-/* $Id: xm_line.c,v 1.14 2001/01/02 22:02:52 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 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"),
* 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
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "glxheader.h"
-#include "depth.h"
-#include "macros.h"
-#include "mmath.h"
-#include "mtypes.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
#include "xmesaP.h"
/* Internal swrast includes:
*/
#if 000
/* XXX don't use this, it doesn't dither correctly */
-static void draw_points_ANY_pixmap( GLcontext *ctx, const SWvertex *vert )
+static void draw_points_ANY_pixmap( struct gl_context *ctx, const SWvertex *vert )
{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaContext xmesa = XMESA_CONTEXT(ctx);
XMesaDisplay *dpy = xmesa->xm_visual->display;
XMesaDrawable buffer = xmesa->xm_buffer->buffer;
XMesaGC gc = xmesa->xm_buffer->gc;
- if (xmesa->xm_visual->gl_visual->RGBAflag) {
+ if (xmesa->xm_visual->mesa_visual.RGBAflag) {
register int x, y;
const GLubyte *color = vert->color;
unsigned long pixel = xmesa_color_to_pixel( xmesa,
color[2], color[3],
xmesa->pixelformat);
XMesaSetForeground( dpy, gc, pixel );
- x = (GLint) vert->win[0];
- y = FLIP( xmesa->xm_buffer, (GLint) vert->win[1] );
+ x = (GLint) vert->win[0];
+ y = YFLIP( xrb, (GLint) vert->win[1] );
XMesaDrawPoint( dpy, buffer, gc, x, y);
}
else {
register int x, y;
XMesaSetForeground( dpy, gc, vert->index );
x = (GLint) vert->win[0];
- y = FLIP( xmesa->xm_buffer, (GLint) vert->win[1] );
+ y = YFLIP( xrb, (GLint) vert->win[1] );
XMesaDrawPoint( dpy, buffer, gc, x, y);
}
}
* our internal point functions, otherwise fall back to the standard
* swrast functions.
*/
-void xmesa_choose_point( GLcontext *ctx )
+void xmesa_choose_point( struct gl_context *ctx )
{
#if 0
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaContext xmesa = XMESA_CONTEXT(ctx);
SWcontext *swrast = SWRAST_CONTEXT(ctx);
if (ctx->RenderMode == GL_RENDER
&& ctx->Point.Size == 1.0F && !ctx->Point.SmoothFlag
&& swrast->_RasterMask == 0
- && !ctx->Texture._ReallyEnabled
+ && !ctx->Texture._EnabledUnits
&& xmesa->xm_buffer->buffer != XIMAGE) {
swrast->Point = draw_points_ANY_pixmap;
}
/**********************************************************************/
+#if CHAN_BITS == 8
+
+
+#define GET_XRB(XRB) struct xmesa_renderbuffer *XRB = \
+ xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0])
+
+
/*
* Draw a flat-shaded, PF_TRUECOLOR line into an XImage.
*/
-static void flat_TRUECOLOR_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- XMesaImage *img = xmesa->xm_buffer->backimage;
- unsigned long pixel;
+#define NAME flat_TRUECOLOR_line
+#define SETUP_CODE \
+ XMesaContext xmesa = XMESA_CONTEXT(ctx); \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
+ unsigned long pixel; \
PACK_TRUECOLOR( pixel, color[0], color[1], color[2] );
-
-#define INTERP_XY 1
#define CLIP_HACK 1
-#define PLOT(X,Y) XMesaPutPixel( img, X, FLIP(xmesa->xm_buffer, Y), pixel );
-
+#define PLOT(X,Y) XMesaPutPixel(xrb->ximage, X, YFLIP(xrb, Y), pixel );
#include "swrast/s_linetemp.h"
-}
/*
* Draw a flat-shaded, PF_8A8B8G8R line into an XImage.
*/
-static void flat_8A8B8G8R_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] );
-
+#define NAME flat_8A8B8G8R_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
+ GLuint pixel = PACK_8A8B8G8R(color[0], color[1], color[2], color[3]);
#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
#define CLIP_HACK 1
#define PLOT(X,Y) *pixelPtr = pixel;
+#include "swrast/s_linetemp.h"
+
+
+/*
+ * Draw a flat-shaded, PF_8A8R8G8B line into an XImage.
