/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "glheader.h"
+#include <GL/internal/glcore.h> /* GLimports/GLexports/GLcontextModes */
#include "config.h" /* Hardwired parameters */
#include "glapitable.h"
#include "glthread.h"
#include "math/m_matrix.h" /* GLmatrix */
+#include "bitset.h"
/**
#endif
-/**
- * Accumulation buffer data type.
- */
-#if ACCUM_BITS==8
- typedef GLbyte GLaccum;
-#elif ACCUM_BITS==16
- typedef GLshort GLaccum;
-#elif ACCUM_BITS==32
- typedef GLfloat GLaccum;
-#else
-# error "illegal number of accumulation bits"
-#endif
-
-
/**
* Stencil buffer data type.
*/
#if STENCIL_BITS==8
typedef GLubyte GLstencil;
-# define STENCIL_MAX 0xff
#elif STENCIL_BITS==16
typedef GLushort GLstencil;
-# define STENCIL_MAX 0xffff
#else
# error "illegal number of stencil bits"
#endif
-/**
- * Depth buffer data type.
- *
- * \note Must be 32-bits!
- */
-typedef GLuint GLdepth;
-
-
/**
* Fixed point data type.
*/
*/
/*@{*/
struct _mesa_HashTable;
+struct gl_pixelstore_attrib;
+struct gl_texture_format;
struct gl_texture_image;
struct gl_texture_object;
typedef struct __GLcontextRec GLcontext;
typedef struct __GLcontextModesRec GLvisual;
-typedef struct gl_frame_buffer GLframebuffer;
-struct gl_pixelstore_attrib;
-struct gl_texture_format;
+typedef struct gl_framebuffer GLframebuffer;
/*@}*/
* 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,
VERT_ATTRIB_COLOR0 = 3,
VERT_ATTRIB_COLOR1 = 4,
VERT_ATTRIB_FOG = 5,
- VERT_ATTRIB_SIX = 6,
+ VERT_ATTRIB_COLOR_INDEX = 6,
VERT_ATTRIB_SEVEN = 7,
VERT_ATTRIB_TEX0 = 8,
VERT_ATTRIB_TEX1 = 9,
VERT_ATTRIB_GENERIC1 = 17,
VERT_ATTRIB_GENERIC2 = 18,
VERT_ATTRIB_GENERIC3 = 19,
- VERT_ATTRIB_MAX = 16
+ VERT_ATTRIB_GENERIC4 = 20,
+ VERT_ATTRIB_GENERIC5 = 21,
+ VERT_ATTRIB_GENERIC6 = 22,
+ VERT_ATTRIB_GENERIC7 = 23,
+ VERT_ATTRIB_GENERIC8 = 24,
+ VERT_ATTRIB_GENERIC9 = 25,
+ VERT_ATTRIB_GENERIC10 = 26,
+ VERT_ATTRIB_GENERIC11 = 27,
+ VERT_ATTRIB_GENERIC12 = 28,
+ VERT_ATTRIB_GENERIC13 = 29,
+ VERT_ATTRIB_GENERIC14 = 30,
+ VERT_ATTRIB_GENERIC15 = 31,
+ VERT_ATTRIB_MAX = 32
};
/**
* These are used in bitfields in many places.
*/
/*@{*/
-#define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
-#define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
-#define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
-#define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
-#define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
-#define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
-#define VERT_BIT_SIX (1 << VERT_ATTRIB_SIX)
-#define VERT_BIT_SEVEN (1 << VERT_ATTRIB_SEVEN)
-#define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
-#define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
-#define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
-#define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
-#define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
-#define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
-#define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
-#define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
-#define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
-#define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
-#define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
-#define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
+#define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
+#define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
+#define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
+#define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
+#define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
+#define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
+#define VERT_BIT_COLOR_INDEX (1 << VERT_ATTRIB_COLOR_INDEX)
+#define VERT_BIT_SEVEN (1 << VERT_ATTRIB_SEVEN)
+#define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
+#define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
+#define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
+#define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
+#define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
+#define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
+#define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
+#define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
+#define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
+#define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
+#define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
+#define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
+#define VERT_BIT_GENERIC4 (1 << VERT_ATTRIB_GENERIC4)
+#define VERT_BIT_GENERIC5 (1 << VERT_ATTRIB_GENERIC5)
+#define VERT_BIT_GENERIC6 (1 << VERT_ATTRIB_GENERIC6)
+#define VERT_BIT_GENERIC7 (1 << VERT_ATTRIB_GENERIC7)
+#define VERT_BIT_GENERIC8 (1 << VERT_ATTRIB_GENERIC8)
+#define VERT_BIT_GENERIC9 (1 << VERT_ATTRIB_GENERIC9)
+#define VERT_BIT_GENERIC10 (1 << VERT_ATTRIB_GENERIC10)
+#define VERT_BIT_GENERIC11 (1 << VERT_ATTRIB_GENERIC11)
+#define VERT_BIT_GENERIC12 (1 << VERT_ATTRIB_GENERIC12)
+#define VERT_BIT_GENERIC13 (1 << VERT_ATTRIB_GENERIC13)
+#define VERT_BIT_GENERIC14 (1 << VERT_ATTRIB_GENERIC14)
+#define VERT_BIT_GENERIC15 (1 << VERT_ATTRIB_GENERIC15)
#define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
#define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g)))
/*@}*/
+/**
+ * GLSL allows shader writers to allocate vertex result attributes (varyings) in
+ * single float component granularity. This is in contrast to vertex / fragment
+ * programs, where result attributes (actually texcoords) were allocated
+ * in 4-component vectors of floats granularity.
+ * For performance reasons, it would be optimal to stick with this scheme on a scalar
+ * processor. Varyings will likely be allocated as 3-component vectors, so statistically
+ * we win 2 floats.
+ * The constant VARYINGS_PER_VECTOR tells us how much of float components we pack into
+ * one result vector. For scalar processor it would be 1, for vector processor - 4.
+ *
+ * NOTE: Currently we pack varyings into vertex attributes.
+ */
+#define VARYINGS_PER_VECTOR 2
+#define VARYING_EMIT_STYLE EMIT_2F
+#define MAX_VARYING_VECTORS ((MAX_VARYING_FLOATS + VARYINGS_PER_VECTOR - 1) / VARYINGS_PER_VECTOR)
+
+/**
+ * Indexes for vertex program result attributes
+ */
+/*@{*/
+#define VERT_RESULT_HPOS 0
+#define VERT_RESULT_COL0 1
+#define VERT_RESULT_COL1 2
+#define VERT_RESULT_FOGC 3
+#define VERT_RESULT_TEX0 4
+#define VERT_RESULT_TEX1 5
+#define VERT_RESULT_TEX2 6
+#define VERT_RESULT_TEX3 7
+#define VERT_RESULT_TEX4 8
+#define VERT_RESULT_TEX5 9
+#define VERT_RESULT_TEX6 10
+#define VERT_RESULT_TEX7 11
+#define VERT_RESULT_PSIZ 12
+#define VERT_RESULT_BFC0 13
+#define VERT_RESULT_BFC1 14
+#define VERT_RESULT_EDGE 15
+#define VERT_RESULT_MAX 16
+/*@}*/
+
/**
* Indexes for fragment program input attributes.
*/
-enum {
+enum
+{
FRAG_ATTRIB_WPOS = 0,
FRAG_ATTRIB_COL0 = 1,
FRAG_ATTRIB_COL1 = 2,
FRAG_ATTRIB_TEX4 = 8,
FRAG_ATTRIB_TEX5 = 9,
FRAG_ATTRIB_TEX6 = 10,
- FRAG_ATTRIB_TEX7 = 11
+ FRAG_ATTRIB_TEX7 = 11,
+ FRAG_ATTRIB_MAX = 12
};
-/*
- * Bitflags for fragment attributes.
+/**
+ * Bitflags for fragment program input attributes.
*/
/*@{*/
#define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
/**
- * Bits for each basic buffer in a complete framebuffer.
- * When glDrawBuffer(GL_FRONT_AND_BACK) is called (non-stereo),
- * _DrawDestMask will be set to (DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT),
- * for example. Also passed to ctx->Driver.Clear() to indicate which
- * buffers to clear.
