added missing \'s
[mesa.git] / src / mesa / swrast / s_drawpix.c
index 63281b2f7309af41afa4f9504babe02db09d07ed..e618dc0a233b0c4fe4581fbfbc876eb5e63075a0 100644 (file)
@@ -1,21 +1,21 @@
-/* $Id: s_drawpix.c,v 1.6 2001/01/03 15:59:30 brianp Exp $ */
+/* $Id: s_drawpix.c,v 1.22 2001/06/26 21:15:36 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
  * Version:  3.5
- * 
- * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
- * 
+ *
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included
  * in all copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
@@ -37,6 +37,7 @@
 
 #include "s_context.h"
 #include "s_drawpix.h"
+#include "s_fog.h"
 #include "s_pixeltex.h"
 #include "s_span.h"
 #include "s_stencil.h"
@@ -100,6 +101,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                  GLsizei width, GLsizei height,
                  GLenum format, GLenum type, const GLvoid *pixels)
 {
+   SWcontext *swrast = SWRAST_CONTEXT(ctx);
    const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
    GLchan rgb[MAX_WIDTH][3];
    GLchan rgba[MAX_WIDTH][4];
@@ -130,7 +132,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
          rowLength = width;
 
       /* If we're not using pixel zoom then do all clipping calculations
-       * now.  Otherwise, we'll let the gl_write_zoomed_*_span() functions
+       * now.  Otherwise, we'll let the _mesa_write_zoomed_*_span() functions
        * handle the clipping.
        */
       if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
@@ -182,14 +184,14 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
       }
       else {
          /* setup array of fragment Z value to pass to zoom function */
-         GLdepth z = (GLdepth) (ctx->Current.RasterPos[2] * ctx->Visual.DepthMaxF);
+         GLdepth z = (GLdepth) (ctx->Current.RasterPos[2] * ctx->DepthMaxF);
          GLint i;
          ASSERT(drawWidth < MAX_WIDTH);
          for (i=0; i<drawWidth; i++)
             zSpan[i] = z;
 
          /* save Y value of first row */
-         zoomY0 = (GLint) (ctx->Current.RasterPos[1] + 0.5F);
+         zoomY0 = IROUND(ctx->Current.RasterPos[1]);
       }
 