+ */
+#define NAME flat_8A8R8G8B_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
+ GLuint pixel = PACK_8A8R8G8B(color[0], color[1], color[2], color[3]);
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
+#define CLIP_HACK 1
+#define PLOT(X,Y) *pixelPtr = pixel;
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, PF_8R8G8B line into an XImage.
*/
-static void flat_8R8G8B_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
+#define NAME flat_8R8G8B_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
-
#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
#define CLIP_HACK 1
#define PLOT(X,Y) *pixelPtr = pixel;
-
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, PF_8R8G8B24 line into an XImage.
*/
-static void flat_8R8G8B24_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
-
+#define NAME flat_8R8G8B24_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color;
#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR3(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
#define CLIP_HACK 1
#define PLOT(X,Y) { \
pixelPtr->r = color[RCOMP]; \
pixelPtr->g = color[GCOMP]; \
pixelPtr->b = color[BCOMP]; \
}
-
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, PF_5R6G5B line into an XImage.
*/
-static void flat_5R6G5B_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
+#define NAME flat_5R6G5B_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] );
-
#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
#define CLIP_HACK 1
#define PLOT(X,Y) *pixelPtr = pixel;
-
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, PF_DITHER_5R6G5B line into an XImage.
*/
-static void flat_DITHER_5R6G5B_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
-
+#define NAME flat_DITHER_5R6G5B_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ XMesaContext xmesa = XMESA_CONTEXT(ctx); \
+ const GLubyte *color = vert1->color;
#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
#define CLIP_HACK 1
#define PLOT(X,Y) PACK_TRUEDITHER( *pixelPtr, X, Y, color[0], color[1], color[2] );
-
-#include "swrast/s_linetemp.h"
-}
-
-
-
-/*
- * Draw a flat-shaded, PF_DITHER 8-bit line into an XImage.
- */
-static void flat_DITHER8_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLint r = color[0], g = color[1], b = color[2];
- DITHER_SETUP;
-
-#define INTERP_XY 1
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = DITHER(X,Y,r,g,b);
-
#include "swrast/s_linetemp.h"
-}
-
-
-/*
- * Draw a flat-shaded, PF_LOOKUP 8-bit line into an XImage.
- */
-static void flat_LOOKUP8_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLubyte pixel;
- LOOKUP_SETUP;
- pixel = (GLubyte) LOOKUP( color[0], color[1], color[2] );
-
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = pixel;
-
-#include "swrast/s_linetemp.h"
-}
-
-
-/*
- * Draw a flat-shaded, PF_HPCR line into an XImage.
- */
-static void flat_HPCR_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLint r = color[0], g = color[1], b = color[2];
-
-#define INTERP_XY 1
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = (GLubyte) DITHER_HPCR(X,Y,r,g,b);
-
-#include "swrast/s_linetemp.h"
-}
/*
* Draw a flat-shaded, Z-less, PF_TRUECOLOR line into an XImage.
*/
-static void flat_TRUECOLOR_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- XMesaImage *img = xmesa->xm_buffer->backimage;
- unsigned long pixel;
+#define NAME flat_TRUECOLOR_z_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ XMesaContext xmesa = XMESA_CONTEXT(ctx); \
+ const GLubyte *color = vert1->color; \
+ unsigned long pixel; \
PACK_TRUECOLOR( pixel, color[0], color[1], color[2] );
-
-#define INTERP_XY 1
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define CLIP_HACK 1
#define PLOT(X,Y) \
if (Z < *zPtr) { \
*zPtr = Z; \
- XMesaPutPixel( img, X, FLIP(xmesa->xm_buffer, Y), pixel ); \
+ XMesaPutPixel(xrb->ximage, X, YFLIP(xrb, Y), pixel); \
}
-
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, Z-less, PF_8A8B8G8R line into an XImage.
