diff options
| -rw-r--r-- | src/mesa/swrast/s_accum.c | 4 | ||||
| -rw-r--r-- | src/mesa/swrast/s_depth.c | 2 | ||||
| -rw-r--r-- | src/mesa/swrast/s_stencil.c | 2 |
3 files changed, 5 insertions, 3 deletions
diff --git a/src/mesa/swrast/s_accum.c b/src/mesa/swrast/s_accum.c index 69e9404c55c..f53e7f52c5e 100644 --- a/src/mesa/swrast/s_accum.c +++ b/src/mesa/swrast/s_accum.c @@ -136,7 +136,9 @@ _swrast_clear_accum_buffer( GLcontext *ctx, struct gl_renderbuffer *rb ) return; } - assert(rb); + if (!rb || !rb->Data) + return; + assert(rb->_BaseFormat == GL_RGBA); /* add other types in future? */ assert(rb->DataType == GL_SHORT || rb->DataType == GL_UNSIGNED_SHORT); diff --git a/src/mesa/swrast/s_depth.c b/src/mesa/swrast/s_depth.c index 408174c990f..dde2b1db83a 100644 --- a/src/mesa/swrast/s_depth.c +++ b/src/mesa/swrast/s_depth.c @@ -1350,7 +1350,7 @@ _swrast_clear_depth_buffer( GLcontext *ctx, struct gl_renderbuffer *rb ) GLuint clearValue; GLint x, y, width, height; - if (!rb || !ctx->Depth.Mask) { + if (!rb || !ctx->Depth.Mask || !rb->Data) { /* no depth buffer, or writing to it is disabled */ return; } diff --git a/src/mesa/swrast/s_stencil.c b/src/mesa/swrast/s_stencil.c index a8aa1d4b6dc..43475c0e816 100644 --- a/src/mesa/swrast/s_stencil.c +++ b/src/mesa/swrast/s_stencil.c @@ -1154,7 +1154,7 @@ _swrast_clear_stencil_buffer( GLcontext *ctx, struct gl_renderbuffer *rb ) const GLuint stencilMax = (1 << stencilBits) - 1; GLint x, y, width, height; - if (!rb || mask == 0) + if (!rb || mask == 0 || !rb->Data) return; ASSERT(rb->DataType == GL_UNSIGNED_BYTE || |