 
@@ -203,15 +205,15 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
 
       if (format == GL_RGBA && type == CHAN_TYPE
           && ctx->_ImageTransferState==0) {
-         if (ctx->Visual.RGBAflag) {
+         if (ctx->Visual.rgbMode) {
             GLchan *src = (GLchan *) pixels
                + (skipRows * rowLength + skipPixels) * 4;
             if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
                /* no zooming */
                GLint row;
                for (row=0; row<drawHeight; row++) {
-                  (*ctx->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
-                                               (void *) src, NULL);
+                  (*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
+                                              (CONST GLchan (*)[4]) src, NULL);
                   src += rowLength * 4;
                   destY++;
                }
@@ -221,8 +223,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                GLint row;
                for (row=0; row<drawHeight; row++) {
                   destY--;
-                  (*ctx->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
-                                              (void *) src, NULL);
+                  (*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
+                                              (CONST GLchan (*)[4]) src, NULL);
                   src += rowLength * 4;
                }
             }
@@ -230,8 +232,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                /* with zooming */
                GLint row;
                for (row=0; row<drawHeight; row++) {
-                  gl_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
-                                            zSpan, 0, (void *) src, zoomY0);
+                  _mesa_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
+                                  zSpan, 0, (CONST GLchan (*)[4]) src, zoomY0);
                   src += rowLength * 4;
                   destY++;
                }
@@ -241,14 +243,14 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
       }
       else if (format == GL_RGB && type == CHAN_TYPE
                && ctx->_ImageTransferState == 0) {
-         if (ctx->Visual.RGBAflag) {
+         if (ctx->Visual.rgbMode) {
             GLchan *src = (GLchan *) pixels
                + (skipRows * rowLength + skipPixels) * 3;
             if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
                GLint row;
                for (row=0; row<drawHeight; row++) {
-                  (*ctx->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
-                                              (void *) src, NULL);
+                  (*swrast->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
+                                              (CONST GLchan (*)[3]) src, NULL);
                   src += rowLength * 3;
                   destY++;
                }
@@ -258,8 +260,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                GLint row;
                for (row=0; row<drawHeight; row++) {
                   destY--;
-                  (*ctx->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
-                                              (void *) src, NULL);
+                  (*swrast->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
+                                              (CONST GLchan (*)[3]) src, NULL);
                   src += rowLength * 3;
                }
             }
@@ -267,8 +269,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                /* with zooming */
                GLint row;
                for (row=0; row<drawHeight; row++) {
-                  gl_write_zoomed_rgb_span(ctx, drawWidth, destX, destY,
-                                           zSpan, 0, (void *) src, zoomY0);
+                  _mesa_write_zoomed_rgb_span(ctx, drawWidth, destX, destY,
+                                  zSpan, 0, (CONST GLchan (*)[3]) src, zoomY0);
                   src += rowLength * 3;
                   destY++;
                }
@@ -278,7 +280,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
       }
       else if (format == GL_LUMINANCE && type == CHAN_TYPE
                && ctx->_ImageTransferState==0) {
-         if (ctx->Visual.RGBAflag) {
+         if (ctx->Visual.rgbMode) {
             GLchan *src = (GLchan *) pixels
                + (skipRows * rowLength + skipPixels);
             if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
@@ -292,8 +294,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                      rgb[i][1] = src[i];
                      rgb[i][2] = src[i];
                  }
-                  (*ctx->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
-                                              (void *) rgb, NULL);
+                  (*swrast->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
+                                              (CONST GLchan (*)[3]) rgb, NULL);
                   src += rowLength;
                   destY++;
                }
@@ -310,8 +312,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                      rgb[i][2] = src[i];
                   }
                   destY--;
-                  (*ctx->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
-                                              (void *) rgb, NULL);
+                  (*swrast->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
+                                              (CONST GLchan (*)[3]) rgb, NULL);
                   src += rowLength;
                }
             }
@@ -326,8 +328,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                      rgb[i][1] = src[i];
                      rgb[i][2] = src[i];
                  }
-                  gl_write_zoomed_rgb_span(ctx, drawWidth, destX, destY,
-                                           zSpan, 0, (void *) rgb, zoomY0);
+                  _mesa_write_zoomed_rgb_span(ctx, drawWidth, destX, destY,
+                                  zSpan, 0, (CONST GLchan (*)[3]) rgb, zoomY0);
                   src += rowLength;
                   destY++;
                }
@@ -337,7 +339,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
       }
       else if (format == GL_LUMINANCE_ALPHA && type == CHAN_TYPE
                && ctx->_ImageTransferState == 0) {
-         if (ctx->Visual.RGBAflag) {
+         if (ctx->Visual.rgbMode) {
             GLchan *src = (GLchan *) pixels
                + (skipRows * rowLength + skipPixels)*2;
             if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
@@ -353,8 +355,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                      rgba[i][2] = *ptr++;
                      rgba[i][3] = *ptr++;
                  }
-                  (*ctx->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
-                                               (void *) rgba, NULL);
+                  (*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
+                                             (CONST GLchan (*)[4]) rgba, NULL);
                   src += rowLength*2;
                   destY++;
                }
@@ -373,8 +375,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                      rgba[i][3] = *ptr++;
                   }
                   destY--;
-                  (*ctx->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
-                                               (void *) rgba, NULL);
+                  (*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
+                                             (CONST GLchan (*)[4]) rgba, NULL);
                   src += rowLength*2;
                }
             }
@@ -391,8 +393,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                      rgba[i][2] = *ptr++;
                      rgba[i][3] = *ptr++;
                  }
-                  gl_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
-                                            zSpan, 0, (void *) rgba, zoomY0);
+                  _mesa_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
+                                 zSpan, 0, (CONST GLchan (*)[4]) rgba, zoomY0);
                   src += rowLength*2;
                   destY++;
                }
@@ -402,7 +404,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
       }
       else if (format==GL_COLOR_INDEX && type==GL_UNSIGNED_BYTE) {
          GLubyte *src = (GLubyte *) pixels + skipRows * rowLength + skipPixels;
-         if (ctx->Visual.RGBAflag) {
+         if (ctx->Visual.rgbMode) {
             /* convert CI data to RGBA */
             if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
                /* no zooming */
@@ -410,8 +412,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                for (row=0; row<drawHeight; row++) {
                   ASSERT(drawWidth < MAX_WIDTH);
                   _mesa_map_ci8_to_rgba(ctx, drawWidth, src, rgba);
-                  (*ctx->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
-                                               (const GLchan (*)[4]) rgba, 
+                  (*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
+                                               (const GLchan (*)[4]) rgba,
                                               NULL);
                   src += rowLength;
                   destY++;
@@ -425,8 +427,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                   ASSERT(drawWidth < MAX_WIDTH);
                   _mesa_map_ci8_to_rgba(ctx, drawWidth, src, rgba);
                   destY--;
-                  (*ctx->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
-                                               (const GLchan (*)[4]) rgba, 
+                  (*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
+                                               (CONST GLchan (*)[4]) rgba,
                                                NULL);
                   src += rowLength;
                }
@@ -438,8 +440,8 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
                for (row=0; row<drawHeight; row++) {
                   ASSERT(drawWidth < MAX_WIDTH);
                   _mesa_map_ci8_to_rgba(ctx, drawWidth, src, rgba);
-                  gl_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
-                                            zSpan, 0, (void *) rgba, zoomY0);
+                  _mesa_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
+                                 zSpan, 0, (CONST GLchan (*)[4]) rgba, zoomY0);
                   src += rowLength;
                   destY++;
                }
@@ -452,7 +454,7 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
             if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
                /* no zooming */
                for (row=0; row<drawHeight; row++) {
-                  (*ctx->Driver.WriteCI8Span)(ctx, drawWidth, destX, destY,
+                  (*swrast->Driver.WriteCI8Span)(ctx, drawWidth, destX, destY,
                                               src, NULL);
                   src += rowLength;
                   destY++;
@@ -489,15 +491,24 @@ draw_index_pixels( GLcontext *ctx, GLint x, GLint y,
    const GLint desty = y;
    GLint row, drawWidth;
    GLdepth zspan[MAX_WIDTH];
+   GLfloat fogSpan[MAX_WIDTH];
 
