| /** |
| * \file mtypes.h |
| * Main Mesa data structures. |
| * |
| * Please try to mark derived values with a leading underscore ('_'). |
| */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 6.5 |
| * |
| * Copyright (C) 1999-2005 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"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| |
| #ifndef TYPES_H |
| #define TYPES_H |
| |
| |
| #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 */ |
| |
| |
| /** |
| * Color channel data type. |
| */ |
| #if CHAN_BITS == 8 |
| typedef GLubyte GLchan; |
| #define CHAN_MAX 255 |
| #define CHAN_MAXF 255.0F |
| #define CHAN_TYPE GL_UNSIGNED_BYTE |
| #elif CHAN_BITS == 16 |
| typedef GLushort GLchan; |
| #define CHAN_MAX 65535 |
| #define CHAN_MAXF 65535.0F |
| #define CHAN_TYPE GL_UNSIGNED_SHORT |
| #elif CHAN_BITS == 32 |
| typedef GLfloat GLchan; |
| #define CHAN_MAX 1.0 |
| #define CHAN_MAXF 1.0F |
| #define CHAN_TYPE GL_FLOAT |
| #else |
| #error "illegal number of color channel bits" |
| #endif |
| |
| |
| /** |
| * Stencil buffer data type. |
| */ |
| #if STENCIL_BITS==8 |
| typedef GLubyte GLstencil; |
| #elif STENCIL_BITS==16 |
| typedef GLushort GLstencil; |
| #else |
| # error "illegal number of stencil bits" |
| #endif |
| |
| |
| /** |
| * Fixed point data type. |
| */ |
| typedef int GLfixed; |
| /* |
| * Fixed point arithmetic macros |
| */ |
| #ifndef FIXED_FRAC_BITS |
| #define FIXED_FRAC_BITS 11 |
| #endif |
| |
| #define FIXED_SHIFT FIXED_FRAC_BITS |
| #define FIXED_ONE (1 << FIXED_SHIFT) |
| #define FIXED_HALF (1 << (FIXED_SHIFT-1)) |
| #define FIXED_FRAC_MASK (FIXED_ONE - 1) |
| #define FIXED_INT_MASK (~FIXED_FRAC_MASK) |
| #define FIXED_EPSILON 1 |
| #define FIXED_SCALE ((float) FIXED_ONE) |
| #define FIXED_DBL_SCALE ((double) FIXED_ONE) |
| #define FloatToFixed(X) (IROUND((X) * FIXED_SCALE)) |
| #define FixedToDouble(X) ((X) * (1.0 / FIXED_DBL_SCALE)) |
| #define IntToFixed(I) ((I) << FIXED_SHIFT) |
| #define FixedToInt(X) ((X) >> FIXED_SHIFT) |
| #define FixedToUns(X) (((unsigned int)(X)) >> FIXED_SHIFT) |
| #define FixedCeil(X) (((X) + FIXED_ONE - FIXED_EPSILON) & FIXED_INT_MASK) |
| #define FixedFloor(X) ((X) & FIXED_INT_MASK) |
| #define FixedToFloat(X) ((X) * (1.0F / FIXED_SCALE)) |
| #define PosFloatToFixed(X) FloatToFixed(X) |
| #define SignedFloatToFixed(X) FloatToFixed(X) |
| |
| |
| |
| /** |
| * \name Some forward type declarations |
| */ |
| /*@{*/ |
| 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_framebuffer GLframebuffer; |
| /*@}*/ |
| |
| |
| |
| /** |
| * Indexes for vertex program attributes. |
| * GL_NV_vertex_program aliases generic attributes over the conventional |
| * attributes. In GL_ARB_vertex_program shader the aliasing is optional. |
| * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the |
| * generic attributes are distinct/separate). |
| */ |
| 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_SEVEN = 7, |
| VERT_ATTRIB_TEX0 = 8, |
| VERT_ATTRIB_TEX1 = 9, |
| VERT_ATTRIB_TEX2 = 10, |
| VERT_ATTRIB_TEX3 = 11, |
| VERT_ATTRIB_TEX4 = 12, |
| VERT_ATTRIB_TEX5 = 13, |
| VERT_ATTRIB_TEX6 = 14, |
| VERT_ATTRIB_TEX7 = 15, |
| VERT_ATTRIB_GENERIC0 = 16, |
| VERT_ATTRIB_GENERIC1 = 17, |
| VERT_ATTRIB_GENERIC2 = 18, |
| VERT_ATTRIB_GENERIC3 = 19, |
| VERT_ATTRIB_MAX = 16 /* XXX not counting generic attribs yet */ |
| }; |
| |
| /** |
| * Bitflags for vertex attributes. |
| * 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_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u))) |
| #define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g))) |
| /*@}*/ |
| |
| /** |
| * 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_MAX 15 |
| /*@}*/ |
| |
| |
| /** |
| * Indexes for fragment program input attributes. |
| */ |
| enum |
| { |
| FRAG_ATTRIB_WPOS = 0, |
| FRAG_ATTRIB_COL0 = 1, |
| FRAG_ATTRIB_COL1 = 2, |
| FRAG_ATTRIB_FOGC = 3, |
| FRAG_ATTRIB_TEX0 = 4, |
| FRAG_ATTRIB_TEX1 = 5, |
| FRAG_ATTRIB_TEX2 = 6, |
| FRAG_ATTRIB_TEX3 = 7, |
| FRAG_ATTRIB_TEX4 = 8, |
| FRAG_ATTRIB_TEX5 = 9, |
| FRAG_ATTRIB_TEX6 = 10, |
| FRAG_ATTRIB_TEX7 = 11, |
| FRAG_ATTRIB_MAX = 12 |
| }; |
| |
| /** |
| * Bitflags for fragment program input attributes. |
| */ |
| /*@{*/ |
| #define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS) |
| #define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0) |
| #define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1) |
| #define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC) |
| #define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0) |
| #define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1) |
| #define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2) |
| #define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3) |
| #define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4) |
| #define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5) |
| #define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6) |
| #define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7) |
| |
| #define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \ |
| FRAG_BIT_TEX1| \ |
| FRAG_BIT_TEX2| \ |
| FRAG_BIT_TEX3| \ |
| FRAG_BIT_TEX4| \ |
| FRAG_BIT_TEX5| \ |
| FRAG_BIT_TEX6| \ |
| FRAG_BIT_TEX7) |
| /*@}*/ |
| |
| |
| /** |
| * Fragment program results |
| */ |
| /*@{*/ |
| #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) |
| |
| |
| /** |
| * Data structure for color tables |
| */ |
| 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 */ |
| GLubyte RedSize; |
| GLubyte GreenSize; |
| GLubyte BlueSize; |
| GLubyte AlphaSize; |
| GLubyte LuminanceSize; |
| GLubyte IntensitySize; |
| }; |
| |
| |
| /** |
| * \name Bit flags used for updating material values. |
| */ |
| /*@{*/ |
| #define MAT_ATTRIB_FRONT_AMBIENT 0 |
| #define MAT_ATTRIB_BACK_AMBIENT 1 |
| #define MAT_ATTRIB_FRONT_DIFFUSE 2 |
| #define MAT_ATTRIB_BACK_DIFFUSE 3 |
| #define MAT_ATTRIB_FRONT_SPECULAR 4 |
| #define MAT_ATTRIB_BACK_SPECULAR 5 |
| #define MAT_ATTRIB_FRONT_EMISSION 6 |
| #define MAT_ATTRIB_BACK_EMISSION 7 |
| #define MAT_ATTRIB_FRONT_SHININESS 8 |
| #define MAT_ATTRIB_BACK_SHININESS 9 |
| #define MAT_ATTRIB_FRONT_INDEXES 10 |
| #define MAT_ATTRIB_BACK_INDEXES 11 |
| #define MAT_ATTRIB_MAX 12 |
| |
| #define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f)) |
| #define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f)) |
| #define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f)) |
| #define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f)) |
| #define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f)) |
| #define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f)) |
| |
| #define MAT_INDEX_AMBIENT 0 |
| #define MAT_INDEX_DIFFUSE 1 |
| #define MAT_INDEX_SPECULAR 2 |
| |
| #define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT) |
| #define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT) |
| #define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE) |
| #define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE) |
| #define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR) |
| #define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR) |
| #define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION) |
| #define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION) |
| #define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS) |
| #define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS) |
| #define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES) |
| #define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES) |
| |
| |
| #define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \ |
| MAT_BIT_FRONT_AMBIENT | \ |
| MAT_BIT_FRONT_DIFFUSE | \ |
| MAT_BIT_FRONT_SPECULAR | \ |
| MAT_BIT_FRONT_SHININESS | \ |
| MAT_BIT_FRONT_INDEXES) |
| |
| #define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \ |
| MAT_BIT_BACK_AMBIENT | \ |
| MAT_BIT_BACK_DIFFUSE | \ |
| MAT_BIT_BACK_SPECULAR | \ |
| MAT_BIT_BACK_SHININESS | \ |
| MAT_BIT_BACK_INDEXES) |
| |
| #define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS) |
| /*@}*/ |
| |
| |
| #define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */ |
| #define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */ |
| |
| /** |
| * Material shininess lookup table. |
| */ |
| struct gl_shine_tab |
| { |
| struct gl_shine_tab *next, *prev; |
| GLfloat tab[SHINE_TABLE_SIZE+1]; |
| GLfloat shininess; |
| GLuint refcount; |
| }; |
| |
| |
| /** |
| * Light source state. |
| */ |
| struct gl_light |
| { |
