex processing.
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- **tegra** - Driver for NVIDIA Tegra GPUs.
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- **v3d** - Driver for Broadcom VideoCore 5 and newer.
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- **vc4** - Driver for Broadcom VideoCore 4.
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- **virgl** - Driver for Virtio virtual GPU of QEMU.
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- **zink** - Driver that uses Vulkan for rendering.
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- **auxiliary** - Gallium support code
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- **cso_cache** - Constant State Objects Cache. Used to filter
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out redundant state changes between frontends and drivers.
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- **draw** - Software vertex processing and primitive assembly
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module. This includes vertex program execution, clipping,
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culling and optional stages for drawing wide lines, stippled
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@@ -113,16 +143,17 @@ each directory.
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for use by drivers for hardware that does not have vertex
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shaders. Geometry shaders will also be implemented in this
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module.
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- **cso_cache** - Constant State Objects Cache. Used to filter
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out redundant state changes between frontends and drivers.
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- **gallivm** - LLVM module for Gallium. For LLVM-based
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compilation, optimization and code generation for TGSI
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shaders. Incomplete.
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- **hud** - Heads-Up Display, an overlay showing GPU statistics
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- **pipebuffer** - utility module for managing buffers
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- **rbug** - Gallium remote debug utility
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- **rtasm** - run-time assembly/machine code generation.
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Currently there's run-time code generation for x86/SSE,
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PowerPC and Cell SPU.
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- **tessellator**- used by software drivers to implement
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tessellation shaders
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- **tgsi** - TG Shader Infrastructure. Code for encoding,
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manipulating and interpreting GPU programs.
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- **translate** - module for translating vertex data from one
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@@ -130,29 +161,51 @@ each directory.
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- **util** - assorted utilities for arithmetic, hashing,
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surface creation, memory management, 2D blitting, simple
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rendering, etc.
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- **vl** - utility code for video decode/encode
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- XXX more
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- **frontends** -
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- **frontends** - These implement various libraries using the
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device drivers
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- **clover** - OpenCL frontend
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- **dri** - Meta frontend for DRI drivers
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- **dri** - Meta frontend for DRI drivers, see mesa/state_tracker
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- **glx** - Meta frontend for GLX
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- **hgl** - Haiku OpenGL
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- **nine** - D3D9 frontend, see targets/d3dadapter9
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- **omx** - OpenMAX Bellagio frontend
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- **osmesa** - Off-screen OpenGL rendering library
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- **va** - VA-API frontend
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- **vdpau** - VDPAU frontend
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- **wgl** - Windows WGL frontend
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- **xa** - XA frontend
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- **xvmc** - XvMC frontend
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- **vdpau** - VDPAU frontend
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- **va** - VA-API frontend
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- **omx_bellagio** - OpenMAX Bellagio frontend
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- **winsys** -
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- **winsys** - The device drivers are platform-independent, the
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winsys connects them to various platforms. There is usually one winsys
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per device family, and within the winsys directory there can be
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multiple flavors connecting to different platforms.
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- **drm** -
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- **gdi** -
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- **xlib** -
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- **drm** - Direct Rendering Manager on Linux
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- **gdi** - Windows
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- **xlib** - indirect rendering on X Window System
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- XXX more
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- **glx** - The GLX library code for building libGL using DRI
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- **targets** - These control how the Gallium code is compiled into
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different libraries. Each of these roughly corresponds to one frontend.
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- **d3dadapter9** - d3dadapter9.so for Wine
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- **dri** - libgallium_dri.so loaded by libGL.so
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- **graw** - raw gallium interface without a frontend
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- XXX more
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- **glx** - The GLX library code for building libGL.so using DRI
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drivers.
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- **loader** - Used by libGL.so to find and load the appropriate DRI driver.
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- **panfrost** - Panfrost-specific sources
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- **lib** - hardlinks to most binaries as produced by the build system.
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These (shortcuts) are used for development purposes in conjunction
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with LD_LIBRARY_PATH and/or LIBGL_DRIVERS_PATH.
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- **bifrost** - shader compiler for the Bifrost generation GPUs
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- **midgard** - shader compiler for the Midgard generation GPUs
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- **pandecode** - command stream debugger
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- **util** - Various utility codes
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- **vulkan** - Common code for Vulkan drivers
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