\ j;k$dZddlZddlZddlZddlTddlmZddlmZmZm Z ej dZ dZ dZ d Zd Zd Zd ZGd dZGddZGddeZeZGddeZGddeZdS)a<Low-level graphics rendering. This module provides an efficient low-level abstraction over OpenGL. It gives very good performance for rendering OpenGL primitives; far better than the typical immediate-mode usage and, on modern graphics cards, better than using display lists in many cases. The module is used internally by other areas of pyglet. See the :ref:`guide_graphics` for details on how to use this graphics API. Batches and groups ================== Without even needing to understand the details on how to draw primitives with the graphics API, developers can make use of :py:class:`~pyglet.graphics.Batch` and :py:class:`~pyglet.graphics.Group` objects to improve performance of sprite and text rendering. The :py:class:`~pyglet.sprite.Sprite`, :py:func:`~pyglet.text.Label` and :py:func:`~pyglet.text.layout.TextLayout` classes all accept a ``batch`` and ``group`` parameter in their constructors. A batch manages a set of objects that will be drawn all at once, and a group describes the manner in which an object is drawn. The following example creates a batch, adds two sprites to the batch, and then draws the entire batch:: batch = pyglet.graphics.Batch() car = pyglet.sprite.Sprite(car_image, batch=batch) boat = pyglet.sprite.Sprite(boat_image, batch=batch) def on_draw() batch.draw() Drawing a complete batch is much faster than drawing the items in the batch individually, especially when those items belong to a common group. Groups describe the OpenGL state required for an item. This is for the most part managed by the sprite and text classes, however you can also use groups to ensure items are drawn in a particular order. For example, the following example adds a background sprite which is guaranteed to be drawn before the car and the boat:: batch = pyglet.graphics.Batch() background = pyglet.graphics.OrderedGroup(0) foreground = pyglet.graphics.OrderedGroup(1) background = pyglet.sprite.Sprite(background_image, batch=batch, group=background) car = pyglet.sprite.Sprite(car_image, batch=batch, group=foreground) boat = pyglet.sprite.Sprite(boat_image, batch=batch, group=foreground) def on_draw() batch.draw() It's preferable to manage sprites and text objects within as few batches as possible. If the drawing of sprites or text objects need to be interleaved with other drawing that does not use the graphics API, multiple batches will be required. Data item parameters ==================== Many of the functions and methods in this module accept any number of ``data`` parameters as their final parameters. In the documentation these are notated as ``*data`` in the formal parameter list. A data parameter describes a vertex attribute format and an optional sequence to initialise that attribute. Examples of common attribute formats are: ``"v3f"`` Vertex position, specified as three floats. ``"c4B"`` Vertex color, specified as four unsigned bytes. ``"t2f"`` Texture coordinate, specified as two floats. See `pyglet.graphics.vertexattribute` for the complete syntax of the vertex format string. When no initial data is to be given, the data item is just the format string. For example, the following creates a 2 element vertex list with position and color attributes:: vertex_list = pyglet.graphics.vertex_list(2, 'v2f', 'c4B') When initial data is required, wrap the format string and the initial data in a tuple, for example:: vertex_list = pyglet.graphics.vertex_list(2, ('v2f', (0.0, 1.0, 1.0, 0.0)), ('c4B', (255, 255, 255, 255) * 2)) Drawing modes ============= Methods in this module that accept a ``mode`` parameter will accept any value in the OpenGL drawing mode enumeration: ``GL_POINTS``, ``GL_LINE_STRIP``, ``GL_LINE_LOOP``, ``GL_LINES``, ``GL_TRIANGLE_STRIP``, ``GL_TRIANGLE_FAN``, ``GL_TRIANGLES``, ``GL_QUAD_STRIP``, ``GL_QUADS``, and ``GL_POLYGON``. :: pyglet.graphics.draw(1, GL_POINTS, ('v2i',(10,20))) However, because of the way the graphics API renders multiple primitives with shared state, ``GL_POLYGON``, ``GL_LINE_LOOP`` and ``GL_TRIANGLE_FAN`` cannot be used --- the results are undefined. When using ``GL_LINE_STRIP``, ``GL_TRIANGLE_STRIP`` or ``GL_QUAD_STRIP`` care must be taken to insert degenerate vertices at the beginning and end of each vertex list. For example, given the vertex list:: A, B, C, D the correct vertex list to provide the vertex list is:: A, A, B, C, D, D Alternatively, the ``NV_primitive_restart`` extension can be used if it is present. This also permits use of ``GL_POLYGON``, ``GL_LINE_LOOP`` and ``GL_TRIANGLE_FAN``. Unfortunately the extension is not provided by older video drivers, and requires indexed vertex lists. .. versionadded:: 1.1 N)*)gl) vertexbuffervertexattribute vertexdomaindebug_graphics_batchcttg}|D]\}}tj|}|t ||jzks Jd|zt j||jzd}| |d||| | |j | |t|d|tt!dS)a_Draw a primitive immediately. :Parameters: `size` : int Number of vertices given `mode` : gl primitive type OpenGL drawing mode, e.g. ``GL_TRIANGLES``, avoiding quotes. `data` : data items Attribute formats and data. See the module summary for details. Data for %s is incorrect lengthFvborN)glPushClientAttribGL_CLIENT_VERTEX_ARRAY_BITrcreate_attributelencountrcreate_mappable_bufferstride set_regionenable set_pointerptrappend glDrawArraysglFlushglPopClientAttrib)sizemodedatabuffersfmtarray attributebuffers R/DATA/AppData/hermes/venv/lib/python3.11/site-packages/pyglet/graphics/__init__.pydrawr%s 1222G U#4S99 s5zzY_44446WZ]6]4444TIGiven a list of data items, returns (formats, initial_arrays).zNo attribute formats given) enumerate isinstancetupler)rformatsinitial_arraysir r!s r$ _parse_datar=s -----4GND//3 c5 ! ! .JC  ! !1e* - - -sGnnG N ""r&ctjj} |jS#t$rt |_|jcYSwxYwN)rcurrent_context object_spacepyglet_graphics_default_batchAttributeErrorBatch)shared_object_spaces r$_get_default_batchrF sX,9A"@@ AAA> e$$& 0 0HAu  % %a / / / / r&c. t|\}}|d|||}||t|} | j |  fd|D|D]\} } | | | | S)a%Add an indexed vertex list to the batch. :Parameters: `count` : int The number of vertices in the list. `mode` : int OpenGL drawing mode enumeration; for example, one of ``GL_POINTS``, ``GL_LINES``, ``GL_TRIANGLES``, etc. See the module summary for additional information. `group` : `~pyglet.graphics.Group` Group of the vertex list, or ``None`` if no group is required. `indices` : sequence Sequence of integers giving indices into the vertex list. `data` : data items Attribute formats and initial data for the vertex list. See the module summary for details. :rtype: `IndexedVertexList` Tcg|]}|zSrb).0r<starts r$ z%Batch.add_indexed..s:::Qq5y:::r&)r=rZr[rrd_set_index_datar\) rUrrr]r1rr:r;r^r_r<r!rds @r$rKzBatch.add_indexedws(#.d"3"3!!$eW== eS\\22  ::::':::;;;& 0 0HAu  % %a / / / / r&c|jj}t|tjr|d|||}n|d|||}||dS)aMigrate a vertex list to another batch and/or group. `vertex_list` and `mode` together identify the vertex list to migrate. `group` and `batch` are new owners of the vertex list after migration. The results are undefined if `mode` is not correct or if `vertex_list` does not belong to this batch (they are not checked and will not necessarily throw an exception immediately). `batch` can remain unchanged if only a group change is desired. :Parameters: `vertex_list` : `~pyglet.graphics.vertexdomain.VertexList` A vertex list currently belonging to this batch. `mode` : int The current GL drawing mode of the vertex list. `group` : `~pyglet.graphics.Group` The new group to migrate to. `batch` : `~pyglet.graphics.Batch` The batch to migrate to (or the current batch). TFN)r^_Batch__formatsr8rIndexedVertexListrZmigrate)rUrIrr]batchr:r^s r$rjz Batch.migratess.