diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_tris.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_tris.c | 1921 |
1 files changed, 0 insertions, 1921 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_tris.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_tris.c deleted file mode 100644 index 4a0044be8..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mach64/mach64_tris.c +++ /dev/null @@ -1,1921 +0,0 @@ -/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */ -/* - * Copyright 2000 Gareth Hughes - * 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 (including the next - * paragraph) 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 - * GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER - * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * Authors: - * Gareth Hughes <gareth@valinux.com> - * Leif Delgass <ldelgass@retinalburn.net> - * José Fonseca <j_r_fonseca@yahoo.co.uk> - */ - -#include "glheader.h" -#include "mtypes.h" -#include "colormac.h" -#include "macros.h" - -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" - -#include "mach64_tris.h" -#include "mach64_state.h" -#include "mach64_context.h" -#include "mach64_vb.h" -#include "mach64_ioctl.h" - -static const GLuint hw_prim[GL_POLYGON+1] = { - MACH64_PRIM_POINTS, - MACH64_PRIM_LINES, - MACH64_PRIM_LINE_LOOP, - MACH64_PRIM_LINE_STRIP, - MACH64_PRIM_TRIANGLES, - MACH64_PRIM_TRIANGLE_STRIP, - MACH64_PRIM_TRIANGLE_FAN, - MACH64_PRIM_QUADS, - MACH64_PRIM_QUAD_STRIP, - MACH64_PRIM_POLYGON, -}; - -static void mach64RasterPrimitive( GLcontext *ctx, GLuint hwprim ); -static void mach64RenderPrimitive( GLcontext *ctx, GLenum prim ); - - -/* FIXME: Remove this when native template is finished. */ -#define MACH64_PRINT_BUFFER 0 - -/*********************************************************************** - * Emit primitives as inline vertices * - ***********************************************************************/ - -#if defined(USE_X86_ASM) -#define DO_COPY_VERTEX( vb, vertsize, v, n, m ) \ -do { \ - register const CARD32 *__p __asm__( "esi" ) = (CARD32 *)v + 10 - vertsize; \ - register int __s __asm__( "ecx" ) = vertsize; \ - if ( vertsize > 7 ) { \ - *vb++ = (2 << 16) | ADRINDEX( MACH64_VERTEX_##n##_SECONDARY_S ); \ - __asm__ __volatile__( "movsl ; movsl ; movsl" \ - : "=D" (vb), "=S" (__p) \ - : "0" (vb), "1" (__p) ); \ - __s -= 3; \ - } \ - *vb++ = ((__s - 1 + m) << 16) | \ - (ADRINDEX( MACH64_VERTEX_##n##_X_Y ) - (__s - 1) ); \ - __asm__ __volatile__( "rep ; movsl" \ - : "=%c" (__s), "=D" (vb), "=S" (__p) \ - : "0" (__s), "1" (vb), "2" (__p) ); \ -} while (0) -#else -#define DO_COPY_VERTEX( vb, vertsize, v, n, m ) \ -do { \ - CARD32 *__p = (CARD32 *)v + 10 - vertsize; \ - int __s = vertsize; \ - if ( vertsize > 7 ) { \ - LE32_OUT( vb++, (2 << 16) | \ - ADRINDEX( MACH64_VERTEX_##n##_SECONDARY_S ) ); \ - *vb++ = *__p++; \ - *vb++ = *__p++; \ - *vb++ = *__p++; \ - __s -= 3; \ - } \ - LE32_OUT( vb++, ((__s - 1 + m) << 16) | \ - (ADRINDEX( MACH64_VERTEX_##n##_X_Y ) - (__s - 1)) ); \ - while ( __s-- ) { \ - *vb++ = *__p++; \ - } \ -} while (0) -#endif - -#define COPY_VERTEX( vb, vertsize, v, n ) DO_COPY_VERTEX( vb, vertsize, v, n, 0 ) -#define COPY_VERTEX_OOA( vb, vertsize, v, n ) DO_COPY_VERTEX( vb, vertsize, v, n, 1 ) - - -static __inline void mach64_draw_quad( mach64ContextPtr mmesa, - mach64VertexPtr v0, - mach64VertexPtr v1, - mach64VertexPtr v2, - mach64VertexPtr v3 ) -{ -#if MACH64_NATIVE_VTXFMT - GLcontext *ctx = mmesa->glCtx; - const GLuint vertsize = mmesa->vertex_size; - GLint a; - GLfloat ooa; - GLuint xy; - const GLuint xyoffset = 9; - GLint xx[3], yy[3]; /* 2 fractional bits for hardware */ - unsigned vbsiz = (vertsize + (vertsize > 7 ? 