diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-07-09 01:22:50 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-07-09 01:22:50 +0000 |
| commit | 3b4fbbc129c711a5aec8d653d5c6eb2e195f947c (patch) | |
| tree | ececa2d3a08ab45afd2068d9cabf5609a0c374d1 /src/mesa/swrast/s_imaging.c | |
| parent | b4338e58879a4f2eabf8af09f9dfa7adf6e9f9f2 (diff) | |
Overhaul of glRead/DrawBuffer() code. Now, swrast->Driver.SetBuffer()
indicates the read AND draw color buffer for all software rasterization.
Lots of related clean-ups. See RELNOTES-4.1 for details.
Diffstat (limited to 'src/mesa/swrast/s_imaging.c')
| -rw-r--r-- | src/mesa/swrast/s_imaging.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c index 1c63f5c3416..98cbe347a72 100644 --- a/src/mesa/swrast/s_imaging.c +++ b/src/mesa/swrast/s_imaging.c @@ -1,4 +1,4 @@ -/* $Id: s_imaging.c,v 1.5 2002/04/04 16:53:00 brianp Exp $ */ +/* $Id: s_imaging.c,v 1.6 2002/07/09 01:22:52 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -37,12 +37,10 @@ _swrast_CopyColorTable( GLcontext *ctx, GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); GLchan data[MAX_WIDTH][4]; /* Select buffer to read from */ - (*swrast->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer, - ctx->Pixel.DriverReadBuffer ); + _swrast_use_read_buffer(ctx); if (width > MAX_WIDTH) width = MAX_WIDTH; @@ -51,8 +49,7 @@ _swrast_CopyColorTable( GLcontext *ctx, _mesa_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y, data ); /* Restore reading from draw buffer (the default) */ - (*swrast->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, - ctx->Color.DriverDrawBuffer ); + _swrast_use_draw_buffer(ctx); glColorTable(target, internalformat, width, GL_RGBA, CHAN_TYPE, data); } @@ -61,12 +58,10 @@ void _swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, GLint x, GLint y, GLsizei width) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); GLchan data[MAX_WIDTH][4]; /* Select buffer to read from */ - (*swrast->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer, - ctx->Pixel.DriverReadBuffer ); + _swrast_use_read_buffer(ctx); if (width > MAX_WIDTH) width = MAX_WIDTH; @@ -75,8 +70,7 @@ _swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, _mesa_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y, data ); /* Restore reading from draw buffer (the default) */ - (*swrast->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, - ctx->Color.DriverDrawBuffer ); + _swrast_use_draw_buffer(ctx); glColorSubTable(target, start, width, GL_RGBA, CHAN_TYPE, data); } @@ -90,6 +84,9 @@ _swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, SWcontext *swrast = SWRAST_CONTEXT(ctx); GLchan rgba[MAX_CONVOLUTION_WIDTH][4]; + /* Select buffer to read from */ + _swrast_use_read_buffer(ctx); + RENDER_START( swrast, ctx ); /* read the data from framebuffer */ @@ -98,6 +95,9 @@ _swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, RENDER_FINISH( swrast, ctx ); + /* Restore reading from draw buffer (the default) */ + _swrast_use_draw_buffer(ctx); + /* store as convolution filter */ glConvolutionFilter1D(target, internalFormat, width, GL_RGBA, CHAN_TYPE, rgba); @@ -114,6 +114,9 @@ _swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, GLchan rgba[MAX_CONVOLUTION_HEIGHT][MAX_CONVOLUTION_WIDTH][4]; GLint i; + /* Select buffer to read from */ + _swrast_use_read_buffer(ctx); + RENDER_START(swrast,ctx); /* read pixels from framebuffer */ @@ -124,6 +127,9 @@ _swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, RENDER_FINISH(swrast,ctx); + /* Restore reading from draw buffer (the default) */ + _swrast_use_draw_buffer(ctx); + /* * HACK: save & restore context state so we can store this as a * convolution filter via the GL api. Doesn't call any callbacks |