add SPARC ffb DRI driver

1 files changed, 239 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/ffb/ffb_tritmp.h b/src/mesa/drivers/dri/ffb/ffb_tritmp.h
new file mode 100644
index 0000000000..612ef2433f
--- /dev/null
+++ b/src/mesa/drivers/dri/ffb/ffb_tritmp.h
@@ -0,0 +1,239 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_tritmp.h,v 1.2 2002/02/22 21:32:59 dawes Exp $ */
+
+static void TAG(ffb_triangle)( GLcontext *ctx, 	
+			       ffb_vertex *v0,
+			       ffb_vertex *v1,
+			       ffb_vertex *v2 )
+{
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);
+	ffb_fbcPtr ffb = fmesa->regs;
+#if (IND & FFB_TRI_FLAT_BIT)
+	GLuint const_fg;
+#endif
+	FFB_DELAYED_VIEWPORT_VARS;
+
+#ifdef TRI_DEBUG
+	fprintf(stderr, "FFB: ffb_triangle ["
+#if (IND & FFB_TRI_CULL_BIT)
+		" CULL"
+#endif
+#if (IND & FFB_TRI_FLAT_BIT)
+		" FLAT"
+#endif
+#if (IND & FFB_TRI_ALPHA_BIT)
+		" ALPHA"
+#endif
+		" ]\n");
+#endif
+
+#if (IND & FFB_TRI_CULL_BIT)
+	{	/* NOTE: These are not viewport transformed yet. */
+		GLfloat ex = v1->x - v0->x;
+		GLfloat ey = v1->y - v0->y;
+		GLfloat fx = v2->x - v0->x;
+		GLfloat fy = v2->y - v0->y;
+		GLfloat c = ex*fy-ey*fx;
+
+		/* Culled... */
+		if (c * fmesa->backface_sign > fmesa->ffb_zero)
+			return;
+	}
+#endif
+
+#if (IND & FFB_TRI_FLAT_BIT)
+	const_fg = FFB_PACK_CONST_UBYTE_ARGB_COLOR( v2->color[0] );
+#ifdef TRI_DEBUG
+	fprintf(stderr, "FFB_tri: const_fg %08x (B[%f] G[%f] R[%f])\n",
+		const_fg,
+		FFB_2_30_FIXED_TO_FLOAT(v2->color[0].blue),
+		FFB_2_30_FIXED_TO_FLOAT(v2->color[0].green),
+		FFB_2_30_FIXED_TO_FLOAT(v2->color[0].red));
+#endif
+#endif
+
+
+#if (IND & FFB_TRI_FLAT_BIT)
+	FFBFifo(fmesa, 1);
+	ffb->fg = const_fg;
+#endif
+
+#if (IND & FFB_TRI_FLAT_BIT)
+	FFBFifo(fmesa, 9);
+#else
+#if (IND & FFB_TRI_ALPHA_BIT)
+	FFBFifo(fmesa, 21);
+#else
+	FFBFifo(fmesa, 18);
+#endif
+#endif
+
+	FFB_DUMP_VERTEX(v0);
+#if !(IND & FFB_TRI_FLAT_BIT)
+#if (IND & FFB_TRI_ALPHA_BIT)
+	ffb->alpha = FFB_GET_ALPHA(v0);
+#endif
+	ffb->red   = FFB_GET_RED(v0);
+	ffb->green = FFB_GET_GREEN(v0);
+	ffb->blue  = FFB_GET_BLUE(v0);
+#endif
+	ffb->z     = FFB_GET_Z(v0);
+	ffb->ryf   = FFB_GET_Y(v0);
+	ffb->rxf   = FFB_GET_X(v0);
+
+	FFB_DUMP_VERTEX(v1);
+#if !(IND & FFB_TRI_FLAT_BIT)
+#if (IND & FFB_TRI_ALPHA_BIT)
+	ffb->alpha = FFB_GET_ALPHA(v1);
+#endif
+	ffb->red   = FFB_GET_RED(v1);
+	ffb->green = FFB_GET_GREEN(v1);
+	ffb->blue  = FFB_GET_BLUE(v1);
+#endif
+	ffb->z     = FFB_GET_Z(v1);
+	ffb->y     = FFB_GET_Y(v1);
+	ffb->x     = FFB_GET_X(v1);
+
+	FFB_DUMP_VERTEX(v2);
+#if !(IND & FFB_TRI_FLAT_BIT)
+#if (IND & FFB_TRI_ALPHA_BIT)
+	ffb->alpha = FFB_GET_ALPHA(v2);
+#endif
+	ffb->red   = FFB_GET_RED(v2);
+	ffb->green = FFB_GET_GREEN(v2);
+	ffb->blue  = FFB_GET_BLUE(v2);
+#endif
+	ffb->z     = FFB_GET_Z(v2);
+	ffb->y     = FFB_GET_Y(v2);
+	ffb->x     = FFB_GET_X(v2);
+
+	fmesa->ffbScreen->rp_active = 1;
+}
+
+