+ * Fragment program results
*/
/*@{*/
-#define DD_FRONT_LEFT_BIT 0x1
-#define DD_FRONT_RIGHT_BIT 0x2
-#define DD_BACK_LEFT_BIT 0x4
-#define DD_BACK_RIGHT_BIT 0x8
-#define DD_AUX0_BIT 0x10
-#define DD_AUX1_BIT 0x20
-#define DD_AUX2_BIT 0x40
-#define DD_AUX3_BIT 0x80
-#define DD_DEPTH_BIT GL_DEPTH_BUFFER_BIT /* 0x00000100 */
-#define DD_ACCUM_BIT GL_ACCUM_BUFFER_BIT /* 0x00000200 */
-#define DD_STENCIL_BIT GL_STENCIL_BUFFER_BIT /* 0x00000400 */
+#define FRAG_RESULT_COLR 0
+#define FRAG_RESULT_COLH 1
+#define FRAG_RESULT_DEPR 2
+#define FRAG_RESULT_MAX 3
/*@}*/
+/**
+ * Indexes for all renderbuffers
+ */
+enum {
+ BUFFER_FRONT_LEFT = 0, /* the four standard color buffers */
+ BUFFER_BACK_LEFT = 1,
+ BUFFER_FRONT_RIGHT = 2,
+ BUFFER_BACK_RIGHT = 3,
+ BUFFER_AUX0 = 4, /* optional aux buffer */
+ BUFFER_AUX1 = 5,
+ BUFFER_AUX2 = 6,
+ BUFFER_AUX3 = 7,
+ BUFFER_DEPTH = 8,
+ BUFFER_STENCIL = 9,
+ BUFFER_ACCUM = 10,
+ BUFFER_COLOR0 = 11, /* generic renderbuffers */
+ BUFFER_COLOR1 = 12,
+ BUFFER_COLOR2 = 13,
+ BUFFER_COLOR3 = 14,
+ BUFFER_COLOR4 = 15,
+ BUFFER_COLOR5 = 16,
+ BUFFER_COLOR6 = 17,
+ BUFFER_COLOR7 = 18,
+ BUFFER_COUNT = 19
+};
+
+/**
+ * Bit flags for all renderbuffers
+ */
+#define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
+#define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
+#define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
+#define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
+#define BUFFER_BIT_AUX0 (1 << BUFFER_AUX0)
+#define BUFFER_BIT_AUX1 (1 << BUFFER_AUX1)
+#define BUFFER_BIT_AUX2 (1 << BUFFER_AUX2)
+#define BUFFER_BIT_AUX3 (1 << BUFFER_AUX3)
+#define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
+#define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
+#define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
+#define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
+#define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
+#define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
+#define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
+#define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
+#define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
+#define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
+#define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
+
+/**
+ * Mask of all the color buffer bits (but not accum).
+ */
+#define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
+ BUFFER_BIT_BACK_LEFT | \
+ BUFFER_BIT_FRONT_RIGHT | \
+ BUFFER_BIT_BACK_RIGHT | \
+ BUFFER_BIT_AUX0 | \
+ BUFFER_BIT_AUX1 | \
+ BUFFER_BIT_AUX2 | \
+ BUFFER_BIT_AUX3 | \
+ BUFFER_BIT_COLOR0 | \
+ BUFFER_BIT_COLOR1 | \
+ BUFFER_BIT_COLOR2 | \
+ BUFFER_BIT_COLOR3 | \
+ BUFFER_BIT_COLOR4 | \
+ BUFFER_BIT_COLOR5 | \
+ BUFFER_BIT_COLOR6 | \
+ BUFFER_BIT_COLOR7)
+
+
+
+
/**
* Data structure for color tables
*/
-struct gl_color_table {
- GLenum Format; /**< GL_ALPHA, GL_RGB, GL_RGB, etc */
- GLenum IntFormat;
+struct gl_color_table
+{
+ GLenum InternalFormat; /**< The user-specified format */
+ GLenum _BaseFormat; /**< GL_ALPHA, GL_RGBA, GL_RGB, etc */
GLuint Size; /**< number of entries (rows) in table */
GLvoid *Table; /**< points to data of <Type> */
GLenum Type; /**< GL_UNSIGNED_BYTE or GL_FLOAT */
/**
* 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;
GLfloat EyeDirection[4]; /**< spotlight dir in eye coordinates */
GLfloat SpotExponent;
GLfloat SpotCutoff; /**< in degrees */
+ GLfloat _CosCutoffNeg; /**< = cos(SpotCutoff) */
GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */
GLfloat ConstantAttenuation;
GLfloat LinearAttenuation;
* \name Derived fields
*/
/*@{*/
- GLuint _Flags; /**< State */
+ GLbitfield _Flags; /**< State */
GLfloat _Position[4]; /**< position in eye/obj coordinates */
GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite 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? */
/**
- * 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 */
GLubyte ColorMask[4]; /**< Each flag is 0xff or 0x0 */
GLenum DrawBuffer[MAX_DRAW_BUFFERS]; /**< Which buffer to draw into */
- GLbitfield _DrawDestMask[MAX_DRAW_BUFFERS];/**< bitmask of DD_*_BIT bits */
/**
* \name alpha testing
/*@}*/
GLboolean DitherFlag; /**< Dither enable flag */
+
+ GLenum ClampFragmentColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
+ GLenum ClampReadColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
};
/**
- * 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.
+ * \name Current vertex attributes.
+ * \note Values are valid only after FLUSH_VERTICES has been called.
*/
/*@{*/
- GLfloat Attrib[VERT_ATTRIB_MAX][4]; /**< Current vertex attributes
- * indexed by VERT_ATTRIB_* */
- GLfloat Index; /**< Current color index */
- GLboolean EdgeFlag; /**< Current edge flag */
+ GLfloat Attrib[VERT_ATTRIB_MAX][4]; /**< Position, color, texcoords, etc */
+ GLfloat Index; /**< Current color index */
+ GLboolean EdgeFlag; /**< Current edge flag */
/*@}*/
/**
- * \name Values are always valid.
- *
- * \note BTW, note how similar this set of attributes is to the SWvertex
- * data type in the software rasterizer...
+ * \name Current raster position attributes (always valid).
+ * \note This set of attributes is very similar to the SWvertex struct.
*/
/*@{*/
- GLfloat RasterPos[4]; /**< Current raster position */
- GLfloat RasterDistance; /**< Current raster distance */
- GLfloat RasterColor[4]; /**< Current raster color */
- GLfloat RasterSecondaryColor[4]; /**< Current raster secondary color */
- GLfloat RasterIndex; /**< Current raster index */
- GLfloat RasterTexCoords[MAX_TEXTURE_UNITS][4];/**< Current raster texcoords */
- GLboolean RasterPosValid; /**< Raster pos valid flag */
+ GLfloat RasterPos[4];
+ GLfloat RasterDistance;
+ GLfloat RasterColor[4];
+ GLfloat RasterSecondaryColor[4];
+ GLfloat RasterIndex;
+ GLfloat RasterTexCoords[MAX_TEXTURE_COORD_UNITS][4];
+ GLboolean RasterPosValid;
/*@}*/
};
/**
- * 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 */
GLboolean Mask; /**< Depth buffer writable? */
- GLboolean OcclusionTest; /**< GL_HP_occlusion_test */
GLboolean BoundsTest; /**< GL_EXT_depth_bounds_test */
GLfloat BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */
};
/**
- * glEnable()/glDisable() attributes.
+ * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
*/
-struct gl_enable_attrib {
+struct gl_enable_attrib
+{
GLboolean AlphaTest;
GLboolean AutoNormal;
GLboolean Blend;
- GLuint ClipPlanes;
+ GLbitfield ClipPlanes;
GLboolean ColorMaterial;
GLboolean ColorTable; /* SGI_color_table */
GLboolean PostColorMatrixColorTable; /* SGI_color_table */
GLboolean RescaleNormals;
GLboolean Scissor;
GLboolean Stencil;
+ GLboolean StencilTwoSide; /* GL_EXT_stencil_two_side */
GLboolean MultisampleEnabled; /* GL_ARB_multisample */
GLboolean SampleAlphaToCoverage; /* GL_ARB_multisample */
GLboolean SampleAlphaToOne; /* GL_ARB_multisample */
GLuint TexGen[MAX_TEXTURE_COORD_UNITS];
/* SGI_texture_color_table */
GLboolean TextureColorTable[MAX_TEXTURE_IMAGE_UNITS];
- /* GL_NV_vertex_program */
+ /* GL_ARB_vertex_program / GL_NV_vertex_program */
GLboolean VertexProgram;
GLboolean VertexProgramPointSize;
GLboolean VertexProgramTwoSide;
/* GL_ARB_point_sprite / GL_NV_point_sprite */
GLboolean PointSprite;
+ GLboolean FragmentShaderATI;
};
/**
- * 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 */
GLenum Mode; /**< Fog mode */
GLboolean ColorSumEnabled;
GLenum FogCoordinateSource; /**< GL_EXT_fog_coord */
+ GLfloat _Scale; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */
};
/**
- * 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;
GLenum ClipVolumeClipping; /**< GL_EXT_clip_volume_hint */
GLenum TextureCompression; /**< GL_ARB_texture_compression */
GLenum GenerateMipmap; /**< GL_SGIS_generate_mipmap */
+ GLenum FragmentShaderDerivative; /**< GL_ARB_fragment_shader */
};
/**
* 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 */
/**
GLenum ShadeModel; /**< GL_FLAT or GL_SMOOTH */
GLenum ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */
GLenum ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */
- GLuint ColorMaterialBitmask; /**< bitmask formed from Face and Mode */
+ GLbitfield ColorMaterialBitmask; /**< bitmask formed from Face and Mode */
GLboolean ColorMaterialEnabled;
struct gl_light EnabledList; /**< List sentinel */
/**
- * Derived for optimizations:
+ * Derived state for optimizations:
*/
/*@{*/
GLboolean _NeedEyeCoords;
GLboolean _NeedVertices; /**< Use fast shader? */
- GLuint _Flags; /**< LIGHT_* flags, see above */
+ GLbitfield _Flags; /**< LIGHT_* flags, see above */
GLfloat _BaseColor[2][3];
/*@}*/
};
/**
- * 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 {
- GLenum ReadBuffer; /**< source buffer for glReadPixels()/glCopyPixels() */
- GLubyte _ReadSrcMask; /**< Not really a mask, but like _DrawDestMask
- *
- * May be: FRONT_LEFT_BIT, BACK_LEFT_BIT,
- * FRONT_RIGHT_BIT or BACK_RIGHT_BIT. */
+struct gl_pixel_attrib
+{
+ GLenum ReadBuffer; /**< source buffer for glRead/CopyPixels() */
GLfloat RedBias, RedScale;
GLfloat GreenBias, GreenScale;
GLfloat BlueBias, BlueScale;
GLint MapBtoBsize;
GLint MapAtoAsize;
GLint MapStoS[MAX_PIXEL_MAP_TABLE]; /**< Pixel map tables */
- GLint MapItoI[MAX_PIXEL_MAP_TABLE];
+ GLfloat MapItoI[MAX_PIXEL_MAP_TABLE];
GLfloat MapItoR[MAX_PIXEL_MAP_TABLE];
GLfloat MapItoG[MAX_PIXEL_MAP_TABLE];
GLfloat MapItoB[MAX_PIXEL_MAP_TABLE];
/** GL_EXT_histogram */
GLboolean HistogramEnabled;
GLboolean MinMaxEnabled;
- /** GL_SGIS_pixel_texture */
- GLboolean PixelTextureEnabled;
- GLenum FragmentRgbSource;
- GLenum FragmentAlphaSource;
/** GL_SGI_color_matrix */
GLfloat PostColorMatrixScale[4]; /**< RGBA */
GLfloat PostColorMatrixBias[4]; /**< RGBA */
/**
- * 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 */
GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */
GLfloat Threshold; /**< GL_EXT_point_parameters */
GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */
- GLboolean PointSprite; /**< GL_NV_point_sprite / GL_NV_point_sprite */
- GLboolean CoordReplace[MAX_TEXTURE_UNITS]; /**< GL_NV_point_sprite / GL_NV_point_sprite */
+ GLboolean PointSprite; /**< GL_NV/ARB_point_sprite */
+ GLboolean CoordReplace[MAX_TEXTURE_COORD_UNITS]; /**< GL_ARB_point_sprite */
GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */
GLenum SpriteOrigin; /**< GL_ARB_point_sprite */
};
/**
- * 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) */
+ GLboolean _TestTwoSide;
GLenum Function[2]; /**< Stencil function */
GLenum FailFunc[2]; /**< Fail function */
GLenum ZPassFunc[2]; /**< Depth buffer pass function */
GLenum ZFailFunc[2]; /**< Depth buffer fail function */
- GLstencil Ref[2]; /**< Reference value */
- GLstencil ValueMask[2]; /**< Value mask */
- GLstencil WriteMask[2]; /**< Write mask */
- GLstencil Clear; /**< Clear value */
+ GLint Ref[2]; /**< Reference value */
+ GLuint ValueMask[2]; /**< Value mask */
+ GLuint WriteMask[2]; /**< Write mask */
+ GLuint Clear; /**< Clear value */
};
GLfloat *texelOut );
+typedef void (*StoreTexelFunc)(struct gl_texture_image *texImage,
+ GLint col, GLint row, GLint img,
+ const void *texel);
+
+
/**
- * TexImage store function. This is called by the glTex[Sub]Image
- * functions and is responsible for converting the user-specified texture
- * image into a specific (hardware) image format.
+ * This macro defines the (many) parameters to the texstore functions.
+ * \param dims either 1 or 2 or 3
+ * \param baseInternalFormat user-specified base internal format
+ * \param dstFormat destination Mesa texture format
+ * \param dstAddr destination image address
+ * \param dstX/Y/Zoffset destination x/y/z offset (ala TexSubImage), in texels
+ * \param dstRowStride destination image row stride, in bytes
+ * \param dstImageOffsets offset of each 2D slice within 3D texture, in texels
+ * \param srcWidth/Height/Depth source image size, in pixels
+ * \param srcFormat incoming image format
+ * \param srcType incoming image data type
+ * \param srcAddr source image address
+ * \param srcPacking source image packing parameters
*/
-typedef GLboolean (*StoreTexImageFunc)(GLcontext *ctx, GLuint dims,
- GLenum baseInternalFormat,
- const struct gl_texture_format *dstFormat,
- GLvoid *dstAddr,
- GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
- GLint dstRowStride, GLint dstImageStride,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- GLenum srcFormat, GLenum srcType,
- const GLvoid *srcAddr,
- const struct gl_pixelstore_attrib *srcPacking);
+#define TEXSTORE_PARAMS \
+ GLcontext *ctx, GLuint dims, \
+ GLenum baseInternalFormat, \
+ const struct gl_texture_format *dstFormat, \
+ GLvoid *dstAddr, \
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
+ GLint dstRowStride, const GLuint *dstImageOffsets, \
+ GLint srcWidth, GLint srcHeight, GLint srcDepth, \
+ GLenum srcFormat, GLenum srcType, \
+ const GLvoid *srcAddr, \
+ const struct gl_pixelstore_attrib *srcPacking
+
+
+/**
+ * Texture image storage function.
+ */
+typedef GLboolean (*StoreTexImageFunc)(TEXSTORE_PARAMS);
/**
* 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,
GLubyte IntensityBits;
GLubyte IndexBits;
GLubyte DepthBits;
+ GLubyte StencilBits; /**< GL_EXT_packed_depth_stencil */
GLuint TexelBytes; /**< Bytes per texel, 0 if compressed format */
FetchTexelFuncF FetchTexel2Df;
FetchTexelFuncF FetchTexel3Df;
/*@}*/
+
+ StoreTexelFunc StoreTexel;
};
+#define MAX_3D_TEXTURE_SIZE (1 << (MAX_3D_TEXTURE_LEVELS - 1))
+
/**
- * 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 {
- GLenum Format; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
+struct gl_texture_image
+{
+ GLenum _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
* GL_LUMINANCE, GL_LUMINANCE_ALPHA,
- * GL_INTENSITY, GL_COLOR_INDEX or
- * GL_DEPTH_COMPONENT only.
- * Used for choosing TexEnv arithmetic.
+ * GL_INTENSITY, GL_COLOR_INDEX,
+ * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT
+ * only. Used for choosing TexEnv arithmetic.
