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author | marha <marha@users.sourceforge.net> | 2015-04-20 21:25:25 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2015-04-20 21:25:25 +0200 |
commit | 4ba9be2882d9f1567809edb0a31fcdf11320d41f (patch) | |
tree | f796ab7a5044f9dd99aac7cb9a7c836857987635 /mesalib/docs/viewperf.html | |
parent | 82c8df11062f72a7d467e26cedbbd8b322ff7a70 (diff) | |
download | vcxsrv-4ba9be2882d9f1567809edb0a31fcdf11320d41f.tar.gz vcxsrv-4ba9be2882d9f1567809edb0a31fcdf11320d41f.tar.bz2 vcxsrv-4ba9be2882d9f1567809edb0a31fcdf11320d41f.zip |
randrproto xkeyboard-config fontconfig libX11 libXdmcp libXmu pixman xkbcomp xserver mesa git update 20 Apr 2015
xserver commit b1029716e41e252f149b82124a149da180607c96
xkeyboard-config commit 7d00bcc2d9c3944bbdfcbe472ee3299729dc7687
libX11 commit 748d47e69f5c12d8557d56a8a8ec166588da7b93
libXdmcp commit b10f382e3aa2e86cd5a2bc27d6758da55f0ab1f6
xkbcomp commit 1ae525b3d236b59e6437b2b5433d460e18370973
pixman commit 58e21d3e45c5227c2ca9ac00cf044f22a7975180
randrproto commit 98da0d6e48b7d124d6788ea568e9f9e3dc204322
libXmu commit 4459e6940fe3fdf26a8d5d4c71989498bc400a62
fontconfig commit 07be485a0a84995ce69bf60e3b1bb22cb35f6b0e
mesa commit c1485f4b7d044724b3dbc1011f3c3a8a53132010
Diffstat (limited to 'mesalib/docs/viewperf.html')
-rw-r--r-- | mesalib/docs/viewperf.html | 94 |
1 files changed, 85 insertions, 9 deletions
diff --git a/mesalib/docs/viewperf.html b/mesalib/docs/viewperf.html index 23c6028d2..6b63b94d8 100644 --- a/mesalib/docs/viewperf.html +++ b/mesalib/docs/viewperf.html @@ -19,6 +19,7 @@ <p> This page lists known issues with <a href="http://www.spec.org/gwpg/gpc.static/vp11info.html" target="_main">SPEC Viewperf 11</a> +and <a href="https://www.spec.org/gwpg/gpc.static/vp12info.html" target="_main">SPEC Viewperf 12</a> when running on Mesa-based drivers. </p> @@ -40,13 +41,15 @@ These issues have been reported to the SPEC organization in the hope that they'll be fixed in the future. </p> +<h2><u>Viewperf 11</u></h2> + <p> -Some of the Viewperf tests use a lot of memory. +Some of the Viewperf 11 tests use a lot of memory. At least 2GB of RAM is recommended. </p> -<h2>Catia-03 test 2</h2> +<h3>Catia-03 test 2</h3> <p> This test creates over 38000 vertex buffer objects. On some systems @@ -59,7 +62,7 @@ either in Viewperf or the Mesa driver. -<h2>Catia-03 tests 3, 4, 8</h2> +<h3>Catia-03 tests 3, 4, 8</h3> <p> These tests use features of the @@ -79,7 +82,7 @@ Subsequent drawing calls become no-ops and the rendering is incorrect. -<h2>sw-02 tests 1, 2, 4, 6</h2> +<h3>sw-02 tests 1, 2, 4, 6</h3> <p> These tests depend on the @@ -99,7 +102,7 @@ color. This is probably due to some uninitialized state somewhere. -<h2>sw-02 test 6</h2> +<h3>sw-02 test 6</h3> <p> The lines drawn in this test appear in a random color. @@ -111,7 +114,7 @@ situation, we get a random color. -<h2>Lightwave-01 test 3</h2> +<h3>Lightwave-01 test 3</h3> <p> This test uses a number of mipmapped textures, but the textures are @@ -172,7 +175,7 @@ However, we have no plans to implement this work-around in Mesa. </p> -<h2>Maya-03 test 2</h2> +<h3>Maya-03 test 2</h3> <p> This test makes some unusual calls to glRotate. For example: @@ -204,7 +207,7 @@ and with a semi-random color (between white and black) since GL_FOG is enabled. </p> -<h2>Proe-05 test 1</h2> +<h3>Proe-05 test 1</h3> <p> This uses depth testing but there's two problems: @@ -232,7 +235,7 @@ glClear is called so clearing the depth buffer would be a no-op anyway. </p> -<h2>Proe-05 test 6</h2> +<h3>Proe-05 test 6</h3> <p> This test draws an engine model with a two-pass algorithm. @@ -261,6 +264,79 @@ blending with appropriate patterns/modes to ensure the same fragments are produced in both passes. </p> +<h2><u>Viewperf 12</u></h2> + +<p> +Note that Viewperf 12 only runs on 64-bit Windows 7 or later. +</p> + +<h3>catia-04</h3> + +<p> +One of the catia tests calls wglGetProcAddress() to get some +GL_EXT_direct_state_access functions (such as glBindMultiTextureEXT) and some +GL_NV_half_float functions (such as glMultiTexCoord3hNV). +If the extension/function is not supported, wglGetProcAddress() can return NULL. +Unfortunately, Viewperf doesn't check for null pointers and crashes when it +later tries to use the pointer. +</p> + +<p> +Another catia test uses OpenGL 3.1's primitive restart feature. +But when Viewperf creates an OpenGL context, it doesn't request version 3.1 +If the driver returns version 3.0 or earlier all the calls related to primitive +restart generate an OpenGL error. +Some of the rendering is then incorrect. +</p> + + +<h3>energy-01</h3> + +<p> +This test creates a 3D luminance texture of size 1K x 1K x 1K. +If the OpenGL driver/device doesn't support a texture of this size +the glTexImage3D() call will fail with GL_INVALID_VALUE or GL_OUT_OF_MEMORY +and all that's rendered is plain white polygons. +Ideally, the test would use a proxy texture to determine the max 3D +texture size. But it does not do that. +</p> + +<h3>maya-04</h3> + +<p> +This test generates many GL_INVALID_OPERATION errors in its calls to +glUniform(). +Causes include: +<ul> +<li> Trying to set float uniforms with glUniformi() +<li> Trying to set float uniforms with glUniform3f() +<li> Trying to set matrix uniforms with glUniform() instead of glUniformMatrix(). +</ul> +<p> +Apparently, the indexes returned by glGetUniformLocation() were hard-coded +into the application trace when it was created. +Since different implementations of glGetUniformLocation() may return different +values for any given uniform name, subsequent calls to glUniform() will be +invalid since they refer to the wrong uniform variables. +This causes many OpenGL errors and leads to incorrect rendering. +</p> + +<h3>medical-01</h3> + +<p> +This test uses a single GLSL fragment shader which contains a GLSL 1.20 +array initializer statement, but it neglects to specify +<code>#version 120</code> at the top of the shader code. +So, the shader does not compile and all that's rendered is plain white polygons. +</p> + +<h3>showcase-01</h3> + +<p> +This is actually a DX11 test based on Autodesk's Showcase product. +As such, it won't run with Mesa. +</p> + </div> </body> |