mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
162 lines
4.3 KiB
162 lines
4.3 KiB
|
|
Mesa 4.0 release notes |
|
|
|
October 18, 2001 |
|
|
|
PLEASE READ!!!! |
|
|
|
|
|
|
|
Introduction |
|
------------ |
|
|
|
Mesa uses an even/odd version number scheme like the Linux kernel. |
|
Odd numbered versions (such as 3.3) designate new developmental releases. |
|
Even numbered versions (such as 3.4) designate stable releases. |
|
|
|
Mesa version 4.0 signifies two things: |
|
|
|
1. A stabilization of the 3.5 development release |
|
2. Implementation of the OpenGL 1.3 specification |
|
|
|
|
|
Note that the Mesa major version number is incremented with the OpenGL |
|
minor version number: |
|
|
|
Mesa 1.x == OpenGL 1.0 |
|
Mesa 2.x == OpenGL 1.1 |
|
Mesa 3.x == OpenGL 1.2 |
|
Mesa 4.x == OpenGL 1.3 |
|
|
|
|
|
|
|
New Features |
|
------------ |
|
|
|
Mesa 3.5 already had all the new features of OpenGL 1.3, implemented as |
|
extensions. These extensions were simply promoted to standard features: |
|
|
|
GL_ARB_multisample |
|
GL_ARB_multitexture |
|
GL_ARB_texture_border_clamp |
|
GL_ARB_texture_compression |
|
GL_ARB_texture_cube_map |
|
GL_ARB_texture_env_add |
|
GL_ARB_texture_env_combine |
|
GL_ARB_texture_env_dot3 |
|
GL_ARB_transpose_matrix |
|
|
|
In Mesa 4.0 the functions defined by these extensions are now available |
|
without the "ARB" suffix. For example, glLoadTransposeMatrixf() is now |
|
a standard API function. The new functions in OpenGL 1.3 and Mesa 4.0 are: |
|
|
|
glActiveTexture |
|
glClientActiveTexture |
|
glCompressedTexImage1D |
|
glCompressedTexImage2D |
|
glCompressedTexImage3D |
|
glCompressedTexSubImage1D |
|
glCompressedTexSubImage2D |
|
glCompressedTexSubImage3D |
|
glGetCompressedTexImage |
|
glLoadTransposeMatrixd |
|
glLoadTransposeMatrixf |
|
glMultiTexCoord1d |
|
glMultiTexCoord1dv |
|
glMultiTexCoord1f |
|
glMultiTexCoord1fv |
|
glMultiTexCoord1i |
|
glMultiTexCoord1iv |
|
glMultiTexCoord1s |
|
glMultiTexCoord1sv |
|
glMultiTexCoord2d |
|
glMultiTexCoord2dv |
|
glMultiTexCoord2f |
|
glMultiTexCoord2fv |
|
glMultiTexCoord2i |
|
glMultiTexCoord2iv |
|
glMultiTexCoord2s |
|
glMultiTexCoord2sv |
|
glMultiTexCoord3d |
|
glMultiTexCoord3dv |
|
glMultiTexCoord3f |
|
glMultiTexCoord3fv |
|
glMultiTexCoord3i |
|
glMultiTexCoord3iv |
|
glMultiTexCoord3s |
|
glMultiTexCoord3sv |
|
glMultiTexCoord4d |
|
glMultiTexCoord4dv |
|
glMultiTexCoord4f |
|
glMultiTexCoord4fv |
|
glMultiTexCoord4i |
|
glMultiTexCoord4iv |
|
glMultiTexCoord4s |
|
glMultiTexCoord4sv |
|
glMultTransposeMatrixd |
|
glMultTransposeMatrixf |
|
glSampleCoverage |
|
glSamplePass |
|
|
|
|
|
GLX 1.4 is the companion to OpenGL 1.3. The only new features in GLX 1.4 |
|
are support for multisampling and the GLX_ARB_get_proc_address extension. |
|
glXGetProcAddress() is the only new function in GLX 1.4. |
|
|
|
|
|
|
|
Multisample and Texture Compression |
|
----------------------------------- |
|
|
|
The OpenGL 1.3 specification allows the multisample and texture compression |
|
features to essentially be no-ops. For example, if you query for multisample |
|
support you'll find none, but the API functions work. |
|
|
|
Similarly, texture compression is not implemented by any of the software |
|
drivers but you can specify a generic compressed texture format (like |
|
GL_COMPRESSED_RGBA) to glTexImage2D and it'll be accepted. |
|
|
|
|
|
|
|
Device Drivers |
|
-------------- |
|
|
|
Mesa advertises itself as either OpenGL 1.2 or OpenGL 1.3 depending on the |
|
device driver. If the driver enables all the ARB extensions which are part |
|
of OpenGL 1.3 then glGetString(GL_VERSION) will return "1.3". Otherwise, |
|
it'll return "1.2". |
|
|
|
A number of Mesa's software drivers haven't been actively maintained for |
|
some time. We rely on volunteers to maintain many of the drivers. |
|
Here's the current status of all included drivers: |
|
|
|
|
|
Driver Status |
|
---------------------- --------------------- |
|
XMesa (Xlib) implements OpenGL 1.3 |
|
OSMesa (off-screen) implements OpenGL 1.3 |
|
FX (3dfx Voodoo1/2) implements OpenGL 1.3 |
|
SVGA implements OpenGL 1.3 |
|
Wind River UGL implements OpenGL 1.3 |
|
Windows/Win32 implements OpenGL 1.3 |
|
GGI needs updating |
|
DOS/DJGPP needs updating |
|
BeOS needs updating |
|
Allegro needs updating |
|
D3D needs updating |
|
DOS needs updating |
|
|
|
Special thanks go to Karl Schultz for updating the Windows driver. |
|
|
|
The XFree86/DRI drivers have not yet been updated to use Mesa 4.0 as of |
|
September 2001, but that should happen eventually. |
|
|
|
|
|
|
|
Other Changes |
|
------------- |
|
|
|
See the VERSIONS file for more details about bug fixes, etc. in Mesa 4.0. |
|
|
|
|
|
----------------------------------------------------------------------
|
|
|