diff options
Diffstat (limited to 'src/mesa/drivers/common/t_dd_triemit.h')
| -rw-r--r-- | src/mesa/drivers/common/t_dd_triemit.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/mesa/drivers/common/t_dd_triemit.h b/src/mesa/drivers/common/t_dd_triemit.h new file mode 100644 index 0000000000..2f5bcee7ec --- /dev/null +++ b/src/mesa/drivers/common/t_dd_triemit.h @@ -0,0 +1,157 @@ +#ifndef DO_DEBUG_VERTS +#define DO_DEBUG_VERTS 0 +#endif + +#ifndef PRINT_VERTEX +#define PRINT_VERTEX(x) +#endif + +#if defined(USE_X86_ASM) +#define COPY_DWORDS( j, vb, vertsize, v ) \ +do { \ + int __tmp; \ + __asm__ __volatile__( "rep ; movsl" \ + : "=%c" (j), "=D" (vb), "=S" (__tmp) \ + : "0" (vertsize), \ + "D" ((long)vb), \ + "S" ((long)v) ); \ +} while (0) +#else +#define COPY_DWORDS( j, vb, vertsize, v ) \ +do { \ + for ( j = 0 ; j < vertsize ; j++ ) \ + vb[j] = ((GLuint *)v)[j]; \ + vb += vertsize; \ +} while (0) +#endif + + + +#if HAVE_QUADS +static __inline void TAG(quad)( CTX_ARG, + VERTEX *v0, + VERTEX *v1, + VERTEX *v2, + VERTEX *v3 ) +{ + GLuint vertsize = GET_VERTEX_DWORDS(); + GLuint *vb = (GLuint *)ALLOC_VERTS( 4, vertsize); + GLuint j; + + if (DO_DEBUG_VERTS) { + fprintf(stderr, "%s\n", __FUNCTION__); + PRINT_VERTEX(v0); + PRINT_VERTEX(v1); + PRINT_VERTEX(v2); + PRINT_VERTEX(v3); + } + + COPY_DWORDS( j, vb, vertsize, v0 ); + COPY_DWORDS( j, vb, vertsize, v1 ); + COPY_DWORDS( j, vb, vertsize, v2 ); + COPY_DWORDS( j, vb, vertsize, v3 ); +} +#else +static __inline void TAG(quad)( CTX_ARG, + VERTEX *v0, + VERTEX *v1, + VERTEX *v2, + VERTEX *v3 ) +{ + GLuint vertsize = GET_VERTEX_DWORDS(); + GLuint *vb = (GLuint *)ALLOC_VERTS( 6, vertsize); + GLuint j; + + if (DO_DEBUG_VERTS) { + fprintf(stderr, "%s\n", __FUNCTION__); + PRINT_VERTEX(v0); + PRINT_VERTEX(v1); + PRINT_VERTEX(v2); + PRINT_VERTEX(v3); + } + + COPY_DWORDS( j, vb, vertsize, v0 ); + COPY_DWORDS( j, vb, vertsize, v1 ); + COPY_DWORDS( j, vb, vertsize, v3 ); + COPY_DWORDS( j, vb, vertsize, v1 ); + COPY_DWORDS( j, vb, vertsize, v2 ); + COPY_DWORDS( j, vb, vertsize, v3 ); +} +#endif + + +static __inline void TAG(triangle)( CTX_ARG, + VERTEX *v0, + VERTEX *v1, + VERTEX *v2 ) +{ + GLuint vertsize = GET_VERTEX_DWORDS(); + GLuint *vb = (GLuint *)ALLOC_VERTS( 3, vertsize); + GLuint j; + + if (DO_DEBUG_VERTS) { + fprintf(stderr, "%s\n", __FUNCTION__); + PRINT_VERTEX(v0); + PRINT_VERTEX(v1); + PRINT_VERTEX(v2); + } + + COPY_DWORDS( j, vb, vertsize, v0 ); + COPY_DWORDS( j, vb, vertsize, v1 ); + COPY_DWORDS( j, vb, vertsize, v2 ); +} + + +#if HAVE_LINES +static __inline void TAG(line)( CTX_ARG, + VERTEX *v0, + VERTEX *v1 ) +{ + GLuint vertsize = GET_VERTEX_DWORDS(); + GLuint *vb = (GLuint *)ALLOC_VERTS( 2, vertsize); + GLuint j; + + COPY_DWORDS( j, vb, vertsize, v0 ); + COPY_DWORDS( j, vb, vertsize, v1 ); +} +#endif + +#if HAVE_POINTS +static __inline void TAG(point)( CTX_ARG, + VERTEX *v0 ) +{ + GLuint vertsize = GET_VERTEX_DWORDS(); + GLuint *vb = (GLuint *)ALLOC_VERTS( 1, vertsize); + int j; + + COPY_DWORDS( j, vb, vertsize, v0 ); +} +#endif + + +static void TAG(fast_clipped_poly)( GLcontext *ctx, const GLuint *elts, + GLuint n ) +{ + LOCAL_VARS + GLuint vertsize = GET_VERTEX_DWORDS(); + GLuint *vb = (GLuint *)ALLOC_VERTS( (n-2) * 3, vertsize ); + const GLuint *start = (const GLuint *)VERT(elts[0]); + int i,j; + + if (DO_DEBUG_VERTS) { + fprintf(stderr, "%s\n", __FUNCTION__); + PRINT_VERTEX(VERT(elts[0])); + PRINT_VERTEX(VERT(elts[1])); + } + + for (i = 2 ; i < n ; i++) { + if (DO_DEBUG_VERTS) { + PRINT_VERTEX(VERT(elts[i])); + } + + COPY_DWORDS( j, vb, vertsize, VERT(elts[i-1]) ); + COPY_DWORDS( j, vb, vertsize, VERT(elts[i]) ); + COPY_DWORDS( j, vb, vertsize, start ); + } +} + |