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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/mtypes.h')
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1 files changed, 0 insertions, 2930 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/mtypes.h b/nx-X11/extras/Mesa/src/mesa/main/mtypes.h deleted file mode 100644 index 2a0bbd942..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/mtypes.h +++ /dev/null @@ -1,2930 +0,0 @@ -/** - * \file mtypes.h - * Main Mesa data structures. - * - * Please try to mark derived values with a leading underscore ('_'). - */ - -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * 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 "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 - - -#if ACCUM_BITS != 16 -/* Software accum done with GLshort at this time */ -# error "illegal number of accumulation bits" -#endif - - -/** - * Stencil buffer data type. - */ -#if STENCIL_BITS==8 - typedef GLubyte GLstencil; -# define STENCIL_MAX 0xff -#elif STENCIL_BITS==16 - typedef GLushort GLstencil; -# define STENCIL_MAX 0xffff -#else -# error "illegal number of stencil bits" -#endif - - -/** - * Used for storing intermediate depth buffer values. - * The actual depth/Z buffer might use 16 or 32-bit values. - * - * \note Must be 32-bits! - */ -typedef GLuint GLdepth; - - -/** - * 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 -}; - -/** - * 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_BFC0 3 -#define VERT_RESULT_BFC1 4 -#define VERT_RESULT_FOGC 5 -#define VERT_RESULT_PSIZ 6 -#define VERT_RESULT_TEX0 7 -#define VERT_RESULT_TEX1 8 -#define VERT_RESULT_TEX2 9 -#define VERT_RESULT_TEX3 10 -#define VERT_RESULT_TEX4 11 -#define VERT_RESULT_TEX5 12 -#define VERT_RESULT_TEX6 13 -#define VERT_RESULT_TEX7 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 -}; - -/* - * Bitflags for fragment 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) -/*@}*/ - - -/** - * 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 Format; /**< GL_ALPHA, GL_RGB, GL_RGB, etc */ - GLenum IntFormat; - 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 - */ - /*@{*/ - GLuint _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 OcclusionTest; /**< GL_HP_occlusion_test */ - 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; - GLuint 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 */ - GLuint 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? */ - GLuint _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) */ - GLenum Function[2]; /**< Stencil function */ - GLenum FailFunc[2]; /**< Fail function */ - GLenum ZPassFunc[2]; /**< Depth buffer pass function */ - GLenum ZFailFunc[2]; /**< Depth buffer fail function */ - GLstencil Ref[2]; /**< Reference value */ - GLstencil ValueMask[2]; /**< Value mask */ - GLstencil WriteMask[2]; /**< Write mask */ - GLstencil Clear; /**< Clear value */ -}; - - -#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; - - 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 Format; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, - * GL_LUMINANCE, GL_LUMINANCE_ALPHA, - * GL_INTENSITY, GL_COLOR_INDEX or - * GL_DEPTH_COMPONENT only. - * Used for choosing TexEnv arithmetic. - */ - GLint IntFormat; /**< 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 _IsPowerOfTwo; /**< Are all image dimensions powers of two? */ - GLboolean Complete; /**< Is texture object complete? */ - - /** Actual texture images, indexed by [cube face] and [mipmap level] */ - struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS]; - - /** GL_EXT_paletted_texture */ - struct gl_color_table Palette; - - - /** - * \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 -{ - GLuint Enabled; /**< bitmask of TEXTURE_*_BIT flags */ - GLuint _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */ - - GLenum EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */ - GLfloat EnvColor[4]; - GLuint TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */ - /** \name Tex coord generation mode - * Either GL_OBJECT_LINEAR, GL_EYE_LINEAR or GL_SPHERE_MAP. */ - /*@{*/ - GLenum GenModeS; - GLenum GenModeT; - GLenum GenModeR; - GLenum GenModeQ; - /*@}*/ - GLuint _GenBitS; - GLuint _GenBitT; - GLuint _GenBitR; - GLuint _GenBitQ; - GLuint _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 */ - GLuint _EnabledUnits; /**< one bit set for each really-enabled unit */ - GLuint _EnabledCoordUnits; /**< one bit per enabled coordinate unit */ - GLuint _GenFlags; /**< for texgen */ - GLuint _TexGenEnabled; - GLuint _TexMatEnabled; - /**@}*/ - - 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 */ - GLuint 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 */ - GLuint Enabled; /**< one of the _NEW_ARRAY_ bits */ - GLboolean Normalized; /**< GL_ARB_vertex_program */ - - /**< GL_ARB_vertex_buffer_object */ - struct gl_buffer_object *BufferObj; - GLuint _MaxElement; - - GLuint Flags; -}; - - -/** - * 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 */ - - GLuint _Enabled; /**< _NEW_ARRAY_* - bit set if array enabled */ - GLuint 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; - GLuint _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 register files - */ -enum register_file -{ - PROGRAM_TEMPORARY, - PROGRAM_INPUT, - PROGRAM_OUTPUT, - PROGRAM_LOCAL_PARAM, - PROGRAM_ENV_PARAM, - PROGRAM_NAMED_PARAM, - PROGRAM_STATE_VAR, - PROGRAM_WRITE_ONLY, - PROGRAM_ADDRESS, - PROGRAM_UNDEFINED /* invalid value */ -}; - - -/** Vertex and fragment instructions */ -struct vp_instruction; -struct fp_instruction; -struct atifs_instruction; -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; - GLfloat