*/
- GLint IntFormat; /**< Internal format as given by the user */
+ GLint InternalFormat; /**< Internal format as given by the user */
GLuint Border; /**< 0 or 1 */
GLuint Width; /**< = 2^WidthLog2 + 2*Border */
GLuint Height; /**< = 2^HeightLog2 + 2*Border */
GLuint Depth; /**< = 2^DepthLog2 + 2*Border */
- GLuint RowStride; /**< == Width unless IsClientData and padded */
GLuint Width2; /**< = Width - 2*Border */
GLuint Height2; /**< = Height - 2*Border */
GLuint Depth2; /**< = Depth - 2*Border */
GLfloat WidthScale; /**< used for mipmap LOD computation */
GLfloat HeightScale; /**< used for mipmap LOD computation */
GLfloat DepthScale; /**< used for mipmap LOD computation */
- GLvoid *Data; /**< Image data, accessed via FetchTexel() */
GLboolean IsClientData; /**< Data owned by client? */
GLboolean _IsPowerOfTwo; /**< Are all dimensions powers of two? */
GLboolean IsCompressed; /**< GL_ARB_texture_compression */
GLuint CompressedSize; /**< GL_ARB_texture_compression */
+ GLuint RowStride; /**< == Width unless IsClientData and padded */
+ GLuint *ImageOffsets; /**< if 3D texture: array [Depth] of offsets to
+ each 2D slice in 'Data', in texels */
+ GLvoid *Data; /**< Image data, accessed via FetchTexel() */
+
/**
* \name For device driver:
*/
/**
- * 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? */
- GLuint Name; /**< an unsigned integer */
+ GLuint Name; /**< the user-visible texture object ID */
GLenum Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
GLfloat Priority; /**< in [0,1] */
GLfloat BorderColor[4]; /**< unclamped */
GLchan _BorderChan[4]; /**< clamped, as GLchan */
- /** \name Wrap modes
- * Are GL_CLAMP, REPEAT, GL_CLAMP_TO_EDGE, and GL_CLAMP_TO_BORDER_ARB. */
- /*@{*/
- GLenum WrapS;
- GLenum WrapT;
- GLenum WrapR;
- /*@}*/
+ GLenum WrapS; /**< S-axis texture image wrap mode */
+ GLenum WrapT; /**< T-axis texture image wrap mode */
+ GLenum WrapR; /**< R-axis texture image wrap mode */
GLenum MinFilter; /**< minification filter */
GLenum MagFilter; /**< magnification filter */
GLfloat MinLod; /**< min lambda, OpenGL 1.2 */
GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
GLboolean CompareFlag; /**< GL_SGIX_shadow */
GLenum CompareOperator; /**< GL_SGIX_shadow */
- GLfloat ShadowAmbient;
+ GLfloat ShadowAmbient; /**< GL_ARB_shadow_ambient */
GLenum CompareMode; /**< GL_ARB_shadow */
GLenum CompareFunc; /**< GL_ARB_shadow */
GLenum DepthMode; /**< GL_ARB_depth_texture */
GLint _MaxLevel; /**< actual max mipmap level (q in the spec) */
GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - b in spec) */
GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */
- GLboolean _IsPowerOfTwo; /**< Are all image dimensions powers of two? */
+ GLboolean Complete; /**< Is texture object complete? */
+ /** Actual texture images, indexed by [cube face] and [mipmap level] */
struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS];
/** GL_EXT_paletted_texture */
struct gl_color_table Palette;
- GLboolean Complete; /**< Is texture object complete? */
- struct gl_texture_object *Next; /**< Next in linked list */
/**
- * \name For device driver
+ * \name For device driver.
+ * Note: instead of attaching driver data to this pointer, it's preferable
+ * to instead use this struct as a base class for your own texture object
+ * class. Driver->NewTextureObject() can be used to implement the
+ * allocation.
*/
- /*@{*/
void *DriverData; /**< Arbitrary device driver data */
- /*@}*/
};
* 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 {
- GLuint Enabled; /**< bitmask of TEXTURE_*_BIT flags */
- GLuint _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */
+struct gl_texture_unit
+{
+ GLbitfield Enabled; /**< bitmask of TEXTURE_*_BIT flags */
+ GLbitfield _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */
GLenum EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
GLfloat EnvColor[4];
- GLuint TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */
+ GLbitfield TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */
/** \name Tex coord generation mode
* Either GL_OBJECT_LINEAR, GL_EYE_LINEAR or GL_SPHERE_MAP. */
/*@{*/
GLenum GenModeR;
GLenum GenModeQ;
/*@}*/
- GLuint _GenBitS;
- GLuint _GenBitT;
- GLuint _GenBitR;
- GLuint _GenBitQ;
- GLuint _GenFlags; /**< bitwise or of GenBit[STRQ] */
+ GLbitfield _GenBitS;
+ GLbitfield _GenBitT;
+ GLbitfield _GenBitR;
+ GLbitfield _GenBitQ;
+ GLbitfield _GenFlags; /**< bitwise or of GenBit[STRQ] */
GLfloat ObjectPlaneS[4];
GLfloat ObjectPlaneT[4];
GLfloat ObjectPlaneR[4];
GLboolean ColorTableEnabled;
};
+struct texenvprog_cache {
+ GLuint hash;
+ void *key;
+ void *data;
+ struct texenvprog_cache *next;
+};
/**
- * Texture attributes
+ * Texture attribute group (GL_TEXTURE_BIT).
*/
-struct gl_texture_attrib {
+struct gl_texture_attrib
+{
/**
* name multitexture
*/
/**@{*/
- GLuint CurrentUnit; /**< Active texture unit */
- GLuint _EnabledUnits; /**< one bit set for each really-enabled unit */
- GLuint _EnabledCoordUnits; /**< one bit per enabled coordinate unit */
- GLuint _GenFlags; /**< for texgen */
- GLuint _TexGenEnabled;
- GLuint _TexMatEnabled;
+ GLuint CurrentUnit; /**< Active texture unit */
+ GLbitfield _EnabledUnits; /**< one bit set for each really-enabled unit */
+ GLbitfield _EnabledCoordUnits; /**< one bit per enabled coordinate unit */
+ GLbitfield _GenFlags; /**< for texgen */
+ GLbitfield _TexGenEnabled;
+ GLbitfield _TexMatEnabled;
/**@}*/
struct gl_texture_unit Unit[MAX_TEXTURE_UNITS];
/** GL_EXT_shared_texture_palette */
GLboolean SharedPalette;
struct gl_color_table Palette;
+
+ /** Cached texenv fragment programs */
+ struct texenvprog_cache *env_fp_cache;
};
/**
- * 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 */
- GLuint ClipPlanesEnabled; /**< on/off bitmask */
+ GLbitfield ClipPlanesEnabled; /**< on/off bitmask */
GLboolean Normalize; /**< Normalize all normals? */
GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */
GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */
/**
- * 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;
GLenum Access;
GLvoid *Pointer; /**< Only valid while buffer is mapped */
- GLuint Size; /**< Size of storage in bytes */
+ GLsizeiptrARB Size; /**< Size of storage in bytes */
GLubyte *Data; /**< Location of storage either in RAM or VRAM. */
GLboolean OnCard; /**< Is buffer in VRAM? (hardware drivers) */
- GLboolean DeletePending; /**< Deleted by user but RefCount > 0? */
};
/**
* 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 */
GLsizei StrideB; /**< actual stride in bytes */
const GLubyte *Ptr; /**< Points to array data */
- GLuint Enabled; /**< one of the _NEW_ARRAY_ bits */
+ GLbitfield Enabled; /**< one of the _NEW_ARRAY_ bits */
GLboolean Normalized; /**< GL_ARB_vertex_program */
/**< GL_ARB_vertex_buffer_object */
struct gl_buffer_object *BufferObj;
GLuint _MaxElement;
- GLuint Flags;
+ GLbitfield Flags;
};
/**
* Vertex array state
*/
-struct gl_array_attrib {
- struct gl_client_array Vertex; /**< client data descriptors */
+struct gl_array_attrib
+{
+ /** Conventional vertex arrays */
+ /*@{*/
+ struct gl_client_array Vertex;
struct gl_client_array Normal;
struct gl_client_array Color;
struct gl_client_array SecondaryColor;
struct gl_client_array Index;
struct gl_client_array TexCoord[MAX_TEXTURE_COORD_UNITS];
struct gl_client_array EdgeFlag;
+ /*@}*/
- struct gl_client_array VertexAttrib[VERT_ATTRIB_MAX]; /**< GL_NV_vertex_program */
+ /** Generic arrays for vertex programs/shaders; */
+ struct gl_client_array VertexAttrib[VERT_ATTRIB_MAX];
GLint ActiveTexture; /**< Client Active Texture */
GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */
GLuint LockCount; /**< GL_EXT_compiled_vertex_array */
- GLuint _Enabled; /**< _NEW_ARRAY_* - bit set if array enabled */
- GLuint NewState; /**< _NEW_ARRAY_* */
+ GLbitfield _Enabled; /**< mask of _NEW_ARRAY_* values */
+ GLbitfield NewState; /**< mask of _NEW_ARRAY_* values */
#if FEATURE_ARB_vertex_buffer_object
struct gl_buffer_object *NullBufferObj;
/**
* Feedback buffer state
*/
-struct gl_feedback {
+struct gl_feedback
+{
GLenum Type;
- GLuint _Mask; /* FB_* bits */
+ GLbitfield _Mask; /* FB_* bits */
GLfloat *Buffer;
GLuint BufferSize;
GLuint Count;
/**
* 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 */
/**
- * NV_fragment_program runtime state
+ * State used during execution of fragment programs.
