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authorBrian Paul <brian.paul@tungstengraphics.com>2000-09-07 15:46:05 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2000-09-07 15:46:05 +0000
commit8ad306baf6b9cbc956dfba9ae11af2b1d45c8788 (patch)
tree03522d89ba1d961c9781557ff30086bdec105f3c
parentc4c639c9a46967678725370cb9824031a068633c (diff)
added device driver changes
-rw-r--r--docs/RELNOTES-3.523
1 files changed, 22 insertions, 1 deletions
diff --git a/docs/RELNOTES-3.5 b/docs/RELNOTES-3.5
index 3c17734c44..c53e7df568 100644
--- a/docs/RELNOTES-3.5
+++ b/docs/RELNOTES-3.5
@@ -47,5 +47,26 @@ GL_NV_blend_square
+Device Driver Changes
+---------------------
+
+The ctx->Driver.LogicOp() function has been removed. It used to
+be called during state update in order to determine if the driver
+could do glLogicOp() operations, and if not, set the SWLogicOpEnabled
+flag. Drivers should instead examine the LogicOp state themselves
+and choose specialized point, line, and triangle functions appropriately,
+or fall back to software rendering. The Xlib driver was the only driver
+to use this function. And since the Xlib driver no longer draws
+points, lines or triangles using Xlib, the LogicOp function isn't needed.
+
+
+The ctx->Driver.IndexMask() and ctx->Driver.ColorMask() functions
+are now just called from glIndexMask and glColorMask like the other
+GL state-changing functions. They are no longer called from inside
+gl_update_state(). Also, they now return void. The change was made
+mostly for sake of uniformity.
+
+
+
----------------------------------------------------------------------
-$Id: RELNOTES-3.5,v 1.2 2000/08/31 23:04:17 brianp Exp $
+$Id: RELNOTES-3.5,v 1.3 2000/09/07 15:46:05 brianp Exp $