diff options
| -rw-r--r-- | src/mesa/main/readpix.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c index 8cdc9fe1cb2..a5b74bcccfd 100644 --- a/src/mesa/main/readpix.c +++ b/src/mesa/main/readpix.c @@ -993,6 +993,7 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, { GLenum err = GL_NO_ERROR; struct gl_renderbuffer *rb; + struct gl_pixelstore_attrib clippedPacking; GET_CURRENT_CONTEXT(ctx); @@ -1094,7 +1095,9 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, } } - if (width == 0 || height == 0) + /* Do all needed clipping here, so that we can forget about it later */ + clippedPacking = ctx->Pack; + if (!_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) return; /* nothing to do */ if (!_mesa_validate_pbo_access(2, &ctx->Pack, width, height, 1, @@ -1118,7 +1121,7 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, } ctx->Driver.ReadPixels(ctx, x, y, width, height, - format, type, &ctx->Pack, pixels); + format, type, &clippedPacking, pixels); } void GLAPIENTRY |