From 813c96f4584f90a64b093f21486b71d48f9c117f Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 10 Oct 2002 23:49:02 +0000 Subject: updated porting info --- docs/RELNOTES-4.1 | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) (limited to 'docs') diff --git a/docs/RELNOTES-4.1 b/docs/RELNOTES-4.1 index ed94f9c0da..199d51d2d7 100644 --- a/docs/RELNOTES-4.1 +++ b/docs/RELNOTES-4.1 @@ -234,8 +234,9 @@ are some things to change: Call _swrast_DrawBuffer() too, to update the swrast state. - Removed swrast->Driver.SetReadBuffer - Added swrast->Driver.SetBuffer. This function should be implemented by - _all_ device drivers. Mesa will call it to specify the buffer to use - for span reading AND writing and point/line/triangle rendering. There + all device drivers that use swrast fallbacks (and the span functions). + Mesa will call this function to specify the buffer to use for span + reading AND writing and point/line/triangle rendering. There should be no confusion between current read or draw buffer anymore. @@ -267,16 +268,29 @@ are some things to change: 8. GLfloat / GLchan changes: - Changed ctx->Driver.ClearColor() to take GLfloat[4] instead of GLchan[4]. + - Changed ctx->Driver.ClearColor() to take GLfloat[4] instead of GLchan[4]. ctx->Color.ClearColor is now GLfloat[4] too. - Changed ctx->Driver.AlphaRef() to take GLfloat instead of GLchan. - ctx->Color.AlphaRef is now GLfloat. - texObj->BorderColor is now GLfloat[4]. texObj->_BorderChan is GLchan[4]. + - Changed ctx->Driver.AlphaRef() to take GLfloat instead of GLchan. + - ctx->Color.AlphaRef is now GLfloat. + - texObj->BorderColor is now GLfloat[4]. texObj->_BorderChan is GLchan[4]. This is part of an effort to remove all GLchan types from core Mesa so that someday we can support 8, 16 and 32-bit color channels dynamically at runtime, instead of at compile-time. +9. GLboolean ctx->Tranform.ClipEnabled[MAX_CLIP_PLANES] has been replaced + by GLuint ctx->Transform.ClipPlanesEnabled. The later is a bitfield. + + +10. There's a new matrix_stack type in mtypes.h used for the Modelview, + Projection, Color and Texcoord matrix stacks. + + +11. The ctx->Current.* fields have changed a lot. Now, there's a + ctx->Current.Attrib[] array for all vertex attributes which matches + the NV vertex program conventions. + + ---------------------------------------------------------------------- -$Id: RELNOTES-4.1,v 1.18 2002/10/05 18:32:38 brianp Exp $ +$Id: RELNOTES-4.1,v 1.19 2002/10/10 23:49:02 brianp Exp $ -- cgit v1.2.3