LocalParams[MAX_PROGRAM_LOCAL_PARAMS][4]; - GLuint NumInstructions; /* GL_ARB_vertex/fragment_program */ - GLuint NumTemporaries; - GLuint NumParameters; - GLuint NumAttributes; - GLuint NumAddressRegs; -}; - - -/** Vertex program object */ -struct vertex_program -{ - struct program Base; /* base class */ - struct vp_instruction *Instructions; /* Compiled instructions */ - GLboolean IsNVProgram; /* GL_NV_vertex_program ? */ - GLboolean IsPositionInvariant; /* GL_NV_vertex_program1_1 */ - GLuint InputsRead; /* Bitmask of which input regs are read */ - GLuint OutputsWritten; /* Bitmask of which output regs are written to */ - struct program_parameter_list *Parameters; /**< array [NumParameters] */ - void *TnlData; /* should probably use Base.DriverData */ -}; - - -/** Fragment program object */ -struct fragment_program -{ - struct program Base; /**< base class */ - struct fp_instruction *Instructions; /**< Compiled instructions */ - GLuint InputsRead; /**< Bitmask of which input regs are read */ - GLuint OutputsWritten; /**< Bitmask of which output regs are written to */ - GLuint TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_INDEX bitmask */ - GLuint NumAluInstructions; /**< GL_ARB_fragment_program */ - GLuint NumTexInstructions; - GLuint NumTexIndirections; - GLenum FogOption; - struct program_parameter_list *Parameters; /**< array [NumParameters] */ - -#ifdef USE_TCC - char c_str[4096]; /* experimental... */ - int c_strlen; -#endif -}; - -struct ati_fragment_shader -{ - struct program Base; - struct atifs_instruction *Instructions; - GLfloat Constants[8][4]; - GLint NumPasses; - GLint cur_pass; -}; - -/** - * 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 */ - - 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 */ - 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_fragment_shader - */ -struct gl_ati_fragment_shader_state -{ - GLboolean Enabled; - GLboolean _Enabled; - GLboolean Compiling; - struct atifs_machine Machine; /* machine state */ - struct ati_fragment_shader *Current; -}; - -/* - * State for GL_ARB_occlusion_query - */ -struct gl_occlusion_state -{ - GLboolean Active; - GLuint CurrentQueryObject; - GLuint PassedCounter; - struct _mesa_HashTable *QueryObjects; -}; - -/** - * 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; -#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 ComponentSizes[4]; /* bits per component or channel */ - 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 */ - GLuint _ColorDrawBufferMask[MAX_DRAW_BUFFERS]; /* Mask of BUFFER_BIT_* flags */ - GLuint _ColorReadBufferMask; /* Zero or one of BUFFER_BIT_ flags */ - - /* These are computed from _Draw/ReadBufferMask, above. */ - GLuint _NumColorDrawBuffers[MAX_DRAW_BUFFERS]; - struct gl_renderbuffer *_ColorDrawBuffers[MAX_DRAW_BUFFERS][4]; - struct gl_renderbuffer *_ColorReadBuffer; - -#if OLD_RENDERBUFFER - /* XXX THIS IS TEMPORARY */ - GLuint _ColorDrawBit[MAX_DRAW_BUFFERS][4]; -#endif - - /** Delete this framebuffer */ - void (*Delete)(struct gl_framebuffer *fb); -}; - - -/** - * 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; - /* GL_ARB_vertex_program */ - GLuint MaxVertexProgramInstructions; - GLuint MaxVertexProgramAttribs; - GLuint MaxVertexProgramTemps; - GLuint MaxVertexProgramLocalParams; - GLuint MaxVertexProgramEnvParams; - GLuint MaxVertexProgramAddressRegs; - /* GL_ARB_fragment_program */ - GLuint MaxFragmentProgramInstructions; - GLuint MaxFragmentProgramAttribs; - GLuint MaxFragmentProgramTemps; - GLuint MaxFragmentProgramLocalParams; - GLuint MaxFragmentProgramEnvParams; - GLuint MaxFragmentProgramAddressRegs; - GLuint MaxFragmentProgramAluInstructions; - GLuint MaxFragmentProgramTexInstructions; - GLuint MaxFragmentProgramTexIndirections; - /* vertex or fragment program */ - 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_histogram; - GLboolean EXT_multi_draw_arrays; - GLboolean EXT_paletted_texture; - 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_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 HP_occlusion_test; - 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; - GLuint 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? */ - - /** Extensions */ - struct gl_extensions Extensions; - - /** \name Renderer attribute stack */ - /*@{*/ - 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; /**< Accumulation buffer attributes */ - struct gl_colorbuffer_attrib Color; /**< Color buffers 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_occlusion_state Occlusion; /**< GL_ARB_occlusion_query */ - - struct gl_shader_objects_state ShaderObjects; /* GL_ARB_shader_objects */ - /*@}*/ - -#if FEATURE_EXT_framebuffer_object - /*struct gl_framebuffer *CurrentFramebuffer;*/ - struct gl_renderbuffer *CurrentRenderbuffer; -#endif - - GLenum ErrorValue; /**< Last error code */ - GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */ - GLuint NewState; /**< bitwise-or of _NEW_* flags */ - - /** \name Derived state */ - /*@{*/ - GLuint _TriangleCaps; /**< bitwise-or of DD_* flags */ - GLuint _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */ - GLfloat _EyeZDir[3]; - GLfloat _ModelViewInvScale; - GLuint _NeedEyeCoords; - GLuint _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 */ - - - GLboolean OcclusionResult; /**< for GL_HP_occlusion_test */ - GLboolean OcclusionResultSaved; /**< for GL_HP_occlusion_test */ - GLuint _Facing; /**< This is a hack for 2-sided stencil test. - * - * We don't have a better way to communicate this value from - * swrast_setup to swrast. */ - - /** \name 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 MESA_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 */ |