- initial import

git-svn-id: http://moon:8086/svn/mips@1 a8ebac50-d88d-4704-bea3-6648445a41b3
2014-07-20 15:01:37 +00:00
commit 26291bca3d
1549 changed files with 3997969 additions and 0 deletions
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+/*************************************************************************/
+/* Types.h
+/*************************************************************************/
+#ifndef GRAPH_STATE_H
+#define GRAPH_STATE_H
+
+#include "types.h"
+#include "stack.h"
+
+#define PI								3.1415926535897932384626433832795
+#define	NUM_COORD_SYSTEMS				6
+
+typedef struct _sdisplay_t
+{
+	char *name;
+	RtToken type;
+	RtToken mode;
+
+} display_t;
+
+typedef struct _sprojection_t
+{
+	RtToken type;
+	RtFloat fov;
+	UINT32 flags;
+
+} projection_t;
+
+typedef struct _sformat_t
+{
+	RtInt xres;
+	RtInt yres;
+	RtFloat ar_f;
+	RtFloat ar_p;
+
+} format_t;
+
+typedef struct _sopt_t
+{
+	display_t display;
+	projection_t projection;
+	format_t format;
+	RtFloat crop[4];
+	RtFloat screen[4];
+	RtFloat clipping[2];
+
+} opt_t;
+
+typedef struct _sattr_t
+{
+	RtColor cs;
+	RtFloat shadingrate;
+	RtPointer ubasis, vbasis;
+	RtInt ustep, vstep;
+	RtInt nsides;
+
+} attr_t;
+
+typedef struct _sxform_t
+{
+	RtMatrix space[NUM_COORD_SYSTEMS];
+
+} xform_t;
+
+typedef struct _sgraph_state_t
+{
+	UINT32 frame;
+	UINT32 context;
+	UINT32 curr_xform;
+	opt_t *pOpt;
+	attr_t *pAttr;
+	xform_t *pXform;
+	stack_t *pOpt_stack;
+	stack_t *pAttr_stack;
+	stack_t *pXform_stack;
+	RtMatrix *pXform_curr;
+
+} graph_state_t;
+
+enum eSpaces
+{
+	object_space = 0, world_space, camera_space, screen_space, raster_space, ndc_space
+};
+
+void GS_init(graph_state_t *pObj);
+void GS_free(graph_state_t *pObj);
+void GS_opt_push(graph_state_t *pObj);
+void GS_opt_pop(graph_state_t *pObj);
+void GS_attr_push(graph_state_t *pObj);
+void GS_attr_pop(graph_state_t *pObj);
+void GS_xform_push(graph_state_t *pObj);
+void GS_xform_pop(graph_state_t *pObj);
+void GS_xform_set(graph_state_t *pObj, UINT32 id);
+
+#endif // GRAPH_STATE_H
+