diff options
Diffstat (limited to 'src/mesa/main/dd.h')
| -rw-r--r-- | src/mesa/main/dd.h | 111 |
1 files changed, 62 insertions, 49 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 35f122415f..4f4cff7556 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -1,21 +1,21 @@ -/* $Id: dd.h,v 1.56 2001/03/07 00:21:32 brianp Exp $ */ +/* $Id: dd.h,v 1.57 2001/03/11 18:49:11 gareth Exp $ */ /* * Mesa 3-D graphics library * Version: 3.5 - * + * * Copyright (C) 1999-2000 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 @@ -75,7 +75,7 @@ struct gl_pixelstore_attrib; * * Look below in the dd_function_table struct definition for descriptions * of each device driver function. - * + * * More function pointers may be added as required. * * @@ -130,7 +130,7 @@ typedef void (*triangle_func)( GLcontext *ctx, typedef void (*quad_func)( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4 ); -typedef void (*render_func)( GLcontext *ctx, GLuint start, GLuint count, +typedef void (*render_func)( GLcontext *ctx, GLuint start, GLuint count, GLuint flags ); typedef void (*interp_func)( GLcontext *ctx, @@ -167,7 +167,7 @@ struct dd_function_table { GLint x, GLint y, GLint width, GLint height ); /* Clear the color/depth/stencil/accum buffer(s). * 'mask' is a bitmask of the DD_*_BIT values defined above that indicates - * which buffers need to be cleared. + * which buffers need to be cleared. * If 'all' is true then the clear the whole buffer, else clear only the * region defined by (x,y,width,height). * This function must obey the glColorMask, glIndexMask and glStencilMask @@ -390,7 +390,7 @@ struct dd_function_table { GLstencil stencil[] ); /* Read an array of stencil values from the stencil buffer. */ - + /*** *** For hardware accumulation buffer: @@ -509,7 +509,7 @@ struct dd_function_table { * width, height, border and internalFormat information. * The driver should use a fallback routine from texstore.c if needed. */ - + void (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLint border ); @@ -688,7 +688,7 @@ struct dd_function_table { * should free anything attached to the DriverData pointers. */ - GLboolean (*IsTextureResident)( GLcontext *ctx, + GLboolean (*IsTextureResident)( GLcontext *ctx, struct gl_texture_object *t ); /* Called by glAreTextureResident(). */ @@ -757,7 +757,7 @@ struct dd_function_table { void (*StencilFunc)(GLcontext *ctx, GLenum func, GLint ref, GLuint mask); void (*StencilMask)(GLcontext *ctx, GLuint mask); void (*StencilOp)(GLcontext *ctx, GLenum fail, GLenum zfail, GLenum zpass); - void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname, + void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname, const GLfloat *params); void (*TexEnv)(GLcontext *ctx, GLenum target, GLenum pname, const GLfloat *param); @@ -784,19 +784,19 @@ struct dd_function_table { *** *** Called by the corresponding OpenGL functions. ***/ - void (*VertexPointer)(GLcontext *ctx, GLint size, GLenum type, + void (*VertexPointer)(GLcontext *ctx, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr); - void (*NormalPointer)(GLcontext *ctx, GLenum type, + void (*NormalPointer)(GLcontext *ctx, GLenum type, GLsizei stride, const GLvoid *ptr); - void (*ColorPointer)(GLcontext *ctx, GLint size, GLenum type, + void (*ColorPointer)(GLcontext *ctx, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr); - void (*FogCoordPointer)(GLcontext *ctx, GLenum type, + void (*FogCoordPointer)(GLcontext *ctx, GLenum type, GLsizei stride, const GLvoid *ptr); - void (*IndexPointer)(GLcontext *ctx, GLenum type, + void (*IndexPointer)(GLcontext *ctx, GLenum type, GLsizei stride, const GLvoid *ptr); - void (*SecondaryColorPointer)(GLcontext *ctx, GLint size, GLenum type, + void (*SecondaryColorPointer)(GLcontext *ctx, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr); - void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type, + void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr); void (*EdgeFlagPointer)(GLcontext *ctx, GLsizei stride, const GLvoid *ptr); @@ -857,8 +857,8 @@ struct dd_function_table { void (*ResetLineStipple)( GLcontext *ctx ); /* Reset the hardware's line stipple counter. */ - - void (*BuildProjectedVertices)( GLcontext *ctx, + + void (*BuildProjectedVertices)( GLcontext *ctx, GLuint start, GLuint end, GLuint new_inputs); /* This function is called whenever new vertices are required for @@ -867,7 +867,7 @@ struct dd_function_table { * the vertex which need to be updated, if only a partial repair of * the vertex is required. * - * This function is called only from _tnl_render_stage in tnl/t_render.c. + * This function is called only from _tnl_render_stage in tnl/t_render.c. */ @@ -876,8 +876,8 @@ struct dd_function_table { * when this function is called. This function will be called * after the first pass, and passes will be made until the function * returns GL_FALSE. If no function is registered, only one pass - * is made. - * + * is made. + * * This