diff options
Diffstat (limited to 'src/mesa/main/buffers.c')
| -rw-r--r-- | src/mesa/main/buffers.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c index 82afb401a8..075cc66adf 100644 --- a/src/mesa/main/buffers.c +++ b/src/mesa/main/buffers.c @@ -1,4 +1,4 @@ -/* $Id: buffers.c,v 1.29 2001/05/29 15:23:48 brianp Exp $ */ +/* $Id: buffers.c,v 1.30 2001/06/18 17:26:08 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -36,7 +36,6 @@ #include "depth.h" #include "enums.h" #include "macros.h" -#include "masking.h" #include "mem.h" #include "stencil.h" #include "state.h" @@ -372,6 +371,37 @@ _mesa_ResizeBuffersMESA( void ) } +void +_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glScissor" ); + return; + } + + if (MESA_VERBOSE & VERBOSE_API) + fprintf(stderr, "glScissor %d %d %d %d\n", x, y, width, height); + + if (x == ctx->Scissor.X && + y == ctx->Scissor.Y && + width == ctx->Scissor.Width && + height == ctx->Scissor.Height) + return; + + FLUSH_VERTICES(ctx, _NEW_SCISSOR); + ctx->Scissor.X = x; + ctx->Scissor.Y = y; + ctx->Scissor.Width = width; + ctx->Scissor.Height = height; + + if (ctx->Driver.Scissor) + ctx->Driver.Scissor( ctx, x, y, width, height ); +} + + /* * XXX move somewhere else someday? */ |