    drawWidth = (width > MAX_WIDTH) ? MAX_WIDTH : width;
 
    /* Fragment depth values */
    if (ctx->Depth.Test || ctx->Fog.Enabled) {
-      GLdepth zval = (GLdepth) (ctx->Current.RasterPos[2] * ctx->Visual.DepthMaxF);
+      GLdepth zval = (GLdepth) (ctx->Current.RasterPos[2] * ctx->DepthMaxF);
+      GLfloat fog;
       GLint i;
+
+      if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
+         fog = _mesa_z_to_fogfactor(ctx, ctx->Current.RasterFogCoord);
+      else
+         fog = _mesa_z_to_fogfactor(ctx, ctx->Current.RasterDistance);
+
       for (i = 0; i < drawWidth; i++) {
         zspan[i] = zval;
+         fogSpan[i] = fog;
       }
    }
 
@@ -512,10 +523,12 @@ draw_index_pixels( GLcontext *ctx, GLint x, GLint y,
                               type, source, &ctx->Unpack,
                               ctx->_ImageTransferState);
       if (zoom) {
-         gl_write_zoomed_index_span(ctx, drawWidth, x, y, zspan, 0, indexes, desty);
+         _mesa_write_zoomed_index_span(ctx, drawWidth, x, y, zspan, fogSpan,
+                                       indexes, desty);
       }
       else {
-         gl_write_index_span(ctx, drawWidth, x, y, zspan, 0, indexes, GL_BITMAP);
+         _mesa_write_index_span(ctx, drawWidth, x, y, zspan, fogSpan, indexes,
+                                NULL, GL_BITMAP);
       }
    }
 }
@@ -526,7 +539,7 @@ draw_index_pixels( GLcontext *ctx, GLint x, GLint y,
  * Do glDrawPixels of stencil image.  The image datatype may either
  * be GLubyte or GLbitmap.
  */
-static void 
+static void
 draw_stencil_pixels( GLcontext *ctx, GLint x, GLint y,
                      GLsizei width, GLsizei height,
                      GLenum type, const GLvoid *pixels )
@@ -543,7 +556,7 @@ draw_stencil_pixels( GLcontext *ctx, GLint x, GLint y,
        type != GL_UNSIGNED_INT &&
        type != GL_FLOAT &&
        type != GL_BITMAP) {
-      gl_error( ctx, GL_INVALID_ENUM, "glDrawPixels(stencil type)");
+      _mesa_error( ctx, GL_INVALID_ENUM, "glDrawPixels(stencil type)");
       return;
    }
 
