* 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,
/**
* Indexes for fragment program input attributes.
*/
-enum {
+enum
+{
FRAG_ATTRIB_WPOS = 0,
FRAG_ATTRIB_COL0 = 1,
FRAG_ATTRIB_COL1 = 2,
/**
* 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 */
/**
* 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;
/**
- * Light.
+ * Light source state.
*/
-struct gl_light {
+struct gl_light
+{
struct gl_light *next; /**< double linked list with sentinel */
struct gl_light *prev;
/**
- * 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? */
/**
- * Material.
+ * Material state.
*/
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 */
/**
- * 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.
*/
/**
- * 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 */
/**
- * glEnable()/glDisable() attributes.
+ * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
*/
-struct gl_enable_attrib {
+struct gl_enable_attrib
+{
GLboolean AlphaTest;
GLboolean AutoNormal;
GLboolean Blend;
/**
- * Eval attributes.
+ * Evaluator attribute group (GL_EVAL_BIT).
*/
-struct gl_eval_attrib {
+struct gl_eval_attrib
+{
/**
* \name Enable bits
*/
/**
- * 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 */
/**
- * 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;
/**
* 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 */
/**
* Color Min/max state.
*/
-struct gl_minmax_attrib {
+struct gl_minmax_attrib
+{
GLenum Format;
GLboolean Sink;
GLfloat Min[4], Max[4]; /**< RGBA */
/**
* Image convolution state.
*/
-struct gl_convolution_attrib {
+struct gl_convolution_attrib
+{
GLenum Format;
GLenum InternalFormat;
GLuint Width;
/**
- * 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 */
/**
struct gl_light EnabledList; /**< List sentinel */
/**
- * Derived for optimizations:
+ * Derived state for optimizations:
*/
/*@{*/
GLboolean _NeedEyeCoords;
/**
- * 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 */
/**
- * 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 );
#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;
/**
- * 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
*
/**
- * 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 */
/**
- * 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 */
/**
- * 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 */
/**
- * 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) */
/**
* 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,
/**
- * 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
/**
- * 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? */
* 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. */
/**
- * 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 */
/**
- * Texture attributes
+ * Texture attribute group (GL_TEXTURE_BIT).
*/
-struct gl_texture_attrib {
+struct gl_texture_attrib
+{
/**
* name multitexture
*/
/**
- * 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 */
/**
- * 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 */
/**
- * 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;
/**
* GL_ARB_vertex/pixel_buffer_object buffer object
*/
-struct gl_buffer_object {
+struct gl_buffer_object
+{
GLint RefCount;
GLuint Name;
GLenum Usage;
/**
* Client pixel packing/unpacking attributes
*/
-struct gl_pixelstore_attrib {
+struct gl_pixelstore_attrib
+{
GLint Alignment;
GLint RowLength;
GLint SkipPixels;
/**
* 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 */
/**
* 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;
/**
* Feedback buffer state
*/
-struct gl_feedback {
+struct gl_feedback
+{
GLenum Type;
GLuint _Mask; /* FB_* bits */
GLfloat *Buffer;
/**
* 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 */
/**
* 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 */
};
/**
* 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? */
/*
* 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? */
/*
* State for GL_ARB_occlusion_query
*/
-struct occlusion_state
+struct gl_occlusion_state
{
GLboolean Active;
GLuint CurrentQueryObject;
/**
- * List of extensions.
+ * Enable flag for each OpenGL extension. Different device drivers will
+ * enable different extensions at runtime.
*/
struct gl_extensions
{
#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 | \
/**
* Core Mesa's support for tnl modules:
*/
-struct gl_tnl_module {
+struct gl_tnl_module
+{
/**
* Vertex format to be lazily swapped into current dispatch.
*/
/*@}*/
};
-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 */
/**
- * 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.
*
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;
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 */
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 */
#endif
-enum _verbose {
+enum _verbose
+{
VERBOSE_VARRAY = 0x0001,
VERBOSE_TEXTURE = 0x0002,
VERBOSE_IMMEDIATE = 0x0004,
};
-enum _debug {
+enum _debug
+{
DEBUG_ALWAYS_FLUSH = 0x1
};
projects / mesa.git / commitdiff