remove DitherValues

[mesa.git] / src / mesa / drivers / x11 / xm_line.c

diff --git a/src/mesa/drivers/x11/xm_line.c b/src/mesa/drivers/x11/xm_line.c
index 1855fad99e3e727fe3ff909c31bcd5126a468116..a5352d614747883828dc1fd861565cacd8f5eec1 100644 (file)
--- a/src/mesa/drivers/x11/xm_line.c
+++ b/src/mesa/drivers/x11/xm_line.c
@@ -1,4 +1,3 @@
-/* $Id: xm_line.c,v 1.22 2003/02/17 16:35:57 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -35,7 +34,6 @@
 #include "glxheader.h"
 #include "depth.h"
 #include "macros.h"
-#include "mmath.h"
 #include "mtypes.h"
 #include "xmesaP.h"
 
@@ -59,7 +57,7 @@
 /* XXX don't use this, it doesn't dither correctly */
 static void draw_points_ANY_pixmap( GLcontext *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;
@@ -95,7 +93,7 @@ static void draw_points_ANY_pixmap( GLcontext *ctx, const SWvertex *vert )
 void xmesa_choose_point( GLcontext *ctx )
 {
 #if 0
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
 
    if (ctx->RenderMode == GL_RENDER
@@ -125,7 +123,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_TRUECOLOR_line
 #define SETUP_CODE                                     \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);            \
    const GLubyte *color = vert1->color;                        \
    XMesaImage *img = xmesa->xm_buffer->backimage;      \
    unsigned long pixel;                                        \
@@ -141,7 +139,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_8A8B8G8R_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] );
 #define PIXEL_TYPE GLuint
@@ -158,7 +156,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_8R8G8B_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
 #define PIXEL_TYPE GLuint
@@ -175,7 +173,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_8R8G8B24_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;
 #define PIXEL_TYPE bgr_t
 #define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
@@ -195,7 +193,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_5R6G5B_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] );
 #define PIXEL_TYPE GLushort
@@ -212,7 +210,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_DITHER_5R6G5B_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   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)
@@ -229,7 +227,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_DITHER8_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLint r = color[0], g = color[1], b = color[2];             \
    DITHER_SETUP;
@@ -247,7 +245,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_LOOKUP8_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLubyte pixel;                                              \
    LOOKUP_SETUP;                                               \
@@ -266,7 +264,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_HPCR_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLint r = color[0], g = color[1], b = color[2];
 #define PIXEL_TYPE GLubyte
@@ -284,7 +282,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_TRUECOLOR_z_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    XMesaImage *img = xmesa->xm_buffer->backimage;              \
    unsigned long pixel;                                                \
@@ -306,7 +304,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_8A8B8G8R_z_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] );
 #define INTERP_Z 1
@@ -329,7 +327,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_8R8G8B_z_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
 #define INTERP_Z 1
@@ -352,7 +350,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_8R8G8B24_z_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;
 #define INTERP_Z 1
 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
@@ -376,7 +374,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_5R6G5B_z_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] );
 #define INTERP_Z 1
@@ -399,7 +397,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_DITHER_5R6G5B_z_line
 #define SETUP_CODE                                     \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);            \
    const GLubyte *color = vert1->color;
 #define INTERP_Z 1
 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
@@ -421,7 +419,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_DITHER8_z_line
 #define SETUP_CODE                                     \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);            \
    const GLubyte *color = vert1->color;                        \
    GLint r = color[0], g = color[1], b = color[2];     \
    DITHER_SETUP;
@@ -445,7 +443,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_LOOKUP8_z_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLubyte pixel;                                              \
    LOOKUP_SETUP;                                               \
@@ -470,7 +468,7 @@ void xmesa_choose_point( GLcontext *ctx )
  */
 #define NAME flat_HPCR_z_line
 #define SETUP_CODE                                             \
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;         \
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);                    \
    const GLubyte *color = vert1->color;                                \
    GLint r = color[0], g = color[1], b = color[2];
 #define INTERP_Z 1
@@ -490,13 +488,12 @@ void xmesa_choose_point( GLcontext *ctx )
 
 static swrast_line_func get_line_func( GLcontext *ctx )
 {
-   XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+   XMesaContext xmesa = XMESA_CONTEXT(ctx);
    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 */
-
+   if ((ctx->Color._DrawDestMask & (DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT)) ==0)
+      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._EnabledUnits)        return (swrast_line_func) NULL;