Re: [Dri-devel] Texture levels?

2002-03-07 Thread Brian Paul
Leif Delgass wrote: On Mon, 4 Mar 2002, José Fonseca wrote: On 2002.03.04 19:13 Leif Delgass wrote: On Mon, 4 Mar 2002, José Fonseca wrote: But why does the number of levels has to do with the maximum texture size? As I understand it, a mipmapped texture is

Re: [Dri-devel] Texture levels?

2002-03-07 Thread Jose Fonseca
On Thu, 2002-03-07 at 17:23, Brian Paul wrote: ... You seem to have been confused by texture levels before. Looks like you've figured it out now. It's basically the maximum number of mipmap levels AND it's related to max texture size. -Brian Right after I started this thread I read

Re: [Dri-devel] Texture levels?

2002-03-07 Thread Brian Paul
Jose Fonseca wrote: On Thu, 2002-03-07 at 17:23, Brian Paul wrote: ... You seem to have been confused by texture levels before. Looks like you've figured it out now. It's basically the maximum number of mipmap levels AND it's related to max texture size. -Brian Right after I

Re: [Dri-devel] Texture levels?

2002-03-07 Thread Jose Fonseca
On Thu, 2002-03-07 at 19:21, Brian Paul wrote: Jose Fonseca wrote: On Thu, 2002-03-07 at 17:23, Brian Paul wrote: ... You seem to have been confused by texture levels before. Looks like you've figured it out now. It's basically the maximum number of mipmap levels AND it's

Re: [Dri-devel] Texture levels?

2002-03-07 Thread Brian Paul
Jose Fonseca wrote: Nevertheless I didn't found an explanation of why the maximum texture size was being derived from the maximum texture level in Mesa. In the specs it says that the the maximum allowable size of a texture must be _at least_ 2^(k-lod)-2*b_t , and not equal. On

Re: [Dri-devel] Texture levels?

2002-03-04 Thread Leif Delgass
On Mon, 4 Mar 2002, José Fonseca wrote: What are texture levels? Mach64 currently sets the number of MaxTetureLevels to 1, but this is preventing to successfully load any texture on texture_error_check (teximages.c:700). These texture levels is the main source of differences between

Re: [Dri-devel] Texture levels?

2002-03-04 Thread José Fonseca
On 2002.03.04 18:51 Leif Delgass wrote: On Mon, 4 Mar 2002, José Fonseca wrote: Although I had no idea of the consequences, I changed this value to 9 (the minimum seen in other drivers) which made some of the textures appear, though they had several problems (they were tiled,

Re: [Dri-devel] Texture levels?

2002-03-04 Thread José Fonseca
On 2002.03.04 19:13 Leif Delgass wrote: On Mon, 4 Mar 2002, José Fonseca wrote: But why does the number of levels has to do with the maximum texture size? As I understand it, a mipmapped texture is composed of several levels, which are copies of the texture at different

Re: [Dri-devel] Texture levels?

2002-03-04 Thread Leif Delgass
On Mon, 4 Mar 2002, José Fonseca wrote: On 2002.03.04 19:13 Leif Delgass wrote: On Mon, 4 Mar 2002, José Fonseca wrote: But why does the number of levels has to do with the maximum texture size? As I understand it, a mipmapped texture is composed of several levels,