| struct gl_light *next; /**< double linked list with sentinel */ |
| struct gl_light *prev; |
| |
| GLfloat Ambient[4]; /**< ambient color */ |
| GLfloat Diffuse[4]; /**< diffuse color */ |
| GLfloat Specular[4]; /**< specular color */ |
| GLfloat EyePosition[4]; /**< position in eye coordinates */ |
| GLfloat EyeDirection[4]; /**< spotlight dir in eye coordinates */ |
| GLfloat SpotExponent; |
| GLfloat SpotCutoff; /**< in degrees */ |
| GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */ |
| GLfloat ConstantAttenuation; |
| GLfloat LinearAttenuation; |
| GLfloat QuadraticAttenuation; |
| GLboolean Enabled; /**< On/off flag */ |
| |
| /** |
| * \name Derived fields |
| */ |
| /*@{*/ |
| GLbitfield _Flags; /**< State */ |
| |
| GLfloat _Position[4]; /**< position in eye/obj coordinates */ |
| GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite light */ |
| GLfloat _h_inf_norm[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */ |
| GLfloat _NormDirection[4]; /**< normalized spotlight direction */ |
| GLfloat _VP_inf_spot_attenuation; |
| |
| GLfloat _SpotExpTable[EXP_TABLE_SIZE][2]; /**< to replace a pow() call */ |
| GLfloat _MatAmbient[2][3]; /**< material ambient * light ambient */ |
| GLfloat _MatDiffuse[2][3]; /**< material diffuse * light diffuse */ |
| GLfloat _MatSpecular[2][3]; /**< material spec * light specular */ |
| GLfloat _dli; /**< CI diffuse light intensity */ |
| GLfloat _sli; /**< CI specular light intensity */ |
| /*@}*/ |
| }; |
| |
| |
| /** |
| * Light model state. |
| */ |
| struct gl_lightmodel |
| { |
| GLfloat Ambient[4]; /**< ambient color */ |
| GLboolean LocalViewer; /**< Local (or infinite) view point? */ |
| GLboolean TwoSide; /**< Two (or one) sided lighting? */ |
| GLenum ColorControl; /**< either GL_SINGLE_COLOR |
| * or GL_SEPARATE_SPECULAR_COLOR */ |
| }; |
| |
| |
| /** |
| * Material state. |
| */ |
| struct gl_material |
| { |
| GLfloat Attrib[MAT_ATTRIB_MAX][4]; |
| }; |
| |
| |
| /** |
| * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT) |
| */ |
| struct gl_accum_attrib |
| { |
| GLfloat ClearColor[4]; /**< Accumulation buffer clear color */ |
| }; |
| |
| |
| /** |
| * Color buffer attribute group (GL_COLOR_BUFFER_BIT). |
| */ |
| struct gl_colorbuffer_attrib |
| { |
| GLuint ClearIndex; /**< Index to use for glClear */ |
| GLclampf ClearColor[4]; /**< Color to use for glClear */ |
| |
| GLuint IndexMask; /**< Color index write mask */ |
| GLubyte ColorMask[4]; /**< Each flag is 0xff or 0x0 */ |
| |
| GLenum DrawBuffer[MAX_DRAW_BUFFERS]; /**< Which buffer to draw into */ |
| |
| /** |
| * \name alpha testing |
| */ |
| /*@{*/ |
| GLboolean AlphaEnabled; /**< Alpha test enabled flag */ |
| GLenum AlphaFunc; /**< Alpha test function */ |
| GLclampf AlphaRef; /**< Alpha reference value */ |
| /*@}*/ |
| |
| /** |
| * \name Blending |
| */ |
| /*@{*/ |
| GLboolean BlendEnabled; /**< Blending enabled flag */ |
| GLenum BlendSrcRGB; /**< Blending source operator */ |
| GLenum BlendDstRGB; /**< Blending destination operator */ |
| GLenum BlendSrcA; /**< GL_INGR_blend_func_separate */ |
| GLenum BlendDstA; /**< GL_INGR_blend_func_separate */ |
| GLenum BlendEquationRGB; /**< Blending equation */ |
| GLenum BlendEquationA; /**< GL_EXT_blend_equation_separate */ |
| GLfloat BlendColor[4]; /**< Blending color */ |
| /*@}*/ |
| |
| /** |
| * \name Logic op |
| */ |
| /*@{*/ |
| GLenum LogicOp; /**< Logic operator */ |
| GLboolean IndexLogicOpEnabled; /**< Color index logic op enabled flag */ |
| GLboolean ColorLogicOpEnabled; /**< RGBA logic op enabled flag */ |
| GLboolean _LogicOpEnabled; /**< RGBA logic op + EXT_blend_logic_op enabled flag */ |
| /*@}*/ |
| |
| GLboolean DitherFlag; /**< Dither enable flag */ |
| }; |
| |
| |
| /** |
| * Current attribute group (GL_CURRENT_BIT). |
| */ |
| struct gl_current_attrib |
| { |
| /** |
| * \name Values valid only when 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 */ |
| /*@}*/ |
| |
| /** |
| * \name Values are always valid. |
| * |
| * \note BTW, note how similar this set of attributes is to the SWvertex |
| * data type in the software rasterizer... |
| */ |
| /*@{*/ |
| 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 */ |
| /*@}*/ |
| }; |
| |
| |
| /** |
| * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT). |
| */ |
| 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 BoundsTest; /**< GL_EXT_depth_bounds_test */ |
| GLfloat BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */ |
| }; |
| |
| |
| /** |
| * glEnable()/glDisable() attribute group (GL_ENABLE_BIT). |
| */ |
| struct gl_enable_attrib |
| { |
| GLboolean AlphaTest; |
| GLboolean AutoNormal; |
| GLboolean Blend; |
| GLbitfield ClipPlanes; |
| GLboolean ColorMaterial; |
| GLboolean ColorTable; /* SGI_color_table */ |
| GLboolean PostColorMatrixColorTable; /* SGI_color_table */ |
| GLboolean PostConvolutionColorTable; /* SGI_color_table */ |
| GLboolean Convolution1D; |
| GLboolean Convolution2D; |
| GLboolean Separable2D; |
| GLboolean CullFace; |
| GLboolean DepthTest; |
| GLboolean Dither; |
| GLboolean Fog; |
| GLboolean Histogram; |
| GLboolean Light[MAX_LIGHTS]; |
| GLboolean Lighting; |
| GLboolean LineSmooth; |
| GLboolean LineStipple; |
| GLboolean IndexLogicOp; |
| GLboolean ColorLogicOp; |
| GLboolean Map1Color4; |
| GLboolean Map1Index; |
| GLboolean Map1Normal; |
| GLboolean Map1TextureCoord1; |
| GLboolean Map1TextureCoord2; |
| GLboolean Map1TextureCoord3; |
| GLboolean Map1TextureCoord4; |
| GLboolean Map1Vertex3; |
| GLboolean Map1Vertex4; |
| GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */ |
| GLboolean Map2Color4; |
| GLboolean Map2Index; |
| GLboolean Map2Normal; |
| GLboolean Map2TextureCoord1; |
| GLboolean Map2TextureCoord2; |
| GLboolean Map2TextureCoord3; |
| GLboolean Map2TextureCoord4; |
| GLboolean Map2Vertex3; |
| GLboolean Map2Vertex4; |
| GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */ |
| GLboolean MinMax; |
| GLboolean Normalize; |
| GLboolean PixelTexture; |
| GLboolean PointSmooth; |
| GLboolean PolygonOffsetPoint; |
| GLboolean PolygonOffsetLine; |
| GLboolean PolygonOffsetFill; |
| GLboolean PolygonSmooth; |
| GLboolean PolygonStipple; |
| 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 */ |
| GLboolean SampleCoverage; /* GL_ARB_multisample */ |
| GLboolean SampleCoverageInvert; /* GL_ARB_multisample */ |
| GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */ |
| GLuint Texture[MAX_TEXTURE_IMAGE_UNITS]; |
| GLuint TexGen[MAX_TEXTURE_COORD_UNITS]; |
| /* SGI_texture_color_table */ |
| GLboolean TextureColorTable[MAX_TEXTURE_IMAGE_UNITS]; |
| /* GL_NV_vertex_program */ |
| GLboolean VertexProgram; |
| GLboolean VertexProgramPointSize; |
| GLboolean VertexProgramTwoSide; |
| /* GL_ARB_point_sprite / GL_NV_point_sprite */ |
| GLboolean PointSprite; |
| GLboolean FragmentShaderATI; |
| }; |
| |
| |
| /** |
| * Evaluator attribute group (GL_EVAL_BIT). |
| */ |
| struct gl_eval_attrib |
| { |
| /** |
| * \name Enable bits |
| */ |
| /*@{*/ |
| GLboolean Map1Color4; |
| GLboolean Map1Index; |
| GLboolean Map1Normal; |
| GLboolean Map1TextureCoord1; |
| GLboolean Map1TextureCoord2; |
| GLboolean Map1TextureCoord3; |
| GLboolean Map1TextureCoord4; |
| GLboolean Map1Vertex3; |
| GLboolean Map1Vertex4; |
| GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */ |
| GLboolean Map2Color4; |
| GLboolean Map2Index; |
| GLboolean Map2Normal; |
| GLboolean Map2TextureCoord1; |
| GLboolean Map2TextureCoord2; |
| GLboolean Map2TextureCoord3; |
| GLboolean Map2TextureCoord4; |
| GLboolean Map2Vertex3; |
| GLboolean Map2Vertex4; |
| GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */ |
| GLboolean AutoNormal; |
| /*@}*/ |
| |
| /** |
| * \name Map Grid endpoints and divisions and calculated du values |
| */ |
| /*@{*/ |
| GLint MapGrid1un; |
| GLfloat MapGrid1u1, MapGrid1u2, MapGrid1du; |
| GLint MapGrid2un, MapGrid2vn; |
| GLfloat MapGrid2u1, MapGrid2u2, MapGrid2du; |
| GLfloat MapGrid2v1, MapGrid2v2, MapGrid2dv; |
| /*@}*/ |
| }; |
| |
| |
| /** |
| * Fog attribute group (GL_FOG_BIT). |
| */ |
| struct gl_fog_attrib |
| { |
| GLboolean Enabled; /**< Fog enabled flag */ |
| GLfloat Color[4]; /**< Fog color */ |
| GLfloat Density; /**< Density >= 0.0 */ |
| GLfloat Start; /**< Start distance in eye coords */ |
| GLfloat End; /**< End distance in eye coords */ |
| GLfloat Index; /**< Fog index */ |
| GLenum Mode; /**< Fog mode */ |
| GLboolean ColorSumEnabled; |
| GLenum FogCoordinateSource; /**< GL_EXT_fog_coord */ |
