diff options
Diffstat (limited to 'src/mesa/main/dd.h')
| -rw-r--r-- | src/mesa/main/dd.h | 132 |
1 files changed, 55 insertions, 77 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 250c63d..cfac5f2 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -1,4 +1,4 @@ -/* $Id: dd.h,v 1.43 2000/11/24 10:25:05 keithw Exp $ */ +/* $Id: dd.h,v 1.44 2000/12/26 05:09:28 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -31,12 +31,7 @@ /* THIS FILE ONLY INCLUDED BY mtypes.h !!!!! */ - struct gl_pixelstore_attrib; -struct vertex_buffer; -struct gl_pipeline; -struct gl_pipeline_stage; - /* @@ -139,11 +134,6 @@ typedef void (*triangle_func)( GLcontext *ctx, typedef void (*quad_func)( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4, GLuint pv ); -typedef void (*render_func)( struct vertex_buffer *VB, - GLuint start, - GLuint count, - GLuint parity ); - /* * Device Driver function table. @@ -161,7 +151,7 @@ struct dd_function_table { * NULL can be returned. */ - void (*UpdateState)( GLcontext *ctx ); + void (*UpdateState)( GLcontext *ctx, GLuint new_state ); /* * UpdateState() is called whenver Mesa thinks the device driver should * update its state and/or the other pointers (such as PointsFunc, @@ -752,49 +742,39 @@ struct dd_function_table { */ + void (*RenderStart)( GLcontext *ctx ); + void (*RenderFinish)( GLcontext *ctx ); + /* Wrap around all rendering functions. Suitable for + * grabbing/releasing hardware locks. + */ - /*** - *** Accelerated point, line, polygon and quad functions: - ***/ - points_func PointsFunc; - line_func LineFunc; - triangle_func TriangleFunc; - quad_func QuadFunc; - /*** - *** Transformation/Rendering functions + *** Parameters for _tnl_render_stage ***/ + points_func PointsFunc; /* must now respect vb->elts */ + line_func LineFunc; + triangle_func TriangleFunc; + quad_func QuadFunc; - void (*RenderStart)( GLcontext *ctx ); - void (*RenderFinish)( GLcontext *ctx ); - /* KW: These replace Begin and End, and have more relaxed semantics. - * They are called prior-to and after one or more vb flush, and are - * thus decoupled from the gl_begin/gl_end pairs, which are possibly - * more frequent. If a begin/end pair covers >1 vertex buffer, these - * are called at most once for the pair. (a bit broken at present) - */ - - void (*RasterSetup)( struct vertex_buffer *VB, GLuint start, GLuint end ); - /* This function, if not NULL, is called whenever new window coordinates - * are put in the vertex buffer. The vertices in question are those n - * such that start <= n < end. - * The device driver can convert the window coords to its own specialized - * format. The 3Dfx driver uses this. + void (*ResetLineStipple)( GLcontext *ctx ); + + + void (*BuildProjectedVertices)( GLcontext *ctx, + GLuint start, GLuint end, + GLuint new_inputs); + /* This function, if not NULL, is called whenever new vertices are + * required for rendering. The vertices in question are those n + * such that start <= n < end. The new_inputs parameter indicates + * those fields of the vertex which need to be updated, if only a + * partial repair of the vertex is required. * - * Note: Deprecated in favour of RegisterPipelineStages, below. + * This function is called only from _tnl_render_stage in tnl/t_render.c. */ - render_func *RenderVBClippedTab; - render_func *RenderVBCulledTab; - render_func *RenderVBRawTab; - /* These function tables allow the device driver to rasterize an - * entire begin/end group of primitives at once. See the - * gl_render_vb() function in vbrender.c for more details. - */ - GLboolean (*MultipassFunc)( struct vertex_buffer *VB, GLuint passno ); + GLboolean (*MultipassFunc)( GLcontext *ctx, GLuint passno ); /* Driver may request additional render passes by returning GL_TRUE * when this function is called. This function will be called * after the first pass, and passes will be made until the function @@ -804,51 +784,41 @@ struct dd_function_table { * This function will be first invoked with passno == 1. */ + /*** - *** NEW in Mesa 3.x + *** Support for multiple t&l engines ***/ +#define PRIM_OUTSIDE_BEGIN_END GL_POLYGON+1 +#define PRIM_INSIDE_UNKNOWN_PRIM GL_POLYGON+2 +#define PRIM_UNKNOWN GL_POLYGON+3 - void (*RegisterVB)( struct vertex_buffer *VB ); - void (*UnregisterVB)( struct vertex_buffer *VB ); - /* When Mesa creates a new vertex buffer it calls Driver.RegisterVB() - * so the device driver can allocate its own vertex buffer data and - * hook it to the VB->driver_data pointer. - * When Mesa destroys a vertex buffer it calls Driver.UnegisterVB() - * so the driver can deallocate its own data attached to VB->driver_data. + GLuint CurrentExecPrimitive; + /* Set by the driver-supplied t&l engine. Set to GL_POLYGON+1 when + * outside begin/end. */ - - - GLboolean (*BuildPrecalcPipeline)( GLcontext *ctx ); - GLboolean (*BuildEltPipeline)( GLcontext *ctx ); - /* Perform the full pipeline build, or return false. + GLuint CurrentSavePrimitive; + /* Current state of an inprogress compilation. */ + - /*** - *** Support for multiple t&l engines - ***/ - -#define FLUSH_INSIDE_BEGIN_END 0x1 -#define FLUSH_STORED_VERTICES 0x2 -#define FLUSH_UPDATE_CURRENT 0x4 - +#define FLUSH_STORED_VERTICES 0x1 +#define FLUSH_UPDATE_CURRENT 0x2 GLuint NeedFlush; - /* Set by the driver-supplied t&l engine. - * Bitflags defined above are set whenever - * - the engine *might* be inside a begin/end object. - * - there *might* be buffered vertices to be flushed. - * - the ctx->Current values *might* not be uptodate. + /* 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. + * these conditions. */ - GLboolean (*FlushVertices)( GLcontext *ctx, GLuint flags ); - /* If inside begin/end, returns GL_FALSE. + void (*FlushVertices)( GLcontext *ctx, GLuint flags ); + /* 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 * returns GL_TRUE. * * Note that the default t&l engine never clears the @@ -866,6 +836,11 @@ struct dd_function_table { * in time to make changes to dispatch tables, etc. */ + void (*BeginCallList)( GLcontext *ctx, GLuint list ); + void (*EndCallList)( GLcontext *ctx ); + /* Notify the t&l component before and after calling a display list. + */ + void (*MakeCurrent)( GLcontext *ctx, GLframebuffer *drawBuffer, GLframebuffer *readBuffer ); /* Let the t&l component know when the context becomes current. @@ -973,7 +948,7 @@ typedef struct { void (*EdgeFlag)( GLboolean ); void (*EdgeFlagv)( const GLboolean * ); void (*EvalCoord1f)( GLfloat ); /* NOTE */ - void (*EvalCoord1fv)( const GLfloat * ); /* NOTE */ + void (*EvalCoord1fv)( const GLfloat * ); /* NOTE */ void (*EvalCoord2f)( GLfloat, GLfloat ); /* NOTE */ void (*EvalCoord2fv)( const GLfloat * ); /* NOTE */ void (*EvalPoint1)( GLint ); /* NOTE */ @@ -1053,7 +1028,10 @@ 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... + * + * Update: There seem to be issues re. maintaining correct values + * for 'ctx->Current' in the face of Eval and T&L fallbacks... */ GLboolean prefer_float_colors; |