OpenHarmony/third_party_mesa3d
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bunch of changes for separate read buffer feature

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This commit is contained in:
Brian Paul
1999-11-25 17:38:12 +00:00
parent 086a151f94
commit c42c33e2a1
1 changed files with 13 additions and 12 deletions
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25
src/mesa/drivers/x11/xmesaP.h
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@@ -1,4 +1,4 @@
/* $Id: xmesaP.h,v 1.3 1999/11/24 18:49:44 brianp Exp $ */
/* $Id: xmesaP.h,v 1.4 1999/11/25 17:38:12 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -123,8 +123,9 @@ struct xmesa_visual {
struct xmesa_context {
GLcontext *gl_ctx; /* the core library context */
XMesaVisual xm_visual; /* Describes the buffers */
XMesaBuffer xm_buffer; /* current framebuffer */
XMesaBuffer xm_read_buffer; /* current framebuffer */
XMesaBuffer xm_buffer; /* current draw framebuffer */
XMesaBuffer xm_read_buffer; /* current read framebuffer */
GLboolean use_read_buffer; /* read from the xm_read_buffer/ */
XMesaDisplay *display; /* == xm_visual->display */
GLboolean swapbytes; /* Host byte order != display byte order? */
@@ -476,24 +477,24 @@ static int const kernel1[16] = {
/*
* Converts a GL window Y coord to an X window Y coord:
*/
#define FLIP(Y) (xmesa->xm_buffer->bottom-(Y))
#define FLIP(BUFFER, Y) ((BUFFER)->bottom-(Y))
/*
* Return the address of a 1, 2 or 4-byte pixel in the back XImage:
* X==0 is left, Y==0 is bottom.
*/
#define PIXELADDR1( X, Y ) \
( xmesa->xm_buffer->ximage_origin1 - (Y) * xmesa->xm_buffer->ximage_width1 + (X) )
#define PIXELADDR1( BUFFER, X, Y ) \
( (BUFFER)->ximage_origin1 - (Y) * (BUFFER)->ximage_width1 + (X) )
#define PIXELADDR2( X, Y ) \
( xmesa->xm_buffer->ximage_origin2 - (Y) * xmesa->xm_buffer->ximage_width2 + (X) )
#define PIXELADDR2( BUFFER, X, Y ) \
( (BUFFER)->ximage_origin2 - (Y) * (BUFFER)->ximage_width2 + (X) )
#define PIXELADDR3( X, Y ) \
( xmesa->xm_buffer->ximage_origin3 - (Y) * xmesa->xm_buffer->ximage_width3 + (X) )
#define PIXELADDR3( BUFFER, X, Y ) \
( (BUFFER)->ximage_origin3 - (Y) * (BUFFER)->ximage_width3 + (X) )
#define PIXELADDR4( X, Y ) \
( xmesa->xm_buffer->ximage_origin4 - (Y) * xmesa->xm_buffer->ximage_width4 + (X) )
#define PIXELADDR4( BUFFER, X, Y ) \
( (BUFFER)->ximage_origin4 - (Y) * (BUFFER)->ximage_width4 + (X) )