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authorBrian Paul <brian.paul@tungstengraphics.com>2002-07-09 01:22:50 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2002-07-09 01:22:50 +0000
commit3b4fbbc129c711a5aec8d653d5c6eb2e195f947c (patch)
treeececa2d3a08ab45afd2068d9cabf5609a0c374d1 /src/mesa/swrast/swrast.h
parentb4338e58879a4f2eabf8af09f9dfa7adf6e9f9f2 (diff)
Overhaul of glRead/DrawBuffer() code. Now, swrast->Driver.SetBuffer()
indicates the read AND draw color buffer for all software rasterization. Lots of related clean-ups. See RELNOTES-4.1 for details.
Diffstat (limited to 'src/mesa/swrast/swrast.h')
-rw-r--r--src/mesa/swrast/swrast.h23
1 files changed, 18 insertions, 5 deletions
diff --git a/src/mesa/swrast/swrast.h b/src/mesa/swrast/swrast.h
index f36031cfb4..a33e97ec01 100644
--- a/src/mesa/swrast/swrast.h
+++ b/src/mesa/swrast/swrast.h
@@ -1,4 +1,4 @@
-/* $Id: swrast.h,v 1.24 2002/04/19 14:05:50 brianp Exp $ */
+/* $Id: swrast.h,v 1.25 2002/07/09 01:22:52 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -204,6 +204,12 @@ struct swrast_device_driver;
extern void
_swrast_alloc_buffers( GLframebuffer *buffer );
+extern void
+_swrast_use_read_buffer( GLcontext *ctx );
+
+extern void
+_swrast_use_draw_buffer( GLcontext *ctx );
+
extern GLboolean
_swrast_CreateContext( GLcontext *ctx );
@@ -254,6 +260,10 @@ _swrast_Accum( GLcontext *ctx, GLenum op,
GLint width, GLint height );
+extern void
+_swrast_DrawBuffer( GLcontext *ctx, GLenum mode );
+
+
/* Reset the stipple counter
*/
extern void
@@ -363,11 +373,14 @@ _swrast_copy_texsubimage3d(GLcontext *ctx,
*/
struct swrast_device_driver {
- void (*SetReadBuffer)( GLcontext *ctx, GLframebuffer *colorBuffer,
- GLenum buffer );
+ void (*SetBuffer)( GLcontext *ctx, GLframebuffer *buffer,
+ GLenum colorBuffer );
/*
- * Specifies the current buffer for span/pixel reading.
- * colorBuffer will be one of:
+ * Specifies the current buffer for span/pixel writing/reading.
+ * buffer indicates which window to write to / read from. Normally,
+ * this'll be the buffer currently bound to the context, but it doesn't
+ * have to be!
+ * colorBuffer indicates which color buffer, one of:
* GL_FRONT_LEFT - this buffer always exists
* GL_BACK_LEFT - when double buffering
* GL_FRONT_RIGHT - when using stereo