diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/mtypes.h | 267 |
1 files changed, 167 insertions, 100 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 57db1acffb..5586e68510 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -156,7 +156,8 @@ struct gl_texture_format; * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the * generic attributes are distinct/separate). */ -enum { +enum +{ VERT_ATTRIB_POS = 0, VERT_ATTRIB_WEIGHT = 1, VERT_ATTRIB_NORMAL = 2, @@ -214,7 +215,8 @@ enum { /** * Indexes for fragment program input attributes. */ -enum { +enum +{ FRAG_ATTRIB_WPOS = 0, FRAG_ATTRIB_COL0 = 1, FRAG_ATTRIB_COL1 = 2, @@ -282,7 +284,8 @@ enum { /** * Data structure for color tables */ -struct gl_color_table { +struct gl_color_table +{ GLenum Format; /**< GL_ALPHA, GL_RGB, GL_RGB, etc */ GLenum IntFormat; GLuint Size; /**< number of entries (rows) in table */ @@ -364,7 +367,8 @@ struct gl_color_table { /** * Material shininess lookup table. */ -struct gl_shine_tab { +struct gl_shine_tab +{ struct gl_shine_tab *next, *prev; GLfloat tab[SHINE_TABLE_SIZE+1]; GLfloat shininess; @@ -373,9 +377,10 @@ struct gl_shine_tab { /** - * Light. + * Light source state. */ -struct gl_light { +struct gl_light +{ struct gl_light *next; /**< double linked list with sentinel */ struct gl_light *prev; @@ -415,9 +420,10 @@ struct gl_light { /** - * Light model. + * Light model state. */ -struct gl_lightmodel { +struct gl_lightmodel +{ GLfloat Ambient[4]; /**< ambient color */ GLboolean LocalViewer; /**< Local (or infinite) view point? */ GLboolean TwoSide; /**< Two (or one) sided lighting? */ @@ -427,7 +433,7 @@ struct gl_lightmodel { /** - * Material. + * Material state. */ struct gl_material { @@ -436,17 +442,19 @@ struct gl_material /** - * Accumulation buffer attributes. + * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT) */ -struct gl_accum_attrib { +struct gl_accum_attrib +{ GLfloat ClearColor[4]; /**< Accumulation buffer clear color */ }; /** - * Color buffer attributes. + * Color buffer attribute group (GL_COLOR_BUFFER_BIT). */ -struct gl_colorbuffer_attrib { +struct gl_colorbuffer_attrib +{ GLuint ClearIndex; /**< Index to use for glClear */ GLclampf ClearColor[4]; /**< Color to use for glClear */ @@ -494,9 +502,10 @@ struct gl_colorbuffer_attrib { /** - * Current attributes. + * Current attribute group (GL_CURRENT_BIT). */ -struct gl_current_attrib { +struct gl_current_attrib +{ /** * \name Values valid only when FLUSH_VERTICES has been called. */ @@ -526,9 +535,10 @@ struct gl_current_attrib { /** - * Depth buffer attributes. + * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT). */ -struct gl_depthbuffer_attrib { +struct gl_depthbuffer_attrib +{ GLenum Func; /**< Function for depth buffer compare */ GLclampd Clear; /**< Value to clear depth buffer to */ GLboolean Test; /**< Depth buffering enabled flag */ @@ -540,9 +550,10 @@ struct gl_depthbuffer_attrib { /** - * glEnable()/glDisable() attributes. + * glEnable()/glDisable() attribute group (GL_ENABLE_BIT). */ -struct gl_enable_attrib { +struct gl_enable_attrib +{ GLboolean AlphaTest; GLboolean AutoNormal; GLboolean Blend; @@ -618,9 +629,10 @@ struct gl_enable_attrib { /** - * Eval attributes. + * Evaluator attribute group (GL_EVAL_BIT). */ -struct gl_eval_attrib { +struct gl_eval_attrib +{ /** * \name Enable bits */ @@ -662,9 +674,10 @@ struct gl_eval_attrib { /** - * Fog attributes. + * Fog attribute group (GL_FOG_BIT). */ -struct gl_fog_attrib { +struct gl_fog_attrib +{ GLboolean Enabled; /**< Fog enabled flag */ GLfloat Color[4]; /**< Fog color */ GLfloat Density; /**< Density >= 0.0 */ @@ -678,11 +691,12 @@ struct gl_fog_attrib { /** - * Hint attributes. + * Hint attribute group (GL_HINT_BIT). * * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE. */ -struct gl_hint_attrib { +struct gl_hint_attrib +{ GLenum PerspectiveCorrection; GLenum PointSmooth; GLenum LineSmooth; @@ -697,7 +711,8 @@ struct gl_hint_attrib { /** * Histogram attributes. */ -struct gl_histogram_attrib { +struct gl_histogram_attrib +{ GLuint Width; /**< number of table entries */ GLint Format; /**< GL_ALPHA, GL_RGB, etc */ GLuint Count[HISTOGRAM_TABLE_SIZE][4]; /**< the histogram */ @@ -713,7 +728,8 @@ struct gl_histogram_attrib { /** * Color Min/max state. */ -struct gl_minmax_attrib { +struct gl_minmax_attrib +{ GLenum Format; GLboolean Sink; GLfloat Min[4], Max[4]; /**< RGBA */ @@ -723,7 +739,8 @@ struct gl_minmax_attrib { /** * Image convolution state. */ -struct gl_convolution_attrib { +struct gl_convolution_attrib +{ GLenum Format; GLenum InternalFormat; GLuint Width; @@ -744,10 +761,11 @@ struct gl_convolution_attrib { /** - * Lighting attributes. + * Lighting attribute group (GL_LIGHT_BIT). */ -struct gl_light_attrib { - struct gl_light Light[MAX_LIGHTS]; /**< Array of lights */ +struct gl_light_attrib +{ + struct gl_light Light[MAX_LIGHTS]; /**< Array of light sources */ struct gl_lightmodel Model; /**< Lighting model */ /** @@ -767,7 +785,7 @@ struct gl_light_attrib { struct gl_light EnabledList; /**< List sentinel */ /** - * Derived for optimizations: + * Derived state for optimizations: */ /*@{*/ GLboolean _NeedEyeCoords; @@ -779,9 +797,10 @@ struct gl_light_attrib { /** - * Line attributes. + * Line attribute group (GL_LINE_BIT). */ -struct gl_line_attrib { +struct gl_line_attrib +{ GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */ GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */ GLushort StipplePattern; /**< Stipple pattern */ @@ -792,14 +811,19 @@ struct gl_line_attrib { /** - * Display list state. + * Display list attribute group (GL_LIST_BIT). */ -struct gl_list_attrib { +struct gl_list_attrib +{ GLuint ListBase; }; -struct gl_list_instruction { +/** + * Used by device drivers to hook new commands into display lists. + */ +struct gl_list_instruction +{ GLuint Size; void (*Execute)( GLcontext *ctx, void *data ); void (*Destroy)( GLcontext *ctx, void *data ); @@ -808,16 +832,21 @@ struct gl_list_instruction { #define MAX_DLIST_EXT_OPCODES 16 -struct gl_list_extensions { +/** + * Used by device drivers to hook new commands into display lists. + */ +struct gl_list_extensions +{ struct gl_list_instruction Opcode[MAX_DLIST_EXT_OPCODES]; GLuint NumOpcodes; }; /** - * Multisample state + * Multisample attribute group (GL_MULTISAMPLE_BIT). */ -struct gl_multisample_attrib { +struct gl_multisample_attrib +{ GLboolean Enabled; GLboolean SampleAlphaToCoverage; GLboolean SampleAlphaToOne; @@ -828,9 +857,10 @@ struct gl_multisample_attrib { /** - * Pixel attributes. + * Pixel attribute group (GL_PIXEL_MODE_BIT). */ -struct gl_pixel_attrib { +struct gl_pixel_attrib +{ GLenum ReadBuffer; /**< source buffer for glReadPixels()/glCopyPixels() */ GLubyte _ReadSrcMask; /**< Not really a mask, but like _DrawDestMask * @@ -907,9 +937,10 @@ struct gl_pixel_attrib { /** - * Point attributes. + * Point attribute group (GL_POINT_BIT). */ -struct gl_point_attrib { +struct gl_point_attrib +{ GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */ GLfloat Size; /**< User-specified point size */ GLfloat _Size; /**< Size clamped to Const.Min/MaxPointSize */ @@ -925,9 +956,10 @@ struct gl_point_attrib { /** - * Polygon attributes. + * Polygon attribute group (GL_POLYGON_BIT). */ -struct gl_polygon_attrib { +struct gl_polygon_attrib +{ GLenum FrontFace; /**< Either GL_CW or GL_CCW */ GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */ GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */ @@ -945,9 +977,10 @@ struct gl_polygon_attrib { /** - * Scissor attributes. + * Scissor attributes (GL_SCISSOR_BIT). */ -struct gl_scissor_attrib { +struct gl_scissor_attrib +{ GLboolean Enabled; /**< Scissor test enabled? */ GLint X, Y; /**< Lower left corner of box */ GLsizei Width, Height; /**< Size of box */ @@ -955,9 +988,10 @@ struct gl_scissor_attrib { /** - * Stencil attributes. + * Stencil attribute group (GL_STENCIL_BUFFER_BIT). */ -struct gl_stencil_attrib { +struct gl_stencil_attrib +{ GLboolean Enabled; /**< Enabled flag */ GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */ GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 1) */ @@ -1099,7 +1133,8 @@ typedef GLboolean (*StoreTexImageFunc)(GLcontext *ctx, GLuint dims, /** * Texture format record */ -struct gl_texture_format { +struct gl_texture_format +{ GLint MesaFormat; /**< One of the MESA_FORMAT_* values */ GLenum BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, @@ -1136,9 +1171,11 @@ struct gl_texture_format { /** - * Texture image record + * Texture image state. Describes the dimensions of a texture image, + * the texel format and pointers to Texel Fetch functions. */ -struct gl_texture_image { +struct gl_texture_image +{ GLenum Format; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, * GL_LUMINANCE, GL_LUMINANCE_ALPHA, * GL_INTENSITY, GL_COLOR_INDEX or @@ -1199,9 +1236,12 @@ struct gl_texture_image { /** - * Texture object record + * Texture object state. Contains the array of mipmap images, border color, + * wrap modes, filter modes, shadow/texcompare state, and the per-texture + * color palette. */ -struct gl_texture_object { +struct gl_texture_object +{ _glthread_Mutex Mutex; /**< for thread safety */ GLint RefCount; /**< reference count */ GLboolean DeletePending; /**< Has glDeleteTexture been called? */ @@ -1260,7 +1300,8 @@ struct gl_texture_object { * If GL_NV_texture_env_combine4 is ever supported, the arrays in this * structure will need to be expanded for 4 elements. */ -struct gl_tex_env_combine_state { +struct gl_tex_env_combine_state +{ GLenum ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ GLenum ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ GLenum SourceRGB[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ @@ -1275,9 +1316,12 @@ struct gl_tex_env_combine_state { /** - * Texture unit record + * Texture unit state. Contains enable flags, texture environment/function/ + * combiners, texgen state, pointers to current texture objects and + * post-filter color tables. */ -struct gl_texture_unit { +struct gl_texture_unit +{ GLuint Enabled; /**< bitmask of TEXTURE_*_BIT flags */ GLuint _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */ @@ -1346,9 +1390,10 @@ struct gl_texture_unit { /** - * Texture attributes + * Texture attribute group (GL_TEXTURE_BIT). */ -struct gl_texture_attrib { +struct gl_texture_attrib +{ /** * name multitexture */ @@ -1376,9 +1421,10 @@ struct gl_texture_attrib { /** - * Transformation attributes. + * Transformation attribute group (GL_TRANSFORM_BIT). */ -struct gl_transform_attrib { +struct gl_transform_attrib +{ GLenum MatrixMode; /**< Matrix mode */ GLfloat EyeUserPlane[MAX_CLIP_PLANES][4]; /**< User clip planes */ GLfloat _ClipUserPlane[MAX_CLIP_PLANES][4]; /**< derived */ @@ -1394,9 +1440,10 @@ struct gl_transform_attrib { /** - * Viewport attributes. + * Viewport attribute group (GL_VIEWPORT_BIT). */ -struct gl_viewport_attrib { +struct gl_viewport_attrib +{ GLint X, Y; /**< position */ GLsizei Width, Height; /**< size */ GLfloat Near, Far; /**< Depth buffer range */ @@ -1405,9 +1452,10 @@ struct gl_viewport_attrib { /** - * Node for the attribute stack + * Node for the attribute stack. */ -struct gl_attrib_node { +struct gl_attrib_node +{ GLbitfield kind; void *data; struct gl_attrib_node *next; @@ -1417,7 +1465,8 @@ struct gl_attrib_node { /** * GL_ARB_vertex/pixel_buffer_object buffer object */ -struct gl_buffer_object { +struct gl_buffer_object +{ GLint RefCount; GLuint Name; GLenum Usage; @@ -1434,7 +1483,8 @@ struct gl_buffer_object { /** * Client pixel packing/unpacking attributes */ -struct gl_pixelstore_attrib { +struct gl_pixelstore_attrib +{ GLint Alignment; GLint RowLength; GLint SkipPixels; @@ -1455,7 +1505,8 @@ struct gl_pixelstore_attrib { /** * Client vertex array attributes */ -struct gl_client_array { +struct gl_client_array +{ GLint Size; /**< components per element (1,2,3,4) */ GLenum Type; /**< datatype: GL_FLOAT, GL_INT, etc */ GLsizei Stride; /**< user-specified stride */ @@ -1475,7 +1526,8 @@ struct gl_client_array { /** * Vertex array state */ -struct gl_array_attrib { +struct gl_array_attrib +{ struct gl_client_array Vertex; /**< client data descriptors */ struct gl_client_array Normal; struct gl_client_array Color; @@ -1506,7 +1558,8 @@ struct gl_array_attrib { /** * Feedback buffer state */ -struct gl_feedback { +struct gl_feedback +{ GLenum Type; GLuint _Mask; /* FB_* bits */ GLfloat *Buffer; @@ -1518,7 +1571,8 @@ struct gl_feedback { /** * Selection buffer state */ -struct gl_selection { +struct gl_selection +{ GLuint *Buffer; /**< selection buffer */ GLuint BufferSize; /**< size of the selection buffer */ GLuint BufferCount; /**< number of values in the selection buffer */ @@ -1688,7 +1742,8 @@ struct fragment_program /** * State common to vertex and fragment programs. */ -struct program_state { +struct gl_program_state +{ GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_NV */ const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_NV */ }; @@ -1697,7 +1752,7 @@ struct program_state { /** * State vars for GL_ARB/GL_NV_vertex_program */ -struct vertex_program_state +struct gl_vertex_program_state { GLboolean Enabled; /**< GL_VERTEX_PROGRAM_NV */ GLboolean _Enabled; /**< Really enabled? */ @@ -1728,7 +1783,7 @@ struct vertex_program_state /* * State for GL_ARB/NV_fragment_program */ -struct fragment_program_state +struct gl_fragment_program_state { GLboolean Enabled; /* GL_VERTEX_PROGRAM_NV */ GLboolean _Enabled; /* Really enabled? */ @@ -1748,7 +1803,7 @@ struct fragment_program_state /* * State for GL_ARB_occlusion_query */ -struct occlusion_state +struct gl_occlusion_state { GLboolean Active; GLuint CurrentQueryObject; @@ -1921,7 +1976,8 @@ struct gl_constants /** - * List of extensions. + * Enable flag for each OpenGL extension. Different device drivers will + * enable different extensions at runtime. */ struct gl_extensions { @@ -2075,13 +2131,13 @@ struct matrix_stack #define IMAGE_CLAMP_BIT 0x800 /* extra */ -/** Transfer ops up to convolution */ +/** Pixel Transfer ops up to convolution */ #define IMAGE_PRE_CONVOLUTION_BITS (IMAGE_SCALE_BIAS_BIT | \ IMAGE_SHIFT_OFFSET_BIT | \ IMAGE_MAP_COLOR_BIT | \ IMAGE_COLOR_TABLE_BIT) -/** Transfer ops after convolution */ +/** Pixel transfer ops after convolution */ #define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS | \ IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT | \ IMAGE_COLOR_MATRIX_BIT | \ @@ -2234,7 +2290,8 @@ typedef union node Node; /** * Core Mesa's support for tnl modules: */ -struct gl_tnl_module { +struct gl_tnl_module +{ /** * Vertex format to be lazily swapped into current dispatch. */ @@ -2250,7 +2307,12 @@ struct gl_tnl_module { /*@}*/ }; -struct mesa_list_state { + +/** + * State used during display list compilation and execution. + */ +struct mesa_list_state +{ GLuint CallDepth; /**< Current recursion calling depth */ Node *CurrentListPtr; /**< Head of list being compiled */ GLuint CurrentListNum; /**< Number of the list being compiled */ @@ -2273,14 +2335,17 @@ struct mesa_list_state { /** - * Mesa context + * Mesa rendering context. * * This is the central context data structure for Mesa. Almost all * OpenGL state is contained in this structure. * Think of this as a base class from which device drivers will derive * sub classes. + * + * The GLcontext typedef names this structure. */ -struct __GLcontextRec { +struct __GLcontextRec +{ /** * \name OS related interfaces. * @@ -2373,15 +2438,6 @@ struct __GLcontextRec { struct gl_viewport_attrib Viewport; /**< Viewport attributes */ /*@}*/ - /** \name Other attribute groups */ - /*@{*/ - struct gl_histogram_attrib Histogram; - struct gl_minmax_attrib MinMax; - struct gl_convolution_attrib Convolution1D; - struct gl_convolution_attrib Convolution2D; - struct gl_convolution_attrib Separable2D; - /*@}*/ - /** \name Client attribute stack */ /*@{*/ GLuint ClientAttribStackDepth; @@ -2394,6 +2450,15 @@ struct __GLcontextRec { struct gl_pixelstore_attrib Pack; /**< Pixel packing */ struct gl_pixelstore_attrib Unpack; /**< Pixel unpacking */ struct gl_pixelstore_attrib DefaultPacking; /**< Default params */ + /*@}*/ + + /** \name Other assorted state (not pushed/popped on attribute stack) */ + /*@{*/ + struct gl_histogram_attrib Histogram; + struct gl_minmax_attrib MinMax; + struct gl_convolution_attrib Convolution1D; + struct gl_convolution_attrib Convolution2D; + struct gl_convolution_attrib Separable2D; struct gl_evaluators EvalMap; /**< All evaluators */ struct gl_feedback Feedback; /**< Feedback */ @@ -2406,18 +2471,18 @@ struct __GLcontextRec { struct gl_color_table PostColorMatrixColorTable; struct gl_color_table ProxyPostColorMatrixColorTable; - struct program_state Program; /**< for vertex or fragment progs */ - struct vertex_program_state VertexProgram; /**< GL_NV_vertex_program */ - struct fragment_program_state FragmentProgram; /**< GL_NV_fragment_program */ + struct gl_program_state Program; /**< for vertex or fragment progs */ + struct gl_vertex_program_state VertexProgram; /**< GL_NV_vertex_program */ + struct gl_fragment_program_state FragmentProgram; /**< GL_NV_fragment_program */ - struct occlusion_state Occlusion; /**< GL_ARB_occlusion_query */ + struct gl_occlusion_state Occlusion; /**< GL_ARB_occlusion_query */ + /*@}*/ GLenum ErrorValue; /**< Last error code */ GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */ GLuint NewState; /**< bitwise-or of _NEW_* flags */ - /*@}*/ - /** \name Derived */ + /** \name Derived state */ /*@{*/ GLuint _TriangleCaps; /**< bitwise-or of DD_* flags */ GLuint _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */ @@ -2504,7 +2569,8 @@ extern int MESA_DEBUG_FLAGS; #endif -enum _verbose { +enum _verbose +{ VERBOSE_VARRAY = 0x0001, VERBOSE_TEXTURE = 0x0002, VERBOSE_IMMEDIATE = 0x0004, @@ -2519,7 +2585,8 @@ enum _verbose { }; -enum _debug { +enum _debug +{ DEBUG_ALWAYS_FLUSH = 0x1 }; |