docs/relnotes/7.5.html - platform/external/mesa3d - Gitiles

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 <div class="header">
   <h1>The Mesa 3D Graphics Library</h1>
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 <h1>Mesa 7.5 Release Notes / 17 July 2009</h1>

 <p>
 Mesa 7.5 is a new development release.
 People who are concerned with stability and reliability should stick
 with the 7.4.x branch or wait for Mesa 7.5.1.
 </p>
 <p>
 The main new feature of Mesa 7.5 is the
 <a href="http://wiki.freedesktop.org/wiki/Software/gallium">Gallium3D</a> infrastructure.
 </p>
 <p>
 Mesa 7.5 implements the OpenGL 2.1 API, but the version reported by
 glGetString(GL_VERSION) depends on the particular driver being used.
 Some drivers don't support all the features required in OpenGL 2.1.
 </p>
 <p>
 See the <a href="../install.html">Compiling/Installing page</a> for prerequisites
 for DRI hardware acceleration.
 </p>
 <p>
 Note that the Mesa project is no longer using odd/even version numbers
 to indicate development/stable releases.
 The so-called development releases have been fairly stable.
 If you're especially concerned with stability you should probably look for
 "point" releases such as 7.5.1 which will be a bug-fix release.
 </p>


 <h2>MD5 checksums</h2>
 <pre>
 553fd956e544727f30fbe249619b6286  MesaLib-7.5.tar.gz
 459f332551f6ebb86f384d21dd15e1f0  MesaLib-7.5.tar.bz2
 8c02c0e17a9025250d20424ae32f5163  MesaLib-7.5.zip
 a188da2886fa5496ea0c2cda602b2eeb  MesaDemos-7.5.tar.gz
 398ee8801814a00e47f6c2314e3dfddc  MesaDemos-7.5.tar.bz2
 15a0c8ae013c54335a26335e1a98d609  MesaDemos-7.5.zip
 81010147def5a644ba14f9bbb7a49a2a  MesaGLUT-7.5.tar.gz
 baa7a1e850b6e39bae58868fd0684004  MesaGLUT-7.5.tar.bz2
 265228418e4423fa328f2f5b7970cf08  MesaGLUT-7.5.zip
 </pre>


 <h2>New features</h2>
 <ul>
 <li>Gallium3D - this is the new architecture for OS-independent and
     API-independent 3D drivers.
     Gallium3D is intended for GPUs that fully support  vertex/fragment shaders.
     The Gallium3D drivers currently included are:
     <ul>
     <li>softpipe - a software/reference driver
     <li>i915 - Intel 915/945 driver
     <li>Cell - IBM/Sony/Toshiba Cell processor driver
     <li>nouveau (for NVIDIA GPUs) and R300 for (AMD/ATI R300).
         <b>PLEASE NOTE: these drivers are incomplete and still under development.
         It's probably NOT worthwhile to report any bugs unless you have patches.
         </b>
     </ul>
 <li>GL_ARB_framebuffer_object extension (software drivers, i965 driver)
 <li>Reworked two-sided stencil support.
 This allows a driver to support all three variations of two-sided stencil
 including GL_ATI_separate_stencil, GL_EXT_stencil_two_side and OpenGL 2.0
 <li>GL_EXT_vertex_array_bgra extension (software drivers, i965 driver)
 <li>GL_NV_texture_env_combine4 extension (software drivers, i965/i915 drivers)
 <li>GL_EXT_texture_swizzle extension (software drivers, i965 driver)
 <li>Updated SPARC assembly optimizations (David S. Miller)
 <li>Initial support for separate compilation units in GLSL compiler.
 <li>Increased max number of generic GLSL varying variables to 16 (formerly 8).
 <li>GLSL linker now detects when too many varying variables are used.
 <li>Optimize-out redundant glMaterial and glShadeModel calls in display lists
 <li>Fixed gl_TextureMatrix[i][j] array indexing bug in GLSL compiler.
 </ul>


 <h2>Bug fixes</h2>
 <ul>
 <li>Lots of i965 driver bug fixes
 <li>Fixed some GLSL preprocessor bugs
 <li>GLSL: continue inside of a for-loop didn't work
 </ul>


 <h2>Changes</h2>
 <ul>
 <li>Remove support for GL_SGIX_shadow, GL_SGIX_shadow_ambient and
 GL_SGIX_depth_texture extensions.  Superseded by the ARB versions.
 <li>Omitted some old Mesa demos from the release tarballs, added some others.
 </ul>

 </div>
 </body>
 </html>
	<!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>Mesa Release Notes</title>
	<link rel="stylesheet" type="text/css" href="../mesa.css">
	</head>
	<body>

