+static void fx_render_vb_line_strip( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ GLint i;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_line_strip\n");
+ }
+
+ INIT(GL_LINE_STRIP);
+
+ /* adjust line coords */
+ for (i = start; i < count; i++) {
+ fxVB[i].x += LINE_X_OFFSET - TRI_X_OFFSET;
+ fxVB[i].y += LINE_Y_OFFSET - TRI_Y_OFFSET;
+ }
+
+ grDrawVertexArrayContiguous( GR_LINE_STRIP, count-start,
+ fxVB + start, sizeof(GrVertex));
+
+ /* restore line coords */
+ for (i = start; i < count; i++) {
+ fxVB[i].x -= LINE_X_OFFSET - TRI_X_OFFSET;
+ fxVB[i].y -= LINE_Y_OFFSET - TRI_Y_OFFSET;
+ }
+}
+
+static void fx_render_vb_line_loop( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ GLint i;
+ GLint j = start;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_line_loop\n");
+ }
+
+ INIT(GL_LINE_LOOP);
+
+ if (!(flags & PRIM_BEGIN)) {
+ j++;
+ }
+
+ /* adjust line coords */
+ for (i = start; i < count; i++) {
+ fxVB[i].x += LINE_X_OFFSET - TRI_X_OFFSET;
+ fxVB[i].y += LINE_Y_OFFSET - TRI_Y_OFFSET;
+ }
+
+ grDrawVertexArrayContiguous( GR_LINE_STRIP, count-j,
+ fxVB + j, sizeof(GrVertex));
+
+ if (flags & PRIM_END)
+ grDrawLine( fxVB + (count - 1),
+ fxVB + start );
+
+ /* restore line coords */
+ for (i = start; i < count; i++) {
+ fxVB[i].x -= LINE_X_OFFSET - TRI_X_OFFSET;
+ fxVB[i].y -= LINE_Y_OFFSET - TRI_Y_OFFSET;
+ }
+}
+
+static void fx_render_vb_lines( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ GLint i;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_lines\n");
+ }
+
+ INIT(GL_LINES);
+
+ /* adjust line coords */
+ for (i = start; i < count; i++) {
+ fxVB[i].x += LINE_X_OFFSET - TRI_X_OFFSET;
+ fxVB[i].y += LINE_Y_OFFSET - TRI_Y_OFFSET;
+ }
+
+ grDrawVertexArrayContiguous( GR_LINES, count-start,
+ fxVB + start, sizeof(GrVertex));
+
+ /* restore line coords */
+ for (i = start; i < count; i++) {
+ fxVB[i].x -= LINE_X_OFFSET - TRI_X_OFFSET;
+ fxVB[i].y -= LINE_Y_OFFSET - TRI_Y_OFFSET;
+ }
+}
+
+static void fx_render_vb_triangles( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ GLuint j;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_triangles\n");
+ }
+
+ INIT(GL_TRIANGLES);
+
+ for (j=start+2; j<count; j+=3) {
+ grDrawTriangle(fxVB + (j-2), fxVB + (j-1), fxVB + j);
+ }
+}
+
+
+static void fx_render_vb_tri_strip( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_tri_strip\n");
+ }
+
+ INIT(GL_TRIANGLE_STRIP);
+
+ /* no GR_TRIANGLE_STRIP_CONTINUE?!? */
+
+ grDrawVertexArrayContiguous( GR_TRIANGLE_STRIP, count-start,
+ fxVB + start, sizeof(GrVertex));
+}
+
+
+static void fx_render_vb_tri_fan( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_tri_fan\n");
+ }
+
+ INIT(GL_TRIANGLE_FAN);
+
+ grDrawVertexArrayContiguous( GR_TRIANGLE_FAN, count-start,
+ fxVB + start, sizeof(GrVertex) );
+}
+
+static void fx_render_vb_quads( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ GLuint i;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_quads\n");
+ }
+
+ INIT(GL_QUADS);
+
+ for (i = start + 3 ; i < count ; i += 4 ) {
+#define VERT(x) (fxVB + (x))
+ GrVertex *_v_[4];
+ _v_[0] = VERT(i);
+ _v_[1] = VERT(i-3);
+ _v_[2] = VERT(i-2);
+ _v_[3] = VERT(i-1);
+ grDrawVertexArray(GR_TRIANGLE_FAN, 4, _v_);
+ /*grDrawTriangle( VERT(i-3), VERT(i-2), VERT(i) );*/
+ /*grDrawTriangle( VERT(i-2), VERT(i-1), VERT(i) );*/
+#undef VERT
+ }
+}
+
+static void fx_render_vb_quad_strip( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_quad_strip\n");
+ }
+
+ INIT(GL_QUAD_STRIP);
+
+ count -= (count-start)&1;
+
+ grDrawVertexArrayContiguous( GR_TRIANGLE_STRIP,
+ count-start, fxVB + start, sizeof(GrVertex));
+}
+
+static void fx_render_vb_poly( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GrVertex *fxVB = fxMesa->verts;
+ (void) flags;
+
+ if (TDFX_DEBUG & VERBOSE_VARRAY) {
+ fprintf(stderr, "fx_render_vb_poly\n");
+ }
+
+ INIT(GL_POLYGON);
+
+ grDrawVertexArrayContiguous( GR_POLYGON, count-start,
+ fxVB + start, sizeof(GrVertex));
+}
+
+static void fx_render_vb_noop( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ (void) (ctx && start && count && flags);
+}
+
+static void (*fx_render_tab_verts[GL_POLYGON+2])(GLcontext *,
+ GLuint,
+ GLuint,
+ GLuint) =
+{
+ fx_render_vb_points,
+ fx_render_vb_lines,
+ fx_render_vb_line_loop,
+ fx_render_vb_line_strip,
+ fx_render_vb_triangles,
+ fx_render_vb_tri_strip,
+ fx_render_vb_tri_fan,
+ fx_render_vb_quads,
+ fx_render_vb_quad_strip,
+ fx_render_vb_poly,
+ fx_render_vb_noop,
+};
+#undef INIT