diff options
Diffstat (limited to 'src/mesa/swrast')
| -rw-r--r-- | src/mesa/swrast/s_imaging.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c index 52c809f7a9b..a15cc0ba57c 100644 --- a/src/mesa/swrast/s_imaging.c +++ b/src/mesa/swrast/s_imaging.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.1 + * Version: 6.3 * * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. * @@ -85,6 +85,7 @@ _swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, { SWcontext *swrast = SWRAST_CONTEXT(ctx); GLchan rgba[MAX_CONVOLUTION_WIDTH][4]; + struct gl_buffer_object *bufferSave; /* Select buffer to read from */ _swrast_use_read_buffer(ctx); @@ -100,9 +101,16 @@ _swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, /* Restore reading from draw buffer (the default) */ _swrast_use_draw_buffer(ctx); + /* save PBO binding */ + bufferSave = ctx->Unpack.BufferObj; + ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + /* store as convolution filter */ _mesa_ConvolutionFilter1D(target, internalFormat, width, GL_RGBA, CHAN_TYPE, rgba); + + /* restore PBO binding */ + ctx->Unpack.BufferObj = bufferSave; } @@ -115,6 +123,7 @@ _swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, struct gl_pixelstore_attrib packSave; GLchan rgba[MAX_CONVOLUTION_HEIGHT][MAX_CONVOLUTION_WIDTH][4]; GLint i; + struct gl_buffer_object *bufferSave; /* Select buffer to read from */ _swrast_use_read_buffer(ctx); @@ -151,9 +160,16 @@ _swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; ctx->NewState |= _NEW_PACKUNPACK; + /* save PBO binding */ + bufferSave = ctx->Unpack.BufferObj; + ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + _mesa_ConvolutionFilter2D(target, internalFormat, width, height, GL_RGBA, CHAN_TYPE, rgba); + /* restore PBO binding */ + ctx->Unpack.BufferObj = bufferSave; + ctx->Unpack = packSave; /* restore pixel packing params */ ctx->NewState |= _NEW_PACKUNPACK; } |