| }; |
| |
| |
| /** |
| * Hint attribute group (GL_HINT_BIT). |
| * |
| * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE. |
| */ |
| struct gl_hint_attrib |
| { |
| GLenum PerspectiveCorrection; |
| GLenum PointSmooth; |
| GLenum LineSmooth; |
| GLenum PolygonSmooth; |
| GLenum Fog; |
| 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 |
| { |
| GLuint Width; /**< number of table entries */ |
| GLint Format; /**< GL_ALPHA, GL_RGB, etc */ |
| GLuint Count[HISTOGRAM_TABLE_SIZE][4]; /**< the histogram */ |
| GLboolean Sink; /**< terminate image transfer? */ |
| GLubyte RedSize; /**< Bits per counter */ |
| GLubyte GreenSize; |
| GLubyte BlueSize; |
| GLubyte AlphaSize; |
| GLubyte LuminanceSize; |
| }; |
| |
| |
| /** |
| * Color Min/max state. |
| */ |
| struct gl_minmax_attrib |
| { |
| GLenum Format; |
| GLboolean Sink; |
| GLfloat Min[4], Max[4]; /**< RGBA */ |
| }; |
| |
| |
| /** |
| * Image convolution state. |
| */ |
| struct gl_convolution_attrib |
| { |
| GLenum Format; |
| GLenum InternalFormat; |
| GLuint Width; |
| GLuint Height; |
| GLfloat Filter[MAX_CONVOLUTION_WIDTH * MAX_CONVOLUTION_HEIGHT * 4]; |
| }; |
| |
| |
| /** |
| * Light state flags. |
| */ |
| /*@{*/ |
| #define LIGHT_SPOT 0x1 |
| #define LIGHT_LOCAL_VIEWER 0x2 |
| #define LIGHT_POSITIONAL 0x4 |
| #define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER) |
| /*@}*/ |
| |
| |
| /** |
| * Lighting attribute group (GL_LIGHT_BIT). |
| */ |
| struct gl_light_attrib |
| { |
| struct gl_light Light[MAX_LIGHTS]; /**< Array of light sources */ |
| struct gl_lightmodel Model; /**< Lighting model */ |
| |
| /** |
| * Must flush FLUSH_VERTICES before referencing: |
| */ |
| /*@{*/ |
| struct gl_material Material; /**< Includes front & back values */ |
| /*@}*/ |
| |
| GLboolean Enabled; /**< Lighting enabled flag */ |
| GLenum ShadeModel; /**< GL_FLAT or GL_SMOOTH */ |
| GLenum ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */ |
| GLenum ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */ |
| GLbitfield ColorMaterialBitmask; /**< bitmask formed from Face and Mode */ |
| GLboolean ColorMaterialEnabled; |
| |
| struct gl_light EnabledList; /**< List sentinel */ |
| |
| /** |
| * Derived state for optimizations: |
| */ |
| /*@{*/ |
| GLboolean _NeedEyeCoords; |
| GLboolean _NeedVertices; /**< Use fast shader? */ |
| GLbitfield _Flags; /**< LIGHT_* flags, see above */ |
| GLfloat _BaseColor[2][3]; |
| /*@}*/ |
| }; |
| |
| |
| /** |
| * Line attribute group (GL_LINE_BIT). |
| */ |
| struct gl_line_attrib |
| { |
| GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */ |
| GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */ |
| GLushort StipplePattern; /**< Stipple pattern */ |
| GLint StippleFactor; /**< Stipple repeat factor */ |
| GLfloat Width; /**< Line width */ |
| GLfloat _Width; /**< Clamped Line width */ |
| }; |
| |
| |
| /** |
| * Display list attribute group (GL_LIST_BIT). |
| */ |
| struct gl_list_attrib |
| { |
| GLuint ListBase; |
| }; |
| |
| |
| /** |
| * 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 ); |
| void (*Print)( GLcontext *ctx, void *data ); |
| }; |
| |
| #define MAX_DLIST_EXT_OPCODES 16 |
| |
| /** |
| * 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 attribute group (GL_MULTISAMPLE_BIT). |
| */ |
| struct gl_multisample_attrib |
| { |
| GLboolean Enabled; |
| GLboolean SampleAlphaToCoverage; |
| GLboolean SampleAlphaToOne; |
| GLboolean SampleCoverage; |
| GLfloat SampleCoverageValue; |
| GLboolean SampleCoverageInvert; |
| }; |
| |
| |
| /** |
| * Pixel attribute group (GL_PIXEL_MODE_BIT). |
| */ |
| struct gl_pixel_attrib |
| { |
| GLenum ReadBuffer; /**< source buffer for glRead/CopyPixels() */ |
| GLfloat RedBias, RedScale; |
| GLfloat GreenBias, GreenScale; |
| GLfloat BlueBias, BlueScale; |
| GLfloat AlphaBias, AlphaScale; |
| GLfloat DepthBias, DepthScale; |
| GLint IndexShift, IndexOffset; |
| GLboolean MapColorFlag; |
| GLboolean MapStencilFlag; |
| GLfloat ZoomX, ZoomY; |
| /* XXX move these out of gl_pixel_attrib */ |
| GLint MapStoSsize; /**< Size of each pixel map */ |
| GLint MapItoIsize; |
| GLint MapItoRsize; |
| GLint MapItoGsize; |
| GLint MapItoBsize; |
| GLint MapItoAsize; |
| GLint MapRtoRsize; |
| GLint MapGtoGsize; |
| GLint MapBtoBsize; |
| GLint MapAtoAsize; |
| GLint MapStoS[MAX_PIXEL_MAP_TABLE]; /**< Pixel map tables */ |
| GLfloat MapItoI[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapItoR[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapItoG[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapItoB[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapItoA[MAX_PIXEL_MAP_TABLE]; |
| GLubyte MapItoR8[MAX_PIXEL_MAP_TABLE]; /**< converted to 8-bit color */ |
| GLubyte MapItoG8[MAX_PIXEL_MAP_TABLE]; |
| GLubyte MapItoB8[MAX_PIXEL_MAP_TABLE]; |
| GLubyte MapItoA8[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapRtoR[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapGtoG[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapBtoB[MAX_PIXEL_MAP_TABLE]; |
| GLfloat MapAtoA[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 */ |
| /** GL_SGI_color_table */ |
| GLfloat ColorTableScale[4]; |
| GLfloat ColorTableBias[4]; |
| GLboolean ColorTableEnabled; |
| GLfloat PCCTscale[4]; |
| GLfloat PCCTbias[4]; |
| GLboolean PostConvolutionColorTableEnabled; |
| GLfloat PCMCTscale[4]; |
| GLfloat PCMCTbias[4]; |
| GLboolean PostColorMatrixColorTableEnabled; |
| /** GL_SGI_texture_color_table */ |
| GLfloat TextureColorTableScale[4]; |
| GLfloat TextureColorTableBias[4]; |
| /** Convolution */ |
| GLboolean Convolution1DEnabled; |
| GLboolean Convolution2DEnabled; |
| GLboolean Separable2DEnabled; |
| GLfloat ConvolutionBorderColor[3][4]; |
| GLenum ConvolutionBorderMode[3]; |
| GLfloat ConvolutionFilterScale[3][4]; |
| GLfloat ConvolutionFilterBias[3][4]; |
| GLfloat PostConvolutionScale[4]; /**< RGBA */ |
| GLfloat PostConvolutionBias[4]; /**< RGBA */ |
| }; |
| |
| |
| /** |
| * Point attribute group (GL_POINT_BIT). |
| */ |
| 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 Params[3]; /**< GL_EXT_point_parameters */ |
| 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/ARB_point_sprite */ |
| GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */ |
| GLenum SpriteOrigin; /**< GL_ARB_point_sprite */ |
| }; |
| |
| |
| /** |
| * Polygon attribute group (GL_POLYGON_BIT). |
| */ |
| 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 */ |
| GLboolean _FrontBit; /**< 0=GL_CCW, 1=GL_CW */ |
| GLboolean CullFlag; /**< Culling on/off flag */ |
| GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */ |
| GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */ |
| GLenum CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */ |
| GLfloat OffsetFactor; /**< Polygon offset factor, from user */ |
| GLfloat OffsetUnits; /**< Polygon offset units, from user */ |
| GLboolean OffsetPoint; /**< Offset in GL_POINT mode */ |
| GLboolean OffsetLine; /**< Offset in GL_LINE mode */ |
| GLboolean OffsetFill; /**< Offset in GL_FILL mode */ |
| }; |
| |
| |
| /** |
| * Scissor attributes (GL_SCISSOR_BIT). |
| */ |
| struct gl_scissor_attrib |
| { |
| GLboolean Enabled; /**< Scissor test enabled? */ |
| GLint X, Y; /**< Lower left corner of box */ |
| GLsizei Width, Height; /**< Size of box */ |
| }; |
| |
| |
| /** |
| * Stencil attribute group (GL_STENCIL_BUFFER_BIT). |
| */ |
| 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 */ |
| GLint Ref[2]; /**< Reference value */ |
| GLuint ValueMask[2]; /**< Value mask */ |
| GLuint WriteMask[2]; /**< Write mask */ |
| GLuint Clear; /**< Clear value */ |
| }; |
| |
| |
| #define NUM_TEXTURE_TARGETS 5 /* 1D, 2D, 3D, CUBE and RECT */ |
| |
| /** |
| * An index for each type of texture object |
| */ |
| /*@{*/ |
| #define TEXTURE_1D_INDEX 0 |
| #define TEXTURE_2D_INDEX 1 |
| #define TEXTURE_3D_INDEX 2 |
| #define TEXTURE_CUBE_INDEX 3 |
| #define TEXTURE_RECT_INDEX 4 |
| /*@}*/ |
| |
| /** |
| * Bit flags for each type of texture object |
| * Used for Texture.Unit[]._ReallyEnabled flags. |
| */ |
| /*@{*/ |
| #define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX) |
| #define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX) |
| #define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX) |
| #define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX) |
| #define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX) |
| /*@}*/ |
| |
| |
| /** |
| * TexGenEnabled flags. |
| */ |
| /*@{*/ |
| #define S_BIT 1 |