*/
struct fp_machine
{
/**
- * Names of the various vertex/fragment register files
+ * Names of the various vertex/fragment program register files, etc.
+ * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
+ * All values should fit in a 4-bit field.
*/
enum register_file
{
- PROGRAM_TEMPORARY = 10,
- PROGRAM_INPUT,
- PROGRAM_OUTPUT,
- PROGRAM_LOCAL_PARAM,
- PROGRAM_ENV_PARAM,
- PROGRAM_NAMED_PARAM,
- PROGRAM_STATE_VAR,
- PROGRAM_WRITE_ONLY,
- PROGRAM_ADDRESS
+ PROGRAM_TEMPORARY = 0,
+ PROGRAM_LOCAL_PARAM = 1,
+ PROGRAM_ENV_PARAM = 2,
+ PROGRAM_STATE_VAR = 3,
+ PROGRAM_INPUT = 4,
+ PROGRAM_OUTPUT = 5,
+ PROGRAM_NAMED_PARAM = 6,
+ PROGRAM_CONSTANT = 7,
+ PROGRAM_WRITE_ONLY = 8,
+ PROGRAM_ADDRESS = 9,
+ PROGRAM_UNDEFINED = 15 /* invalid value */
};
/** Vertex and fragment instructions */
-struct vp_instruction;
-struct fp_instruction;
-
+struct prog_instruction;
struct program_parameter_list;
{
GLuint Id;
GLubyte *String; /**< Null-terminated program text */
- GLboolean DeletePending; /**< User called glDeletePrograms? */
GLint RefCount;
GLenum Target;
GLenum Format; /**< String encoding format */
GLboolean Resident;
+
+ struct prog_instruction *Instructions;
+
+ GLbitfield InputsRead; /* Bitmask of which input regs are read */
+ GLbitfield OutputsWritten; /* Bitmask of which output regs are written to */
+
+ /** Named parameters, constants, etc. from program text */
+ struct program_parameter_list *Parameters;
+ /** Numbered local parameters */
GLfloat LocalParams[MAX_PROGRAM_LOCAL_PARAMS][4];
- GLuint NumInstructions; /* GL_ARB_vertex/fragment_program */
+
+ /** Logical counts */
+ /*@{*/
+ GLuint NumInstructions;
GLuint NumTemporaries;
GLuint NumParameters;
GLuint NumAttributes;
GLuint NumAddressRegs;
+ /*@}*/
+ /** Native, actual h/w counts */
+ /*@{*/
+ GLuint NumNativeInstructions;
+ GLuint NumNativeTemporaries;
+ GLuint NumNativeParameters;
+ GLuint NumNativeAttributes;
+ GLuint NumNativeAddressRegs;
+ /*@}*/
};
struct vertex_program
{
struct program Base; /* base class */
- struct vp_instruction *Instructions; /* Compiled instructions */
GLboolean IsNVProgram; /* GL_NV_vertex_program ? */
- GLboolean IsPositionInvariant; /* GL_NV_vertex_program1_1 */
- GLuint InputsRead; /* Bitmask of which input regs are read */
- GLuint OutputsWritten; /* Bitmask of which output regs are written to */
- struct program_parameter_list *Parameters; /**< array [NumParameters] */
+ GLboolean IsPositionInvariant; /* GL_ARB_vertex_program / GL_NV_vertex_program1_1 */
+ void *TnlData; /* should probably use Base.DriverData */
};
struct fragment_program
{
struct program Base; /**< base class */
- struct fp_instruction *Instructions; /**< Compiled instructions */
- GLuint InputsRead; /**< Bitmask of which input regs are read */
- GLuint OutputsWritten; /**< Bitmask of which output regs are written to */
- GLuint TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_INDEX bitmask */
+ GLbitfield TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_BIT bitmask */
GLuint NumAluInstructions; /**< GL_ARB_fragment_program */
GLuint NumTexInstructions;
GLuint NumTexIndirections;
+ GLuint NumNativeAluInstructions; /**< GL_ARB_fragment_program */
+ GLuint NumNativeTexInstructions;
+ GLuint NumNativeTexIndirections;
GLenum FogOption;
- struct program_parameter_list *Parameters; /**< array [NumParameters] */
-
-#ifdef USE_TCC
- char c_str[4096]; /* experimental... */
- int c_strlen;
-#endif
+ GLboolean UsesKill;
};
/**
* State common to vertex and fragment programs.
*/
-struct program_state {
- GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_NV */
- const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_NV */
+struct gl_program_state
+{
+ GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
+ const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_ARB/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? */
- GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_NV */
- GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_NV */
+ GLboolean Enabled; /**< GL_VERTEX_PROGRAM_ARB/NV */
+ GLboolean _Enabled; /**< Enabled and valid program? */
+ GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
+ GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
struct vertex_program *Current; /**< ptr to currently bound program */
+ struct vertex_program *_Current; /**< ptr to currently bound
+ program, including internal
+ (t_vp_build.c) programs */
GLenum TrackMatrix[MAX_NV_VERTEX_PROGRAM_PARAMS / 4];
GLenum TrackMatrixTransform[MAX_NV_VERTEX_PROGRAM_PARAMS / 4];
};
-/*
- * State for GL_ARB/NV_fragment_program
+/**
+ * Context 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? */
+ GLboolean _Enabled; /* Enabled and valid program? */
+ GLboolean _Active;
struct fragment_program *Current; /* ptr to currently bound program */
+ struct fragment_program *_Current; /* ptr to currently active program
+ (including internal programs) */
struct fp_machine Machine; /* machine state */
GLfloat Parameters[MAX_NV_FRAGMENT_PROGRAM_PARAMS][4]; /* Env params */
};
-/*
- * State for GL_ARB_occlusion_query
+/**
+ * ATI_fragment_shader runtime state
+ */
+#define ATI_FS_INPUT_PRIMARY 0
+#define ATI_FS_INPUT_SECONDARY 1
+
+struct atifs_instruction;
+struct atifs_setupinst;
+
+/**
+ * State for executing ATI fragment shader.
+ */
+struct atifs_machine
+{
+ GLfloat Registers[6][4]; /** six temporary registers */
+ GLfloat PrevPassRegisters[6][4];
+ GLfloat Inputs[2][4]; /** Primary, secondary input colors */
+};
+
+
+/**
+ * ATI fragment shader
+ */
+struct ati_fragment_shader
+{
+ GLuint Id;
+ GLint RefCount;
+ struct atifs_instruction *Instructions[2];
+ struct atifs_setupinst *SetupInst[2];
+ GLfloat Constants[8][4];
+ GLbitfield LocalConstDef; /** Indicates which constants have been set */
+ GLubyte numArithInstr[2];
+ GLubyte regsAssigned[2];
+ GLubyte NumPasses; /** 1 or 2 */
+ GLubyte cur_pass;
+ GLubyte last_optype;
+ GLboolean interpinp1;
+ GLboolean isValid;
+ GLuint swizzlerq;
+};
+
+/**
+ * Context state for GL_ATI_fragment_shader
*/
-struct occlusion_state
+struct gl_ati_fragment_shader_state
+{
+ GLboolean Enabled;
+ GLboolean _Enabled; /** enabled and valid shader? */
+ GLboolean Compiling;
+ GLfloat GlobalConstants[8][4];
+ struct atifs_machine Machine; /* machine state */
+ struct ati_fragment_shader *Current;
+};
+
+
+/**
+ * Occlusion/timer query object.