function will be first invoked with passno == 1. */ @@ -885,13 +885,31 @@ struct dd_function_table { /*** *** Support for multiple t&l engines ***/ + + GLuint NeedValidate; + /* Bitmask of state changes that require the current tnl module to be + * validated, using ValidateTnlModule() below. + */ + + void (*ValidateTnlModule)( GLcontext *ctx, GLuint new_state ); + /* Validate the current tnl module. This is called directly after + * UpdateState() when a state change that has occured matches the + * NeedValidate bitmask above. This ensures all computed values are + * up to date, thus allowing the driver to decide if the current tnl + * module needs to be swapped out. + * + * This must be non-NULL if a driver installs a custom tnl module and + * sets the NeedValidate bitmask, but may be NULL otherwise. + */ + + #define PRIM_OUTSIDE_BEGIN_END GL_POLYGON+1 #define PRIM_INSIDE_UNKNOWN_PRIM GL_POLYGON+2 #define PRIM_UNKNOWN GL_POLYGON+3 - + GLuint CurrentExecPrimitive; /* Set by the driver-supplied t&l engine. Set to - * PRIM_OUTSIDE_BEGIN_END when outside begin/end. + * PRIM_OUTSIDE_BEGIN_END when outside begin/end. */ GLuint CurrentSavePrimitive; @@ -899,7 +917,6 @@ struct dd_function_table { * the additional values defined above. */ - #define FLUSH_STORED_VERTICES 0x1 #define FLUSH_UPDATE_CURRENT 0x2 @@ -907,15 +924,15 @@ struct dd_function_table { /* Set by the driver-supplied t&l engine whenever vertices are * buffered between begin/end objects or ctx->Current is not uptodate. * - * The FlushVertices() call below may be used to resolve - * these conditions. + * The FlushVertices() call below may be used to resolve + * these conditions. */ void (*FlushVertices)( GLcontext *ctx, GLuint flags ); - /* If inside begin/end, ASSERT(0). - * Otherwise, + /* If inside begin/end, ASSERT(0). + * Otherwise, * if (flags & FLUSH_STORED_VERTICES) flushes any buffered vertices, - * if (flags & FLUSH_UPDATE_CURRENT) updates ctx->Current + * if (flags & FLUSH_UPDATE_CURRENT) updates ctx->Current * and ctx->Light.Material * * Note that the default t&l engine never clears the @@ -924,7 +941,7 @@ struct dd_function_table { void (*LightingSpaceChange)( GLcontext *ctx ); /* Notify driver that the special derived value _NeedEyeCoords has - * changed. + * changed. */ void (*NewList)( GLcontext *ctx, GLuint list, GLenum mode ); @@ -940,7 +957,7 @@ struct dd_function_table { * Called by glCallList(s), but not recursively. */ - void (*MakeCurrent)( GLcontext *ctx, GLframebuffer *drawBuffer, + void (*MakeCurrent)( GLcontext *ctx, GLframebuffer *drawBuffer, GLframebuffer *readBuffer ); /* Let the t&l component know when the context becomes current. */ @@ -980,7 +997,7 @@ typedef struct { void (*FogCoordfvEXT)( const GLfloat * ); void (*Indexi)( GLint ); void (*Indexiv)( const GLint * ); - void (*Materialfv)( GLenum face, GLenum pname, const GLfloat * ); /* NOTE */ + void (*Materialfv)( GLenum face, GLenum pname, const GLfloat * ); /* NOTE */ void (*MultiTexCoord1fARB)( GLenum, GLfloat ); void (*MultiTexCoord1fvARB)( GLenum, const GLfloat * ); void (*MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat ); @@ -1014,7 +1031,7 @@ typedef struct { void (*End)( void ); /* Drivers present a reduced set of the functions possible in * begin/end objects. Core mesa provides translation stubs for the - * remaining functions to map down to these entrypoints. + * remaining functions to map down to these entrypoints. * * These are the initial values to be installed into dispatch by * mesa. If the t&l driver wants to modify the dispatch table @@ -1025,20 +1042,19 @@ typedef struct { * * If the driver wants to hook in entrypoints other than those * listed above, it must restore them to their original values in - * the disable() callback, below. + * the disable() callback, below. */ void (*Rectf)( GLfloat, GLfloat, GLfloat, GLfloat ); - /* + /* */ - void (*DrawArrays)( GLenum mode, GLint start, GLsizei count ); - void (*DrawElements)( GLenum mode, GLsizei count, GLenum type, + void (*DrawElements)( GLenum mode, GLsizei count, GLenum type, const GLvoid *indices ); - void (*DrawRangeElements)(GLenum mode, GLuint start, - GLuint end, GLsizei count, - GLenum type, const GLvoid *indices); + void (*DrawRangeElements)( GLenum mode, GLuint start, + GLuint end, GLsizei count, + GLenum type, const GLvoid *indices ); /* These may or may not belong here. Heuristic: If an array is * enabled, the installed vertex format should support that array and * it's current size natively. @@ -1051,17 +1067,14 @@ typedef struct { * provide partial t&l acceleration. * * Mesa will provide a set of helper functions to do eval within - * accelerated vertex formats, eventually... + * accelerated vertex formats, eventually... */ GLboolean prefer_float_colors; /* Should core try to send colors to glColor4f or glColor4chan, - * where it has a choice? + * where it has a choice? */ - - } GLvertexformat; -#endif - +#endif /* DD_INCLUDED */ |