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Diffstat (limited to 'src/mesa/swrast/s_drawpix.c')
-rw-r--r--src/mesa/swrast/s_drawpix.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index 59b2d0294b3..4ab5a7717ac 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -1,4 +1,4 @@
-/* $Id: s_drawpix.c,v 1.19 2001/05/16 20:27:12 brianp Exp $ */
+/* $Id: s_drawpix.c,v 1.20 2001/05/30 15:22:05 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -490,15 +490,19 @@ 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->DepthMaxF);
+ GLfloat fog = (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) ?
+ ctx->Current.RasterFogCoord : ctx->Current.RasterDistance;
GLint i;
for (i = 0; i < drawWidth; i++) {
zspan[i] = zval;
+ fogSpan[i] = fog;
}
}
@@ -513,11 +517,11 @@ draw_index_pixels( GLcontext *ctx, GLint x, GLint y,
type, source, &ctx->Unpack,
ctx->_ImageTransferState);
if (zoom) {
- _mesa_write_zoomed_index_span(ctx, drawWidth, x, y, zspan, 0,
+ _mesa_write_zoomed_index_span(ctx, drawWidth, x, y, zspan, fogSpan,
indexes, desty);
}
else {
- _mesa_write_index_span(ctx, drawWidth, x, y, zspan, 0, indexes,
+ _mesa_write_index_span(ctx, drawWidth, x, y, zspan, fogSpan, indexes,
NULL, GL_BITMAP);
}
}
@@ -714,6 +718,7 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
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;
@@ -731,9 +736,12 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
if (ctx->Depth.Test || ctx->Fog.Enabled) {
/* fill in array of z values */
GLdepth z = (GLdepth) (ctx->Current.RasterPos[2] * ctx->DepthMaxF);
+ GLfloat fog = (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) ?
+ ctx->Current.RasterFogCoord : ctx->Current.RasterDistance;
GLint i;
for (i=0;i<width;i++) {
zspan[i] = z;
+ fogSpan[i] = fog;
}
}
@@ -852,11 +860,11 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
(CONST GLchan (*)[4]) rgba, NULL);
}
else if (zoom) {
- _mesa_write_zoomed_rgba_span(ctx, width, x, y, zspan, 0,
+ _mesa_write_zoomed_rgba_span(ctx, width, x, y, zspan, fogSpan,
(CONST GLchan (*)[4]) rgba, desty);
}
else {
- _mesa_write_rgba_span(ctx, (GLuint) width, x, y, zspan, 0,
+ _mesa_write_rgba_span(ctx, (GLuint) width, x, y, zspan, fogSpan,
rgba, NULL, GL_BITMAP);
}
}