+ */
+struct gl_query_object
+{
+ GLuint Id;
+ GLuint64EXT Result; /* the counter */
+ GLboolean Active; /* inside Begin/EndQuery */
+ GLboolean Ready; /* result is ready */
+};
+
+
+/**
+ * Context state for query objects.
+ */
+struct gl_query_state
{
- GLboolean Active;
- GLuint CurrentQueryObject;
- GLuint PassedCounter;
struct _mesa_HashTable *QueryObjects;
+ struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */
+ struct gl_query_object *CurrentTimerObject; /* GL_EXT_timer_query */
+};
+
+
+/**
+ * Context state for vertex/fragment shaders.
+ */
+struct gl_shader_objects_state
+{
+ struct gl2_program_intf **CurrentProgram;
+ GLboolean _VertexShaderPresent;
+ GLboolean _FragmentShaderPresent;
};
GLint RefCount; /**< Reference count */
struct _mesa_HashTable *DisplayList; /**< Display lists hash table */
struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */
- struct gl_texture_object *TexObjectList;/**< Linked list of texture objects */
/**
* \name Default texture objects (shared by all multi-texture units)
/*@}*/
/**
- * \name GL_NV_vertex/_program
+ * \name Vertex/fragment programs
*/
/*@{*/
- struct _mesa_HashTable *Programs;
+ struct _mesa_HashTable *Programs; /**< All vertex/fragment programs */
#if FEATURE_ARB_vertex_program
struct program *DefaultVertexProgram;
#endif
#endif
/*@}*/
-#if FEATURE_ARB_vertex_buffer_object
+#if FEATURE_ATI_fragment_shader
+ struct _mesa_HashTable *ATIShaders;
+ struct ati_fragment_shader *DefaultFragmentShader;
+#endif
+
+#if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
struct _mesa_HashTable *BufferObjects;
#endif
+ struct _mesa_HashTable *GL2Objects;
+
+#if FEATURE_EXT_framebuffer_object
+ struct _mesa_HashTable *RenderBuffers;
+ struct _mesa_HashTable *FrameBuffers;
+#endif
+
void *DriverData; /**< Device driver shared state */
};
+
+
/**
- * Frame buffer.
+ * A renderbuffer stores colors or depth values or stencil values.
+ * A framebuffer object will have a collection of these.
+ * Data are read/written to the buffer with a handful of Get/Put functions.
*
- * A "frame buffer" is a color buffer and its optional ancillary buffers:
- * depth, accum, stencil, and software-simulated alpha buffers.
+ * Instances of this object are allocated with the Driver's NewRenderbuffer
+ * hook. Drivers will likely wrap this class inside a driver-specific
+ * class to simulate inheritance.
+ */
+struct gl_renderbuffer
+{
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLuint ClassID; /**< Useful for drivers */
+ GLuint Name;
+ GLint RefCount;
+ GLuint Width, Height;
+ GLenum InternalFormat; /**< The user-specified format */
+ GLenum _ActualFormat; /**< The driver-chosen format */
+ GLenum _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
+ GL_STENCIL_INDEX. */
+ GLenum DataType; /**< Type of values passed to the Get/Put functions */
+ GLubyte RedBits; /**< Bits of red per pixel */
+ GLubyte GreenBits;
+ GLubyte BlueBits;
+ GLubyte AlphaBits;
+ GLubyte IndexBits;
+ GLubyte DepthBits;
+ GLubyte StencilBits;
+ GLvoid *Data;
+
+ /* Used to wrap one renderbuffer around another: */
+ struct gl_renderbuffer *Wrapped;
+
+ /* Delete this renderbuffer */
+ void (*Delete)(struct gl_renderbuffer *rb);
+
+ /* Allocate new storage for this renderbuffer */
+ GLboolean (*AllocStorage)(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat,
+ GLuint width, GLuint height);
+
+ /* Lock/Unlock are called before/after calling the Get/Put functions.
+ * Not sure this is the right place for these yet.
+ void (*Lock)(GLcontext *ctx, struct gl_renderbuffer *rb);
+ void (*Unlock)(GLcontext *ctx, struct gl_renderbuffer *rb);
+ */
+
+ /* Return a pointer to the element/pixel at (x,y).
+ * Should return NULL if the buffer memory can't be directly addressed.
+ */
+ void *(*GetPointer)(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLint x, GLint y);
+
+ /* Get/Read a row of values.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*GetRow)(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, void *values);
+
+ /* Get/Read values at arbitrary locations.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*GetValues)(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+ const GLint x[], const GLint y[], void *values);
+
+ /* Put/Write a row of values.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutRow)(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, const void *values, const GLubyte *mask);
+
+ /* Put/Write a row of RGB values. This is a special-case routine that's
+ * only used for RGBA renderbuffers when the source data is GL_RGB. That's
+ * a common case for glDrawPixels and some triangle routines.
+ * The values will be of format GL_RGB and type DataType.
+ */
+ void (*PutRowRGB)(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, const void *values, const GLubyte *mask);
+
+
+ /* Put/Write a row of identical values.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutMonoRow)(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, const void *value, const GLubyte *mask);
+
+ /* Put/Write values at arbitrary locations.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutValues)(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+ const GLint x[], const GLint y[], const void *values,
+ const GLubyte *mask);
+ /* Put/Write identical values at arbitrary locations.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutMonoValues)(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLuint count, const GLint x[], const GLint y[],
+ const void *value, const GLubyte *mask);
+};
+
+
+/**
+ * A renderbuffer attachment point points to either a texture object
+ * (and specifies a mipmap level, cube face or 3D texture slice) or
+ * points to a renderbuffer.
+ */
+struct gl_renderbuffer_attachment
+{
+ GLenum Type; /* GL_NONE or GL_TEXTURE or GL_RENDERBUFFER_EXT */
+ GLboolean Complete;
+
+ /* IF Type == GL_RENDERBUFFER_EXT: */
+ struct gl_renderbuffer *Renderbuffer;
+
+ /* IF Type == GL_TEXTURE: */
+ struct gl_texture_object *Texture;
+ GLuint TextureLevel;
+ GLuint CubeMapFace; /* 0 .. 5, for cube map textures */
+ GLuint Zoffset; /* for 3D textures */
+};
+
+
+/**
+ * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
* In C++ terms, think of this as a base class from which device drivers
* will make derived classes.
*/
-struct gl_frame_buffer
+struct gl_framebuffer
{
- GLvisual Visual; /**< The corresponding visual */
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLuint Name; /* if zero, this is a window system framebuffer */
+ GLint RefCount;
- GLuint Width, Height; /**< size of frame buffer in pixels */
+ GLvisual Visual; /**< The framebuffer's visual.
+ Immutable if this is a window system buffer.
+ Computed from attachments if user-made FBO. */
- GLboolean UseSoftwareDepthBuffer;
- GLboolean UseSoftwareAccumBuffer;
- GLboolean UseSoftwareStencilBuffer;
- GLboolean UseSoftwareAlphaBuffers;
- GLboolean UseSoftwareAuxBuffers;
+ GLboolean Initialized;
- /** \name Software depth (aka Z) buffer */
- /*@{*/
- GLvoid *DepthBuffer; /**< array [Width*Height] of GLushort or GLuint*/
- /*@}*/
+ GLuint Width, Height; /**< size of frame buffer in pixels */
- /** \name Software stencil buffer */
+ /** \name Drawing bounds (Intersection of buffer size and scissor box) */
/*@{*/
- GLstencil *Stencil; /**< array [Width*Height] of GLstencil values */
+ GLint _Xmin, _Xmax; /**< inclusive */
+ GLint _Ymin, _Ymax; /**< exclusive */
/*@}*/
- /** \name Software accumulation buffer */
+ /** \name Derived Z buffer stuff */
/*@{*/
- GLaccum *Accum; /**< array [4*Width*Height] of GLaccum values */
+ GLuint _DepthMax; /**< Max depth buffer value */
+ GLfloat _DepthMaxF; /**< Float max depth buffer value */
+ GLfloat _MRD; /**< minimum resolvable difference in Z values */
/*@}*/
- /** \name Software alpha planes */
- /*@{*/
- GLchan *FrontLeftAlpha; /**< array [Width*Height] of GLchan */
- GLchan *BackLeftAlpha; /**< array [Width*Height] of GLchan */
- GLchan *FrontRightAlpha; /**< array [Width*Height] of GLchan */
- GLchan *BackRightAlpha; /**< array [Width*Height] of GLchan */
- /*@}*/
+ GLenum _Status; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
- GLchan *AuxBuffers[MAX_AUX_BUFFERS];
+ /* Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
+ struct gl_renderbuffer_attachment Attachment[BUFFER_COUNT];
- /**
- * \name Drawing bounds
- *
- * Intersection of window size and scissor box
+ /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
+ * attribute group and GL_PIXEL attribute group, respectively.
