1 files changed, 427 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/ffb/ffb_vtxfmt.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/ffb/ffb_vtxfmt.c
new file mode 100644
index 000000000..d6a61d98e
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/ffb/ffb_vtxfmt.c
@@ -0,0 +1,427 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_vtxfmt.c,v 1.1 2002/02/22 21:32:59 dawes Exp $
+ *
+ * GLX Hardware Device Driver for Sun Creator/Creator3D
+ * Copyright (C) 2001 David S. Miller
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of 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
+ * DAVID MILLER, OR ANY OTHER CONTRIBUTORS 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.
+ *
+ *
+ *    David S. Miller <davem@redhat.com>
+ */
+
+#include "glheader.h"
+#include "api_noop.h"
+#include "context.h"
+#include "light.h"
+#include "macros.h"
+#include "imports.h"
+#include "mtypes.h"
+#include "simple_list.h"
+#include "vtxfmt.h"
+#include "ffb_xmesa.h"
+#include "ffb_context.h"
+#include "ffb_vb.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+
+#include "ffb_vtxfmt.h"
+
+#ifndef __GNUC__
+#define __inline  /**/
+#endif
+
+#define TNL_VERTEX			ffbTnlVertex
+
+#define INTERP_RGBA(t, out, a, b)		\
+do {						\
+   GLint i;					\
+   for ( i = 0 ; i < 4 ; i++ ) {		\
+      GLfloat fa = a[i];			\
+      GLfloat fb = b[i];			\
+      out[i] = LINTERP( t, fa, fb );		\
+   }						\
+} while (0)
+
+/* Color functions: */
+
+static __inline void ffb_recalc_base_color(GLcontext *ctx)
+{
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);
+	struct gl_light *light;
+
+	COPY_3V(fmesa->vtx_state.light.base_color, ctx->Light._BaseColor[0]);
+	foreach (light, &ctx->Light.EnabledList) {
+		ACC_3V(fmesa->vtx_state.light.base_color,
+		       light->_MatAmbient[0]);
+	}
+
+	fmesa->vtx_state.light.base_alpha = ctx->Light._BaseAlpha[0];
+}
+
+#define GET_CURRENT \
+	GET_CURRENT_CONTEXT(ctx);	\
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx)
+
+#define CURRENT_COLOR(COMP)		fmesa->vtx_state.current.color[COMP]
+#define CURRENT_SPECULAR(COMP)		fmesa->vtx_state.current.specular[COMP]
+#define COLOR_IS_FLOAT
+#define RECALC_BASE_COLOR(ctx)		ffb_recalc_base_color(ctx)
+
+#define TAG(x)	ffb_##x
+#include "tnl_dd/t_dd_imm_capi.h"
+
+/* Normal functions: */
+
+struct ffb_norm_tab {
+	void (*normal3f_multi)(GLfloat x, GLfloat y, GLfloat z);
+	void (*normal3fv_multi)(const GLfloat *v);
+	void (*normal3f_single)(GLfloat x, GLfloat y, GLfloat z);
+	void (*normal3fv_single)(const GLfloat *v);
+};
+
+static struct ffb_norm_tab norm_tab[0x4];
+
+#define HAVE_HW_LIGHTING 0
+#define GET_CURRENT_VERTEX			\
+	GET_CURRENT_CONTEXT(ctx);		\
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);	\
+	ffbTnlVertexPtr v = fmesa->imm.v0
+
+#define CURRENT_NORMAL		fmesa->vtx_state.current.normal
+#define BASE_COLOR		fmesa->vtx_state.light.base_color
+#define BASE_ALPHA		fmesa->vtx_state.light.base_alpha
+#define VERT_COLOR( COMP )	v->color[COMP]
+#define VERT_COLOR_IS_FLOAT
+
+#define IND (0)
+#define TAG(x)	ffb_##x