2 : 1)) * 4 + 2; - CARD32 *vb, *vbchk; - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1:\n"); - mach64_print_vertex( ctx, v0 ); - fprintf(stderr,"Vertex 2:\n"); - mach64_print_vertex( ctx, v1 ); - fprintf(stderr,"Vertex 3:\n"); - mach64_print_vertex( ctx, v2 ); - fprintf(stderr,"Vertex 4:\n"); - mach64_print_vertex( ctx, v3 ); - } - - xy = LE32_IN( &v0->ui[xyoffset] ); - xx[0] = (GLshort)( xy >> 16 ); - yy[0] = (GLshort)( xy & 0xffff ); - - xy = LE32_IN( &v1->ui[xyoffset] ); - xx[1] = (GLshort)( xy >> 16 ); - yy[1] = (GLshort)( xy & 0xffff ); - - xy = LE32_IN( &v3->ui[xyoffset] ); - xx[2] = (GLshort)( xy >> 16 ); - yy[2] = (GLshort)( xy & 0xffff ); - - a = (xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2]); - - if ( (mmesa->backface_sign && - ((a < 0 && !signbit( mmesa->backface_sign )) || - (a > 0 && signbit( mmesa->backface_sign )))) ) { - /* cull quad */ - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) - fprintf(stderr,"Quad culled\n"); - return; - } - - ooa = 16.0 / a; - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * sizeof(CARD32) ); - vbchk = vb + vbsiz; - - COPY_VERTEX( vb, vertsize, v0, 1 ); - COPY_VERTEX( vb, vertsize, v1, 2 ); - COPY_VERTEX_OOA( vb, vertsize, v3, 3 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - xy = LE32_IN( &v2->ui[xyoffset] ); - xx[0] = (GLshort)( xy >> 16 ); - yy[0] = (GLshort)( xy & 0xffff ); - - a = (xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2]); - - ooa = 16.0 / a; - - COPY_VERTEX_OOA( vb, vertsize, v2, 1 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - assert( vb == vbchk ); - -#if MACH64_PRINT_BUFFER - { - int i; - fprintf(stderr, "quad:\n"); - for (i = 0; i < vbsiz; i++) - fprintf(stderr, " %08lx\n", *(vb - vbsiz + i)); - fprintf(stderr, "\n"); - } -#endif -#else - GLuint vertsize = mmesa->vertex_size; - GLint coloridx; - GLfloat ooa; - GLint xx[3], yy[3]; /* 2 fractional bits for hardware */ - unsigned vbsiz = - (( - 1 + - (vertsize > 6 ? 2 : 0) + - (vertsize > 4 ? 2 : 0) + - 3 + - (mmesa->multitex ? 4 : 0) - ) * 4 + 4); - CARD32 *vb; - unsigned vbidx = 0; - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1: x: %.2f, y: %.2f, z: %.2f, w: %f\n\ts0: %f, t0: %f\n\ts1: %f, t1: %f\n", - v0->v.x, v0->v.y, v0->v.z, v0->v.w, v0->v.u0, v0->v.v0, v0->v.u1, v0->v.v1); - fprintf(stderr,"Vertex 2: x: %.2f, y: %.2f, z: %.2f, w: %f\n\ts0: %f, t0: %f\n\ts1: %f, t1: %f\n", - v1->v.x, v1->v.y, v1->v.z, v1->v.w, v1->v.u0, v1->v.v0, v1->v.u1, v1->v.v1); - fprintf(stderr,"Vertex 3: x: %.2f, y: %.2f, z: %.2f, w: %f\n\ts0: %f, t0: %f\n\ts1: %f, t1: %f\n", - v2->v.x, v2->v.y, v2->v.z, v2->v.w, v2->v.u0, v2->v.v0, v2->v.u1, v2->v.v1); - fprintf(stderr,"Vertex 4: x: %.2f, y: %.2f, z: %.2f, w: %f\n\ts0: %f, t0: %f\n\ts1: %f, t1: %f\n", - v3->v.x, v3->v.y, v3->v.z, v3->v.w, v3->v.u0, v3->v.v0, v3->v.u1, v3->v.v1); - } - -#if MACH64_CLIENT_STATE_EMITS - /* Enable for interleaved client-side state emits */ - LOCK_HARDWARE( mmesa ); - if ( mmesa->dirty ) { - mach64EmitHwStateLocked( mmesa ); - } - if ( mmesa->sarea->dirty ) { - mach64UploadHwStateLocked( mmesa ); - } - UNLOCK_HARDWARE( mmesa ); -#endif - - xx[0] = (GLint)(v0->v.x * 4); - yy[0] = (GLint)(v0->v.y * 4); - - xx[1] = (GLint)(v1->v.x * 4); - yy[1] = (GLint)(v1->v.y * 4); - - xx[2] = (GLint)(v3->v.x * 4); - yy[2] = (GLint)(v3->v.y * 4); - - ooa = 0.25 * 0.25 * ((xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2])); - - if ( ooa * mmesa->backface_sign < 0 ) { - /* cull quad */ - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) - fprintf(stderr,"Quad culled\n"); - return; - } - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * 4 ); - - ooa = 1.0 / ooa; - - coloridx = (vertsize > 4) ? 