*/
-static void flat_8A8B8G8R_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] );
-
+#define NAME flat_8A8B8G8R_z_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
+ GLuint pixel = PACK_8A8B8G8R(color[0], color[1], color[2], color[3]);
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y)
#define CLIP_HACK 1
#define PLOT(X,Y) \
if (Z < *zPtr) { \
*zPtr = Z; \
*pixelPtr = pixel; \
}
+#include "swrast/s_linetemp.h"
+
+
+/*
+ * Draw a flat-shaded, Z-less, PF_8A8R8G8B line into an XImage.
+ */
+#define NAME flat_8A8R8G8B_z_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
+ GLuint pixel = PACK_8A8R8G8B(color[0], color[1], color[2], color[3]);
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y)
+#define CLIP_HACK 1
+#define PLOT(X,Y) \
+ if (Z < *zPtr) { \
+ *zPtr = Z; \
+ *pixelPtr = pixel; \
+ }
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, Z-less, PF_8R8G8B line into an XImage.
*/
-static void flat_8R8G8B_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
+#define NAME flat_8R8G8B_z_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
-
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y)
#define CLIP_HACK 1
#define PLOT(X,Y) \
if (Z < *zPtr) { \
*zPtr = Z; \
*pixelPtr = pixel; \
}
-
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, Z-less, PF_8R8G8B24 line into an XImage.
*/
-static void flat_8R8G8B24_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
-
+#define NAME flat_8R8G8B24_z_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color;
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR3(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X,Y)
#define CLIP_HACK 1
#define PLOT(X,Y) \
if (Z < *zPtr) { \
pixelPtr->g = color[GCOMP]; \
pixelPtr->b = color[BCOMP]; \
}
-
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, Z-less, PF_5R6G5B line into an XImage.
*/
-static void flat_5R6G5B_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
+#define NAME flat_5R6G5B_z_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ const GLubyte *color = vert1->color; \
GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] );
-
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X,Y)
#define CLIP_HACK 1
#define PLOT(X,Y) \
if (Z < *zPtr) { \
*pixelPtr = pixel; \
}
#include "swrast/s_linetemp.h"
-}
+
/*
* Draw a flat-shaded, Z-less, PF_DITHER_5R6G5B line into an XImage.
*/
-static void flat_DITHER_5R6G5B_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
-
+#define NAME flat_DITHER_5R6G5B_z_line
+#define SETUP_CODE \
+ GET_XRB(xrb); \
+ XMesaContext xmesa = XMESA_CONTEXT(ctx); \
+ const GLubyte *color = vert1->color;
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
+#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X,Y)
#define CLIP_HACK 1
#define PLOT(X,Y) \
if (Z < *zPtr) { \
PACK_TRUEDITHER(*pixelPtr, X, Y, color[0], color[1], color[2]); \
}
#include "swrast/s_linetemp.h"
-}
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_DITHER 8-bit line into an XImage.
- */
-static void flat_DITHER8_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLint r = color[0], g = color[1], b = color[2];
- DITHER_SETUP;
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = (GLubyte) DITHER( X, Y, r, g, b); \
- }
-#include "swrast/s_linetemp.h"
-}
-/*
- * Draw a flat-shaded, Z-less, PF_LOOKUP 8-bit line into an XImage.
+/**
+ * Draw fast, XOR line with XDrawLine in front color buffer.
+ * WARNING: this isn't fully OpenGL conformant because different pixels
+ * will be hit versus using the other line functions.
+ * Don't use the code in X server GLcore module since we need a wrapper
+ * for the XSetLineAttributes() function call.
