Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Brian Paul
Ian Romanick wrote: Brian Paul wrote: Ian Romanick wrote: Let me elaborate on that a bit. Texture data with a format of GL_DUDV_ATI should have a type of GL_BYTE. All of the signed types, like GL_BYTE, have a range of [-1,1]. In all existing cases, texture data has a range of [0,1]. When M

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Ian Romanick
Ryan Underwood wrote: On Wed, Jan 21, 2004 at 12:23:17AM +0200, Ville Syrjälä wrote: On Tue, Jan 20, 2004 at 03:47:49PM -0600, Ryan Underwood wrote: GL_ATI_envmap_bumpmap seems to describe identical functionality to DirectX6 EMBM. ATI's drivers support this extension and it is implemented in Mesa

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Ian Romanick
Brian Paul wrote: Ian Romanick wrote: Let me elaborate on that a bit. Texture data with a format of GL_DUDV_ATI should have a type of GL_BYTE. All of the signed types, like GL_BYTE, have a range of [-1,1]. In all existing cases, texture data has a range of [0,1]. When Mesa gets a texture of

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Brian Paul
Ian Romanick wrote: Ian Romanick wrote: Ryan Underwood wrote: GL_ATI_envmap_bumpmap seems to describe identical functionality to DirectX6 EMBM. ATI's drivers support this extension and it is implemented in Mesa apparently. Does anyone know of a demo or sample code that utilizes this extension?

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Ryan Underwood
On Wed, Jan 21, 2004 at 12:23:17AM +0200, Ville Syrjälä wrote: > On Tue, Jan 20, 2004 at 03:47:49PM -0600, Ryan Underwood wrote: > > > > Hi, > > > > GL_ATI_envmap_bumpmap seems to describe identical functionality to > > DirectX6 EMBM. ATI's drivers support this extension and it is > > implement

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Ian Romanick
Ian Romanick wrote: Ryan Underwood wrote: GL_ATI_envmap_bumpmap seems to describe identical functionality to DirectX6 EMBM. ATI's drivers support this extension and it is implemented in Mesa apparently. Does anyone know of a demo or sample code that utilizes this extension? ATI's drivers do supp

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Ian Romanick
Ryan Underwood wrote: GL_ATI_envmap_bumpmap seems to describe identical functionality to DirectX6 EMBM. ATI's drivers support this extension and it is implemented in Mesa apparently. Does anyone know of a demo or sample code that utilizes this extension? ATI's drivers do support it, but Mesa doe

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Ville Syrjälä
On Tue, Jan 20, 2004 at 03:47:49PM -0600, Ryan Underwood wrote: > > Hi, > > GL_ATI_envmap_bumpmap seems to describe identical functionality to > DirectX6 EMBM. ATI's drivers support this extension and it is > implemented in Mesa apparently. Does anyone know of a demo or sample > code that utili

Re: [Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Alex Deucher
--- Ryan Underwood <[EMAIL PROTECTED]> wrote: > > Hi, > > GL_ATI_envmap_bumpmap seems to describe identical functionality to > DirectX6 EMBM. ATI's drivers support this extension and it is > implemented in Mesa apparently. Does anyone know of a demo or sample > code that utilizes this extensio

[Dri-devel] GL_ATI_envmap_bumpmap

2004-01-20 Thread Ryan Underwood
Hi, GL_ATI_envmap_bumpmap seems to describe identical functionality to DirectX6 EMBM. ATI's drivers support this extension and it is implemented in Mesa apparently. Does anyone know of a demo or sample code that utilizes this extension? -- Ryan Underwood, <[EMAIL PROTECTED]> signature.asc D