| #define T_BIT 2 |
| #define R_BIT 4 |
| #define Q_BIT 8 |
| /*@}*/ |
| |
| |
| /** |
| * Bit flag versions of the corresponding GL_ constants. |
| */ |
| /*@{*/ |
| #define TEXGEN_SPHERE_MAP 0x1 |
| #define TEXGEN_OBJ_LINEAR 0x2 |
| #define TEXGEN_EYE_LINEAR 0x4 |
| #define TEXGEN_REFLECTION_MAP_NV 0x8 |
| #define TEXGEN_NORMAL_MAP_NV 0x10 |
| |
| #define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \ |
| TEXGEN_REFLECTION_MAP_NV | \ |
| TEXGEN_NORMAL_MAP_NV) |
| #define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \ |
| TEXGEN_REFLECTION_MAP_NV | \ |
| TEXGEN_NORMAL_MAP_NV | \ |
| TEXGEN_EYE_LINEAR) |
| /*@}*/ |
| |
| |
| /* A selection of state flags to make driver and module's lives easier. */ |
| #define ENABLE_TEXGEN0 0x1 |
| #define ENABLE_TEXGEN1 0x2 |
| #define ENABLE_TEXGEN2 0x4 |
| #define ENABLE_TEXGEN3 0x8 |
| #define ENABLE_TEXGEN4 0x10 |
| #define ENABLE_TEXGEN5 0x20 |
| #define ENABLE_TEXGEN6 0x40 |
| #define ENABLE_TEXGEN7 0x80 |
| |
| #define ENABLE_TEXMAT0 0x1 /* Ie. not the identity matrix */ |
| #define ENABLE_TEXMAT1 0x2 |
| #define ENABLE_TEXMAT2 0x4 |
| #define ENABLE_TEXMAT3 0x8 |
| #define ENABLE_TEXMAT4 0x10 |
| #define ENABLE_TEXMAT5 0x20 |
| #define ENABLE_TEXMAT6 0x40 |
| #define ENABLE_TEXMAT7 0x80 |
| |
| #define ENABLE_TEXGEN(i) (ENABLE_TEXGEN0 << (i)) |
| #define ENABLE_TEXMAT(i) (ENABLE_TEXMAT0 << (i)) |
| |
| |
| /** |
| * Texel fetch function prototype. We use texel fetch functions to |
| * extract RGBA, color indexes and depth components out of 1D, 2D and 3D |
| * texture images. These functions help to isolate us from the gritty |
| * details of all the various texture image encodings. |
| * |
| * \param texImage texture image. |
| * \param col texel column. |
| * \param row texel row. |
| * \param img texel image level/layer. |
| * \param texelOut output texel (up to 4 GLchans) |
| */ |
| typedef void (*FetchTexelFuncC)( const struct gl_texture_image *texImage, |
| GLint col, GLint row, GLint img, |
| GLchan *texelOut ); |
| |
| /** |
| * As above, but returns floats. |
| * Used for depth component images and for upcoming signed/float |
| * texture images. |
| */ |
| typedef void (*FetchTexelFuncF)( const struct gl_texture_image *texImage, |
| GLint col, GLint row, GLint img, |
| 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. |
| */ |
| 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); |
| |
| |
| |
| /** |
| * Texture format record |
| */ |
| struct gl_texture_format |
| { |
| GLint MesaFormat; /**< One of the MESA_FORMAT_* values */ |
| |
| GLenum BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, |
| * GL_LUMINANCE, GL_LUMINANCE_ALPHA, |
| * GL_INTENSITY, GL_COLOR_INDEX or |
| * GL_DEPTH_COMPONENT. |
| */ |
| GLenum DataType; /**< GL_FLOAT or GL_UNSIGNED_NORMALIZED_ARB */ |
| GLubyte RedBits; /**< Bits per texel component */ |
| GLubyte GreenBits; /**< These are just rough approximations for */ |
| GLubyte BlueBits; /**< compressed texture formats. */ |
| GLubyte AlphaBits; |
| GLubyte LuminanceBits; |
| GLubyte IntensityBits; |
| GLubyte IndexBits; |
| GLubyte DepthBits; |
| GLubyte StencilBits; /**< GL_EXT_packed_depth_stencil */ |
| |
| GLuint TexelBytes; /**< Bytes per texel, 0 if compressed format */ |
| |
| StoreTexImageFunc StoreImage; |
| |
| /** |
| * \name Texel fetch function pointers |
| */ |
| /*@{*/ |
| FetchTexelFuncC FetchTexel1D; |
| FetchTexelFuncC FetchTexel2D; |
| FetchTexelFuncC FetchTexel3D; |
| FetchTexelFuncF FetchTexel1Df; |
| FetchTexelFuncF FetchTexel2Df; |
| FetchTexelFuncF FetchTexel3Df; |
| /*@}*/ |
| |
| StoreTexelFunc StoreTexel; |
| }; |
| |
| |
| /** |
| * Texture image state. Describes the dimensions of a texture image, |
| * the texel format and pointers to Texel Fetch functions. |
| */ |
| struct gl_texture_image |
| { |
| GLenum _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, |
| * GL_LUMINANCE, GL_LUMINANCE_ALPHA, |
| * GL_INTENSITY, GL_COLOR_INDEX, |
| * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT |
| * only. Used for choosing TexEnv arithmetic. |
| */ |
| 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 */ |
| GLuint WidthLog2; /**< = log2(Width2) */ |
| GLuint HeightLog2; /**< = log2(Height2) */ |
| GLuint DepthLog2; /**< = log2(Depth2) */ |
| GLuint MaxLog2; /**< = MAX(WidthLog2, HeightLog2) */ |
| 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? */ |
| |
| const struct gl_texture_format *TexFormat; |
| |
| struct gl_texture_object *TexObject; /**< Pointer back to parent object */ |
| |
| FetchTexelFuncC FetchTexelc; /**< GLchan texel fetch function pointer */ |
| FetchTexelFuncF FetchTexelf; /**< Float texel fetch function pointer */ |
| |
| GLboolean IsCompressed; /**< GL_ARB_texture_compression */ |
| GLuint CompressedSize; /**< GL_ARB_texture_compression */ |
| |
| /** |
| * \name For device driver: |
| */ |
| /*@{*/ |
| void *DriverData; /**< Arbitrary device driver data */ |
| /*@}*/ |
| }; |
| |
| |
| /** |
| * Indexes for cube map faces. |
| */ |
| /*@{*/ |
| #define FACE_POS_X 0 |
| #define FACE_NEG_X 1 |
| #define FACE_POS_Y 2 |
| #define FACE_NEG_Y 3 |
| #define FACE_POS_Z 4 |
| #define FACE_NEG_Z 5 |
| #define MAX_FACES 6 |
| /*@}*/ |
| |
| |
| /** |
| * 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 |
| { |
| _glthread_Mutex Mutex; /**< for thread safety */ |
| GLint RefCount; /**< reference count */ |
| 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 */ |
| 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 MaxLod; /**< max lambda, OpenGL 1.2 */ |
| GLfloat LodBias; /**< OpenGL 1.4 */ |
| GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */ |
| GLint MaxLevel; /**< max mipmap level, OpenGL 1.2 */ |
| GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */ |
| GLboolean CompareFlag; /**< GL_SGIX_shadow */ |
| GLenum CompareOperator; /**< GL_SGIX_shadow */ |
| 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 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; |
| |
| |
| /** |
| * \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 */ |
| }; |
| |
| |
| /** |
| * Texture combine environment state. |
| * |
| * \todo |
| * 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 |
| { |
| 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. */ |
| GLenum SourceA[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ |
| GLenum OperandRGB[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */ |
| GLenum OperandA[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */ |
| GLuint ScaleShiftRGB; /**< 0, 1 or 2 */ |
| GLuint ScaleShiftA; /**< 0, 1 or 2 */ |
| GLuint _NumArgsRGB; /**< Number of inputs used for the combine mode. */ |
| GLuint _NumArgsA; /**< Number of inputs used for the combine mode. */ |
| }; |
| |
| |
| /** |
| * 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 |
| { |
| 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]; |
| 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 GenModeS; |
| GLenum GenModeT; |
| GLenum GenModeR; |
| GLenum GenModeQ; |
| /*@}*/ |
| GLbitfield _GenBitS; |
| GLbitfield _GenBitT; |
| GLbitfield _GenBitR; |
| GLbitfield _GenBitQ; |
| GLbitfield _GenFlags; /**< bitwise or of GenBit[STRQ] */ |
| GLfloat ObjectPlaneS[4]; |
| GLfloat ObjectPlaneT[4]; |
| GLfloat ObjectPlaneR[4]; |
| GLfloat ObjectPlaneQ[4]; |
| GLfloat EyePlaneS[4]; |
| GLfloat EyePlaneT[4]; |
| GLfloat EyePlaneR[4]; |
| GLfloat EyePlaneQ[4]; |
| GLfloat LodBias; /**< for biasing mipmap levels */ |
| |
| /** |
| * \name GL_EXT_texture_env_combine |
| */ |
| struct gl_tex_env_combine_state Combine; |
| |
| /** |
| * Derived state based on \c EnvMode and the \c BaseFormat of the |
| * currently enabled texture. |
| */ |
| struct gl_tex_env_combine_state _EnvMode; |
| |
| /** |
| * Currently enabled combiner state. This will point to either |
| * \c Combine or \c _EnvMode. |
| */ |
| struct gl_tex_env_combine_state *_CurrentCombine; |
| |
| struct gl_texture_object *Current1D; |
| struct gl_texture_object *Current2D; |
| struct gl_texture_object *Current3D; |
| struct gl_texture_object *CurrentCubeMap; /**< GL_ARB_texture_cube_map */ |
| struct gl_texture_object *CurrentRect; /**< GL_NV_texture_rectangle */ |
| |
| struct gl_texture_object *_Current; /**< Points to really enabled tex obj */ |
| |
| struct gl_texture_object Saved1D; /**< only used by glPush/PopAttrib */ |
| struct gl_texture_object Saved2D; |
| struct gl_texture_object Saved3D; |
| struct gl_texture_object SavedCubeMap; |
| struct gl_texture_object SavedRect; |
| |
