diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2001-07-13 20:07:37 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2001-07-13 20:07:37 +0000 |
| commit | f431a3fb4dc1bf860203d79e54657e3a62bc50df (patch) | |
| tree | 51a598faf5e8b971b2bd7cf85702e021426f54c6 /src/mesa/swrast/s_alphabuf.c | |
| parent | bc07a99cc3faeb1aa48700065b34baa76c201e7d (diff) | |
assorted changes for supporting GLfloat color channels (not done)
Diffstat (limited to 'src/mesa/swrast/s_alphabuf.c')
| -rw-r--r-- | src/mesa/swrast/s_alphabuf.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/mesa/swrast/s_alphabuf.c b/src/mesa/swrast/s_alphabuf.c index 8c324a4588..2a066aeee7 100644 --- a/src/mesa/swrast/s_alphabuf.c +++ b/src/mesa/swrast/s_alphabuf.c @@ -1,4 +1,4 @@ -/* $Id: s_alphabuf.c,v 1.7 2001/05/11 18:58:32 brianp Exp $ */ +/* $Id: s_alphabuf.c,v 1.8 2001/07/13 20:07:37 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -162,8 +162,8 @@ _mesa_clear_alpha_buffers( GLcontext *ctx ) if (ctx->Scissor.Enabled) { /* clear scissor region */ GLint j; - GLint rowLen = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin + 1; - GLint rows = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin + 1; + GLint rowLen = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; + GLint rows = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; GLint width = ctx->DrawBuffer->Width; GLchan *aptr = buffer + ctx->DrawBuffer->_Ymin * ctx->DrawBuffer->Width @@ -174,7 +174,10 @@ _mesa_clear_alpha_buffers( GLcontext *ctx ) #elif CHAN_BITS == 16 MEMSET16( aptr, aclear, rowLen ); #else -#error unexpected CHAN_BITS value + GLint i; + for (i = 0; i < rowLen; i++) { + aptr[i] = aclear; + } #endif aptr += width; } @@ -187,7 +190,10 @@ _mesa_clear_alpha_buffers( GLcontext *ctx ) #elif CHAN_BITS == 16 MEMSET16(buffer, aclear, pixels); #else -#error unexpected CHAN_BITS value + GLuint i; + for (i = 0; i < pixels; i++) { + buffer[i] = aclear; + } #endif } } |