@@ -566,7 +579,7 @@ draw_stencil_pixels( GLcontext *ctx, GLint x, GLint y,
       }
 
       if (zoom) {
-         gl_write_zoomed_stencil_span( ctx, (GLuint) drawWidth, x, y,
+         _mesa_write_zoomed_stencil_span( ctx, (GLuint) drawWidth, x, y,
                                        values, desty );
       }
       else {
@@ -599,12 +612,12 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y,
        && type != GL_INT
        && type != GL_UNSIGNED_INT
        && type != GL_FLOAT) {
-      gl_error(ctx, GL_INVALID_ENUM, "glDrawPixels(type)");
+      _mesa_error(ctx, GL_INVALID_ENUM, "glDrawPixels(type)");
       return;
    }
 
    /* Colors or indexes */
-   if (ctx->Visual.RGBAflag) {
+   if (ctx->Visual.rgbMode) {
       GLint i;
       GLint r, g, b, a;
       UNCLAMPED_FLOAT_TO_CHAN(r, ctx->Current.RasterColor[0]);
@@ -626,55 +639,70 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y,
    }
 
    if (type==GL_UNSIGNED_SHORT && sizeof(GLdepth)==sizeof(GLushort)
-       && !bias_or_scale && !zoom && ctx->Visual.RGBAflag) {
+       && !bias_or_scale && !zoom && ctx->Visual.rgbMode) {
       /* Special case: directly write 16-bit depth values */
       GLint row;
       for (row = 0; row < height; row++, y++) {
          GLdepth zspan[MAX_WIDTH];
-         const GLushort *zptr = _mesa_image_address(&ctx->Unpack,
-                pixels, width, height, GL_DEPTH_COMPONENT, type, 0, row, 0);
+         const GLushort *zptr = (const GLushort *)
+            _mesa_image_address(&ctx->Unpack, pixels, width, height,
+                                GL_DEPTH_COMPONENT, type, 0, row, 0);
          GLint i;
          for (i = 0; i < width; i++)
             zspan[i] = zptr[i];
-         gl_write_rgba_span( ctx, width, x, y, zspan, 0, rgba, GL_BITMAP );
+         _mesa_write_rgba_span(ctx, width, x, y, zspan, 0, rgba,
+                               NULL, GL_BITMAP);
       }
    }
-   else if (type==GL_UNSIGNED_INT && ctx->Visual.DepthBits == 32
-       && !bias_or_scale && !zoom && ctx->Visual.RGBAflag) {
+   else if (type==GL_UNSIGNED_INT && ctx->Visual.depthBits == 32
+       && !bias_or_scale && !zoom && ctx->Visual.rgbMode) {
       /* Special case: directly write 32-bit depth values */
       GLint row;
       for (row = 0; row < height; row++, y++) {
-         const GLuint *zptr = _mesa_image_address(&ctx->Unpack,
-                pixels, width, height, GL_DEPTH_COMPONENT, type, 0, row, 0);
-         gl_write_rgba_span( ctx, width, x, y, zptr, 0, rgba, GL_BITMAP );
+         const GLuint *zptr = (const GLuint *)
+            _mesa_image_address(&ctx->Unpack, pixels, width, height,
+                                GL_DEPTH_COMPONENT, type, 0, row, 0);
+         _mesa_write_rgba_span(ctx, width, x, y, zptr, 0, rgba,
+                               NULL, GL_BITMAP);
       }
    }
    else {
       /* General case */
       GLint row;
       for (row = 0; row < height; row++, y++) {
+         GLfloat fspan[MAX_WIDTH];
          GLdepth zspan[MAX_WIDTH];
          const GLvoid *src = _mesa_image_address(&ctx->Unpack,
                 pixels, width, height, GL_DEPTH_COMPONENT, type, 0, row, 0);
-         _mesa_unpack_depth_span( ctx, drawWidth, zspan, type, src,
-                                  &ctx->Unpack, ctx->_ImageTransferState );
-         if (ctx->Visual.RGBAflag) {
+         _mesa_unpack_depth_span( ctx, drawWidth, fspan, type, src,
+                                  &ctx->Unpack );
+         /* clamp depth values to [0,1] and convert from floats to integers */
+         {
+            const GLfloat zs = ctx->DepthMaxF;
+            GLint i;
+            for (i = 0; i < drawWidth; i++) {
+               zspan[i] = (GLdepth) (fspan[i] * zs);
+            }
+         }
+
+         if (ctx->Visual.rgbMode) {
             if (zoom) {
-               gl_write_zoomed_rgba_span(ctx, width, x, y, zspan, 0,
-                                         (const GLchan (*)[4]) rgba, desty);
+               _mesa_write_zoomed_rgba_span(ctx, width, x, y, zspan, 0,
+                                            (const GLchan (*)[4]) rgba, desty);
             }
             else {
-               gl_write_rgba_span(ctx, width, x, y, zspan, 0, rgba, GL_BITMAP);
+               _mesa_write_rgba_span(ctx, width, x, y, zspan, 0,
+                                     rgba, NULL, GL_BITMAP);
             }
          }
          else {
             if (zoom) {
-               gl_write_zoomed_index_span(ctx, width, x, y, zspan, 0,
-                                          ispan, GL_BITMAP);
+               _mesa_write_zoomed_index_span(ctx, width, x, y, zspan, 0,
+                                             ispan, GL_BITMAP);
             }
             else {
-               gl_write_index_span(ctx, width, x, y, zspan, 0,
-                                  ispan, GL_BITMAP);
+               _mesa_write_index_span(ctx, width, x, y, zspan, 0,
+                                      ispan, NULL, GL_BITMAP);
             }
          }
 
