DRI/swrast: Remove color-index support from DRI swrast driver

It appears that color-index rendering wasn't actually supported
anyway.  swrastFillInModes did not previously create an color-index
configs, so it doesn't seem like there would be any way to get a
color-index visual.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

4 files changed, 27 insertions, 105 deletions

diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c
index b2e7df34e8..03c672ecf1 100644
--- a/src/mesa/drivers/dri/swrast/swrast.c
+++ b/src/mesa/drivers/dri/swrast/swrast.c
@@ -203,34 +203,28 @@ static const __DRIextension **driGetExtensions(__DRIscreen *psp)
 static GLuint
 choose_pixel_format(const GLvisual *v)
 {
-    if (v->rgbMode) {
-	int depth = v->rgbBits;
-
-	if (depth == 32
-	    && v->redMask   == 0xff0000
-	    && v->greenMask == 0x00ff00
-	    && v->blueMask  == 0x0000ff)
-	    return PF_A8R8G8B8;
-	else if (depth == 24
-	    && v->redMask   == 0xff0000
-	    && v->greenMask == 0x00ff00
-	    && v->blueMask  == 0x0000ff)
-	    return PF_X8R8G8B8;
-	else if (depth == 16
-	    && v->redMask   == 0xf800
-	    && v->greenMask == 0x07e0
-	    && v->blueMask  == 0x001f)
-	    return PF_R5G6B5;
-	else if (depth == 8
-	    && v->redMask   == 0x07
-	    && v->greenMask == 0x38
-	    && v->blueMask  == 0xc0)
-	    return PF_R3G3B2;
-    }
-    else {
-	if (v->indexBits == 8)
-	    return PF_CI8;
-    }
+    int depth = v->rgbBits;
+
+    if (depth == 32
+	&& v->redMask   == 0xff0000
+	&& v->greenMask == 0x00ff00
+	&& v->blueMask  == 0x0000ff)
+	return PF_A8R8G8B8;
+    else if (depth == 24
+	     && v->redMask   == 0xff0000
+	     && v->greenMask == 0x00ff00
+	     && v->blueMask  == 0x0000ff)
+	return PF_X8R8G8B8;
+    else if (depth == 16
+	     && v->redMask   == 0xf800
+	     && v->greenMask == 0x07e0
+	     && v->blueMask  == 0x001f)
+	return PF_R5G6B5;
+    else if (depth == 8
+	     && v->redMask   == 0x07
+	     && v->greenMask == 0x38
+	     && v->blueMask  == 0xc0)
+	return PF_R3G3B2;
 
     _mesa_problem( NULL, "unexpected format in %s", __FUNCTION__ );
     return 0;
@@ -335,13 +329,6 @@ swrast_new_renderbuffer(const GLvisual *visual, GLboolean front)
 	xrb->Base.DataType = GL_UNSIGNED_BYTE;
 	xrb->bpp = 8;
 	break;
-    case PF_CI8:
-	xrb->Base.Format = MESA_FORMAT_CI8;
-	xrb->Base.InternalFormat = GL_COLOR_INDEX8_EXT;
-	xrb->Base._BaseFormat = GL_COLOR_INDEX;
-	xrb->Base.DataType = GL_UNSIGNED_BYTE;
-	xrb->bpp = 8;
-	break;
     default:
 	return NULL;
     }
diff --git a/src/mesa/drivers/dri/swrast/swrast_priv.h b/src/mesa/drivers/dri/swrast/swrast_priv.h
index 59b4a6d228..4722007f95 100644
--- a/src/mesa/drivers/dri/swrast/swrast_priv.h
+++ b/src/mesa/drivers/dri/swrast/swrast_priv.h
@@ -116,11 +116,10 @@ swrast_renderbuffer(struct gl_renderbuffer *rb)
 /**
  * Pixel formats we support
  */
-#define PF_CI8        1		/**< Color Index mode */
-#define PF_A8R8G8B8   2		/**< 32bpp TrueColor:  8-A, 8-R, 8-G, 8-B bits */
-#define PF_R5G6B5     3		/**< 16bpp TrueColor:  5-R, 6-G, 5-B bits */
-#define PF_R3G3B2     4		/**<  8bpp TrueColor:  3-R, 3-G, 2-B bits */
-#define PF_X8R8G8B8   5		/**< 32bpp TrueColor:  8-R, 8-G, 8-B bits */
+#define PF_A8R8G8B8   1		/**< 32bpp TrueColor:  8-A, 8-R, 8-G, 8-B bits */
+#define PF_R5G6B5     2		/**< 16bpp TrueColor:  5-R, 6-G, 5-B bits */
+#define PF_R3G3B2     3		/**<  8bpp TrueColor:  3-R, 3-G, 2-B bits */
+#define PF_X8R8G8B8   4		/**< 32bpp TrueColor:  8-R, 8-G, 8-B bits */
 
