diff options
Diffstat (limited to 'src/mesa/main/mtypes.h')
| -rw-r--r-- | src/mesa/main/mtypes.h | 240 |
1 files changed, 154 insertions, 86 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index df77c6cbf9..828b0f2384 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -7,9 +7,9 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.3 * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 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"), @@ -45,6 +45,12 @@ /** + * Special, internal token + */ +#define GL_SHADER_PROGRAM 0x9999 + + +/** * Color channel data type. */ #if CHAN_BITS == 8 @@ -213,22 +219,6 @@ enum #define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g))) /*@}*/ -/** - * GLSL allows shader writers to allocate vertex result attributes (varyings) in - * single float component granularity. This is in contrast to vertex / fragment - * programs, where result attributes (actually texcoords) were allocated - * in 4-component vectors of floats granularity. - * For performance reasons, it would be optimal to stick with this scheme on a scalar - * processor. Varyings will likely be allocated as 3-component vectors, so statistically - * we win 2 floats. - * The constant VARYINGS_PER_VECTOR tells us how much of float components we pack into - * one result vector. For scalar processor it would be 1, for vector processor - 4. - * - * NOTE: Currently we pack varyings into vertex attributes. - */ -#define VARYINGS_PER_VECTOR 2 -#define VARYING_EMIT_STYLE EMIT_2F -#define MAX_VARYING_VECTORS ((MAX_VARYING_FLOATS + VARYINGS_PER_VECTOR - 1) / VARYINGS_PER_VECTOR) /** * Indexes for vertex program result attributes @@ -250,7 +240,8 @@ enum #define VERT_RESULT_BFC0 13 #define VERT_RESULT_BFC1 14 #define VERT_RESULT_EDGE 15 -#define VERT_RESULT_MAX 16 +#define VERT_RESULT_VAR0 16 /**< shader varying */ +#define VERT_RESULT_MAX (VERT_RESULT_VAR0 + MAX_VARYING) /*@}*/ @@ -271,7 +262,8 @@ enum FRAG_ATTRIB_TEX5 = 9, FRAG_ATTRIB_TEX6 = 10, FRAG_ATTRIB_TEX7 = 11, - FRAG_ATTRIB_MAX = 12 + FRAG_ATTRIB_VAR0 = 12, /**< shader varying */ + FRAG_ATTRIB_MAX = (FRAG_ATTRIB_VAR0 + MAX_VARYING) }; /** @@ -290,6 +282,10 @@ enum #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_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0) + +#define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U)) +#define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V)) #define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \ FRAG_BIT_TEX1| \ @@ -305,12 +301,14 @@ enum /** * Fragment program results */ -/*@{*/ -#define FRAG_RESULT_COLR 0 -#define FRAG_RESULT_COLH 1 -#define FRAG_RESULT_DEPR 2 -#define FRAG_RESULT_MAX 3 -/*@}*/ +enum +{ + FRAG_RESULT_COLR = 0, + FRAG_RESULT_COLH = 1, + FRAG_RESULT_DEPR = 2, + FRAG_RESULT_DATA0 = 3, + FRAG_RESULT_MAX = (FRAG_RESULT_DATA0 + MAX_DRAW_BUFFERS) +}; /** @@ -1829,22 +1827,31 @@ struct gl_evaluators /** * 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. + * + * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR, PROGRAM_NAMED_PARAM, + * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to + * be "uniform" variables since they can only be set outside glBegin/End. + * They're also all stored in the same Parameters array. */ 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 = 10, /* invalid value */ + PROGRAM_TEMPORARY = 0, /**< machine->Temporary[] */ + PROGRAM_LOCAL_PARAM = 1, /**< gl_program->LocalParams[] */ + PROGRAM_ENV_PARAM = 2, /**< gl_program->Parameters[] */ + PROGRAM_STATE_VAR = 3, /**< gl_program->Parameters[] */ + PROGRAM_INPUT = 4, /**< machine->Inputs[] */ + PROGRAM_OUTPUT = 5, /**< machine->Outputs[] */ + PROGRAM_NAMED_PARAM = 6, /**< gl_program->Parameters[] */ + PROGRAM_CONSTANT = 7, /**< gl_program->Parameters[] */ + PROGRAM_UNIFORM = 8, /**< gl_program->Parameters[] */ + PROGRAM_VARYING = 9, /**< machine->Inputs[]/Outputs[] */ + PROGRAM_WRITE_ONLY = 10, /**< A dummy, write-only register */ + PROGRAM_ADDRESS = 11, /**< machine->AddressReg */ + PROGRAM_SAMPLER = 12, /**< for shader samplers, compile-time only */ + PROGRAM_UNDEFINED = 13, /**< Invalid value */ PROGRAM_FILE_MAX }; @@ -1860,22 +1867,28 @@ struct gl_program_parameter_list; struct gl_program { GLuint