| /* GL_SGI_texture_color_table */ |
| struct gl_color_table ColorTable; |
| struct gl_color_table ProxyColorTable; |
| GLboolean ColorTableEnabled; |
| }; |
| |
| struct texenvprog_cache { |
| GLuint hash; |
| void *key; |
| void *data; |
| struct texenvprog_cache *next; |
| }; |
| |
| /** |
| * Texture attribute group (GL_TEXTURE_BIT). |
| */ |
| struct gl_texture_attrib |
| { |
| /** |
| * name multitexture |
| */ |
| /**@{*/ |
| 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]; |
| |
| struct gl_texture_object *Proxy1D; |
| struct gl_texture_object *Proxy2D; |
| struct gl_texture_object *Proxy3D; |
| struct gl_texture_object *ProxyCubeMap; |
| struct gl_texture_object *ProxyRect; |
| |
| /** GL_EXT_shared_texture_palette */ |
| GLboolean SharedPalette; |
| struct gl_color_table Palette; |
| |
| /** Cached texenv fragment programs */ |
| struct texenvprog_cache *env_fp_cache; |
| }; |
| |
| |
| /** |
| * Transformation attribute group (GL_TRANSFORM_BIT). |
| */ |
| struct gl_transform_attrib |
| { |
| GLenum MatrixMode; /**< Matrix mode */ |
| GLfloat EyeUserPlane[MAX_CLIP_PLANES][4]; /**< User clip planes */ |
| GLfloat _ClipUserPlane[MAX_CLIP_PLANES][4]; /**< derived */ |
| GLbitfield ClipPlanesEnabled; /**< on/off bitmask */ |
| GLboolean Normalize; /**< Normalize all normals? */ |
| GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */ |
| GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */ |
| |
| GLboolean CullVertexFlag; /**< True if GL_CULL_VERTEX_EXT is enabled */ |
| GLfloat CullEyePos[4]; |
| GLfloat CullObjPos[4]; |
| }; |
| |
| |
| /** |
| * Viewport attribute group (GL_VIEWPORT_BIT). |
| */ |
| struct gl_viewport_attrib |
| { |
| GLint X, Y; /**< position */ |
| GLsizei Width, Height; /**< size */ |
| GLfloat Near, Far; /**< Depth buffer range */ |
| GLmatrix _WindowMap; /**< Mapping transformation as a matrix. */ |
| }; |
| |
| |
| /** |
| * Node for the attribute stack. |
| */ |
| 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 |
| { |
| GLint RefCount; |
| GLuint Name; |
| GLenum Usage; |
| GLenum Access; |
| GLvoid *Pointer; /**< Only valid while buffer is mapped */ |
| 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) */ |
| }; |
| |
| |
| |
| /** |
| * Client pixel packing/unpacking attributes |
| */ |
| struct gl_pixelstore_attrib |
| { |
| GLint Alignment; |
| GLint RowLength; |
| GLint SkipPixels; |
| GLint SkipRows; |
| GLint ImageHeight; /**< for GL_EXT_texture3D */ |
| GLint SkipImages; /**< for GL_EXT_texture3D */ |
| GLboolean SwapBytes; |
| GLboolean LsbFirst; |
| GLboolean ClientStorage; /**< GL_APPLE_client_storage */ |
| GLboolean Invert; /**< GL_MESA_pack_invert */ |
| struct gl_buffer_object *BufferObj; /**< GL_ARB_pixel_buffer_object */ |
| }; |
| |
| |
| #define CA_CLIENT_DATA 0x1 /**< Data not allocated by mesa */ |
| |
| |
| /** |
| * Client vertex array attributes |
| */ |
| 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 */ |
| 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; |
| |
| GLbitfield Flags; |
| }; |
| |
| |
| /** |
| * Vertex array state |
| */ |
| struct gl_array_attrib |
| { |
| struct gl_client_array Vertex; /**< client data descriptors */ |
| struct gl_client_array Normal; |
| struct gl_client_array Color; |
| struct gl_client_array SecondaryColor; |
| struct gl_client_array FogCoord; |
| 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 */ |
| |
| GLint ActiveTexture; /**< Client Active Texture */ |
| GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */ |
| GLuint LockCount; /**< GL_EXT_compiled_vertex_array */ |
| |
| GLbitfield _Enabled; /**< _NEW_ARRAY_* - bit set if array enabled */ |
| GLbitfield NewState; /**< _NEW_ARRAY_* */ |
| |
| #if FEATURE_ARB_vertex_buffer_object |
| struct gl_buffer_object *NullBufferObj; |
| struct gl_buffer_object *ArrayBufferObj; |
| struct gl_buffer_object *ElementArrayBufferObj; |
| #endif |
| GLuint _MaxElement; /* Min of all enabled array's maxes */ |
| }; |
| |
| |
| /** |
| * Feedback buffer state |
| */ |
| struct gl_feedback |
| { |
| GLenum Type; |
| GLbitfield _Mask; /* FB_* bits */ |
| GLfloat *Buffer; |
| GLuint BufferSize; |
| GLuint Count; |
| }; |
| |
| |
| /** |
| * Selection buffer state |
| */ |
| struct gl_selection |
| { |
| GLuint *Buffer; /**< selection buffer */ |
| GLuint BufferSize; /**< size of the selection buffer */ |
| GLuint BufferCount; /**< number of values in the selection buffer */ |
| GLuint Hits; /**< number of records in the selection buffer */ |
| GLuint NameStackDepth; /**< name stack depth */ |
| GLuint NameStack[MAX_NAME_STACK_DEPTH]; /**< name stack */ |
| GLboolean HitFlag; /**< hit flag */ |
| GLfloat HitMinZ; /**< minimum hit depth */ |
| GLfloat HitMaxZ; /**< maximum hit depth */ |
| }; |
| |
| |
| /** |
| * 1-D Evaluator control points |
| */ |
| struct gl_1d_map |
| { |
| GLuint Order; /**< Number of control points */ |
| GLfloat u1, u2, du; /**< u1, u2, 1.0/(u2-u1) */ |
| GLfloat *Points; /**< Points to contiguous control points */ |
| }; |
| |
| |
| /** |
| * 2-D Evaluator control points |
| */ |
| struct gl_2d_map |
| { |
| GLuint Uorder; /**< Number of control points in U dimension */ |
| GLuint Vorder; /**< Number of control points in V dimension */ |
| GLfloat u1, u2, du; |
| GLfloat v1, v2, dv; |
| GLfloat *Points; /**< Points to contiguous control points */ |
| }; |
| |
| |
| /** |
| * All evaluator control point state |
| */ |
| struct gl_evaluators |
| { |
| /** |
| * \name 1-D maps |
| */ |
| /*@{*/ |
| struct gl_1d_map Map1Vertex3; |
| struct gl_1d_map Map1Vertex4; |
| struct gl_1d_map Map1Index; |
| struct gl_1d_map Map1Color4; |
| struct gl_1d_map Map1Normal; |
| struct gl_1d_map Map1Texture1; |
| struct gl_1d_map Map1Texture2; |
| struct gl_1d_map Map1Texture3; |
| struct gl_1d_map Map1Texture4; |
| struct gl_1d_map Map1Attrib[16]; /**< GL_NV_vertex_program */ |
| /*@}*/ |
| |
| /** |
| * \name 2-D maps |
| */ |
| /*@{*/ |
| struct gl_2d_map Map2Vertex3; |
| struct gl_2d_map Map2Vertex4; |
| struct gl_2d_map Map2Index; |
| struct gl_2d_map Map2Color4; |
| struct gl_2d_map Map2Normal; |
| struct gl_2d_map Map2Texture1; |
| struct gl_2d_map Map2Texture2; |
| struct gl_2d_map Map2Texture3; |
| struct gl_2d_map Map2Texture4; |
| struct gl_2d_map Map2Attrib[16]; /**< GL_NV_vertex_program */ |
| /*@}*/ |
| }; |
| |
| |
| /** |
| * NV_fragment_program runtime state |
| */ |
| struct fp_machine |
| { |
| GLfloat Temporaries[MAX_NV_FRAGMENT_PROGRAM_TEMPS][4]; |
| GLfloat Inputs[MAX_NV_FRAGMENT_PROGRAM_INPUTS][4]; |
| GLfloat Outputs[MAX_NV_FRAGMENT_PROGRAM_OUTPUTS][4]; |
| GLuint CondCodes[4]; |
| }; |
| |
| /** |
| * ATI_fragment_shader runtime state |
| */ |
| #define ATI_FS_INPUT_PRIMARY 0 |
| #define ATI_FS_INPUT_SECONDARY 1 |
| |
| /* 6 register sets - 2 inputs (primary, secondary) */ |
| struct atifs_machine |
| { |
| GLfloat Registers[6][4]; |
| GLfloat PrevPassRegisters[6][4]; |
| GLfloat Inputs[2][4]; |
| GLuint pass; |
| }; |
| |
| |
| /** |
| * 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 = 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 prog_instruction; |
| struct atifs_instruction; |
| struct atifs_setupinst; |
| struct program_parameter_list; |
| |
| |
| /** |
| * Base class for any kind of program object |
| */ |
| struct program |
| { |
| GLuint Id; |
| GLubyte *String; /**< Null-terminated program text */ |
| 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]; |
| |
| /** 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; |
| /*@}*/ |
| }; |
| |
| |
| /** Vertex program object */ |
| struct vertex_program |
| { |
| struct program Base; /* base class */ |
| GLboolean IsNVProgram; /* GL_NV_vertex_program ? */ |
| GLboolean IsPositionInvariant; /* GL_NV_vertex_program1_1 */ |
| void *TnlData; /* should probably use Base.DriverData */ |
| }; |
| |
| |
| /** Fragment program object */ |
| struct fragment_program |
| { |
| struct program Base; /**< base class */ |
| 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; |
| GLboolean UsesKill; |
| }; |
| |
| struct ati_fragment_shader |
| { |
| struct program Base; |
| struct atifs_instruction *Instructions[2]; |
| struct atifs_setupinst *SetupInst[2]; |
| GLfloat Constants[8][4]; |
| GLuint localConstDef; |
| GLubyte numArithInstr[2]; |
| GLubyte regsAssigned[2]; |
| GLubyte NumPasses; |
| GLubyte cur_pass; |
| GLubyte last_optype; |
| GLboolean interpinp1; |
| GLboolean isValid; |
| GLuint swizzlerq; |
| }; |
| |
| /** |
| * State common to vertex and fragment programs. |
| */ |