+#define PRESERVE_NORMAL_DEFS
+#include "tnl_dd/t_dd_imm_napi.h"
+
+#define IND (NORM_RESCALE)
+#define TAG(x) ffb_##x##_rescale
+#define PRESERVE_NORMAL_DEFS
+#include "tnl_dd/t_dd_imm_napi.h"
+
+#define IND (NORM_NORMALIZE)
+#define TAG(x) ffb_##x##_normalize
+#include "tnl_dd/t_dd_imm_napi.h"
+
+static void ffb_init_norm_funcs(void)
+{
+	ffb_init_norm();
+	ffb_init_norm_rescale();
+	ffb_init_norm_normalize();
+}
+
+static void choose_normals(void)
+{
+	GET_CURRENT_CONTEXT(ctx);
+	GLuint index;
+
+	if (ctx->Light.Enabled) {
+		if (ctx->Transform.Normalize) {
+			index = NORM_NORMALIZE;
+		} else if (!ctx->Transform.RescaleNormals &&
+			   ctx->_ModelViewInvScale != 1.0) {
+			index = NORM_RESCALE;
+		} else {
+			index = 0;
+		}
+
+		if (ctx->Light.EnabledList.next == ctx->Light.EnabledList.prev) {
+			SET_Normal3f(ctx->Exec, norm_tab[index].normal3f_single);
+			SET_Normal3fv(ctx->Exec, norm_tab[index].normal3fv_single);
+		} else {
+			SET_Normal3f(ctx->Exec, norm_tab[index].normal3f_multi);
+			SET_Normal3fv(ctx->Exec, norm_tab[index].normal3fv_multi);
+		}
+	} else {
+		SET_Normal3f(ctx->Exec, _mesa_noop_Normal3f);
+		SET_Normal3fv(ctx->Exec, _mesa_noop_Normal3fv);
+	}
+}
+
+static void ffb_choose_Normal3f(GLfloat x, GLfloat y, GLfloat z)
+{
+	choose_normals();
+	CALL_Normal3f(GET_DISPATCH(), (x, y, z));
+}
+
+static void ffb_choose_Normal3fv(const GLfloat *v)
+{
+	choose_normals();
+	CALL_Normal3fv(GET_DISPATCH(), (v));
+}
+
+/* Vertex functions: */
+
+#define GET_CURRENT_VERTEX			\
+	GET_CURRENT_CONTEXT(ctx);		\
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);	\
+	ffbTnlVertexPtr v = fmesa->imm.v0
+
+#define CURRENT_VERTEX		v->obj
+#define SAVE_VERTEX		fmesa->imm.save_vertex(ctx, v)
+
+#define TAG(x)	ffb_##x
+#include "tnl_dd/t_dd_imm_vapi.h"
+
+struct ffb_vert_tab {
+	void (*save_vertex)(GLcontext *ctx, ffbTnlVertexPtr v);
+	void (*interpolate_vertex)(GLfloat t,
+				   ffbTnlVertex *O,
+				   const ffbTnlVertex *I,
+				   const ffbTnlVertex *J);
+};
+
+static struct ffb_vert_tab vert_tab[0xf];
+
+#define VTX_NORMAL	0x0
+#define VTX_RGBA	0x1
+
+#define LOCAL_VARS \
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx)
+
+#define CURRENT_COLOR			fmesa->vtx_state.current.color
+#define COLOR_IS_FLOAT
+#define FLUSH_VERTEX			fmesa->imm.flush_vertex( ctx, v );
+
+#define IND	(VTX_NORMAL)
+#define TAG(x)	ffb_##x##_NORMAL
+#define PRESERVE_VERTEX_DEFS
+#include "tnl_dd/t_dd_imm_vertex.h"
+
+#define IND	(VTX_RGBA)
+#define TAG(x)	ffb_##x##_RGBA
+#include "tnl_dd/t_dd_imm_vertex.h"
+
+static void ffb_init_vert_funcs( void )
+{
+	ffb_init_vert_NORMAL();
+	ffb_init_vert_RGBA();
+}
+
+#define LOCAL_VARS							\
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx)
+
+#define GET_INTERP_FUNC							\
+	ffb_interp_func interp = fmesa->imm.interp
+
+#define FLUSH_VERTEX			fmesa->imm.flush_vertex
+#define IMM_VERTEX( V )			fmesa->imm.V
+#define IMM_VERTICES( n )		fmesa->imm.vertices[n]
+
+#define EMIT_VERTEX_USES_HWREGS
+
+/* XXX Implement me XXX */
+#define EMIT_VERTEX_TRI(VTX0, VTX1, VTX2)	\
