| Brian Paul | ed9bd82 | 2010-01-20 08:58:46 -0700 | [diff] [blame^] | 1 | <HTML> |
| 2 | |
| 3 | <TITLE>Mesa Source Tree</TITLE> |
| 4 | |
| 5 | <link rel="stylesheet" type="text/css" href="mesa.css"></head> |
| 6 | |
| 7 | <BODY> |
| 8 | |
| 9 | <h1>Mesa source code tree overview</h1> |
| 10 | |
| 11 | <p> |
| 12 | This is a brief summary of Mesa's directory tree and what's contained in |
| 13 | each directory. |
| 14 | </p> |
| 15 | |
| 16 | |
| 17 | <ul> |
| 18 | <li><b>docs</b> - Documentation |
| 19 | <li><b>include</b> - Public OpenGL header files |
| 20 | <li><b>src</b> |
| 21 | <ul> |
| 22 | <li><b>egl</b> - EGL library sources |
| 23 | <ul> |
| 24 | <li><b>docs</b> - EGL documentation |
| 25 | <li><b>drivers</b> - EGL drivers |
| 26 | <li><b>main</b> - main EGL library implementation. This is where all |
| 27 | the EGL API functions are implemented, like eglCreateContext(). |
| 28 | </ul> |
| 29 | <li><b>mesa</b> - Main Mesa sources |
| 30 | <ul> |
| 31 | <li><b>glapi</b> - OpenGL API dispatch layer. This is where all the |
| 32 | GL entrypoints like glClear, glBegin, etc. are generated, as well as |
| 33 | the GL dispatch table. All GL function calls jump through the |
| 34 | dispatch table to functions found in main/. |
| 35 | <li><b>main</b> - The core Mesa code (mainly state management) |
| 36 | <li><b>drivers</b> - Mesa drivers (not used with Gallium) |
| 37 | <ul> |
| 38 | <li><b>common</b> - code which may be shared by all drivers |
| 39 | <li><b>dri</b> - Direct Rendering Infrastructure drivers |
| 40 | <ul> |
| 41 | <li><b>common</b> - code shared by all DRI drivers |
| 42 | <li><b>i915</b> - driver for Intel i915/i945 |
| 43 | <li><b>i965</b> - driver for Intel i965 |
| 44 | <li>XXX more |
| 45 | </ul> |
| 46 | <li><b>x11</b> - Xlib-based software driver |
| 47 | <li><b>osmesa</b> - off-screen software driver |
| 48 | <li><b>glslcompiler</b> - a stand-alone GLSL compiler driver |
| 49 | <li>XXX more |
| 50 | </ul> |
| 51 | <li><b>math</b> - vertex array translation and transformation code |
| 52 | (not used with Gallium) |
| 53 | <li><b>ppc</b> - Assembly code/optimizations for PPC systems |
| 54 | (not used with Gallium) |
| 55 | <li><b>shader</b> - Vertex/fragment shader and GLSL compiler code |
| 56 | <li><b>sparc</b> - Assembly code/optimizations for SPARC systems |
| 57 | (not used with Gallium) |
| 58 | <li><b>state_tracker</b> - State tracker / driver for Gallium. This |
| 59 | is basically a Mesa device driver that speaks to Gallium. This |
| 60 | directory may be moved to src/mesa/drivers/gallium at some point. |
| 61 | <li><b>swrast</b> - Software rasterization module. For drawing points, |
| 62 | lines, triangles, bitmaps, images, etc. in software. |
| 63 | (not used with Gallium) |
| 64 | <li><b>swrast_setup</b> - Software primitive setup. Does things like |
| 65 | polygon culling, glPolygonMode, polygon offset, etc. |
| 66 | (not used with Gallium) |
| 67 | <li><b>tnl</b> - Software vertex Transformation 'n Lighting. |
| 68 | (not used with Gallium) |
| 69 | <li><b>tnl_dd</b> - TNL code for device drivers. |
| 70 | (not used with Gallium) |
| 71 | <li><b>vbo</b> - Vertex Buffer Object code. All drawing with |
| 72 | glBegin/glEnd, glDrawArrays, display lists, etc. goes through this |
| 73 | module. The results is a well-defined set of vertex arrays which |
| 74 | are passed to the device driver (or tnl module) for rendering. |
| 75 | <li><b>vf</b> - vertex format conversion (currently unused) |
| 76 | <li><b>x86</b> - Assembly code/optimizations for 32-bit x86 systems |
| 77 | (not used with Gallium) |
| 78 | <li><b>x86-64</b> - Assembly code/optimizations for 64-bit x86 systems |
| 79 | (not used with Gallium) |
| 80 | </ul> |
