diff options
Diffstat (limited to 'src/mesa/main/dd.h')
| -rw-r--r-- | src/mesa/main/dd.h | 127 |
1 files changed, 85 insertions, 42 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 9452a0e86c0..2c9a024842c 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -1,4 +1,4 @@ -/* $Id: dd.h,v 1.41 2000/11/14 17:40:13 brianp Exp $ */ +/* $Id: dd.h,v 1.42 2000/11/16 21:05:34 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -34,7 +34,6 @@ struct gl_pixelstore_attrib; struct vertex_buffer; -struct immediate; struct gl_pipeline; struct gl_pipeline_stage; @@ -122,6 +121,30 @@ struct gl_pipeline_stage; + + + + +/* Point, line, triangle, quadrilateral and rectangle rasterizer + * functions. These are specific to the tnl module and will shortly + * move to a driver interface specific to that module. + */ +typedef void (*points_func)( GLcontext *ctx, GLuint first, GLuint last ); + +typedef void (*line_func)( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv ); + +typedef void (*triangle_func)( GLcontext *ctx, + GLuint v1, GLuint v2, GLuint v3, GLuint pv ); + +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. */ @@ -138,12 +161,6 @@ struct dd_function_table { * NULL can be returned. */ - GLuint UpdateStateNotify; - /* - * Tell mesa exactly when to call UpdateState. This is a bitwise - * or of the _NEW_* flags defined in types.h. - */ - void (*UpdateState)( GLcontext *ctx ); /* * UpdateState() is called whenver Mesa thinks the device driver should @@ -327,13 +344,6 @@ struct dd_function_table { * the error value. */ - void (*NearFar)( GLcontext *ctx, GLfloat nearVal, GLfloat farVal ); - /* - * Called from glFrustum and glOrtho to tell device driver the - * near and far clipping plane Z values. The 3Dfx driver, for example, - * uses this. - */ - /*** *** For supporting hardware Z buffers: @@ -744,14 +754,13 @@ struct dd_function_table { /*** - *** Accelerated point, line, polygon, quad and rect functions: + *** Accelerated point, line, polygon and quad functions: ***/ points_func PointsFunc; line_func LineFunc; triangle_func TriangleFunc; quad_func QuadFunc; - rect_func RectFunc; /*** @@ -798,12 +807,7 @@ struct dd_function_table { /*** *** NEW in Mesa 3.x ***/ - void (*LightingSpaceChange)( GLcontext *ctx ); - /* Notify driver that the special derived value _NeedEyeCoords has - * changed. - */ - void (*RegisterVB)( struct vertex_buffer *VB ); void (*UnregisterVB)( struct vertex_buffer *VB ); /* When Mesa creates a new vertex buffer it calls Driver.RegisterVB() @@ -814,35 +818,57 @@ struct dd_function_table { */ - void (*ResetVB)( struct vertex_buffer *VB ); - void (*ResetCvaVB)( struct vertex_buffer *VB, GLuint stages ); - /* Do any reset operations necessary to the driver data associated - * with these vertex buffers. - */ - GLuint RenderVectorFlags; - /* What do the render tables require of the vectors they deal - * with? + GLboolean (*BuildPrecalcPipeline)( GLcontext *ctx ); + GLboolean (*BuildEltPipeline)( GLcontext *ctx ); + /* Perform the full pipeline build, or return false. */ - GLuint (*RegisterPipelineStages)( struct gl_pipeline_stage *out, - const struct gl_pipeline_stage *in, - GLuint nr ); - /* Register new pipeline stages, or modify existing ones. See also - * the OptimizePipeline() functions. + + /*** + *** Support for multiple t&l engines + ***/ + +#define FLUSH_INSIDE_BEGIN_END 0x1 +#define FLUSH_STORED_VERTICES 0x2 +#define FLUSH_UPDATE_CURRENT 0x4 + + 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. + * + * The FlushVertices() call below may be used to resolve + * these conditions. */ + GLboolean (*FlushVertices)( GLcontext *ctx, GLuint flags ); + /* If inside begin/end, returns GL_FALSE. + * Otherwise, + * if (flags & FLUSH_STORED_VERTICES) flushes any buffered vertices, + * if (flags & FLUSH_UPDATE_CURRENT) updates ctx->Current, + * returns GL_TRUE. + * + * Note that the default t&l engine never clears the + * FLUSH_UPDATE_CURRENT bit, even after performing the update. + */ - GLboolean (*BuildPrecalcPipeline)( GLcontext *ctx ); - GLboolean (*BuildEltPipeline)( GLcontext *ctx ); - /* Perform the full pipeline build, or return false. + void (*LightingSpaceChange)( GLcontext *ctx ); + /* Notify driver that the special derived value _NeedEyeCoords has + * changed. */ + void (*NewList)( GLcontext *ctx, GLuint list, GLenum mode ); + void (*EndList)( GLcontext *ctx ); + /* Let the t&l component know what is going on with display lists + * in time to make changes to dispatch tables, etc. + */ - void (*OptimizePrecalcPipeline)( GLcontext *ctx, struct gl_pipeline *pipe ); - void (*OptimizeImmediatePipeline)( GLcontext *ctx, struct gl_pipeline *pipe); - /* Check to see if a fast path exists for this combination of stages - * in the precalc and immediate (elt) pipelines. + void (*MakeCurrent)( GLcontext *ctx, GLframebuffer *drawBuffer, + GLframebuffer *readBuffer ); + /* Let the t&l component know when the context becomes current. */ @@ -898,6 +924,23 @@ struct dd_function_table { GLboolean (*GetFloatv)(GLcontext *ctx, GLenum pname, GLfloat *result); GLboolean (*GetIntegerv)(GLcontext *ctx, GLenum pname, GLint *result); GLboolean (*GetPointerv)(GLcontext *ctx, GLenum pname, GLvoid **result); + + + void (*VertexPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*NormalPointer)(GLcontext *ctx, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*ColorPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*FogCoordPointer)(GLcontext *ctx, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*IndexPointer)(GLcontext *ctx, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*SecondaryColorPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*EdgeFlagPointer)(GLcontext *ctx, GLsizei stride, const GLvoid *ptr); }; |