*/
- /*@{*/
- GLint _Xmin; /**< inclusive */
- GLint _Ymin; /**< inclusive */
- GLint _Xmax; /**< exclusive */
- GLint _Ymax; /**< exclusive */
- /*@}*/
+ GLenum ColorDrawBuffer[MAX_DRAW_BUFFERS];
+ GLenum ColorReadBuffer;
+
+ /* These are computed from ColorDrawBuffer and ColorReadBuffer */
+ GLbitfield _ColorDrawBufferMask[MAX_DRAW_BUFFERS]; /* Mask of BUFFER_BIT_* flags */
+ GLint _ColorReadBufferIndex; /* -1 = None */
+
+ /* These are computed from _ColorDrawBufferMask and _ColorReadBufferIndex */
+ GLuint _NumColorDrawBuffers[MAX_DRAW_BUFFERS];
+ struct gl_renderbuffer *_ColorDrawBuffers[MAX_DRAW_BUFFERS][4];
+ struct gl_renderbuffer *_ColorReadBuffer;
+
+ /** The Actual depth/stencil buffers to use. May be wrappers around the
+ * depth/stencil buffers attached above. */
+ struct gl_renderbuffer *_DepthBuffer;
+ struct gl_renderbuffer *_StencilBuffer;
+
+ /** Delete this framebuffer */
+ void (*Delete)(struct gl_framebuffer *fb);
+};
+
+
+/**
+ * Limits for vertex and fragment programs.
+ */
+struct gl_program_constants
+{
+ /* logical limits */
+ GLuint MaxInstructions;
+ GLuint MaxAluInstructions; /* fragment programs only, for now */
+ GLuint MaxTexInstructions; /* fragment programs only, for now */
+ GLuint MaxTexIndirections; /* fragment programs only, for now */
+ GLuint MaxAttribs;
+ GLuint MaxTemps;
+ GLuint MaxAddressRegs; /* vertex program only, for now */
+ GLuint MaxParameters;
+ GLuint MaxLocalParams;
+ GLuint MaxEnvParams;
+ /* native/hardware limits */
+ GLuint MaxNativeInstructions;
+ GLuint MaxNativeAluInstructions; /* fragment programs only, for now */
+ GLuint MaxNativeTexInstructions; /* fragment programs only, for now */
+ GLuint MaxNativeTexIndirections; /* fragment programs only, for now */
+ GLuint MaxNativeAttribs;
+ GLuint MaxNativeTemps;
+ GLuint MaxNativeAddressRegs; /* vertex program only, for now */
+ GLuint MaxNativeParameters;
};
GLint MaxTextureRectSize; /* GL_NV_texture_rectangle */
GLuint MaxTextureCoordUnits;
GLuint MaxTextureImageUnits;
- GLuint MaxTextureUnits; /* = MAX(CoordUnits, ImageUnits) */
+ GLuint MaxTextureUnits; /* = MIN(CoordUnits, ImageUnits) */
GLfloat MaxTextureMaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */
GLfloat MaxTextureLodBias; /* GL_EXT_texture_lod_bias */
GLuint MaxArrayLockSize;
GLfloat MaxShininess; /* GL_NV_light_max_exponent */
GLfloat MaxSpotExponent; /* GL_NV_light_max_exponent */
GLuint MaxViewportWidth, MaxViewportHeight;
- /* GL_ARB_vertex_program */
- GLuint MaxVertexProgramInstructions;
- GLuint MaxVertexProgramAttribs;
- GLuint MaxVertexProgramTemps;
- GLuint MaxVertexProgramLocalParams;
- GLuint MaxVertexProgramEnvParams;
- GLuint MaxVertexProgramAddressRegs;
- /* GL_ARB_fragment_program */
- GLuint MaxFragmentProgramInstructions;
- GLuint MaxFragmentProgramAttribs;
- GLuint MaxFragmentProgramTemps;
- GLuint MaxFragmentProgramLocalParams;
- GLuint MaxFragmentProgramEnvParams;
- GLuint MaxFragmentProgramAddressRegs;
- GLuint MaxFragmentProgramAluInstructions;
- GLuint MaxFragmentProgramTexInstructions;
- GLuint MaxFragmentProgramTexIndirections;
- /* vertex or fragment program */
+ struct gl_program_constants VertexProgram; /* GL_ARB_vertex_program */
+ struct gl_program_constants FragmentProgram; /* GL_ARB_fragment_program */
+ /* shared by vertex and fragment program: */
GLuint MaxProgramMatrices;
GLuint MaxProgramMatrixStackDepth;
/* vertex array / buffer object bounds checking */
GLboolean CheckArrayBounds;
/* GL_ARB_draw_buffers */
GLuint MaxDrawBuffers;
+ /* GL_OES_read_format */
+ GLenum ColorReadFormat;
+ GLenum ColorReadType;
+ /* GL_EXT_framebuffer_object */
+ GLuint MaxColorAttachments;
+ GLuint MaxRenderbufferSize;
};
/**
- * List of extensions.
+ * Enable flag for each OpenGL extension. Different device drivers will
+ * enable different extensions at runtime.
*/
struct gl_extensions
{
GLboolean ARB_depth_texture;
GLboolean ARB_draw_buffers;
GLboolean ARB_fragment_program;
+ GLboolean ARB_fragment_shader;
GLboolean ARB_half_float_pixel;
GLboolean ARB_imaging;
GLboolean ARB_multisample;
GLboolean ARB_multitexture;
GLboolean ARB_occlusion_query;
GLboolean ARB_point_sprite;
+ GLboolean ARB_shader_objects;
+ GLboolean ARB_shading_language_100;
GLboolean ARB_shadow;
GLboolean ARB_texture_border_clamp;
GLboolean ARB_texture_compression;
GLboolean ARB_transpose_matrix;
GLboolean ARB_vertex_buffer_object;
GLboolean ARB_vertex_program;
+ GLboolean ARB_vertex_shader;
GLboolean ARB_window_pos;
GLboolean EXT_abgr;
GLboolean EXT_bgra;
GLboolean EXT_copy_texture;
GLboolean EXT_depth_bounds_test;
GLboolean EXT_draw_range_elements;
+ GLboolean EXT_framebuffer_object;
GLboolean EXT_fog_coord;
+ GLboolean EXT_framebuffer_blit;
GLboolean EXT_histogram;
GLboolean EXT_multi_draw_arrays;
GLboolean EXT_paletted_texture;
+ GLboolean EXT_packed_depth_stencil;
GLboolean EXT_packed_pixels;
GLboolean EXT_pixel_buffer_object;
GLboolean EXT_point_parameters;
GLboolean EXT_texture_filter_anisotropic;
GLboolean EXT_texture_lod_bias;
GLboolean EXT_texture_mirror_clamp;
+ GLboolean EXT_timer_query;
GLboolean EXT_vertex_array;
GLboolean EXT_vertex_array_set;
/* vendor extensions */
GLboolean APPLE_packed_pixels;
GLboolean ATI_texture_mirror_once;
GLboolean ATI_texture_env_combine3;
- GLboolean HP_occlusion_test;
+ GLboolean ATI_fragment_shader;
GLboolean IBM_rasterpos_clip;
GLboolean IBM_multimode_draw_arrays;
GLboolean MESA_pack_invert;
GLboolean NV_texture_rectangle;
GLboolean NV_vertex_program;
GLboolean NV_vertex_program1_1;
+ GLboolean OES_read_format;
GLboolean SGI_color_matrix;
GLboolean SGI_color_table;
GLboolean SGI_texture_color_table;
GLboolean SGIS_generate_mipmap;
- GLboolean SGIS_pixel_texture;
GLboolean SGIS_texture_edge_clamp;
GLboolean SGIS_texture_lod;
GLboolean SGIX_depth_texture;
- GLboolean SGIX_pixel_texture;
GLboolean SGIX_shadow;
GLboolean SGIX_shadow_ambient; /* or GL_ARB_shadow_ambient */
GLboolean TDFX_texture_compression_FXT1;
#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 | \
#define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
#define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
#define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
-#define _NEW_ARRAY_INDEX VERT_BIT_SIX
+#define _NEW_ARRAY_INDEX VERT_BIT_COLOR_INDEX
#define _NEW_ARRAY_EDGEFLAG VERT_BIT_SEVEN
#define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
#define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
#define DD_POINT_SMOOTH 0x800
#define DD_POINT_SIZE 0x1000
#define DD_POINT_ATTEN 0x2000
+#define DD_TRI_TWOSTENCIL 0x4000
/*@}*/
/**
* Core Mesa's support for tnl modules:
*/
-struct gl_tnl_module {
+struct gl_tnl_module
+{
/**
* Vertex format to be lazily swapped into current dispatch.
