Bug 29741

Summary:	[glsl] wine with GLSL renders incompletely or not at all
Product:	Mesa	Reporter:	Rubén Fernández <rubenf3000>
Component:	Mesa core	Assignee:	mesa-dev
Status:	RESOLVED DUPLICATE	QA Contact:
Severity:	normal
Priority:	medium
Version:	git
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:
Attachments:	Screenshot with GLSL disabled, rendering correctly Screenshot with GLSL enabled, rendering incorrectly Log generated with MESA_GLSL=dump and RADEON_DEBUG=fp, with GLSL enabled Log generated with RADEON_DEBUG=fp, with GLSL disabled

Description Rubén Fernández 2010-08-22 16:26:30 UTC

Altough not giving any compilation errors now, most GLSL shaders generated by wine fail to render correctly.

In some applications/games, some objects are shown, others aren't. In some games, nothing is rendered at all.

Testing a revision of git previous to the glsl2 merge, I found that this bug happened exactly the same with the old GLSL compiler; this suggests that the problem might not be the compiler per se, but the r300g driver executing the resulting assembly incorrectly. The fact that the games render correctly with the LLVMpipe software renderer seems to confirm this.

Graphics Card: ATI Technologies Inc RV505 [Radeon X1550 64-bit]
CPU: Intel Core Duo 1.8 Ghz, 2.5 GB RAM
Linux kernel 2.6.34, libdrm 2.4.21

Comment 1 Rubén Fernández 2010-08-22 16:28:55 UTC

Created attachment 38078 [details]
Screenshot with GLSL disabled, rendering correctly

when wine is set to disable GLSL, it generates the shaders using the ARB assembly shader language; then, it renders most apps/games correctly

Comment 2 Rubén Fernández 2010-08-22 16:30:35 UTC

Created attachment 38079 [details]
Screenshot with GLSL enabled, rendering incorrectly

However, when GLSL is enabled in wine, only some objects are rendered; in this screenshot, the creatures and the torch flames are shown, but not the door or the walls.

Comment 3 Rubén Fernández 2010-08-22 16:31:28 UTC

Created attachment 38080 [details]
Log generated with MESA_GLSL=dump and RADEON_DEBUG=fp, with GLSL enabled

Comment 4 Rubén Fernández 2010-08-22 16:32:40 UTC

Created attachment 38081 [details]
Log generated with RADEON_DEBUG=fp, with GLSL disabled

A log without GLSL (when it is rendered correctly) for reference

Comment 5 Marek Olšák 2010-08-22 16:45:45 UTC

According to your logs, it seems to be the same issue as bug 29137. See the discussion here:

https://bugs.freedesktop.org/show_bug.cgi?id=29137#c12

*** This bug has been marked as a duplicate of bug 29137 ***

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