| 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 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 */ |
| 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]; |
| |
| GLfloat Parameters[MAX_NV_VERTEX_PROGRAM_PARAMS][4]; /* Env params */ |
| /* Only used during program execution (may be moved someday): */ |
| GLfloat Temporaries[MAX_NV_VERTEX_PROGRAM_TEMPS][4]; |
| GLfloat Inputs[MAX_NV_VERTEX_PROGRAM_INPUTS][4]; |
| GLuint InputsSize[MAX_NV_VERTEX_PROGRAM_INPUTS]; |
| GLfloat Outputs[MAX_NV_VERTEX_PROGRAM_OUTPUTS][4]; |
| GLint AddressReg[4]; |
| |
| #if FEATURE_MESA_program_debug |
| GLprogramcallbackMESA Callback; |
| GLvoid *CallbackData; |
| GLboolean CallbackEnabled; |
| GLuint CurrentPosition; |
| #endif |
| }; |
| |
| |
| /** |
| * State for GL_ARB/NV_fragment_program |
| */ |
| struct gl_fragment_program_state |
| { |
| GLboolean Enabled; /* GL_VERTEX_PROGRAM_NV */ |
| GLboolean _Enabled; /* Really enabled? */ |
| GLboolean _Active; /* Really really enabled? */ |
| 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 */ |
| |
| #if FEATURE_MESA_program_debug |
| GLprogramcallbackMESA Callback; |
| GLvoid *CallbackData; |
| GLboolean CallbackEnabled; |
| GLuint CurrentPosition; |
| #endif |
| }; |
| |
| |
| /** |
| * State for GL_ATI_fragment_shader |
| */ |
| struct gl_ati_fragment_shader_state |
| { |
| GLboolean Enabled; |
| GLboolean _Enabled; |
| GLboolean Compiling; |
| GLfloat globalConstants[8][4]; |
| struct atifs_machine Machine; /* machine state */ |
| struct ati_fragment_shader *Current; |
| }; |
| |
| |
| struct gl_query_object |
| { |
| GLuint Id; |
| GLuint Result; /* the counter */ |
| GLboolean Active; /* inside Begin/EndQuery */ |
| GLboolean Ready; /* result is ready */ |
| }; |
| |
| |
| struct gl_query_state |
| { |
| struct _mesa_HashTable *QueryObjects; |
| struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */ |
| struct gl_query_object *CurrentTimerObject; /* GL_EXT_timer_query */ |
| }; |
| |
| |
| /** |
| ** XXX do these gl2 structs really neeed to be here? |
| **/ |
| |
| /** |
| * gl2 unique interface identifier. |
| * Each gl2 interface has its own interface id used for object queries. |
| */ |
| enum gl2_uiid |
| { |
| UIID_UNKNOWN, /* supported by all objects */ |
| UIID_GENERIC, /* generic object */ |
| UIID_CONTAINER, /* contains generic objects */ |
| UIID_SHADER, /* shader object */ |
| UIID_FRAGMENT_SHADER, /* fragment shader */ |
| UIID_VERTEX_SHADER, /* vertex shader */ |
| UIID_PROGRAM, /* program object */ |
| UIID_3DLABS_SHHANDLE /* encapsulates 3dlabs' ShHandle */ |
| }; |
| |
| struct gl2_unknown_intf |
| { |
| GLvoid (* AddRef) (struct gl2_unknown_intf **); |
| GLvoid (* Release) (struct gl2_unknown_intf **); |
| struct gl2_unknown_intf **(* QueryInterface) (struct gl2_unknown_intf **, enum gl2_uiid uiid); |
| }; |
| |
| struct gl2_generic_intf |
| { |
| struct gl2_unknown_intf _unknown; |
| GLvoid (* Delete) (struct gl2_generic_intf **); |
| GLenum (* GetType) (struct gl2_generic_intf **); |
| GLhandleARB (* GetName) (struct gl2_generic_intf **); |
| GLboolean (* GetDeleteStatus) (struct gl2_generic_intf **); |
| const GLcharARB *(* GetInfoLog) (struct gl2_generic_intf **); |
| }; |
| |
| struct gl2_container_intf |
| { |
| struct gl2_generic_intf _generic; |
| GLboolean (* Attach) (struct gl2_container_intf **, struct gl2_generic_intf **); |
| GLboolean (* Detach) (struct gl2_container_intf **, struct gl2_generic_intf **); |
| GLsizei (* GetAttachedCount) (struct gl2_container_intf **); |
| struct gl2_generic_intf **(* GetAttached) (struct gl2_container_intf **, GLuint); |
| }; |
| |
| struct gl2_shader_intf |
| { |
| struct gl2_generic_intf _generic; |
| GLenum (* GetSubType) (struct gl2_shader_intf **); |
| GLboolean (* GetCompileStatus) (struct gl2_shader_intf **); |
| GLvoid (* SetSource) (struct gl2_shader_intf **, GLcharARB *, GLint *, GLsizei); |
| const GLcharARB *(* GetSource) (struct gl2_shader_intf **); |
| GLvoid (* Compile) (struct gl2_shader_intf **); |
| }; |
| |
| struct gl2_program_intf |
| { |
| struct gl2_container_intf _container; |
| GLboolean (* GetLinkStatus) (struct gl2_program_intf **); |
| GLboolean (* GetValidateStatus) (struct gl2_program_intf **); |
| GLvoid (* Link) (struct gl2_program_intf **); |
| GLvoid (* Validate) (struct gl2_program_intf **); |
| }; |
| |
| struct gl2_fragment_shader_intf |
| { |
| struct gl2_shader_intf _shader; |
| }; |
| |
| struct gl2_vertex_shader_intf |
| { |
| struct gl2_shader_intf _shader; |
| }; |
| |
| struct gl2_3dlabs_shhandle_intf |
| { |
| struct gl2_unknown_intf _unknown; |
| GLvoid *(* GetShHandle) (struct gl2_3dlabs_shhandle_intf **); |
| }; |
| |
| struct gl_shader_objects_state |
| { |
| struct gl2_program_intf **current_program; |
| }; |
| |
| |
| /** |
| * State which can be shared by multiple contexts: |
| */ |
| struct gl_shared_state |
| { |
| _glthread_Mutex Mutex; /**< for thread safety */ |
| GLint RefCount; /**< Reference count */ |
| struct _mesa_HashTable *DisplayList; /**< Display lists hash table */ |
| struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */ |
| |
| /** |
| * \name Default texture objects (shared by all multi-texture units) |
| */ |
| /*@{*/ |
| struct gl_texture_object *Default1D; |
| struct gl_texture_object *Default2D; |
| struct gl_texture_object *Default3D; |
| struct gl_texture_object *DefaultCubeMap; |
| struct gl_texture_object *DefaultRect; |
| /*@}*/ |
| |
| /** |
| * \name Vertex/fragment programs |
| */ |
| /*@{*/ |
| struct _mesa_HashTable *Programs; /**< All vertex/fragment programs */ |
| #if FEATURE_ARB_vertex_program |
| struct program *DefaultVertexProgram; |
| #endif |
| #if FEATURE_ARB_fragment_program |
| struct program *DefaultFragmentProgram; |
| #endif |
| #if FEATURE_ATI_fragment_shader |
| struct program *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 */ |
| }; |
| |
| |
| |
| |
| /** |
| * 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. |
| * |
| * 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 |
| { |
| GLuint Name; |
| GLint RefCount; |
| GLuint Width, Height; |
| GLenum InternalFormat; /* The user-specified value */ |
| 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 per image component */ |
| 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_framebuffer |
| { |
| GLuint Name; /* if zero, this is a window system framebuffer */ |
| GLint RefCount; |
| |
| GLvisual Visual; /**< The corresponding visual */ |
| |
| GLboolean Initialized; |
| |
| GLuint Width, Height; /**< size of frame buffer in pixels */ |
| |
| /** \name Drawing bounds (Intersection of buffer size and scissor box) */ |
| /*@{*/ |
| GLint _Xmin, _Xmax; /**< inclusive */ |
| GLint _Ymin, _Ymax; /**< exclusive */ |
| /*@}*/ |
| |
| /** \name Derived Z buffer stuff */ |
| /*@{*/ |
| GLuint _DepthMax; /**< Max depth buffer value */ |
| GLfloat _DepthMaxF; /**< Float max depth buffer value */ |
| GLfloat _MRD; /**< minimum resolvable difference in Z values */ |
| /*@}*/ |
| |
| GLenum _Status; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */ |
| |
| /* Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */ |
| struct gl_renderbuffer_attachment Attachment[BUFFER_COUNT]; |
| |
| /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER |
| * attribute group and GL_PIXEL attribute group, respectively. |
| */ |
| 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; |
| |
| /** 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; |
| }; |
| |
| |
| /** |
| * Constants which may be overridden by device driver during context creation |
| * but are never changed after that. |
| */ |
| struct gl_constants |
| { |
| GLint MaxTextureLevels; /**< Maximum number of allowed mipmap levels. */ |
| GLint Max3DTextureLevels; /**< Maximum number of allowed mipmap levels for 3D texture targets. */ |
| GLint MaxCubeTextureLevels; /**< Maximum number of allowed mipmap levels for GL_ARB_texture_cube_map */ |
| GLint MaxTextureRectSize; /* GL_NV_texture_rectangle */ |
| GLuint MaxTextureCoordUnits; |
| GLuint MaxTextureImageUnits; |
| GLuint MaxTextureUnits; /* = MAX(CoordUnits, ImageUnits) */ |
| GLfloat MaxTextureMaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */ |
| GLfloat MaxTextureLodBias; /* GL_EXT_texture_lod_bias */ |
| GLuint MaxArrayLockSize; |
| GLint SubPixelBits; |
| GLfloat MinPointSize, MaxPointSize; /* aliased */ |
| GLfloat MinPointSizeAA, MaxPointSizeAA; /* antialiased */ |
| GLfloat PointSizeGranularity; |
| GLfloat MinLineWidth, MaxLineWidth; /* aliased */ |