Id; - GLubyte *String; /**< Null-terminated program text */ + GLubyte *String; /**< Null-terminated program text */ GLint RefCount; - GLenum Target; - GLenum Format; /**< String encoding format */ + GLenum Target; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_FRAGMENT_PROGRAM_NV */ + 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 */ + GLbitfield InputsRead; /**< Bitmask of which input regs are read */ + GLbitfield OutputsWritten; /**< Bitmask of which output regs are written to */ + GLbitfield TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_BIT bitmask */ /** Named parameters, constants, etc. from program text */ struct gl_program_parameter_list *Parameters; /** Numbered local parameters */ GLfloat LocalParams[MAX_PROGRAM_LOCAL_PARAMS][4]; + /** Vertex/fragment shader varying vars */ + struct gl_program_parameter_list *Varying; + /** Vertex program user-defined attributes */ + struct gl_program_parameter_list *Attributes; + /** Logical counts */ /*@{*/ GLuint NumInstructions; @@ -1883,6 +1896,9 @@ struct gl_program GLuint NumParameters; GLuint NumAttributes; GLuint NumAddressRegs; + GLuint NumAluInstructions; + GLuint NumTexInstructions; + GLuint NumTexIndirections; /*@}*/ /** Native, actual h/w counts */ /*@{*/ @@ -1891,6 +1907,9 @@ struct gl_program GLuint NumNativeParameters; GLuint NumNativeAttributes; GLuint NumNativeAddressRegs; + GLuint NumNativeAluInstructions; + GLuint NumNativeTexInstructions; + GLuint NumNativeTexIndirections; /*@}*/ }; @@ -1909,13 +1928,6 @@ struct gl_vertex_program struct gl_fragment_program { struct gl_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; }; @@ -1940,16 +1952,24 @@ struct gl_vertex_program_state GLboolean _Enabled; /**< Enabled and valid program? */ GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */ GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */ - struct gl_vertex_program *Current; /**< ptr to currently bound program */ - const struct gl_vertex_program *_Current; /**< ptr to currently bound - program, including internal - (t_vp_build.c) programs */ + struct gl_vertex_program *Current; /**< user-bound vertex program */ - GLfloat Parameters[MAX_NV_VERTEX_PROGRAM_PARAMS][4]; /**< Env params */ + /** Currently enabled and valid program (including internal programs + * and compiled shader programs). + */ + struct gl_vertex_program *_Current; + + GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */ /* For GL_NV_vertex_program only: */ - GLenum TrackMatrix[MAX_NV_VERTEX_PROGRAM_PARAMS / 4]; - GLenum TrackMatrixTransform[MAX_NV_VERTEX_PROGRAM_PARAMS / 4]; + GLenum TrackMatrix[MAX_PROGRAM_ENV_PARAMS / 4]; + GLenum TrackMatrixTransform[MAX_PROGRAM_ENV_PARAMS / 4]; + + /** Should fixed-function T&L be implemented with a vertex prog? */ + GLboolean _MaintainTnlProgram; + + /** Program to emulate fixed-function T&L (see above) */ + struct gl_vertex_program *_TnlProgram; #if FEATURE_MESA_program_debug GLprogramcallbackMESA Callback; @@ -1967,11 +1987,20 @@ struct gl_fragment_program_state { GLboolean Enabled; /**< User-set fragment program enable flag */ GLboolean _Enabled; /**< Fragment program enabled and valid? */ - GLboolean _Active; /**< Is a user program or internal program active? */ - struct gl_fragment_program *Current; /**< User-bound program */ - const struct gl_fragment_program *_Current; /**< currently active program - (including internal programs) */ - GLfloat Parameters[MAX_NV_FRAGMENT_PROGRAM_PARAMS][4]; /**< Env params */ + struct gl_fragment_program *Current; /**< User-bound fragment program */ + + /** Currently enabled and valid program (including internal programs + * and compiled shader programs). + */ + struct gl_fragment_program *_Current; + + GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */ + + /** Should fixed-function texturing be implemented with a fragment prog? */ + GLboolean _MaintainTexEnvProgram; + + /** Program to emulate fixed-function texture env/combine (see above) */ + struct gl_fragment_program *_TexEnvProgram; #if FEATURE_MESA_program_debug GLprogramcallbackMESA Callback; @@ -2048,14 +2077,60 @@ struct gl_query_state }; + /** - * Context state for vertex/fragment shaders. + * A GLSL shader object. */ -struct gl_shader_objects_state +struct gl_shader { - struct gl2_program_intf **CurrentProgram; - GLboolean _VertexShaderPresent; - GLboolean _FragmentShaderPresent; + GLenum Type; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER (first field!) */ + GLuint Name; /**< AKA the handle */ + GLint RefCount; /**< Reference count */ + GLboolean DeletePending; + + const GLchar *Source; /**< Source code string */ + GLboolean CompileStatus; + GLuint NumPrograms; /**< size of Programs[] array */ + struct gl_program **Programs; /**< Post-compile assembly code */ + GLchar *InfoLog; +}; + + +/** + * A GLSL program object. Basically a linked collection of "shaders". + */ +struct gl_shader_program +{ + GLenum Type; /**< Always GL_SHADER_PROGRAM (internal token) */ + GLuint Name; /**< aka handle or ID */ + GLint RefCount; /**< Reference count */ + GLboolean DeletePending; + + GLuint NumShaders; /**< number of attached shaders */ + struct gl_shader **Shaders; /**< List of attached the shaders */ + + /* post-link info: */ + struct gl_vertex_program *VertexProgram; /**< Linked vertex program */ + struct gl_fragment_program *FragmentProgram; /**< Linked fragment prog */ + struct gl_program_parameter_list *Uniforms; /**< Plus constants, etc */ + struct gl_program_parameter_list *Varying; + struct gl_program_parameter_list *Attributes; /**< Vertex attributes */ + GLboolean LinkStatus; /**< GL_LINK_STATUS */ + GLboolean Validated; + GLchar *InfoLog; +}; + + +/** + * Context state for GLSL vertex/fragment shaders. + */ +struct gl_shader_state +{ + struct gl_shader_program *CurrentProgram; /**< The user-bound program */ + /** Driver-selectable options: */ + GLboolean EmitHighLevelInstructions; /**< IF/ELSE/ENDIF vs. BRA, etc. */ + GLboolean EmitCondCodes; /**< Use condition codes? */ + GLboolean EmitComments; /**< Annotated instructions */ }; @@ -2116,7 +2191,8 @@ struct gl_shared_state #endif #if FEATURE_ARB_shader_objects - struct _mesa_HashTable *GL2Objects; + /** Table of both gl_shader and gl_shader_program objects */ + struct _mesa_HashTable *ShaderObjects; #endif #if FEATURE_EXT_framebuffer_object @@ -2396,7 +2472,7 @@ struct gl_constants GLuint MaxRenderbufferSize; /* GL_ARB_vertex_shader */ GLuint MaxVertexTextureImageUnits; - GLuint MaxVaryingFloats; + GLuint MaxVarying; }; @@ -2534,7 +2610,7 @@ struct gl_extensions /** * A stack of matrices (projection, modelview, color, texture, etc). */ -struct matrix_stack +struct gl_matrix_stack { GLmatrix *Top; /**< points into Stack */ GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */ @@ -2765,7 +2841,7 @@ struct mesa_display_list /** * State used during display list compilation and execution. */ -struct mesa_list_state +struct gl_dlist_state { struct mesa_display_list *CallStack[MAX_LIST_NESTING]; GLuint CallDepth; /**< Current recursion calling depth */ @@ -2837,26 +2913,25 @@ struct __GLcontextRec 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 */ + struct gl_matrix_stack ModelviewMatrixStack; + struct gl_matrix_stack ProjectionMatrixStack; + struct gl_matrix_stack ColorMatrixStack; + struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_COORD_UNITS]; + struct gl_matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES]; + struct gl_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; + struct gl_dlist_state ListState; GLboolean ExecuteFlag; /**< Execute GL commands? */ GLboolean CompileFlag; /**< Compile GL commands into display list? */ @@ -2939,16 +3014,9 @@ struct __GLcontextRec struct gl_fragment_program_state FragmentProgram; /**< GL_ARB/NV_vertex_program */ struct gl_ati_fragment_shader_state ATIFragmentShader; /**< GL_ATI_fragment_shader */ - struct gl_fragment_program *_TexEnvProgram; /**< Texture state as fragment program */ - struct gl_vertex_program *_TnlProgram; /**< Fixed func TNL state as vertex program */ - - GLboolean _MaintainTnlProgram; - GLboolean _MaintainTexEnvProgram; - GLboolean _UseTexEnvProgram; - struct gl_query_state Query; /**< GL_ARB_occlusion_query */ - struct gl_shader_objects_state ShaderObjects; /* GL_ARB_shader_objects */ + struct gl_shader_state Shader; /**< GLSL shader object state */ /*@}*/ #if FEATURE_EXT_framebuffer_object |