+	do { } while (0)
+#define EMIT_VERTEX_LINE(VTX0, VTX1)		\
+	do { } while (0)
+#define EMIT_VERTEX_POINT(VTX0)			\
+	do { } while (0)
+
+#define TAG(x)	ffb_##x
+#include "tnl_dd/t_dd_imm_primtmp.h"
+
+/* Bzzt: Material changes are lost on fallback. */
+static void ffb_Materialfv(GLenum face, GLenum pname,
+			   const GLfloat *params)
+{
+	GET_CURRENT_CONTEXT(ctx);
+
+	_mesa_noop_Materialfv( face, pname, params );
+	ffb_recalc_base_color( ctx );
+}
+
+/* Fallback functions: */
+
+static void ffb_do_fallback(GLcontext *ctx)
+{
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);
+	struct ffb_current_state *current = &fmesa->vtx_state.current;
+
+	/* Tell tnl to restore its exec vtxfmt, rehook its driver callbacks
+	 * and revive internal state that depended on those callbacks:
+	 */
+	_tnl_wakeup_exec(ctx);
+
+	/* Replay enough vertices that the current primitive is continued
+	 * correctly:
+	 */
+	if (fmesa->imm.prim != PRIM_OUTSIDE_BEGIN_END )
+		CALL_Begin(GET_DISPATCH(), (fmesa->imm.prim));
+
+	if (ctx->Light.Enabled) {
+		/* Catch ColorMaterial */
+		CALL_Color4fv(GET_DISPATCH(), (ctx->Current.Color));
+		CALL_Normal3fv(GET_DISPATCH(), (current->normal));
+	} else {
+		CALL_Color4fv(GET_DISPATCH(), (current->color));
+	}
+}
+
+#define PRE_LOOPBACK( FUNC ) do {	\
+   GET_CURRENT_CONTEXT(ctx);		\
+   ffb_do_fallback( ctx );		\
+} while (0)
+
+#define TAG(x) ffb_fallback_##x
+#include "vtxfmt_tmp.h"
+
+static void ffb_Begin(GLenum prim)
+{
+	GET_CURRENT_CONTEXT(ctx);
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);
+
+	if (prim > GL_POLYGON) {
+		_mesa_error( ctx, GL_INVALID_ENUM, "glBegin" );
+		return;
+	}
+
+	if (fmesa->imm.prim != PRIM_OUTSIDE_BEGIN_END) {
+		_mesa_error( ctx, GL_INVALID_OPERATION, "glBegin" );
+		return;
+	}
+
+	ctx->Driver.NeedFlush |= (FLUSH_STORED_VERTICES |
+				  FLUSH_UPDATE_CURRENT);
+
+	fmesa->imm.prim = prim;
+	fmesa->imm.v0 = &fmesa->imm.vertices[0];
+	fmesa->imm.save_vertex = ffb_save_vertex_RGBA;
+	fmesa->imm.flush_vertex = ffb_flush_tab[prim];
+
+	/* XXX Lock hardware, update FBC, PPC, DRAWOP, etc. XXX */
+}
+
+static void ffb_End(void)
+{
+	GET_CURRENT_CONTEXT(ctx);
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);
+
+	if (fmesa->imm.prim == PRIM_OUTSIDE_BEGIN_END) {
+		_mesa_error( ctx, GL_INVALID_OPERATION, "glEnd" );
+		return;
+	}
+
+	fmesa->imm.prim = PRIM_OUTSIDE_BEGIN_END;
+
+	ctx->Driver.NeedFlush &= ~(FLUSH_STORED_VERTICES |
+				   FLUSH_UPDATE_CURRENT);
+
+	/* XXX Unlock hardware, etc. */
+}
+
+void ffbInitTnlModule(GLcontext *ctx)
+{
+	ffbContextPtr fmesa = FFB_CONTEXT(ctx);
+	GLvertexformat *vfmt = &(fmesa->imm.vtxfmt);
+
+	/* Work in progress... */
+	return;
+
+	ffb_init_norm_funcs();
+	ffb_init_vert_funcs();
+
+	MEMSET(vfmt, 0, sizeof(GLvertexformat));
+
+	/* Handled fully in supported states: */
+	vfmt->ArrayElement		= NULL;		/* FIXME: ... */
+	vfmt->Color3f			= ffb_choose_Color3f;
+	vfmt->Color3fv			= ffb_choose_Color3fv;
+	vfmt->Color3ub			= ffb_choose_Color3ub;
+	vfmt->Color3ubv			= ffb_choose_Color3ubv;
