6 files changed, 25 insertions, 7 deletions
diff --git a/src/mesa/swrast/s_accum.c b/src/mesa/swrast/s_accum.c
index 69e9404c55..f53e7f52c5 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_copypix.c b/src/mesa/swrast/s_copypix.c
index afab7c4d37..2051e1f3b7 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -199,7 +199,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
    GLint sy, dy, stepy, row;
    const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
    GLint overlapping;
-   const GLuint transferOps = ctx->_ImageTransferState;
+   GLuint transferOps = ctx->_ImageTransferState;
    SWspan span;
 
    if (!ctx->ReadBuffer->_ColorReadBuffer) {
@@ -211,6 +211,11 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
       copy_conv_rgba_pixels(ctx, srcx, srcy, width, height, destx, desty);
       return;
    }
+   else if (ctx->Pixel.Convolution1DEnabled) {
+      /* make sure we don't apply 1D convolution */
+      transferOps &= ~(IMAGE_CONVOLUTION_BIT |
+                       IMAGE_POST_CONVOLUTION_SCALE_BIAS);
+   }
 
    /* Determine if copy should be done bottom-to-top or top-to-bottom */
    if (srcy < desty) {
diff --git a/src/mesa/swrast/s_depth.c b/src/mesa/swrast/s_depth.c
index 408174c990..dde2b1db83 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_drawpix.c b/src/mesa/swrast/s_drawpix.c
index 595fd5c5cd..50147f329f 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -452,7 +452,8 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y,
        && !scaleOrBias
        && !zoom
        && ctx->Visual.rgbMode
-       && width <= MAX_WIDTH) {
+       && width <= MAX_WIDTH
+       && !unpack->SwapBytes) {
       /* Special case: directly write 16-bit depth values */
       GLint row;
       for (row = 0; row < height; row++) {
@@ -472,7 +473,8 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y,
             && !scaleOrBias
             && !zoom
             && ctx->Visual.rgbMode
-            && width <= MAX_WIDTH) {
+            && width <= MAX_WIDTH
+            && !unpack->SwapBytes) {
       /* Special case: shift 32-bit values down to Visual.depthBits */
       const GLint shift = 32 - ctx->DrawBuffer->Visual.depthBits;
       GLint row;
@@ -617,6 +619,11 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
       type = GL_FLOAT;
       transferOps &= IMAGE_POST_CONVOLUTION_BITS;
    }
+   else if (ctx->Pixel.Convolution1DEnabled) {
+      /* we only want to apply 1D convolution to glTexImage1D */
+      transferOps &= ~(IMAGE_CONVOLUTION_BIT |
+                       IMAGE_POST_CONVOLUTION_SCALE_BIAS);
+   }
 
    if (ctx->DrawBuffer->_NumColorDrawBuffers[0] > 0 &&
        ctx->DrawBuffer->_ColorDrawBuffers[0][0]->DataType != GL_FLOAT &&
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 383d61ce06..fe9a70f4ea 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -119,7 +119,7 @@ read_depth_pixels( GLcontext *ctx,
             && !biasOrScale && !packing->SwapBytes) {
       /* Special case: directly read 24-bit unsigned depth values. */
       GLint j;
-      ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT32);
+      ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT24);
       ASSERT(rb->DataType == GL_UNSIGNED_INT);
       for (j = 0; j < height; j++, y++) {
          GLuint *dest = (GLuint *)
@@ -410,6 +410,10 @@ read_rgba_pixels( GLcontext *ctx,
          = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height,
                                              format, type, 0, 0);
 
+      /* make sure we don't apply 1D convolution */
+      transferOps &= ~(IMAGE_CONVOLUTION_BIT |
+                       IMAGE_POST_CONVOLUTION_SCALE_BIAS);
+
       for (row = 0; row < height; row++, y++) {
 
          /* Get float rgba pixels */
diff --git a/src/mesa/swrast/s_stencil.c b/src/mesa/swrast/s_stencil.c
index a8aa1d4b6d..43475c0e81 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 ||