 /**
  * Renderbuffer pitch alignment (in bits).
diff --git a/src/mesa/drivers/dri/swrast/swrast_span.c b/src/mesa/drivers/dri/swrast/swrast_span.c
index f8e503463f..5290dc82b9 100644
--- a/src/mesa/drivers/dri/swrast/swrast_span.c
+++ b/src/mesa/drivers/dri/swrast/swrast_span.c
@@ -193,23 +193,6 @@ static const GLubyte kernel[16] = {
 #include "swrast/s_spantemp.h"
 
 
-/* 8-bit color index */
-#define NAME(FUNC) FUNC##_CI8
-#define CI_MODE
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
-   struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
-#define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch + (X);
-#define INC_PIXEL_PTR(P) P += 1
-#define STORE_PIXEL(DST, X, Y, VALUE) \
-   *DST = VALUE[0]
-#define FETCH_PIXEL(DST, SRC) \
-   DST = SRC[0]
-
-#include "swrast/s_spantemp.h"
-
-
 /*
  * Generate code for front-buffer span functions.
  */
@@ -282,23 +265,6 @@ static const GLubyte kernel[16] = {
 #include "swrast_spantemp.h"
 
 
-/* 8-bit color index */
-#define NAME(FUNC) FUNC##_CI8_front
-#define CI_MODE
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
-   struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
-#define INIT_PIXEL_PTR(P, X, Y) \
-   GLubyte *P = (GLubyte *)row;
-#define INC_PIXEL_PTR(P) P += 1
-#define STORE_PIXEL(DST, X, Y, VALUE) \
-   *DST = VALUE[0]
-#define FETCH_PIXEL(DST, SRC) \
-   DST = SRC[0]
-
-#include "swrast_spantemp.h"
-
-
 /*
  * Back-buffers are malloced memory and always private.
  *
@@ -346,14 +312,6 @@ swrast_set_span_funcs_back(struct swrast_renderbuffer *xrb,
 	xrb->Base.PutValues = put_values_R3G3B2;
 	xrb->Base.PutMonoValues = put_mono_values_R3G3B2;
 	break;
-    case PF_CI8:
-	xrb->Base.GetRow = get_row_CI8;
-	xrb->Base.GetValues = get_values_CI8;
-	xrb->Base.PutRow = put_row_CI8;
-	xrb->Base.PutMonoRow = put_mono_row_CI8;
-	xrb->Base.PutValues = put_values_CI8;
-	xrb->Base.PutMonoValues = put_mono_values_CI8;
-	break;
     default:
 	assert(0);
 	return;
@@ -410,14 +368,6 @@ swrast_set_span_funcs_front(struct swrast_renderbuffer *xrb,
 	xrb->Base.PutValues = put_values_R3G3B2_front;
 	xrb->Base.PutMonoValues = put_mono_values_R3G3B2_front;
 	break;
-    case PF_CI8:
-	xrb->Base.GetRow = get_row_CI8_front;
-	xrb->Base.GetValues = get_values_CI8_front;
-	xrb->Base.PutRow = put_row_CI8_front;
-	xrb->Base.PutMonoRow = put_mono_row_CI8_front;
-	xrb->Base.PutValues = put_values_CI8_front;
-	xrb->Base.PutMonoValues = put_mono_values_CI8_front;
-	break;
     default:
 	assert(0);
 	return;
diff --git a/src/mesa/drivers/dri/swrast/swrast_spantemp.h b/src/mesa/drivers/dri/swrast/swrast_spantemp.h
index e0cb241429..879a0c12e7 100644
--- a/src/mesa/drivers/dri/swrast/swrast_spantemp.h
+++ b/src/mesa/drivers/dri/swrast/swrast_spantemp.h
@@ -98,7 +98,6 @@ GET_ROW( GLcontext *glCtx, GLint x, GLint y, GLuint n, char *row )
  * Define the following macros before including this file:
  *   NAME(BASE)  to generate the function name (i.e. add prefix or suffix)
  *   RB_TYPE  the renderbuffer DataType
- *   CI_MODE  if set, color index mode, else RGBA
  *   SPAN_VARS  to declare any local variables
  *   INIT_PIXEL_PTR(P, X, Y)  to initialize a pointer to a pixel
  *   INC_PIXEL_PTR(P)  to increment a pixel pointer by one pixel
@@ -113,9 +112,7 @@ GET_ROW( GLcontext *glCtx, GLint x, GLint y, GLuint n, char *row )
 #include "main/macros.h"
 