@@ -691,16 +719,18 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
                   GLsizei width, GLsizei height,
                   GLenum format, GLenum type, const GLvoid *pixels )
 {
+   SWcontext *swrast = SWRAST_CONTEXT(ctx);
    const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
    const GLboolean zoom = ctx->Pixel.ZoomX!=1.0 || ctx->Pixel.ZoomY!=1.0;
    const GLint desty = y;
    GLdepth zspan[MAX_WIDTH];
+   GLfloat fogSpan[MAX_WIDTH];
    GLboolean quickDraw;
    GLfloat *convImage = NULL;
    GLuint transferOps = ctx->_ImageTransferState;
 
    if (!_mesa_is_legal_format_and_type(format, type)) {
-      gl_error(ctx, GL_INVALID_ENUM, "glDrawPixels(format or type)");
+      _mesa_error(ctx, GL_INVALID_ENUM, "glDrawPixels(format or type)");
       return;
    }
 
@@ -711,10 +741,18 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
    /* Fragment depth values */
    if (ctx->Depth.Test || ctx->Fog.Enabled) {
       /* fill in array of z values */
-      GLdepth z = (GLdepth) (ctx->Current.RasterPos[2] * ctx->Visual.DepthMaxF);
+      GLdepth z = (GLdepth) (ctx->Current.RasterPos[2] * ctx->DepthMaxF);
+      GLfloat fog;
       GLint i;
+
+      if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
+         fog = _mesa_z_to_fogfactor(ctx, ctx->Current.RasterFogCoord);
+      else
+         fog = _mesa_z_to_fogfactor(ctx, ctx->Current.RasterDistance);
+
       for (i=0;i<width;i++) {
         zspan[i] = z;
+         fogSpan[i] = fog;
       }
    }
 
@@ -740,13 +778,13 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
 
       tmpImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
       if (!tmpImage) {
-         gl_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
          return;
       }
       convImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
       if (!convImage) {
          FREE(tmpImage);
-         gl_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
          return;
       }
 
@@ -755,7 +793,7 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
       for (row = 0; row < height; row++) {
          const GLvoid *source = _mesa_image_address(unpack,
                   pixels, width, height, format, type, 0, row, 0);
-         _mesa_unpack_float_color_span(ctx, width, GL_RGBA, (void *) dest,
+         _mesa_unpack_float_color_span(ctx, width, GL_RGBA, (GLfloat *) dest,
                                       format, type, source, unpack,
                                       transferOps & IMAGE_PRE_CONVOLUTION_BITS,
                                       GL_FALSE);
@@ -791,7 +829,7 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
       for (row = 0; row < height; row++, y++) {
          const GLvoid *source = _mesa_image_address(unpack,
                   pixels, width, height, format, type, 0, row, 0);
-         _mesa_unpack_chan_color_span(ctx, width, GL_RGBA, (void*) rgba,
+         _mesa_unpack_chan_color_span(ctx, width, GL_RGBA, (GLchan *) rgba,
                                       format, type, source, unpack,
                                       transferOps);
          if ((ctx->Pixel.MinMaxEnabled && ctx->MinMax.Sink) ||
@@ -799,34 +837,46 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
             continue;
 
          if (ctx->Texture._ReallyEnabled && ctx->Pixel.PixelTextureEnabled) {
-            GLfloat s[MAX_WIDTH], t[MAX_WIDTH], r[MAX_WIDTH], q[MAX_WIDTH];
             GLchan primary_rgba[MAX_WIDTH][4];
             GLuint unit;
-            /* XXX not sure how multitexture is supposed to work here */
+            DEFARRAY(GLfloat, s, MAX_WIDTH);  /* mac 32k limitation */
+            DEFARRAY(GLfloat, t, MAX_WIDTH);
+            DEFARRAY(GLfloat, r, MAX_WIDTH);
+            DEFARRAY(GLfloat, q, MAX_WIDTH);
+            CHECKARRAY(s, return);  /* mac 32k limitation */
+            CHECKARRAY(t, return);
+            CHECKARRAY(r, return);
+            CHECKARRAY(q, return);
 