| GLfloat MinLineWidthAA, MaxLineWidthAA; /* antialiased */ |
| GLfloat LineWidthGranularity; |
| GLuint MaxColorTableSize; |
| GLuint MaxConvolutionWidth; |
| GLuint MaxConvolutionHeight; |
| GLuint MaxClipPlanes; |
| GLuint MaxLights; |
| GLfloat MaxShininess; /* GL_NV_light_max_exponent */ |
| GLfloat MaxSpotExponent; /* GL_NV_light_max_exponent */ |
| GLuint MaxViewportWidth, MaxViewportHeight; |
| 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; |
| }; |
| |
| |
| /** |
| * Enable flag for each OpenGL extension. Different device drivers will |
| * enable different extensions at runtime. |
| */ |
| struct gl_extensions |
| { |
| /** |
| * \name Flags to quickly test if certain extensions are available. |
| * |
| * Not every extension needs to have such a flag, but it's encouraged. |
| */ |
| /*@{*/ |
| GLboolean dummy; /* don't remove this! */ |
| 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_texture_cube_map; |
| GLboolean ARB_texture_env_combine; |
| GLboolean ARB_texture_env_crossbar; |
| GLboolean ARB_texture_env_dot3; |
| GLboolean ARB_texture_float; |
| GLboolean ARB_texture_mirrored_repeat; |
| GLboolean ARB_texture_non_power_of_two; |
| 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_blend_color; |
| GLboolean EXT_blend_equation_separate; |
| GLboolean EXT_blend_func_separate; |
| GLboolean EXT_blend_logic_op; |
| GLboolean EXT_blend_minmax; |
| GLboolean EXT_blend_subtract; |
| GLboolean EXT_clip_volume_hint; |
| GLboolean EXT_cull_vertex; |
| GLboolean EXT_convolution; |
| GLboolean EXT_compiled_vertex_array; |
| 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_polygon_offset; |
| GLboolean EXT_rescale_normal; |
| GLboolean EXT_shadow_funcs; |
| GLboolean EXT_secondary_color; |
| GLboolean EXT_separate_specular_color; |
| GLboolean EXT_shared_texture_palette; |
| GLboolean EXT_stencil_wrap; |
| GLboolean EXT_stencil_two_side; |
| GLboolean EXT_subtexture; |
| GLboolean EXT_texture; |
| GLboolean EXT_texture_object; |
| GLboolean EXT_texture3D; |
| GLboolean EXT_texture_compression_s3tc; |
| GLboolean EXT_texture_env_add; |
| GLboolean EXT_texture_env_combine; |
| GLboolean EXT_texture_env_dot3; |
| 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_client_storage; |
| GLboolean APPLE_packed_pixels; |
| GLboolean ATI_texture_mirror_once; |
| GLboolean ATI_texture_env_combine3; |
| GLboolean ATI_fragment_shader; |
| GLboolean IBM_rasterpos_clip; |
| GLboolean IBM_multimode_draw_arrays; |
| GLboolean MESA_pack_invert; |
| GLboolean MESA_packed_depth_stencil; |
| GLboolean MESA_program_debug; |
| GLboolean MESA_resize_buffers; |
| GLboolean MESA_ycbcr_texture; |
| GLboolean NV_blend_square; |
| GLboolean NV_fragment_program; |
| GLboolean NV_light_max_exponent; |
| GLboolean NV_point_sprite; |
| GLboolean NV_texgen_reflection; |
| 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; |
| GLboolean S3_s3tc; |
| /*@}*/ |
| /* The extension string */ |
| const GLubyte *String; |
| }; |
| |
| |
| /** |
| * A stack of matrices (projection, modelview, color, texture, etc). |
| */ |
| struct matrix_stack |
| { |
| GLmatrix *Top; /**< points into Stack */ |
| GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */ |
| GLuint Depth; /**< 0 <= Depth < MaxDepth */ |
| GLuint MaxDepth; /**< size of Stack[] array */ |
| GLuint DirtyFlag; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */ |
| }; |
| |
| |
| /** |
| * \name Bits for image transfer operations |
| * |
| * \sa __GLcontextRec::ImageTransferState. |
| */ |
| /*@{*/ |
| #define IMAGE_SCALE_BIAS_BIT 0x1 |
| #define IMAGE_SHIFT_OFFSET_BIT 0x2 |
| #define IMAGE_MAP_COLOR_BIT 0x4 |
| #define IMAGE_COLOR_TABLE_BIT 0x8 |
| #define IMAGE_CONVOLUTION_BIT 0x10 |
| #define IMAGE_POST_CONVOLUTION_SCALE_BIAS 0x20 |
| #define IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT 0x40 |
| #define IMAGE_COLOR_MATRIX_BIT 0x80 |
| #define IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT 0x100 |
| #define IMAGE_HISTOGRAM_BIT 0x200 |
| #define IMAGE_MIN_MAX_BIT 0x400 |
| #define IMAGE_CLAMP_BIT 0x800 /* extra */ |
| |
| |
| /** 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) |
| |
| /** 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 | \ |
| IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT |\ |
| IMAGE_HISTOGRAM_BIT | \ |
| IMAGE_MIN_MAX_BIT) |
| /*@}*/ |
| |
| |
| /** |
| * \name Bits to indicate what state has changed. |
| * |
| * 4 unused flags. |
| */ |
| /*@{*/ |
| #define _NEW_MODELVIEW 0x1 /**< __GLcontextRec::ModelView */ |
| #define _NEW_PROJECTION 0x2 /**< __GLcontextRec::Projection */ |
| #define _NEW_TEXTURE_MATRIX 0x4 /**< __GLcontextRec::TextureMatrix */ |
| #define _NEW_COLOR_MATRIX 0x8 /**< __GLcontextRec::ColorMatrix */ |
| #define _NEW_ACCUM 0x10 /**< __GLcontextRec::Accum */ |
| #define _NEW_COLOR 0x20 /**< __GLcontextRec::Color */ |
| #define _NEW_DEPTH 0x40 /**< __GLcontextRec::Depth */ |
| #define _NEW_EVAL 0x80 /**< __GLcontextRec::Eval, __GLcontextRec::EvalMap */ |
| #define _NEW_FOG 0x100 /**< __GLcontextRec::Fog */ |
| #define _NEW_HINT 0x200 /**< __GLcontextRec::Hint */ |
| #define _NEW_LIGHT 0x400 /**< __GLcontextRec::Light */ |
| #define _NEW_LINE 0x800 /**< __GLcontextRec::Line */ |
| #define _NEW_PIXEL 0x1000 /**< __GLcontextRec::Pixel */ |
| #define _NEW_POINT 0x2000 /**< __GLcontextRec::Point */ |
| #define _NEW_POLYGON 0x4000 /**< __GLcontextRec::Polygon */ |
| #define _NEW_POLYGONSTIPPLE 0x8000 /**< __GLcontextRec::PolygonStipple */ |
| #define _NEW_SCISSOR 0x10000 /**< __GLcontextRec::Scissor */ |
| #define _NEW_STENCIL 0x20000 /**< __GLcontextRec::Stencil */ |
| #define _NEW_TEXTURE 0x40000 /**< __GLcontextRec::Texture */ |
| #define _NEW_TRANSFORM 0x80000 /**< __GLcontextRec::Transform */ |
| #define _NEW_VIEWPORT 0x100000 /**< __GLcontextRec::Viewport */ |
| #define _NEW_PACKUNPACK 0x200000 /**< __GLcontextRec::Pack, __GLcontextRec::Unpack */ |
| #define _NEW_ARRAY 0x400000 /**< __GLcontextRec::Array */ |
| #define _NEW_RENDERMODE 0x800000 /**< __GLcontextRec::RenderMode, __GLcontextRec::Feedback, __GLcontextRec::Select */ |
| #define _NEW_BUFFERS 0x1000000 /**< __GLcontextRec::Visual, __GLcontextRec::DrawBuffer, */ |
| #define _NEW_MULTISAMPLE 0x2000000 /**< __GLcontextRec::Multisample */ |
| #define _NEW_TRACK_MATRIX 0x4000000 /**< __GLcontextRec::VertexProgram */ |
| #define _NEW_PROGRAM 0x8000000 /**< __GLcontextRec::VertexProgram */ |
| #define _NEW_ALL ~0 |
| /*@}*/ |
| |
| |
| /** |
| * \name Bits to track array state changes |
| * |
| * Also used to summarize array enabled. |
| */ |
| /*@{*/ |
| #define _NEW_ARRAY_VERTEX VERT_BIT_POS |
| #define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT |
| #define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL |
| #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_EDGEFLAG VERT_BIT_SEVEN |
| #define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0 |
| #define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1 |
| #define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2 |
| #define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3 |
| #define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4 |
| #define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5 |
| #define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6 |
| #define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7 |
| #define _NEW_ARRAY_ATTRIB_0 0x10000 /* start at bit 16 */ |
| #define _NEW_ARRAY_ALL 0xffffffff |
| |
| |
| #define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i)) |
| #define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i)) |
| /*@}*/ |
| |
| |
| /** |
| * \name A bunch of flags that we think might be useful to drivers. |
| * |
| * Set in the __GLcontextRec::_TriangleCaps bitfield. |
| */ |
| /*@{*/ |
| #define DD_FLATSHADE 0x1 |
| #define DD_SEPARATE_SPECULAR 0x2 |
| #define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */ |
| #define DD_TRI_LIGHT_TWOSIDE 0x8 |
| #define DD_TRI_UNFILLED 0x10 |
| #define DD_TRI_SMOOTH 0x20 |
| #define DD_TRI_STIPPLE 0x40 |
| #define DD_TRI_OFFSET 0x80 |
| #define DD_LINE_SMOOTH 0x100 |
| #define DD_LINE_STIPPLE 0x200 |
| #define DD_LINE_WIDTH 0x400 |
| #define DD_POINT_SMOOTH 0x800 |
| #define DD_POINT_SIZE 0x1000 |
| #define DD_POINT_ATTEN 0x2000 |
| #define DD_TRI_TWOSTENCIL 0x4000 |
| /*@}*/ |
| |
| |
| /** |
| * \name Define the state changes under which each of these bits might change |
| */ |
| /*@{*/ |
| #define _DD_NEW_FLATSHADE _NEW_LIGHT |
