Intel GLSL /w sdlmame (Was: Re: dga does't work correctly)
steve at snewbury.org.uk
Mon Jan 12 11:47:11 PST 2009
On Saturday 10 January 2009 04:33:36 tom fogal wrote:
> Steven Newbury <steve at snewbury.org.uk> writes:
> > (including using GLSL shaders for overlay effects, though sadly the
> > shader fails to compile with the intel driver for some reason )
> > 
> > src/osd/sdl/gl_shader_tool.c:375: GL Error: object 0x3 compilation failed
> > src/osd/sdl/gl_shader_tool.c:375 glInfoLog: Error:
> > Error: failed to preprocess the source.
> > failed to process shader: <
> > #pragma optimize (on)
> > #pragma debug (off)
> Try removing the pragma; doesn't look like it's supported yet in Mesa.
> tf at tomasu dev grep -i pragma mesa/src/mesa/shader/slang/*.c
> mesa/src/mesa/shader/slang/slang_preprocess.c:#define TOKEN_PRAGMA 8
> vs. `if', which seems to have an implementation:
> tf at tomasu dev grep -i token_if mesa/src/mesa/shader/slang/*.c
> mesa/src/mesa/shader/slang/slang_preprocess.c:#define TOKEN_IF 3
> mesa/src/mesa/shader/slang/slang_preprocess.c: case TOKEN_IF:
> Just a guess.
That got it running, although there is a serious problem with the colour-space
conversion shader. Vector games seem to be fine though, with working overlay.
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