diff options
Diffstat (limited to 'src/mesa/swrast/s_trispan.h')
-rw-r--r-- | src/mesa/swrast/s_trispan.h | 63 |
1 files changed, 1 insertions, 62 deletions
diff --git a/src/mesa/swrast/s_trispan.h b/src/mesa/swrast/s_trispan.h index 48f397e4c51..ebd5188d39e 100644 --- a/src/mesa/swrast/s_trispan.h +++ b/src/mesa/swrast/s_trispan.h @@ -1,4 +1,4 @@ -/* $Id: s_trispan.h,v 1.3 2001/09/13 22:12:54 brianp Exp $ */ +/* $Id: s_trispan.h,v 1.4 2001/12/17 04:54:35 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -29,65 +29,4 @@ #define S_TRISPAN_H -/* - * The triangle_span structure is used by the triangle template code in - * s_tritemp.h. It describes how colors, Z, texcoords, etc are to be - * interpolated across each scanline of triangle. - * With this structure it's easy to hand-off span rasterization to a - * subroutine instead of doing it all inline like we used to do. - * It also cleans up the local variable namespace a great deal. - * - * It would be interesting to experiment with multiprocessor rasterization - * with this structure. The triangle rasterizer could simply emit a - * stream of these structures which would be consumed by one or more - * span-processing threads which could run in parallel. - */ - - -/* When the triangle_span struct is initialized, these flags indicates - * which values are needed for rendering the triangle. - */ -#define SPAN_RGBA 0x001 -#define SPAN_SPEC 0x002 -#define SPAN_INDEX 0x004 -#define SPAN_Z 0x008 -#define SPAN_FOG 0x010 -#define SPAN_TEXTURE 0x020 -#define SPAN_INT_TEXTURE 0x040 -#define SPAN_LAMBDA 0x080 -#define SPAN_FLAT 0x100 /* flat shading? */ - - -struct triangle_span { - GLint x, y; - GLuint count; - GLuint activeMask; /* OR of the SPAN_* flags */ -#if CHAN_TYPE == GL_FLOAT - GLfloat red, redStep; - GLfloat green, greenStep; - GLfloat blue, blueStep; - GLfloat alpha, alphaStep; - GLfloat specRed, specRedStep; - GLfloat specGreen, specGreenStep; - GLfloat specBlue, specBlueStep; -#else - GLfixed red, redStep; - GLfixed green, greenStep; - GLfixed blue, blueStep; - GLfixed alpha, alphaStep; - GLfixed specRed, specRedStep; - GLfixed specGreen, specGreenStep; - GLfixed specBlue, specBlueStep; -#endif - GLfixed index, indexStep; - GLfixed z, zStep; - GLfloat fog, fogStep; - GLfloat tex[MAX_TEXTURE_UNITS][4], texStep[MAX_TEXTURE_UNITS][4]; - GLfixed intTex[2], intTexStep[2]; - /* Needed for texture lambda (LOD) computation */ - GLfloat rho[MAX_TEXTURE_UNITS]; - GLfloat texWidth[MAX_TEXTURE_UNITS], texHeight[MAX_TEXTURE_UNITS]; -}; - - #endif /* S_TRISPAN_H */ |