GR_Defines.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        GR_Defines.h
 *
 * COMMENTS:    Drawing definitions for the render library.
 *
 */


#ifndef __GR_Defines_h__
#define __GR_Defines_h__

#include <UT/UT_VectorTypes.h>

#define GR_DRAW_WIREFRAME       0x01
#define GR_DRAW_SHADED          0x02

enum GR_RenderVersion
{
    GR_RENDER_UNDEF = 0,
    GR_RENDER_GL3   = 3,
    GR_RENDER_GL4   = 4
};

// public shading modes the user can see
enum GR_ShadingMode
{
    GR_BOUNDING_BOX_WIRE,
    GR_BOUNDING_BOX_SHADED,
    GR_WIRE,
    GR_WIRE_GHOST,
    GR_HIDDEN_LINE_INVISIBLE,
    GR_HIDDEN_LINE_GHOST,
    GR_FLAT_SHADED,
    GR_FLAT_WIRE_SHADED,
    GR_SMOOTH_SHADED,
    GR_SMOOTH_WIRE_SHADED,
};

// private shading modes the renderer uses
enum GR_RenderMode
{
    // Beauty modes
    GR_RENDER_BEAUTY,           // Shaded, lit
    GR_RENDER_MATERIAL,         // Shaded, material components for HQ Lighting
    GR_RENDER_CONSTANT,         // Solid, constant color/alpha

    // Wireframe modes
    GR_RENDER_WIREFRAME,        // Line outline
    GR_RENDER_HIDDEN_LINE,      // Line outline, hidden lines removed
    GR_RENDER_XRAY_LINE,        // Line outline, hidden lines dimmed
    GR_RENDER_GHOST_LINE,       // Line outline, BG color fill w/ghost color
    GR_RENDER_MATERIAL_WIREFRAME, // Line outline pass following material pass

    // Utility modes
    GR_RENDER_DEPTH,            // Solid, depth only
    GR_RENDER_DEPTH_CUBE,       // Depth only, 6 faces of a cubemap
    GR_RENDER_DEPTH_LINEAR,     // Solid, depth only, non-projected depth
    GR_RENDER_MATTE,            // Solid, constant color/alpha, depth-check
    GR_RENDER_XRAY,             // XRay Render geometry
    GR_RENDER_OBJECT_PICK,      // Object selection
    GR_RENDER_SHADER_AS_IS,     // Render the geometry without setting a shader
    GR_RENDER_SNAP,             // Render geometry attribs {N.x, N.y, Z}

    // Bounding box modes
    GR_RENDER_BBOX,             // Bounding boxes only

    GR_RENDER_POST_PASS,        // A post-pass was requested by a primitive

    GR_RENDER_NUM_BEAUTY_MODES  = GR_RENDER_CONSTANT + 1,
    GR_RENDER_NUM_UTILITY_MODES = GR_RENDER_XRAY - GR_RENDER_DEPTH + 1,
    GR_RENDER_NUM_WIRE_MODES    = GR_RENDER_GHOST_LINE - GR_RENDER_WIREFRAME + 1
};

// bitfield for modifying the basic GR_RenderMode. A flag may not apply to all
// render modes (like a FLAT_SHADED and GR_RENDER_WIREFRAME combination).
enum GR_RenderFlags
{
    GR_RENDER_FLAG_NONE                 = 0x00,
    
    GR_RENDER_FLAG_FLAT_SHADED          = 0x01,
    GR_RENDER_FLAG_UNLIT                = 0x02,
    GR_RENDER_FLAG_WIRE_OVER            = 0x04,
    GR_RENDER_FLAG_FADED                = 0x08,
    GR_RENDER_FLAG_COLOR_OVERRIDE       = 0x10,
    GR_RENDER_FLAG_ALPHA_OVERRIDE       = 0x20,
    GR_RENDER_FLAG_POINTS_ONLY          = 0x40,
    GR_RENDER_FLAG_SHADED_CURVES        = 0x80,
    GR_RENDER_FLAG_WIRE_PRIMS_ONLY      = 0x100,
    GR_RENDER_FLAG_USE_SUBDIVISION      = 0x200,

    GR_RENDER_FLAG_POINT_UV_POS         = 0x400,
    GR_RENDER_FLAG_VERTEX_UV_POS        = 0x800,
    GR_RENDER_FLAG_UV_POS               = 0xC00,
    GR_RENDER_FLAG_IMAGE                = 0xC00, // alias to UV Pos

    GR_RENDER_FLAG_BONE_DEFORM          = 0x01000,
    GR_RENDER_FLAG_BONE_DEFORM_SINGLE   = 0x02000,
    GR_RENDER_FLAG_MASK_BONE_DEFORM     = 0x03000,
    GR_RENDER_FLAG_LIGHT_MASK_ONLY      = 0x04000,

    GR_RENDER_FLAG_HULL_CLOSURE_SELECT  = 0x20000,
    GR_RENDER_FLAG_HIDE_MATERIALS       = 0x40000,
};

enum GR_AlphaPass
{
    GR_ALPHA_PASS_OPAQUE = 0x1,  // Only opaque objects
    GR_ALPHA_PASS_NORMAL = 0x2,  // All transparent objects
    GR_ALPHA_PASS_INVISIBLE = 0x4, // Don't render in any pass.