+static void TAG(ffb_quad)(GLcontext *ctx, 			      
+			  ffb_vertex *v0,
+			  ffb_vertex *v1,
+			  ffb_vertex *v2,
+			  ffb_vertex *v3 )
+{
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);
+	ffb_fbcPtr ffb = fmesa->regs;
+#if (IND & FFB_TRI_FLAT_BIT)
+	GLuint const_fg;
+#endif
+	FFB_DELAYED_VIEWPORT_VARS;
+
+#ifdef TRI_DEBUG
+	fprintf(stderr, "FFB: ffb_quad ["
+#if (IND & FFB_TRI_CULL_BIT)
+		" CULL"
+#endif
+#if (IND & FFB_TRI_FLAT_BIT)
+		" FLAT"
+#endif
+#if (IND & FFB_TRI_ALPHA_BIT)
+		" ALPHA"
+#endif
+		" ]\n");
+#endif /* TRI_DEBUG */
+
+#if (IND & FFB_TRI_CULL_BIT)
+	{	/* NOTE: These are not viewport transformed yet. */
+		GLfloat ex = v2->x - v0->x;
+		GLfloat ey = v2->y - v0->y;
+		GLfloat fx = v3->x - v1->x;
+		GLfloat fy = v3->y - v1->y;
+		GLfloat c = ex*fy-ey*fx;
+
+		/* Culled... */
+		if (c * fmesa->backface_sign > fmesa->ffb_zero)
+			return;
+	}
+#endif
+
+#if (IND & FFB_TRI_FLAT_BIT)
+	const_fg = FFB_PACK_CONST_UBYTE_ARGB_COLOR( v3->color[0] );
+#ifdef TRI_DEBUG
+	fprintf(stderr, "FFB_quad: const_fg %08x (B[%f] G[%f] R[%f])\n",
+		const_fg,
+		FFB_2_30_FIXED_TO_FLOAT(v3->color[0].blue),
+		FFB_2_30_FIXED_TO_FLOAT(v3->color[0].green),
+		FFB_2_30_FIXED_TO_FLOAT(v3->color[0].red));
+#endif
+#endif
+
+
+#if (IND & FFB_TRI_FLAT_BIT)
+	FFBFifo(fmesa, 13);
+	ffb->fg = const_fg;
+#else
+#if (IND & FFB_TRI_ALPHA_BIT)
+	FFBFifo(fmesa, 28);
+#else
+	FFBFifo(fmesa, 24);
+#endif
+#endif
+
+	FFB_DUMP_VERTEX(v0);
+#if !(IND & FFB_TRI_FLAT_BIT)
+#if (IND & FFB_TRI_ALPHA_BIT)
+	ffb->alpha = FFB_GET_ALPHA(v0);
+#endif
+	ffb->red   = FFB_GET_RED(v0);
+	ffb->green = FFB_GET_GREEN(v0);
+	ffb->blue  = FFB_GET_BLUE(v0);
+#endif
+	ffb->z     = FFB_GET_Z(v0);
+	ffb->ryf   = FFB_GET_Y(v0);
+	ffb->rxf   = FFB_GET_X(v0);
+
+	FFB_DUMP_VERTEX(v1);
+#if !(IND & FFB_TRI_FLAT_BIT)
+#if (IND & FFB_TRI_ALPHA_BIT)
+	ffb->alpha = FFB_GET_ALPHA(v1);
+#endif
+	ffb->red   = FFB_GET_RED(v1);
+	ffb->green = FFB_GET_GREEN(v1);
+	ffb->blue  = FFB_GET_BLUE(v1);
+#endif
+	ffb->z     = FFB_GET_Z(v1);
+	ffb->y     = FFB_GET_Y(v1);
+	ffb->x     = FFB_GET_X(v1);
+
+	FFB_DUMP_VERTEX(v2);
+#if !(IND & FFB_TRI_FLAT_BIT)
+#if (IND & FFB_TRI_ALPHA_BIT)
+	ffb->alpha = FFB_GET_ALPHA(v2);
+#endif
+	ffb->red   = FFB_GET_RED(v2);
+	ffb->green = FFB_GET_GREEN(v2);
+	ffb->blue  = FFB_GET_BLUE(v2);
+#endif
+	ffb->z     = FFB_GET_Z(v2);
+	ffb->y     = FFB_GET_Y(v2);
+	ffb->x     = FFB_GET_X(v2);
+
+	FFB_DUMP_VERTEX(v3);
+#if !(IND & FFB_TRI_FLAT_BIT)
+#if (IND & FFB_TRI_ALPHA_BIT)
+	ffb->alpha = FFB_GET_ALPHA(v3);
+#endif
+	ffb->red   = FFB_GET_RED(v3);
+	ffb->green = FFB_GET_GREEN(v3);
+	ffb->blue  = FFB_GET_BLUE(v3);
+#endif
+	ffb->z     = FFB_GET_Z(v3);
+	ffb->dmyf  = FFB_GET_Y(v3);
+	ffb->dmxf  = FFB_GET_X(v3);
+
+	fmesa->ffbScreen->rp_active = 1;
+}
+
+static void TAG(ffb_init)(void)
+{
+	ffb_tri_tab[IND]	= TAG(ffb_triangle);
+	ffb_quad_tab[IND]	= TAG(ffb_quad);
+}
+
+#undef IND
+#undef TAG