*/
* On restore, only need to swap these functions back in.
*/
/*@{*/
- void *Swapped[NUM_VERTEX_FORMAT_ENTRIES][2];
+ struct {
+ _glapi_proc * location;
+ _glapi_proc function;
+ } Swapped[NUM_VERTEX_FORMAT_ENTRIES];
GLuint SwapCount;
/*@}*/
};
-struct mesa_list_state {
+/* Strictly this is a tnl/ private concept, but it doesn't seem
+ * worthwhile adding a tnl private structure just to hold this one bit
+ * of information:
+ */
+#define MESA_DLIST_DANGLING_REFS 0x1
+
+/* Provide a location where information about a display list can be
+ * collected. Could be extended with driverPrivate structures,
+ * etc. in the future.
+ */
+struct mesa_display_list
+{
+ Node *node;
+ GLuint id;
+ GLbitfield flags;
+};
+
+
+/**
+ * State used during display list compilation and execution.
+ */
+struct mesa_list_state
+{
+ struct mesa_display_list *CallStack[MAX_LIST_NESTING];
GLuint CallDepth; /**< Current recursion calling depth */
+
+ struct mesa_display_list *CurrentList;
Node *CurrentListPtr; /**< Head of list being compiled */
GLuint CurrentListNum; /**< Number of the list being compiled */
Node *CurrentBlock; /**< Pointer to current block of nodes */
GLuint CurrentPos; /**< Index into current block of nodes */
+
GLvertexformat ListVtxfmt;
GLubyte ActiveAttribSize[VERT_ATTRIB_MAX];
/**
- * 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.
*
GLvisual Visual;
GLframebuffer *DrawBuffer; /**< buffer for writing */
GLframebuffer *ReadBuffer; /**< buffer for reading */
+ GLframebuffer *WinSysDrawBuffer; /**< set with MakeCurrent */
+ GLframebuffer *WinSysReadBuffer; /**< set with MakeCurrent */
/**
* Device driver function pointer table
GLboolean ExecuteFlag; /**< Execute GL commands? */
GLboolean CompileFlag; /**< Compile GL commands into display list? */
- /** Extensions */
+ /** Extension information */
struct gl_extensions Extensions;
- /** \name Renderer attribute stack */
+ /** \name State attribute stack (for glPush/PopAttrib) */
/*@{*/
GLuint AttribStackDepth;
struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH];
* attributes easy. Also it's a good organization.
*/
/*@{*/
- struct gl_accum_attrib Accum; /**< Accumulation buffer attributes */
- struct gl_colorbuffer_attrib Color; /**< Color buffers attributes */
+ struct gl_accum_attrib Accum; /**< Accum buffer attributes */
+ struct gl_colorbuffer_attrib Color; /**< Color buffer attributes */
struct gl_current_attrib Current; /**< Current attributes */
struct gl_depthbuffer_attrib Depth; /**< Depth buffer attributes */
struct gl_eval_attrib Eval; /**< Eval attributes */
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_ARB/NV_vertex_program */
+ struct gl_fragment_program_state FragmentProgram; /**< GL_ARB/NV_vertex_program */
+ struct gl_ati_fragment_shader_state ATIFragmentShader; /**< GL_ATI_fragment_shader */
- struct occlusion_state Occlusion; /**< GL_ARB_occlusion_query */
+ struct fragment_program *_TexEnvProgram; /**< Texture state as fragment program */
+ struct vertex_program *_TnlProgram; /**< Fixed func TNL state as vertex program */
+
+ GLboolean _MaintainTnlProgram;
+ GLboolean _MaintainTexEnvProgram;
+ GLboolean _UseTexEnvProgram;
+
+ struct gl_query_state Query; /**< GL_ARB_occlusion_query */
+
+ struct gl_shader_objects_state ShaderObjects; /* GL_ARB_shader_objects */
+ /*@}*/
+
+#if FEATURE_EXT_framebuffer_object
+ struct gl_renderbuffer *CurrentRenderbuffer;
+#endif
GLenum ErrorValue; /**< Last error code */
GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
- GLuint NewState; /**< bitwise-or of _NEW_* flags */
- /*@}*/
+ GLbitfield 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 */
+ GLbitfield _TriangleCaps; /**< bitwise-or of DD_* flags */
+ GLbitfield _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */
GLfloat _EyeZDir[3];
GLfloat _ModelViewInvScale;
- GLuint _NeedEyeCoords;
- GLuint _ForceEyeCoords;
- GLboolean _RotateMode;
+ GLboolean _NeedEyeCoords;
+ GLboolean _ForceEyeCoords;
GLenum _CurrentProgram; /* currently executing program */
struct gl_shine_tab *_ShineTable[2]; /**< Active shine tables */
struct gl_list_extensions ListExt; /**< driver dlist extensions */
- GLboolean OcclusionResult; /**< for GL_HP_occlusion_test */
- GLboolean OcclusionResultSaved; /**< for GL_HP_occlusion_test */
GLuint _Facing; /**< This is a hack for 2-sided stencil test.
*
* We don't have a better way to communicate this value from
* swrast_setup to swrast. */
-
- /** \name Z buffer stuff */
- /*@{*/
- GLuint DepthMax; /**< Max depth buffer value */
- GLfloat DepthMaxF; /**< Float max depth buffer value */
- GLfloat MRD; /**< minimum resolvable difference in Z values */
- /*@}*/
-
- /** \name Color clamping (tentative part of GL_ARB_color_clamp_control) */
- /*@{*/
- GLboolean ClampFragmentColors;
- GLboolean ClampVertexColors;
- /*@}*/
-
/** \name For debugging/development only */
/*@{*/
GLboolean FirstTimeCurrent;
/** Dither disable via MESA_NO_DITHER env var */
GLboolean NoDither;
+ /** software compression/decompression supported or not */
+ GLboolean Mesa_DXTn;
+
/** Core tnl module support */
struct gl_tnl_module TnlModule;
extern const char *_mesa_prim_name[GL_POLYGON+4];
-#ifdef MESA_DEBUG
+#ifdef DEBUG
extern int MESA_VERBOSE;
extern int MESA_DEBUG_FLAGS;
# define MESA_FUNCTION __FUNCTION__
#endif
-enum _verbose {
+enum _verbose
+{
VERBOSE_VARRAY = 0x0001,
VERBOSE_TEXTURE = 0x0002,
VERBOSE_IMMEDIATE = 0x0004,
VERBOSE_DISPLAY_LIST = 0x0100,
VERBOSE_LIGHTING = 0x0200,
VERBOSE_PRIMS = 0x0400,
- VERBOSE_VERTS = 0x0800
+ VERBOSE_VERTS = 0x0800,
+ VERBOSE_DISASSEM = 0x1000
};
-enum _debug {
+enum _debug
+{
DEBUG_ALWAYS_FLUSH = 0x1
};
projects / mesa.git / blobdiff