OpenHarmony/third_party_mesa3d
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restored the gl_Viewport function

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This commit is contained in:
Brian Paul
1999-11-12 18:10:47 +00:00
parent be599f845f
commit 93b76c048f
2 changed files with 22 additions and 4 deletions
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21
src/mesa/main/matrix.c
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@@ -1,4 +1,4 @@
/* $Id: matrix.c,v 1.9 1999/11/11 01:22:27 brianp Exp $ */
/* $Id: matrix.c,v 1.10 1999/11/12 18:10:47 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1332,13 +1332,28 @@ _mesa_Translated( GLdouble x, GLdouble y, GLdouble z )
/*
* Define a new viewport and reallocate auxillary buffers if the size of
* the window (color buffer) has changed.
* Called via glViewport or display list execution.
*/
void
_mesa_Viewport( GLint x, GLint y, GLsizei width, GLsizei height )
{
GET_CURRENT_CONTEXT(ctx);
gl_Viewport(ctx, x, y, width, height);
}
/*
* Define a new viewport and reallocate auxillary buffers if the size of
* the window (color buffer) has changed.
*
* XXX This is directly called by device drivers, BUT this function
* may be renamed _mesa_Viewport (without ctx arg) in the future so
* use of _mesa_Viewport is encouraged.
*/
void
gl_Viewport( GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height )
{
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glViewport");
if (width<0 || height<0) {

5
src/mesa/main/matrix.h
View File

@@ -1,4 +1,4 @@
/* $Id: matrix.h,v 1.3 1999/11/11 01:22:27 brianp Exp $ */
/* $Id: matrix.h,v 1.4 1999/11/12 18:10:47 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -131,6 +131,9 @@ _mesa_Translated( GLdouble x, GLdouble y, GLdouble z );
extern void
_mesa_Viewport( GLint x, GLint y, GLsizei width, GLsizei height );
extern void
gl_Viewport( GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height );
extern void
_mesa_DepthRange( GLclampd nearval, GLclampd farval );