diff options
| author | Brian Paul <[email protected]> | 2000-09-08 21:28:04 +0000 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2000-09-08 21:28:04 +0000 |
| commit | 48c6a6ecd2b94d73317f1579193d98101566217a (patch) | |
| tree | 2de10e0a4070195594e73898d6051c3ad266d921 /src/mesa/main/drawpix.c | |
| parent | e18e0e98fea2384892324c84bf463d65c1159f7b (diff) | |
changed gl_frame_buffer Xmax and Ymax to be exclusive boundary values
Diffstat (limited to 'src/mesa/main/drawpix.c')
| -rw-r--r-- | src/mesa/main/drawpix.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c index 237e7021513..7cf7b0030f6 100644 --- a/src/mesa/main/drawpix.c +++ b/src/mesa/main/drawpix.c @@ -1,4 +1,4 @@ -/* $Id: drawpix.c,v 1.32 2000/09/06 17:44:52 brianp Exp $ */ +/* $Id: drawpix.c,v 1.33 2000/09/08 21:28:04 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -72,7 +72,7 @@ _mesa_clip_pixelrect(const GLcontext *ctx, } /* right clipping */ if (*destX + *width > buffer->Xmax) - *width -= (*destX + *width - buffer->Xmax - 1); + *width -= (*destX + *width - buffer->Xmax); if (*width <= 0) return GL_FALSE; @@ -85,7 +85,7 @@ _mesa_clip_pixelrect(const GLcontext *ctx, } /* top clipping */ if (*destY + *height > buffer->Ymax) - *height -= (*destY + *height - buffer->Ymax - 1); + *height -= (*destY + *height - buffer->Ymax); if (*height <= 0) return GL_TRUE; @@ -161,7 +161,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y, destX = ctx->DrawBuffer->Xmin; } if (destX + drawWidth > ctx->DrawBuffer->Xmax) - drawWidth -= (destX + drawWidth - ctx->DrawBuffer->Xmax - 1); + drawWidth -= (destX + drawWidth - ctx->DrawBuffer->Xmax); if (drawWidth <= 0) return GL_TRUE; @@ -172,7 +172,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y, destY = ctx->DrawBuffer->Ymin; } if (destY + drawHeight > ctx->DrawBuffer->Ymax) - drawHeight -= (destY + drawHeight - ctx->DrawBuffer->Ymax - 1); + drawHeight -= (destY + drawHeight - ctx->DrawBuffer->Ymax); if (drawHeight <= 0) return GL_TRUE; } @@ -185,15 +185,15 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y, destX = ctx->DrawBuffer->Xmin; } if (destX + drawWidth > ctx->DrawBuffer->Xmax) - drawWidth -= (destX + drawWidth - ctx->DrawBuffer->Xmax - 1); + drawWidth -= (destX + drawWidth - ctx->DrawBuffer->Xmax); if (drawWidth <= 0) return GL_TRUE; /* vertical clipping */ if (destY > ctx->DrawBuffer->Ymax) { - skipRows += (destY - ctx->DrawBuffer->Ymax - 1); - drawHeight -= (destY - ctx->DrawBuffer->Ymax - 1); - destY = ctx->DrawBuffer->Ymax + 1; + skipRows += (destY - ctx->DrawBuffer->Ymax); + drawHeight -= (destY - ctx->DrawBuffer->Ymax); + destY = ctx->DrawBuffer->Ymax; } if (destY - drawHeight < ctx->DrawBuffer->Ymin) drawHeight -= (ctx->DrawBuffer->Ymin - (destY - drawHeight)); |