diff options
Diffstat (limited to 'src/mesa/swrast/s_drawpix.c')
| -rw-r--r-- | src/mesa/swrast/s_drawpix.c | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c index d646bd4b28e..dc15e598f57 100644 --- a/src/mesa/swrast/s_drawpix.c +++ b/src/mesa/swrast/s_drawpix.c @@ -1,4 +1,4 @@ -/* $Id: s_drawpix.c,v 1.3 2000/11/10 17:45:16 brianp Exp $ */ +/* $Id: s_drawpix.c,v 1.4 2000/11/13 20:02:57 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -61,27 +61,27 @@ _mesa_clip_pixelrect(const GLcontext *ctx, const GLframebuffer *buffer = ctx->DrawBuffer; /* left clipping */ - if (*destX < buffer->Xmin) { - *skipPixels += (buffer->Xmin - *destX); - *width -= (buffer->Xmin - *destX); - *destX = buffer->Xmin; + if (*destX < buffer->_Xmin) { + *skipPixels += (buffer->_Xmin - *destX); + *width -= (buffer->_Xmin - *destX); + *destX = buffer->_Xmin; } /* right clipping */ - if (*destX + *width > buffer->Xmax) - *width -= (*destX + *width - buffer->Xmax); + if (*destX + *width > buffer->_Xmax) + *width -= (*destX + *width - buffer->_Xmax); if (*width <= 0) return GL_FALSE; /* bottom clipping */ - if (*destY < buffer->Ymin) { - *skipRows += (buffer->Ymin - *destY); - *height -= (buffer->Ymin - *destY); - *destY = buffer->Ymin; + if (*destY < buffer->_Ymin) { + *skipRows += (buffer->_Ymin - *destY); + *height -= (buffer->_Ymin - *destY); + *destY = buffer->_Ymin; } /* top clipping */ - if (*destY + *height > buffer->Ymax) - *height -= (*destY + *height - buffer->Ymax); + if (*destY + *height > buffer->_Ymax) + *height -= (*destY + *height - buffer->_Ymax); if (*height <= 0) return GL_TRUE; @@ -139,48 +139,48 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y, */ if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) { /* horizontal clipping */ - if (destX < ctx->DrawBuffer->Xmin) { - skipPixels += (ctx->DrawBuffer->Xmin - destX); - drawWidth -= (ctx->DrawBuffer->Xmin - destX); - destX = ctx->DrawBuffer->Xmin; + if (destX < ctx->DrawBuffer->_Xmin) { + skipPixels += (ctx->DrawBuffer->_Xmin - destX); + drawWidth -= (ctx->DrawBuffer->_Xmin - destX); + destX = ctx->DrawBuffer->_Xmin; } - if (destX + drawWidth > ctx->DrawBuffer->Xmax) - drawWidth -= (destX + drawWidth - ctx->DrawBuffer->Xmax); + if (destX + drawWidth > ctx->DrawBuffer->_Xmax) + drawWidth -= (destX + drawWidth - ctx->DrawBuffer->_Xmax); if (drawWidth <= 0) return GL_TRUE; /* vertical clipping */ - if (destY < ctx->DrawBuffer->Ymin) { - skipRows += (ctx->DrawBuffer->Ymin - destY); - drawHeight -= (ctx->DrawBuffer->Ymin - destY); - destY = ctx->DrawBuffer->Ymin; + if (destY < ctx->DrawBuffer->_Ymin) { + skipRows += (ctx->DrawBuffer->_Ymin - destY); + drawHeight -= (ctx->DrawBuffer->_Ymin - destY); + destY = ctx->DrawBuffer->_Ymin; } - if (destY + drawHeight > ctx->DrawBuffer->Ymax) - drawHeight -= (destY + drawHeight - ctx->DrawBuffer->Ymax); + if (destY + drawHeight > ctx->DrawBuffer->_Ymax) + drawHeight -= (destY + drawHeight - ctx->DrawBuffer->_Ymax); if (drawHeight <= 0) return GL_TRUE; } else if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==-1.0F) { /* upside-down image */ /* horizontal clipping */ - if (destX < ctx->DrawBuffer->Xmin) { - skipPixels += (ctx->DrawBuffer->Xmin - destX); - drawWidth -= (ctx->DrawBuffer->Xmin - destX); - destX = ctx->DrawBuffer->Xmin; + if (destX < ctx->DrawBuffer->_Xmin) { + skipPixels += (ctx->DrawBuffer->_Xmin - destX); + drawWidth -= (ctx->DrawBuffer->_Xmin - destX); + destX = ctx->DrawBuffer->_Xmin; } - if (destX + drawWidth > ctx->DrawBuffer->Xmax) - drawWidth -= (destX + drawWidth - ctx->DrawBuffer->Xmax); + if (destX + drawWidth > ctx->DrawBuffer->_Xmax) + drawWidth -= (destX + drawWidth - ctx->DrawBuffer->_Xmax); if (drawWidth <= 0) return GL_TRUE; /* vertical clipping */ - if (destY > ctx->DrawBuffer->Ymax) { - skipRows += (destY - ctx->DrawBuffer->Ymax); - drawHeight -= (destY - ctx->DrawBuffer->Ymax); - destY = ctx->DrawBuffer->Ymax; + if (destY > ctx->DrawBuffer->_Ymax) { + 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)); + if (destY - drawHeight < ctx->DrawBuffer->_Ymin) + drawHeight -= (ctx->DrawBuffer->_Ymin - (destY - drawHeight)); if (drawHeight <= 0) return GL_TRUE; } |