Reorganized software rasterizer as a module which manages its own state,

with tighter interfaces with the rest of the world.

Proper documentation to come.

1 files changed, 8 insertions, 4 deletions

diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 74a4d68266..ba3aca5392 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -1,4 +1,4 @@
-/* $Id: s_readpix.c,v 1.1 2000/10/31 18:00:04 keithw Exp $ */
+/* $Id: s_readpix.c,v 1.2 2000/11/05 18:24:40 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -36,6 +36,7 @@
 #include "pixel.h"
 
 #include "s_alphabuf.h"
+#include "s_context.h"
 #include "s_depth.h"
 #include "s_span.h"
 #include "s_stencil.h"
@@ -497,7 +498,7 @@ read_fast_rgba_pixels( GLcontext *ctx,
                        const struct gl_pixelstore_attrib *packing )
 {
    /* can't do scale, bias, mapping, etc */
-   if (ctx->ImageTransferState)
+   if (ctx->_ImageTransferState)
        return GL_FALSE;
 
    /* can't do fancy pixel packing */
@@ -636,7 +637,7 @@ static void read_rgba_pixels( GLcontext *ctx,
    }
 
    if (ctx->Pixel.Convolution2DEnabled || ctx->Pixel.Separable2DEnabled) {
-      const GLuint transferOps = ctx->ImageTransferState;
+      const GLuint transferOps = ctx->_ImageTransferState;
       GLfloat *dest, *src, *tmpImage, *convImage;
       GLint row;
 
@@ -717,7 +718,7 @@ static void read_rgba_pixels( GLcontext *ctx,
                                    format, type, 0, row, 0);
          _mesa_pack_rgba_span(ctx, readWidth, (const GLchan (*)[4]) rgba,
                               format, type, dst, packing,
-                              ctx->ImageTransferState);
+                              ctx->_ImageTransferState);
       }
    }
 
@@ -735,6 +736,9 @@ _swrast_ReadPixels( GLcontext *ctx,
 {
    (void) pack;
 
+   if (SWRAST_CONTEXT(ctx)->NewState)
+      _swrast_validate_derived( ctx );
+
    switch (format) {
       case GL_COLOR_INDEX:
          read_index_pixels(ctx, x, y, width, height, type, pixels, &ctx->Pack);