| 81 | <li><b>gallium</b> - Gallium3D source code |
| 82 | <ul> |
| 83 | <li><b>include</b> - Gallium3D header files which define the Gallium3D |
| 84 | interfaces |
| 85 | <li><b>drivers</b> - Gallium3D device drivers |
| 86 | <ul> |
| 87 | <li><b>cell</b> - Driver for Cell processor. |
| 88 | <li><b>i915</b> - Driver for Intel i915/i945. |
| 89 | <li><b>i965</b> - Driver for Intel i965. |
| 90 | <li><b>llvmpipe</b> - Software driver using LLVM for runtime code generation. |
| 91 | <li><b>nv*</b> - Drivers for NVIDIA GPUs. |
| 92 | <li><b>r300</b> - Driver for ATI/AMD R300. |
| 93 | <li><b>softpipe</b> - Software reference driver. |
| 94 | <li><b>svga</b> - Driver for VMware's SVGA virtual GPU. |
| 95 | <li><b>trace</b> - Driver for tracing Gallium calls. |
| 96 | <li>XXX more |
| 97 | </ul> |
| 98 | <li><b>auxiliary</b> - Gallium support code |
| 99 | <ul> |
| 100 | <li><b>draw</b> - Software vertex processing and primitive assembly |
| 101 | module. This includes vertex program execution, clipping, culling |
| 102 | and optional stages for drawing wide lines, stippled lines, |
| 103 | polygon stippling, two-sided lighting, etc. |
| 104 | Intended for use by drivers for hardware that does not have |
| 105 | vertex shaders. |
| 106 | Geometry shaders will also be implemented in this module. |
| 107 | <li><b>cso_cache</b> - Constant State Objects Cache. Used to filter out |
| 108 | redundant state changes between state trackers and drivers. |
| 109 | <li><b>gallivm</b> - LLVM module for Gallium. For LLVM-based |
| 110 | compilation, optimization and code generation for TGSI shaders. |
| 111 | Incomplete. |
| 112 | <li><b>pipebuffer</b> - utility module for managing buffers |
| 113 | <li><b>rbug</b> - Gallium remote debug utility |
| 114 | <li><b>rtasm</b> - run-time assembly/machine code generation. |
| 115 | Currently there's run-time code generation for x86/SSE, PowerPC |
| 116 | and Cell SPU. |
| 117 | <li><b>tgsi</b> - TG Shader Infrastructure. Code for encoding, |
| 118 | manipulating and interpretting GPU programs. |
| 119 | <li><b>translate</b> - module for translating vertex data from one format |
| 120 | to another. |
| 121 | <li><b>util</b> - assorted utilities for arithmetic, hashing, surface |
| 122 | creation, memory management, 2D blitting, simple rendering, etc. |
| 123 | </ul> |
| 124 | <li><b>state_trackers</b> - |
| 125 | <ul> |
| 126 | <li><b>dri</b> - |
| 127 | <li><b>egl</b> - |
| 128 | <li><b>es</b> - |
| 129 | <li><b>g3dvl</b> - |
| 130 | <li><b>glx</b> - |
| 131 | <li><b>python</b> - |
| 132 | <li><b>vega</b> - |
| 133 | <li><b>wgl</b> - |
| 134 | <li><b>xorg</b> - |
| 135 | </ul> |
| 136 | <li><b>winsys</b> - |
| 137 | <ul> |
| 138 | <li><b>drm</b> - |
| 139 | <li><b>egl_xlib</b> - |
| 140 | <li><b>g3dvl</b> - |
| 141 | <li><b>gdi</b> - |
| 142 | <li><b>xlib</b> - |
| 143 | </ul> |
| 144 | </ul> |
| 145 | </ul> |
| 146 | <ul> |
| 147 | <li><b>glu</b> - The OpenGL Utility library |
| 148 | <ul> |
| 149 | <li><b>sgi</b> - GLU from SGI |
| 150 | <li><b>mesa</b> - Mesa version of GLU (deprecated) |
| 151 | </ul> |
| 152 | <li><b>glut</b> - Mark Kilgard's OpenGL OpenGL Utility Toolkit library |
| 153 | <li><b>glx</b> - The GLX library code for building libGL. This is used for |
| 154 | direct rendering drivers. It will dynamically load one of the |
| 155 | xxx_dri.so drivers. |
| 156 | <li><b>glw</b> - Widgets for Xt/Motif. |
| 157 | <li><b>glew</b> - OpenGL Extension Wrangler library (used by demo programs) |
| 158 | </ul> |
| 159 | <li><b>progs</b> - OpenGL test and demonstration programs |
| 160 | <li><b>lib</b> - where the GL libraries are placed |
| 161 | </ul> |
| 162 | |
| 163 | |
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| 165 | </HTML> |