$. k<#A B B D&&tT5'BBFF&&udE7CCFF#####r&c|t}||jvr|||j|}|||f} ||}nB#t$r5|rt j|}nt j|}||_|||<d|_YnwxYw|SNT) null_grouprO _add_groupKeyErrorrcreate_indexed_domain create_domainrhrS)rUindexedrr]r: domain_mapkeyr^s r$rZzBatch._get_domains =E  & & OOE " " "^E* g& )_FF ) ) ) >%;WE%3W=&F $JsO$(D ! ! ! ) sA11 ---|4#66646#EL1   - 4 4U ; ; ; ##D))) $r&c fdg_jtjD],}|jr#j|-d_trdSdS)zYVisit group tree in preorder and create a list of bound methods to call. cg} j|}t|D]D\\}}}}|r||||f=$|d||E j|}|rK|t|D]'}|jr|  |(|s|r|j g|z|j gzS j|=|j |jr% j|j | j|=n#t$rYnwxYw j |n#t"$rYnwxYwgS)NcfdS)Nc.Sr?)r%dmsr$zJBatch._update_draw_list..visit....s!&&))r&rbr}s``r$rz8Batch._update_draw_list..visit..s"3"3"3"3"3r&)rOlistitems _is_emptyrrPgetsortvisibleextend set_state unset_staterxremoverwrprQ ValueError) r] draw_listrtr:rrsr^childrenchildrUvisits r$rz&Batch._update_draw_list..visitsI.J489I9I9K9K4L4L D D0($&##%%"GT7#;<  333VTBBDDDD*..u55H 7 !(^^77E}7!((u666 : (948I7JJJN5)'..t444<D' 5<.dumps &- / / /.J'--// 7 7 6fdF+++#&(8(N(N(P(P#Q77KE4&&*>%*NOOO*0*@*F*F*H*H77YfhC88887%.%9%9):JESW%X%XF!#v|AAA77777!#~66666 77,00;; + +UFTM**** &+u - - - - -s 69C00D zDraw list for %r:)r)rrQ)rUr]rs` @r$rzBatch._dump_draw_listsg . . . . . . .$ !D()))_  E DKKKK  r&cd|jr||jD] }| dS)zDraw the batch. N)rSrrR)rUfuncs r$r%z Batch.draw-sI   %  " " $ $ $O  D DFFFF  r&cfdjjD]}|jr |dS)aDraw only some vertex lists in the batch. The use of this method is highly discouraged, as it is quite inefficient. Usually an application can be redesigned so that batches can always be drawn in their entirety, using `draw`. The given vertex lists must belong to this batch; behaviour is undefined if this condition is not met. :Parameters: `vertex_lists` : sequence of `VertexList` or `IndexedVertexList` Vertex lists to draw. c|j|}|D],\\}}}} D] }|j|ur||!-j|}|r+||D]}|jr  || dSr?) rrOrr^r%rPrrrr) r]rtrrr^alistrrrU vertex_listsrs r$rz Batch.draw_subset..visitGs OO   .J(2(8(8(:(: ) )$ D!f)))E|v-- 4((() *..u55H % %%%E}%e        r&N)rQrr)rUrr]rs`` @r$ draw_subsetzBatch.draw_subset6sq"       ( _  E} e   r&N)__name__ __module__ __qualname____doc__rVrXrHrKrjrZrorrr%rrbr&r$rDrD6s   & & &%%%8@$$$<4 % % %7#7#7#r.(((((r&rDceZdZdZd dZedZejdZedZdZ dZ d Z d Z d Z dS) Groupa8Group of common OpenGL state. Before a vertex list is rendered, its group's OpenGL state is set; as are that state's ancestors' states. This can be defined arbitrarily on subclasses; the default state change has no effect, and groups vertex lists only in the order in which they are drawn. NcR||_d|_tj|_dS)aCreate a group. :Parameters: `parent` : `~pyglet.graphics.Group` Group to contain this group; its state will be set before this state's. `visible` : bool Determines whether this group is visible in any of the batches it is assigned to. `batches` : list Read Only. A list of which batches this group is a part of. TN)rw_visibleweakrefWeakSetrx)rUrws r$rVzGroup.__init__js(  !(!2!2r&c|jSr?)rrTs r$rz Group.visiblezs }r&cP||_|jD]}|dSr?)rrxrX)rUvaluerks r$rz Group.visible~s: +  E         r&c$d|jDS)Ncg|]}|Srbrb)rcrks r$rez!Group.batches..s:::%:::r&)rxrTs r$batchesz Group.batchess::4#9::::r&cBt|t|kSr?)hashrUothers r$__lt__z Group.__lt__sDzzDKK''r&cdS)zZApply the OpenGL state change. 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Texture groups are equal if their textures' targets and names are equal. Ncftt||||_dS)zCreate a texture group. :Parameters: `texture` : `~pyglet.image.Texture` Texture to bind. `parent` : `~pyglet.graphics.Group` Parent group. N)superrrVtexture)rUrrw __class__s r$rVzTextureGroup.__init__s. lD!!**6222 r&ct|jjt|jj|jjdSr?)glEnablertarget glBindTextureidrTs r$rzTextureGroup.set_states4$%%%dl)42DJ???r&r?) rrrrrVrrrrrrs@r$rrs      77777 --- ///@@@@@@@r&r)rr*rpyglet pyglet.glrpyglet.graphicsrrroptionsrr%r5r=rFrIrLrDrrrnrrrbr&r$rsH{{z  GGGGGGGGGG'=>B)))X # # # AAA;;;"LLL&hhhhhhhhV I0I0I0I0I0I0I0I0X        Y[[ &H&H&H&H&H5&H&H&HR)@)@)@)@)@5)@)@)@)@)@r&