Bug 28622

Summary:	[r300g] Deriving is not working
Product:	Mesa	Reporter:	Ivan Sukin <isukin.intelliware>
Component:	Other	Assignee:	mesa-dev
Status:	RESOLVED NOTABUG	QA Contact:
Severity:	normal
Priority:	medium
Version:	git
Hardware:	x86-64 (AMD64)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description Ivan Sukin 2010-06-20 04:24:12 UTC

Standard demo "deriv" is not working because of invalid opcode error. 

GL_RENDERER = Gallium 0.4 on RS600
r300 FP: Compiler Error:
r300_fragprog_emit.c::translate_rgb_opcode(): translate_rgb_opcode: Unknown opcode DDY
Using a dummy shader instead.

Comment 1 Marek Olšák 2010-06-20 05:25:04 UTC

RS600 is a R4xx-class chipset and as such it doesn't have derivative instructions. Closing...

You might need to use swrastg (llvmpipe) instead.

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