*/
-static void flat_LOOKUP8_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
+static void
+xor_line(struct gl_context *ctx, const SWvertex *vert0, const SWvertex *vert1)
{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLubyte pixel;
- LOOKUP_SETUP;
- pixel = (GLubyte) LOOKUP( color[0], color[1], color[2] );
-
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = pixel; \
- }
-
-#include "swrast/s_linetemp.h"
+ XMesaContext xmesa = XMESA_CONTEXT(ctx);
+ XMesaDisplay *dpy = xmesa->xm_visual->display;
+ XMesaGC gc = xmesa->xm_buffer->gc;
+ GET_XRB(xrb);
+ unsigned long pixel = xmesa_color_to_pixel(ctx,
+ vert1->color[0], vert1->color[1],
+ vert1->color[2], vert1->color[3],
+ xmesa->pixelformat);
+ int x0 = (GLint) vert0->attrib[VARYING_SLOT_POS][0];
+ int y0 = YFLIP(xrb, (GLint) vert0->attrib[VARYING_SLOT_POS][1]);
+ int x1 = (GLint) vert1->attrib[VARYING_SLOT_POS][0];
+ int y1 = YFLIP(xrb, (GLint) vert1->attrib[VARYING_SLOT_POS][1]);
+ XMesaSetForeground(dpy, gc, pixel);
+ XMesaSetFunction(dpy, gc, GXxor);
+ XSetLineAttributes(dpy, gc, (int) ctx->Line.Width,
+ LineSolid, CapButt, JoinMiter);
+ XDrawLine(dpy, xrb->pixmap, gc, x0, y0, x1, y1);
+ XMesaSetFunction(dpy, gc, GXcopy); /* this gc is used elsewhere */
}
-/*
- * Draw a flat-shaded, Z-less, PF_HPCR line into an XImage.
- */
-static void flat_HPCR_z_line( GLcontext *ctx,
- const SWvertex *vert0, const SWvertex *vert1 )
-{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
- const GLubyte *color = vert0->color;
- GLint r = color[0], g = color[1], b = color[2];
-
-#define INTERP_XY 1
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = (GLubyte) DITHER_HPCR( X, Y, r, g, b); \
- }
-
-#include "swrast/s_linetemp.h"
-}
+#endif /* CHAN_BITS == 8 */
-static swrast_line_func get_line_func( GLcontext *ctx )
+/**
+ * Return pointer to line drawing function, or NULL if we should use a
+ * swrast fallback.
+ */
+static swrast_line_func
+get_line_func(struct gl_context *ctx)
{
- XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#if CHAN_BITS == 8
SWcontext *swrast = SWRAST_CONTEXT(ctx);
- int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
-
- (void) DitherValues; /* silence unused var warning */
- (void) kernel1; /* silence unused var warning */
+ XMesaContext xmesa = XMESA_CONTEXT(ctx);
+ const struct xmesa_renderbuffer *xrb;
+ if ((ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_FRONT_LEFT) &&
+ (ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_BACK_LEFT))
+ return (swrast_line_func) NULL;
if (ctx->RenderMode != GL_RENDER) return (swrast_line_func) NULL;
if (ctx->Line.SmoothFlag) return (swrast_line_func) NULL;
- if (ctx->Texture._ReallyEnabled) return (swrast_line_func) NULL;
+ if (ctx->Texture._EnabledUnits) return (swrast_line_func) NULL;
if (ctx->Light.ShadeModel != GL_FLAT) return (swrast_line_func) NULL;
if (ctx->Line.StippleFlag) return (swrast_line_func) NULL;
+ if (swrast->_RasterMask & MULTI_DRAW_BIT) return (swrast_line_func) NULL;
- if (xmesa->xm_buffer->buffer==XIMAGE
+ xrb = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
+
+ if (xrb->ximage
&& swrast->_RasterMask==DEPTH_BIT
&& ctx->Depth.Func==GL_LESS
&& ctx->Depth.Mask==GL_TRUE
- && ctx->Visual.DepthBits == DEFAULT_SOFTWARE_DEPTH_BITS
+ && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
&& ctx->Line.Width==1.0F) {
switch (xmesa->pixelformat) {
- case PF_TRUECOLOR:
+ case PF_Truecolor:
return flat_TRUECOLOR_z_line;
case PF_8A8B8G8R:
return flat_8A8B8G8R_z_line;
+ case PF_8A8R8G8B:
+ return flat_8A8R8G8B_z_line;
case PF_8R8G8B:
return flat_8R8G8B_z_line;
case PF_8R8G8B24:
return flat_8R8G8B24_z_line;
case PF_5R6G5B:
return flat_5R6G5B_z_line;
- case PF_DITHER_5R6G5B:
+ case PF_Dither_5R6G5B:
return flat_DITHER_5R6G5B_z_line;
- case PF_DITHER:
- return (depth==8) ? flat_DITHER8_z_line : (swrast_line_func) NULL;
- case PF_LOOKUP:
- return (depth==8) ? flat_LOOKUP8_z_line : (swrast_line_func) NULL;
- case PF_HPCR:
- return flat_HPCR_z_line;
default:
return (swrast_line_func)NULL;
}
}
- if (xmesa->xm_buffer->buffer==XIMAGE
+ if (xrb->ximage
&& swrast->_RasterMask==0
&& ctx->Line.Width==1.0F) {
switch (xmesa->pixelformat) {
- case PF_TRUECOLOR:
+ case PF_Truecolor:
return flat_TRUECOLOR_line;
case PF_8A8B8G8R:
return flat_8A8B8G8R_line;
+ case PF_8A8R8G8B:
+ return flat_8A8R8G8B_line;
case PF_8R8G8B:
return flat_8R8G8B_line;
case PF_8R8G8B24:
return flat_8R8G8B24_line;
case PF_5R6G5B:
return flat_5R6G5B_line;
- case PF_DITHER_5R6G5B:
+ case PF_Dither_5R6G5B:
return flat_DITHER_5R6G5B_line;
- case PF_DITHER:
- return (depth==8) ? flat_DITHER8_line : (swrast_line_func) NULL;
- case PF_LOOKUP:
- return (depth==8) ? flat_LOOKUP8_line : (swrast_line_func) NULL;
- case PF_HPCR:
- return flat_HPCR_line;
default:
return (swrast_line_func)NULL;
}
}
+ if (ctx->DrawBuffer->_NumColorDrawBuffers == 1
+ && ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT
+ && swrast->_RasterMask == LOGIC_OP_BIT
+ && ctx->Color.LogicOp == GL_XOR
+ && !ctx->Line.StippleFlag
+ && !ctx->Line.SmoothFlag) {
+ return xor_line;
+ }
+
+#endif /* CHAN_BITS == 8 */
return (swrast_line_func) NULL;
}
-/* Override for the swrast line-selection function. Try to use one
+
+/**
+ * Override for the swrast line-selection function. Try to use one
* of our internal line functions, otherwise fall back to the
* standard swrast functions.
*/
-void xmesa_choose_line( GLcontext *ctx )
+void
+xmesa_choose_line(struct gl_context *ctx)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
if (!(swrast->Line = get_line_func( ctx )))
_swrast_choose_line( ctx );
}
-
-
-#define XMESA_NEW_POINT (_NEW_POINT | \
- _NEW_RENDERMODE | \
- _SWRAST_NEW_RASTERMASK)
-
-#define XMESA_NEW_LINE (_NEW_LINE | \
- _NEW_TEXTURE | \
- _NEW_LIGHT | \
- _NEW_DEPTH | \
- _NEW_RENDERMODE | \
- _SWRAST_NEW_RASTERMASK)
-
-#define XMESA_NEW_TRIANGLE (_NEW_POLYGON | \
- _NEW_TEXTURE | \
- _NEW_LIGHT | \
- _NEW_DEPTH | \
- _NEW_RENDERMODE | \
- _SWRAST_NEW_RASTERMASK)
-
-
-/* Extend the software rasterizer with our line/point/triangle
- * functions.
- */
-void xmesa_register_swrast_functions( GLcontext *ctx )
-{
- SWcontext *swrast = SWRAST_CONTEXT( ctx );
-
- swrast->choose_point = xmesa_choose_point;
- swrast->choose_line = xmesa_choose_line;
- swrast->choose_triangle = xmesa_choose_triangle;
-
- swrast->invalidate_point |= XMESA_NEW_POINT;
- swrast->invalidate_line |= XMESA_NEW_LINE;
- swrast->invalidate_triangle |= XMESA_NEW_TRIANGLE;
-}
projects / mesa.git / blobdiff