 
-#ifdef CI_MODE
-#define RB_COMPONENTS 1
-#elif !defined(RB_COMPONENTS)
+#if !defined(RB_COMPONENTS)
 #define RB_COMPONENTS 4
 #endif
 
@@ -127,11 +124,7 @@ NAME(get_row)( GLcontext *ctx, struct gl_renderbuffer *rb,
 #ifdef SPAN_VARS
    SPAN_VARS
 #endif
-#ifdef CI_MODE
-   RB_TYPE *dest = (RB_TYPE *) values;
-#else
    RB_TYPE (*dest)[RB_COMPONENTS] = (RB_TYPE (*)[RB_COMPONENTS]) values;
-#endif
    GLuint i;
    char *row = swrast_drawable(ctx->ReadBuffer)->row;
    INIT_PIXEL_PTR(pixel, x, y);
@@ -151,11 +144,7 @@ NAME(get_values)( GLcontext *ctx, struct gl_renderbuffer *rb,
 #ifdef SPAN_VARS
    SPAN_VARS
 #endif
-#ifdef CI_MODE
-   RB_TYPE *dest = (RB_TYPE *) values;
-#else
    RB_TYPE (*dest)[RB_COMPONENTS] = (RB_TYPE (*)[RB_COMPONENTS]) values;
-#endif
    GLuint i;
    for (i = 0; i < count; i++) {
       RB_TYPE pixel[4];
@@ -198,7 +187,6 @@ NAME(put_row)( GLcontext *ctx, struct gl_renderbuffer *rb,
 }
 
 
-#if !defined(CI_MODE)
 static void
 NAME(put_row_rgb)( GLcontext *ctx, struct gl_renderbuffer *rb,
                    GLuint count, GLint x, GLint y,
@@ -237,7 +225,6 @@ NAME(put_row_rgb)( GLcontext *ctx, struct gl_renderbuffer *rb,
    }
    (void) rb;
 }
-#endif
 
 
 static void
@@ -319,7 +306,6 @@ NAME(put_mono_values)( GLcontext *ctx, struct gl_renderbuffer *rb,
 #undef NAME
 #undef RB_TYPE
 #undef RB_COMPONENTS
-#undef CI_MODE
 #undef SPAN_VARS
 #undef INIT_PIXEL_PTR
 #undef INC_PIXEL_PTR