    GR_ALPHA_PASS_ALL    = 0x3   // Ignore alpha and render all objects.
};

enum GR_ShadingPass
{
    GR_SHADING_SOLID,            // only draw solid objects
    GR_SHADING_WIREFRAME,        // only draw wireframe objects
    GR_SHADING_LIGHT_MASK,       // HQ Lighting - only the mask
    GR_SHADING_ANY               // ignore object shading mode; draw everything.
};

enum GR_LightingPass
{
    GR_LIGHTING_UNLIT,
    GR_LIGHTING_LIT,
    GR_LIGHTING_ANY
};

enum GR_ParticleType
{
    GR_PARTICLE_POINTS,
    GR_PARTICLE_LINES,
    GR_PARTICLE_DISCS,
    GR_PARTICLE_PIXELS
};

enum GR_Decoration
{
    GR_NO_DECORATION = -1,
    
    GR_POINT_MARKER,
    GR_POINT_NUMBER,
    GR_POINT_NORMAL,
    GR_POINT_UV,
    GR_POINT_POSITION,
    GR_POINT_VELOCITY,
    GR_POINT_COINCIDENT,
    
    GR_PRIM_NORMAL,
    GR_PRIM_NUMBER,
    GR_PRIM_HULL,
    GR_PRIM_BREAKPOINT,
    GR_PRIM_PROFILE,
    GR_PRIM_PROFILE_NUMBER,

    GR_VERTEX_MARKER,
    GR_VERTEX_NORMAL,
    GR_VERTEX_NUMBER,
    GR_VERTEX_UV,
    
    GR_MAX_DECORATIONS, // max number of builtin decorations
    
    GR_USER_DECORATION = GR_MAX_DECORATIONS,   // deprecated
    GR_VISUALIZER_MARKER = GR_USER_DECORATION+1
};

enum GR_DecorVisibility
{
    GR_DECOR_ALWAYS_VISIBLE,
    GR_DECOR_SELECTED_ONLY,
    GR_DECOR_LOCAL_AREA,
    GR_DECOR_HOVER
};

enum GR_DecorFontSize
{
    GR_DECOR_FONT_TINY = 0,
    GR_DECOR_FONT_SMALL,
    GR_DECOR_FONT_MEDIUM,
    GR_DECOR_FONT_LARGE,

    GR_DECOR_FONT_NUM_SIZES
};

enum GR_DecorFontType
{
    GR_DECOR_FONT_FULL      =0,
    GR_DECOR_FONT_FP_DIGITS,
    GR_DECOR_FONT_INT_DIGITS,

    GR_DECOR_FONT_NUM_TYPES
};

enum GR_DecorationOverride
{
    GR_DECOR_OVERRIDE_NONE       = 0x0,
    
    GR_DECOR_OVERRIDE_POINT      = 0x1,
    GR_DECOR_OVERRIDE_VERTEX     = 0x2,
    GR_DECOR_OVERRIDE_BREAKPOINT = 0x4,
    GR_DECOR_OVERRIDE_EDGE       = 0x8,
    GR_DECOR_OVERRIDE_VELOCITY   = 0x10
};

enum GR_DecorRenderFlags
{
    GR_DECOR_RENDER_FLAG_NONE                   = 0x0,
    GR_DECOR_RENDER_FLAG_DIMMED                 = 0x1,
    GR_DECOR_RENDER_FLAG_ACTIVE_INSTANCE_ONLY   = 0x2,
    GR_DECOR_RENDER_FLAG_POINT_UV_POS           = 0x10,
    GR_DECOR_RENDER_FLAG_VERTEX_UV_POS          = 0x20,
    GR_DECOR_RENDER_FLAG_UV_POS                 = 0x30
};

enum GR_SelectMode
{
    GR_SELECT_NONE              = 0,
    GR_SELECT_PRIM_PARTIAL      = 1,
    GR_SELECT_PRIM_FULL         = 2,
    GR_SELECT_POINT_PARTIAL     = 3,
    GR_SELECT_POINT_FULL        = 4,
    GR_SELECT_VERTEX_PARTIAL    = 5,
    GR_SELECT_VERTEX_FULL       = 6
};
    
enum GR_PickStyle
{
    GR_PICK_NONE                        = 0x0000,

    // For single picking from a buffer.
    GR_PICK_SINGLE                      = 0x0001,

    // For multi-component picking.
    GR_PICK_MULTI_VISIBLE               = 0x0010,
    GR_PICK_MULTI_FRUSTUM               = 0x0020,
    GR_PICK_MULTI_FLAG                  = 0x0030,

    // For picking in UV viewports.
    GR_PICK_POINT_UV_FLAG               = 0x0100,
    GR_PICK_VERTEX_UV_FLAG              = 0x0200,
    GR_PICK_UV_FLAG                     = 0x0300,