| #define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM) |
| #define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON |
| #define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT |
| #define _DD_NEW_TRI_UNFILLED _NEW_POLYGON |
| #define _DD_NEW_TRI_SMOOTH _NEW_POLYGON |
| #define _DD_NEW_TRI_STIPPLE _NEW_POLYGON |
| #define _DD_NEW_TRI_OFFSET _NEW_POLYGON |
| #define _DD_NEW_LINE_SMOOTH _NEW_LINE |
| #define _DD_NEW_LINE_STIPPLE _NEW_LINE |
| #define _DD_NEW_LINE_WIDTH _NEW_LINE |
| #define _DD_NEW_POINT_SMOOTH _NEW_POINT |
| #define _DD_NEW_POINT_SIZE _NEW_POINT |
| #define _DD_NEW_POINT_ATTEN _NEW_POINT |
| /*@}*/ |
| |
| |
| #define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \ |
| _NEW_TEXTURE | \ |
| _NEW_POINT | \ |
| _NEW_MODELVIEW) |
| |
| #define _MESA_NEW_NEED_NORMALS (_NEW_LIGHT | \ |
| _NEW_TEXTURE) |
| |
| #define _IMAGE_NEW_TRANSFER_STATE (_NEW_PIXEL | _NEW_COLOR_MATRIX) |
| |
| |
| |
| |
| /* |
| * Forward declaration of display list data types: |
| */ |
| union node; |
| typedef union node Node; |
| |
| |
| /* This has to be included here. */ |
| #include "dd.h" |
| |
| |
| #define NUM_VERTEX_FORMAT_ENTRIES (sizeof(GLvertexformat) / sizeof(void *)) |
| |
| /** |
| * Core Mesa's support for tnl modules: |
| */ |
| struct gl_tnl_module |
| { |
| /** |
| * Vertex format to be lazily swapped into current dispatch. |
| */ |
| const GLvertexformat *Current; |
| |
| /** |
| * \name Record of functions swapped out. |
| * On restore, only need to swap these functions back in. |
| */ |
| /*@{*/ |
| struct { |
| _glapi_proc * location; |
| _glapi_proc function; |
| } Swapped[NUM_VERTEX_FORMAT_ENTRIES]; |
| GLuint SwapCount; |
| /*@}*/ |
| }; |
| |
| /* 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]; |
| GLfloat CurrentAttrib[VERT_ATTRIB_MAX][4]; |
| |
| GLubyte ActiveMaterialSize[MAT_ATTRIB_MAX]; |
| GLfloat CurrentMaterial[MAT_ATTRIB_MAX][4]; |
| |
| GLubyte ActiveIndex; |
| GLfloat CurrentIndex; |
| |
| GLubyte ActiveEdgeFlag; |
| GLboolean CurrentEdgeFlag; |
| }; |
| |
| |
| /** |
| * 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 |
| { |
| /** |
| * \name OS related interfaces. |
| * |
| * These \b must be the first members of this structure, because they are |
| * exposed to the outside world (i.e. GLX extension). |
| */ |
| /*@{*/ |
| __GLimports imports; |
| __GLexports exports; |
| /*@}*/ |
| |
| /** State possibly shared with other contexts in the address space */ |
| struct gl_shared_state *Shared; |
| |
| /** \name API function pointer tables */ |
| /*@{*/ |
| struct _glapi_table *Save; /**< Display list save functions */ |
| struct _glapi_table *Exec; /**< Execute functions */ |
| struct _glapi_table *CurrentDispatch; /**< == Save or Exec !! */ |
| /*@}*/ |
| |
| 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 |
| */ |
| struct dd_function_table Driver; |
| |
| void *DriverCtx; /**< Points to device driver context/state */ |
| void *DriverMgrCtx; /**< Points to device driver manager (optional)*/ |
| |
| /** Core/Driver constants */ |
| struct gl_constants Const; |
| |
| /** \name The various 4x4 matrix stacks */ |
| /*@{*/ |
| struct matrix_stack ModelviewMatrixStack; |
| struct matrix_stack ProjectionMatrixStack; |
| struct matrix_stack ColorMatrixStack; |
| struct matrix_stack TextureMatrixStack[MAX_TEXTURE_COORD_UNITS]; |
| struct matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES]; |
| struct matrix_stack *CurrentStack; /**< Points to one of the above stacks */ |
| /*@}*/ |
| |
| /** Combined modelview and projection matrix */ |
| GLmatrix _ModelProjectMatrix; |
| |
| /** \name Display lists */ |
| struct mesa_list_state ListState; |
| |
| GLboolean ExecuteFlag; /**< Execute GL commands? */ |
| GLboolean CompileFlag; /**< Compile GL commands into display list? */ |
| |
| /** Extension information */ |
| struct gl_extensions Extensions; |
| |
| /** \name State attribute stack (for glPush/PopAttrib) */ |
| /*@{*/ |
| GLuint AttribStackDepth; |
| struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH]; |
| /*@}*/ |
| |
| /** \name Renderer attribute groups |
| * |
| * We define a struct for each attribute group to make pushing and popping |
| * attributes easy. Also it's a good organization. |
| */ |
| /*@{*/ |
| 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_fog_attrib Fog; /**< Fog attributes */ |
| struct gl_hint_attrib Hint; /**< Hint attributes */ |
| struct gl_light_attrib Light; /**< Light attributes */ |
| struct gl_line_attrib Line; /**< Line attributes */ |
| struct gl_list_attrib List; /**< List attributes */ |
| struct gl_multisample_attrib Multisample; |
| struct gl_pixel_attrib Pixel; /**< Pixel attributes */ |
| struct gl_point_attrib Point; /**< Point attributes */ |
| struct gl_polygon_attrib Polygon; /**< Polygon attributes */ |
| GLuint PolygonStipple[32]; /**< Polygon stipple */ |
| struct gl_scissor_attrib Scissor; /**< Scissor attributes */ |
| struct gl_stencil_attrib Stencil; /**< Stencil buffer attributes */ |
| struct gl_texture_attrib Texture; /**< Texture attributes */ |
| struct gl_transform_attrib Transform; /**< Transformation attributes */ |
| struct gl_viewport_attrib Viewport; /**< Viewport attributes */ |
| /*@}*/ |
| |
| /** \name Client attribute stack */ |
| /*@{*/ |
| GLuint ClientAttribStackDepth; |
| struct gl_attrib_node *ClientAttribStack[MAX_CLIENT_ATTRIB_STACK_DEPTH]; |
| /*@}*/ |
| |
| /** \name Client attribute groups */ |
| /*@{*/ |
| struct gl_array_attrib Array; /**< Vertex arrays */ |
| 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_selection Select; /**< Selection */ |
| |
| struct gl_color_table ColorTable; /**< Pre-convolution */ |
| struct gl_color_table ProxyColorTable; /**< Pre-convolution */ |
| struct gl_color_table PostConvolutionColorTable; |
| struct gl_color_table ProxyPostConvolutionColorTable; |
| struct gl_color_table PostColorMatrixColorTable; |
| struct gl_color_table ProxyPostColorMatrixColorTable; |
| |
| 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 gl_ati_fragment_shader_state ATIFragmentShader; /**< GL_ATI_fragment_shader */ |
| |
| struct fragment_program *_TexEnvProgram; /**< Texture state as fragment program */ |
| struct vertex_program *_TnlProgram; /**< Fixed func TNL state as vertex program */ |
| |
| GLboolean _MaintainTexEnvProgram; |
| GLboolean _MaintainTnlProgram; |
| |
| 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 */ |
| GLbitfield NewState; /**< bitwise-or of _NEW_* flags */ |
| |
| /** \name Derived state */ |
| /*@{*/ |
| GLbitfield _TriangleCaps; /**< bitwise-or of DD_* flags */ |
| GLbitfield _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */ |
| GLfloat _EyeZDir[3]; |
| GLfloat _ModelViewInvScale; |
| GLboolean _NeedEyeCoords; |
| GLboolean _ForceEyeCoords; |
| GLboolean _RotateMode; |
| GLenum _CurrentProgram; /* currently executing program */ |
| |
| struct gl_shine_tab *_ShineTable[2]; /**< Active shine tables */ |
| struct gl_shine_tab *_ShineTabList; /**< MRU list of inactive shine tables */ |
| /**@}*/ |
| |
| struct gl_list_extensions ListExt; /**< driver dlist extensions */ |
| |
| |
| 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 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; |
| |
| /** |
| * \name Hooks for module contexts. |
| * |
| * These will eventually live in the driver or elsewhere. |
| */ |
| /*@{*/ |
| void *swrast_context; |
| void *swsetup_context; |
| void *swtnl_context; |
| void *swtnl_im; |
| void *acache_context; |
| void *aelt_context; |
| /*@}*/ |
| }; |
| |
| |
| /** The string names for GL_POINT, GL_LINE_LOOP, etc */ |
| extern const char *_mesa_prim_name[GL_POLYGON+4]; |
| |
| |
| #ifdef DEBUG |
| extern int MESA_VERBOSE; |
| extern int MESA_DEBUG_FLAGS; |
| # define MESA_FUNCTION __FUNCTION__ |
| #else |
| # define MESA_VERBOSE 0 |
| # define MESA_DEBUG_FLAGS 0 |
| # define MESA_FUNCTION "a function" |
| # ifndef NDEBUG |
| # define NDEBUG |
| # endif |
| #endif |
| |
| |
| enum _verbose |
| { |
| VERBOSE_VARRAY = 0x0001, |
| VERBOSE_TEXTURE = 0x0002, |
| VERBOSE_IMMEDIATE = 0x0004, |
| VERBOSE_PIPELINE = 0x0008, |
| VERBOSE_DRIVER = 0x0010, |
| VERBOSE_STATE = 0x0020, |
| VERBOSE_API = 0x0040, |
| VERBOSE_DISPLAY_LIST = 0x0100, |
| VERBOSE_LIGHTING = 0x0200, |
| VERBOSE_PRIMS = 0x0400, |
| VERBOSE_VERTS = 0x0800, |
| VERBOSE_DISASSEM = 0x1000 |
| }; |
| |
| |
| enum _debug |
| { |
| DEBUG_ALWAYS_FLUSH = 0x1 |
| }; |
| |
| |
| |
| #define Elements(x) sizeof(x)/sizeof(*(x)) |
| |
| |
| #endif /* TYPES_H */ |