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author | marha <marha@users.sourceforge.net> | 2011-09-16 08:40:57 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2011-09-16 08:40:57 +0200 |
commit | 9d911bc1246139019e555f443e934677a067bc0a (patch) | |
tree | 2af1428f59f88fbcbe4e0ed27a29ff9f3426210a /mesalib/src/mesa/main | |
parent | 4095d7af9f50126361eb7b0aeba6869786f63d5c (diff) | |
parent | 18ae1470a8dbcfe369ddf0d7e17e0ea665251ccd (diff) | |
download | vcxsrv-9d911bc1246139019e555f443e934677a067bc0a.tar.gz vcxsrv-9d911bc1246139019e555f443e934677a067bc0a.tar.bz2 vcxsrv-9d911bc1246139019e555f443e934677a067bc0a.zip |
Merge remote-tracking branch 'origin/released'
Diffstat (limited to 'mesalib/src/mesa/main')
-rw-r--r-- | mesalib/src/mesa/main/dlist.c | 15 | ||||
-rw-r--r-- | mesalib/src/mesa/main/drawpix.c | 2 |
2 files changed, 15 insertions, 2 deletions
diff --git a/mesalib/src/mesa/main/dlist.c b/mesalib/src/mesa/main/dlist.c index 6e075b4e5..2b2ff9015 100644 --- a/mesalib/src/mesa/main/dlist.c +++ b/mesalib/src/mesa/main/dlist.c @@ -871,7 +871,11 @@ translate_id(GLsizei n, GLenum type, const GLvoid * list) /** * Wrapper for _mesa_unpack_image() that handles pixel buffer objects. - * If we run out of memory, GL_OUT_OF_MEMORY will be recorded. + * If width < 0 or height < 0 or format or type are invalid we'll just + * return NULL. We will not generate an error since OpenGL command + * arguments aren't error-checked until the command is actually executed + * (not when they're compiled). + * But if we run out of memory, GL_OUT_OF_MEMORY will be recorded. */ static GLvoid * unpack_image(struct gl_context *ctx, GLuint dimensions, @@ -879,6 +883,15 @@ unpack_image(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, const GLvoid * pixels, const struct gl_pixelstore_attrib *unpack) { + if (width <= 0 || height <= 0) { + return NULL; + } + + if (_mesa_bytes_per_pixel(format, type) <= 0) { + /* bad format and/or type */ + return NULL; + } + if (!_mesa_is_bufferobj(unpack->BufferObj)) { /* no PBO */ GLvoid *image = _mesa_unpack_image(dimensions, width, height, depth, diff --git a/mesalib/src/mesa/main/drawpix.c b/mesalib/src/mesa/main/drawpix.c index 89c2b2697..b7e2c36e1 100644 --- a/mesalib/src/mesa/main/drawpix.c +++ b/mesalib/src/mesa/main/drawpix.c @@ -62,7 +62,7 @@ _mesa_DrawPixels( GLsizei width, GLsizei height, if (width < 0 || height < 0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glDrawPixels(width or height < 0" ); + _mesa_error( ctx, GL_INVALID_VALUE, "glDrawPixels(width or height < 0)" ); return; } |