    // Indicates we are picking to do snapping.
    GR_PICK_SNAP_FLAG                   = 0x1000,
    // Don't allow picking of selected components (mostly to avoid snapping
    // to geometry that is being moved).
    GR_PICK_HIDE_SELECTED               = 0x2000,
    // Invert the sense of the box/lasso/paint pick (outside is selected)
    GR_PICK_OUTSIDE                     = 0x4000,
    // As if the surface was wireframe
    GR_PICK_AS_WIRE                     = 0x8000,

    // As if the surface was one solid shape
    GR_PICK_PACKED                      = 0x10000,

    // OpenGL 4.2 (GL_ARB_image_load_store) based picking.
    GR_PICK_GL42                        = 0x1000000
};

class GR_ObjectPickFlags
{
public:
                 GR_ObjectPickFlags()
                     : myUseObjectNodes(true),
                       myPickNonSelectable(false),
                       myPickTemplates(false),
                       myPickGhosted(true),
                       myPickXray(false)
                 { }

    // Controls whether details must be associated with object nodes.  If false,
    // any displayed detail is considered an "object" for picking purposes.
    bool         myUseObjectNodes;

    bool         myPickNonSelectable;
    bool         myPickTemplates;
    bool         myPickGhosted;
    bool         myPickXray;
};

// bitfield for why GR_Primitive::update() was called.
// be sure to update GUI_RenderCommon.h:GUI_SetupResult if the bitfield gets
// larger than 0x8000.
enum GR_UpdateReason
{
    GR_UNCHANGED                        = 0x0,          
    
    GR_GEO_CHANGED                      = 0x001,
    GR_GEO_TOPOLOGY_CHANGED             = 0x002,
    GR_GEO_ATTRIB_LIST_CHANGED          = 0x004,
    GR_GEO_SELECTION_CHANGED            = 0x008,
    GR_GEO_DETAIL_SWITCHED              = 0x010,
    GR_GEO_PRIMITIVE_CHANGED            = 0x020,
    GR_DISPLAY_OPTIONS_CHANGED          = 0x040,
    GR_OBJECT_MODE_CHANGED              = 0x080,
    GR_INSTANCE_PARMS_CHANGED           = 0x100,
    GR_INSTANCE_SELECTION_CHANGED       = 0x200,
    GR_GL_STATE_CHANGED                 = 0x400,
    GR_GL_VIEW_CHANGED                  = 0x800,
    GR_LOD_CHANGED                      = 0x1000,
    GR_MATERIALS_CHANGED                = 0x2000,
    GR_MATERIAL_ASSIGNMENT_CHANGED      = 0x4000,
    GR_GEO_VISIBILITY_RESTORED          = 0x8000,
    GR_VISUALIZER_NEEDS_REFINE          = 0x10000,
    GR_VISUALIZER_NEEDS_UPDATE          = 0x20000,
    GR_VIEWPORT_CONFIG_CHANGED          = 0x40000,
    GR_LIGHT_LINK_CHANGED               = 0x80000
};

enum GR_AttribMask
{
    GR_NO_ATTRIBS        = 0x0,
        
    GR_VERTEX_ATTRIB     = 0x1,
    GR_POINT_ATTRIB      = 0x2,
    GR_PRIMITIVE_ATTRIB  = 0x4,
    GR_DETAIL_ATTRIB     = 0x8,

    // These don't strictly exist as attribute types,
    // but are useful for selections.
    GR_EDGE_ATTRIB       = 0x10,
    GR_BREAKPOINT_ATTRIB = 0x20,

    GR_ALL_ATTRIBS = 0xFFFFFFFF
};

enum GR_PrimAcceptResult
{
    GR_NOT_PROCESSED,
    GR_PROCESSED,
    GR_PROCESSED_NON_EXCLUSIVE
};

enum GR_BasePrimType
{
    GR_BASE_PRIM_NORMAL,        // most primitives are normal prim types.
    
    GR_BASE_PRIM_PACKED,        // container primitives
    GR_BASE_PRIM_PACKED_MESH,
    GR_BASE_PRIM_INSTANCE,
    GR_BASE_PRIM_FRAGMENT,
    GR_BASE_PRIM_AGENT_SHAPE,
    
    GR_BASE_PRIM_VISUALIZE      // visualizer output
};

enum GR_BoundaryMode
{
    GR_BOUNDARY_NONE = 0,
    GR_BOUNDARY_VIEW_3D = 1,
    GR_BOUNDARY_VIEW_UV = 2,
    GR_BOUNDARY_VIEW_ALL = 3
};

enum GR_AgentWireMode
{
    GR_AGENT_WIRE_LINE = 0,
    GR_AGENT_WIRE_BONE = 1
};

#include <UT/UT_Array.h>
#include <UT/UT_Pair.h>
typedef UT_Array<UT_Pair<UT_Matrix4D, UT_Vector2i> > GR_FrustumList;

#endif