+            /* XXX not sure how multitexture is supposed to work here */
             MEMCPY(primary_rgba, rgba, 4 * width * sizeof(GLchan));
 
             for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
                if (ctx->Texture.Unit[unit]._ReallyEnabled) {
                   _mesa_pixeltexgen(ctx, width, (const GLchan (*)[4]) rgba,
                                     s, t, r, q);
-                  gl_texture_pixels(ctx, unit, width, s, t, r, NULL,
-                                    primary_rgba, rgba);
+                  _swrast_texture_fragments(ctx, unit, width, s, t, r, NULL,
+                                            (CONST GLchan (*)[4]) primary_rgba,
+                                            rgba);
                }
             }
+            UNDEFARRAY(s);  /* mac 32k limitation */
+            UNDEFARRAY(t);
+            UNDEFARRAY(r);
+            UNDEFARRAY(q);
          }
 
          if (quickDraw) {
-            (*ctx->Driver.WriteRGBASpan)( ctx, width, x, y,
-                                          (CONST GLchan (*)[]) rgba, NULL);
+            (*swrast->Driver.WriteRGBASpan)(ctx, width, x, y,
+                                            (CONST GLchan (*)[4]) rgba, NULL);
          }
          else if (zoom) {
-            gl_write_zoomed_rgba_span( ctx, width, x, y, zspan, 0,
-                                      (CONST GLchan (*)[]) rgba, desty );
+            _mesa_write_zoomed_rgba_span(ctx, width, x, y, zspan, fogSpan,
+                                         (CONST GLchan (*)[4]) rgba, desty);
          }
          else {
-            gl_write_rgba_span( ctx, (GLuint) width, x, y, zspan, 0,
-                               rgba, GL_BITMAP);
+            _mesa_write_rgba_span(ctx, (GLuint) width, x, y, zspan, fogSpan,
+                                  rgba, NULL, GL_BITMAP);
          }
       }
    }
@@ -842,18 +892,22 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
  * Execute glDrawPixels
  */
 void
-_swrast_DrawPixels( GLcontext *ctx, 
+_swrast_DrawPixels( GLcontext *ctx,
                    GLint x, GLint y,
                    GLsizei width, GLsizei height,
-                   GLenum format, GLenum type, 
+                   GLenum format, GLenum type,
                    const struct gl_pixelstore_attrib *unpack,
                    const GLvoid *pixels )
 {
+   SWcontext *swrast = SWRAST_CONTEXT(ctx);
    (void) unpack;
 
-   if (SWRAST_CONTEXT(ctx)->NewState)
+
+   if (swrast->NewState)
       _swrast_validate_derived( ctx );
 
+   RENDER_START(swrast,ctx);
+
    switch (format) {
    case GL_STENCIL_INDEX:
       draw_stencil_pixels( ctx, x, y, width, height, type, pixels );
@@ -862,7 +916,7 @@ _swrast_DrawPixels( GLcontext *ctx,
       draw_depth_pixels( ctx, x, y, width, height, type, pixels );
       break;
    case GL_COLOR_INDEX:
-      if (ctx->Visual.RGBAflag)
+      if (ctx->Visual.rgbMode)
         draw_rgba_pixels(ctx, x,y, width, height, format, type, pixels);
       else
         draw_index_pixels(ctx, x, y, width, height, type, pixels);
@@ -881,7 +935,8 @@ _swrast_DrawPixels( GLcontext *ctx,
       draw_rgba_pixels(ctx, x, y, width, height, format, type, pixels);
       break;
    default:
-      gl_error( ctx, GL_INVALID_ENUM, "glDrawPixels(format)" );
+      _mesa_error( ctx, GL_INVALID_ENUM, "glDrawPixels(format)" );
    }
-}
 
+   RENDER_FINISH(swrast,ctx);
+}