+	vfmt->Color4f			= ffb_choose_Color4f;
+	vfmt->Color4fv			= ffb_choose_Color4fv;
+	vfmt->Color4ub			= ffb_choose_Color4ub;
+	vfmt->Color4ubv			= ffb_choose_Color4ubv;
+	vfmt->FogCoordfvEXT		= ffb_FogCoordfvEXT;
+	vfmt->FogCoordfEXT		= ffb_FogCoordfEXT;
+	vfmt->Materialfv		= ffb_Materialfv;
+	vfmt->MultiTexCoord1fARB	= ffb_fallback_MultiTexCoord1fARB;
+	vfmt->MultiTexCoord1fvARB	= ffb_fallback_MultiTexCoord1fvARB;
+	vfmt->MultiTexCoord2fARB	= ffb_fallback_MultiTexCoord2fARB;
+	vfmt->MultiTexCoord2fvARB	= ffb_fallback_MultiTexCoord2fvARB;
+	vfmt->MultiTexCoord3fARB	= ffb_fallback_MultiTexCoord3fARB;
+	vfmt->MultiTexCoord3fvARB	= ffb_fallback_MultiTexCoord3fvARB;
+	vfmt->MultiTexCoord4fARB	= ffb_fallback_MultiTexCoord4fARB;
+	vfmt->MultiTexCoord4fvARB	= ffb_fallback_MultiTexCoord4fvARB;
+	vfmt->Normal3f			= ffb_choose_Normal3f;
+	vfmt->Normal3fv			= ffb_choose_Normal3fv;
+	vfmt->SecondaryColor3ubEXT	= ffb_SecondaryColor3ubEXT;
+	vfmt->SecondaryColor3ubvEXT	= ffb_SecondaryColor3ubvEXT;
+	vfmt->SecondaryColor3fEXT	= ffb_SecondaryColor3fEXT;
+	vfmt->SecondaryColor3fvEXT	= ffb_SecondaryColor3fvEXT;
+	vfmt->TexCoord1f		= ffb_fallback_TexCoord1f;
+	vfmt->TexCoord1fv		= ffb_fallback_TexCoord1fv;
+	vfmt->TexCoord2f		= ffb_fallback_TexCoord2f;
+	vfmt->TexCoord2fv		= ffb_fallback_TexCoord2fv;
+	vfmt->TexCoord3f		= ffb_fallback_TexCoord3f;
+	vfmt->TexCoord3fv		= ffb_fallback_TexCoord3fv;
+	vfmt->TexCoord4f		= ffb_fallback_TexCoord4f;
+	vfmt->TexCoord4fv		= ffb_fallback_TexCoord4fv;
+
+	vfmt->Vertex2f			= ffb_Vertex2f;
+	vfmt->Vertex2fv			= ffb_Vertex2fv;
+	vfmt->Vertex3f			= ffb_Vertex3f;
+	vfmt->Vertex3fv			= ffb_Vertex3fv;
+	vfmt->Vertex4f			= ffb_Vertex4f;
+	vfmt->Vertex4fv			= ffb_Vertex4fv;
+
+	vfmt->Begin			= ffb_Begin;
+	vfmt->End			= ffb_End;
+
+	vfmt->Rectf = _mesa_noop_Rectf;			/* generic helper */
+
+	vfmt->DrawArrays = NULL;
+	vfmt->DrawElements = NULL;
+	vfmt->DrawRangeElements = _mesa_noop_DrawRangeElements; /* discard range */
+
+
+	/* Not active in supported states; just keep ctx->Current uptodate: */
+	vfmt->EdgeFlag = _mesa_noop_EdgeFlag;
+	vfmt->EdgeFlagv = _mesa_noop_EdgeFlagv;
+	vfmt->Indexi = _mesa_noop_Indexi;
+	vfmt->Indexiv = _mesa_noop_Indexiv;
+
+	/* Active but unsupported -- fallback if we receive these:
+	 *
+	 * All of these fallbacks can be fixed with additional code, except
+	 * CallList, unless we build a play_immediate_noop() command which
+	 * turns an immediate back into glBegin/glEnd commands...
+	 */
+	vfmt->CallList = ffb_fallback_CallList;
+	vfmt->EvalCoord1f = ffb_fallback_EvalCoord1f;
+	vfmt->EvalCoord1fv = ffb_fallback_EvalCoord1fv;
+	vfmt->EvalCoord2f = ffb_fallback_EvalCoord2f;
+	vfmt->EvalCoord2fv = ffb_fallback_EvalCoord2fv;
+	vfmt->EvalMesh1 = ffb_fallback_EvalMesh1;
+	vfmt->EvalMesh2 = ffb_fallback_EvalMesh2;
+	vfmt->EvalPoint1 = ffb_fallback_EvalPoint1;
+	vfmt->EvalPoint2 = ffb_fallback_EvalPoint2;
+
+	vfmt->prefer_float_colors = GL_TRUE;
+
+	fmesa->imm.prim = PRIM_OUTSIDE_BEGIN_END;
+
+	/* THIS IS A HACK! */
+	_mesa_install_exec_vtxfmt( ctx, vfmt );
+}