	<div class="header">
	<h1>The Mesa 3D Graphics Library</h1>
	</div>

	<iframe src="../contents.html"></iframe>
	<div class="content">

	<h1>Mesa 7.5 Release Notes / 17 July 2009</h1>

	<p>
	Mesa 7.5 is a new development release.
	People who are concerned with stability and reliability should stick
	with the 7.4.x branch or wait for Mesa 7.5.1.
	</p>
	<p>
	The main new feature of Mesa 7.5 is the
	<a href="http://wiki.freedesktop.org/wiki/Software/gallium">Gallium3D</a> infrastructure.
	</p>
	<p>
	Mesa 7.5 implements the OpenGL 2.1 API, but the version reported by
	glGetString(GL_VERSION) depends on the particular driver being used.
	Some drivers don't support all the features required in OpenGL 2.1.
	</p>
	<p>
	See the <a href="../install.html">Compiling/Installing page</a> for prerequisites
	for DRI hardware acceleration.
	</p>
	<p>
	Note that the Mesa project is no longer using odd/even version numbers
	to indicate development/stable releases.
	The so-called development releases have been fairly stable.
	If you're especially concerned with stability you should probably look for
	"point" releases such as 7.5.1 which will be a bug-fix release.
	</p>


	<h2>MD5 checksums</h2>
	<pre>
	553fd956e544727f30fbe249619b6286 MesaLib-7.5.tar.gz
	459f332551f6ebb86f384d21dd15e1f0 MesaLib-7.5.tar.bz2
	8c02c0e17a9025250d20424ae32f5163 MesaLib-7.5.zip
	a188da2886fa5496ea0c2cda602b2eeb MesaDemos-7.5.tar.gz
	398ee8801814a00e47f6c2314e3dfddc MesaDemos-7.5.tar.bz2
	15a0c8ae013c54335a26335e1a98d609 MesaDemos-7.5.zip
	81010147def5a644ba14f9bbb7a49a2a MesaGLUT-7.5.tar.gz
	baa7a1e850b6e39bae58868fd0684004 MesaGLUT-7.5.tar.bz2
	265228418e4423fa328f2f5b7970cf08 MesaGLUT-7.5.zip
	</pre>


	<h2>New features</h2>
	<ul>
	<li>Gallium3D - this is the new architecture for OS-independent and
	API-independent 3D drivers.
	Gallium3D is intended for GPUs that fully support vertex/fragment shaders.
	The Gallium3D drivers currently included are:
	<ul>
	<li>softpipe - a software/reference driver
	<li>i915 - Intel 915/945 driver
	<li>Cell - IBM/Sony/Toshiba Cell processor driver
	<li>nouveau (for NVIDIA GPUs) and R300 for (AMD/ATI R300).
	<b>PLEASE NOTE: these drivers are incomplete and still under development.
	It's probably NOT worthwhile to report any bugs unless you have patches.
	</b>
	</ul>
	<li>GL_ARB_framebuffer_object extension (software drivers, i965 driver)
	<li>Reworked two-sided stencil support.
	This allows a driver to support all three variations of two-sided stencil
	including GL_ATI_separate_stencil, GL_EXT_stencil_two_side and OpenGL 2.0
	<li>GL_EXT_vertex_array_bgra extension (software drivers, i965 driver)
	<li>GL_NV_texture_env_combine4 extension (software drivers, i965/i915 drivers)
	<li>GL_EXT_texture_swizzle extension (software drivers, i965 driver)
	<li>Updated SPARC assembly optimizations (David S. Miller)
	<li>Initial support for separate compilation units in GLSL compiler.
	<li>Increased max number of generic GLSL varying variables to 16 (formerly 8).
	<li>GLSL linker now detects when too many varying variables are used.
	<li>Optimize-out redundant glMaterial and glShadeModel calls in display lists
	<li>Fixed gl_TextureMatrix[i][j] array indexing bug in GLSL compiler.
	</ul>


	<h2>Bug fixes</h2>
	<ul>
	<li>Lots of i965 driver bug fixes
	<li>Fixed some GLSL preprocessor bugs
	<li>GLSL: continue inside of a for-loop didn't work
	</ul>


	<h2>Changes</h2>
	<ul>
	<li>Remove support for GL_SGIX_shadow, GL_SGIX_shadow_ambient and
	GL_SGIX_depth_texture extensions. Superseded by the ARB versions.
	<li>Omitted some old Mesa demos from the release tarballs, added some others.
	</ul>

	</div>
	</body>
	</html>