4: 3; - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_1_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_1_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_1_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_1_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_1_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_1_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_1_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_1_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[0] << 16) | (yy[0] & 0xffff) ); /* MACH64_VERTEX_1_X_Y */ - - if (mmesa->multitex) { - /* setup for 3 sequential reg writes */ - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_SECONDARY_S) ); - LE32_OUT( &vb[vbidx++], v0->ui[8] ); /* MACH64_VERTEX_1_SECONDARY_S */ - LE32_OUT( &vb[vbidx++], v0->ui[9] ); /* MACH64_VERTEX_1_SECONDARY_T */ - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_1_SECONDARY_W */ - } - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_2_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_2_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_2_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v1->ui[6] ); /* MACH64_VERTEX_2_S */ - LE32_OUT( &vb[vbidx++], v1->ui[7] ); /* MACH64_VERTEX_2_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v1->ui[3] ); /* MACH64_VERTEX_2_W */ - LE32_OUT( &vb[vbidx++], v1->ui[5] ); /* MACH64_VERTEX_2_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v1->v.z) << 15) ); /* MACH64_VERTEX_2_Z */ - vb[vbidx++] = v1->ui[coloridx]; /* MACH64_VERTEX_2_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[1] << 16) | (yy[1] & 0xffff) ); /* MACH64_VERTEX_2_X_Y */ - - if (mmesa->multitex) { - /* setup for 3 sequential reg writes */ - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_2_SECONDARY_S) ); - LE32_OUT( &vb[vbidx++], v1->ui[8] ); /* MACH64_VERTEX_2_SECONDARY_S */ - LE32_OUT( &vb[vbidx++], v1->ui[9] ); /* MACH64_VERTEX_2_SECONDARY_T */ - LE32_OUT( &vb[vbidx++], v1->ui[3] ); /* MACH64_VERTEX_2_SECONDARY_W */ - } - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_3_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_3_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_3_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v3->ui[6] ); /* MACH64_VERTEX_3_S */ - LE32_OUT( &vb[vbidx++], v3->ui[7] ); /* MACH64_VERTEX_3_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v3->ui[3] ); /* MACH64_VERTEX_3_W */ - LE32_OUT( &vb[vbidx++], v3->ui[5] ); /* MACH64_VERTEX_3_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v3->v.z) << 15) ); /* MACH64_VERTEX_3_Z */ - vb[vbidx++] = v3->ui[coloridx]; /* MACH64_VERTEX_3_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[2] << 16) | (yy[2] & 0xffff) ); /* MACH64_VERTEX_3_X_Y */ - - if (mmesa->multitex) { - /* setup for 3 sequential reg writes */ - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_3_SECONDARY_S) ); - LE32_OUT( &vb[vbidx++], v3->ui[8] ); /* MACH64_VERTEX_3_SECONDARY_S */ - LE32_OUT( &vb[vbidx++], v3->ui[9] ); /* MACH64_VERTEX_3_SECONDARY_T */ - LE32_OUT( &vb[vbidx++], v3->ui[3] ); /* MACH64_VERTEX_3_SECONDARY_W */ - } - - LE32_OUT( &vb[vbidx++], ADRINDEX(MACH64_ONE_OVER_AREA_UC) ); - LE32_OUT( &vb[vbidx++], *(GLuint *)&ooa ); - - xx[0] = (GLint)(v2->v.x * 4); - yy[0] = (GLint)(v2->v.y * 4); - - ooa = 0.25 * 0.25 * ((xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2])); - ooa = 1.0 / ooa; - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_1_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_1_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v2->ui[6] ); /* MACH64_VERTEX_1_S */ - LE32_OUT( &vb[vbidx++], v2->ui[7] ); /* MACH64_VERTEX_1_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v2->ui[3] ); /* MACH64_VERTEX_1_W */ - LE32_OUT( &vb[vbidx++], v2->ui[5] ); /* MACH64_VERTEX_1_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v2->v.z) << 15) ); /* MACH64_VERTEX_1_Z */ - vb[vbidx++] = v2->ui[coloridx]; /* MACH64_VERTEX_1_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[0] << 16) | (yy[0] & 0xffff) ); /* MACH64_VERTEX_1_X_Y */ - - if (mmesa->multitex) { - /* setup for 3 sequential reg writes */ - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_SECONDARY_S) ); - LE32_OUT( &vb[vbidx++], v2->ui[8] ); /* MACH64_VERTEX_1_SECONDARY_S */ - LE32_OUT( &vb[vbidx++], v2->ui[9] ); /* MACH64_VERTEX_1_SECONDARY_T */ - LE32_OUT( &vb[vbidx++], v2->ui[3] ); /* MACH64_VERTEX_1_SECONDARY_W */ - } - - LE32_OUT( &vb[vbidx++], ADRINDEX(MACH64_ONE_OVER_AREA_UC) ); - LE32_OUT( &vb[vbidx++], *(GLuint *)&ooa ); - - assert(vbsiz == vbidx); - -#if MACH64_PRINT_BUFFER - { - int i; - fprintf(stderr, "quad:\n"); - for (i = 0; i < vbsiz; i++) - fprintf(stderr, " %08lx\n", *(vb + i)); - fprintf(stderr, "\n"); - } -#endif -#endif -} - -static __inline void mach64_draw_triangle( mach64ContextPtr mmesa, - mach64VertexPtr v0, - mach64VertexPtr v1, - mach64VertexPtr v2 ) -{ -#if MACH64_NATIVE_VTXFMT - GLcontext *ctx = mmesa->glCtx; - GLuint vertsize = mmesa->vertex_size; - GLint a; - GLfloat ooa; - GLuint xy; - const GLuint xyoffset = 9; - GLint xx[3], yy[3]; /* 2 fractional bits for hardware */ - unsigned vbsiz = (vertsize + (vertsize > 7 ? 2 : 1)) * 3 + 1; - CARD32 *vb, *vbchk; - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1:\n"); - mach64_print_vertex( ctx, v0 ); - fprintf(stderr,"Vertex 2:\n"); - mach64_print_vertex( ctx, v1 ); - fprintf(stderr,"Vertex 3:\n"); - mach64_print_vertex( ctx, v2 ); - } - - xy = LE32_IN( &v0->ui[xyoffset] ); - xx[0] = (GLshort)( xy >> 16 ); - yy[0] = (GLshort)( xy & 0xffff ); - - xy = LE32_IN( &v1->ui[xyoffset] ); - xx[1] = (GLshort)( xy >> 16 ); - yy[1] = (GLshort)( xy & 0xffff ); - - xy = LE32_IN( &v2->ui[xyoffset] ); - xx[2] = (GLshort)( xy >> 16 ); - yy[2] = (GLshort)( xy & 0xffff ); - - a = (xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2]); - - if ( mmesa->backface_sign && - ((a < 0 && !signbit( mmesa->backface_sign )) || - (a > 0 && signbit( mmesa->backface_sign ))) ) { - /* cull triangle */ - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) - fprintf(stderr,"Triangle culled\n"); - return; - } - - ooa = 16.0 / a; - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * sizeof(CARD32) ); - vbchk = vb + vbsiz; - - COPY_VERTEX( vb, vertsize, v0, 1 ); - COPY_VERTEX( vb, vertsize, v1, 2 ); - COPY_VERTEX_OOA( vb, vertsize, v2, 3 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - assert( vb == vbchk ); - -#if MACH64_PRINT_BUFFER - { - int i; - fprintf(stderr, "tri:\n"); - for (i = 0; i < vbsiz; i++) - fprintf(stderr, " %08lx\n", *(vb - vbsiz + i)); - fprintf(stderr, "\n"); - } -#endif -#else - GLuint vertsize = mmesa->vertex_size; - GLint coloridx; - GLfloat ooa; - GLint xx[3], yy[3]; /* 2 fractional bits for hardware */ - unsigned vbsiz = - (( - 1 + - (vertsize > 6 ? 2 : 0) + - (vertsize > 4 ? 2 : 0) + - 3 + - (mmesa->multitex ? 4 : 0) - ) * 3 + 2); - CARD32 *vb; - unsigned vbidx = 0; - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1: x: %.2f, y: %.2f, z: %.2f, w: %f\n\ts0: %f, t0: %f\n\ts1: %f, t1: %f\n", - v0->v.x, v0->v.y, v0->v.z, v0->v.w, v0->v.u0, v0->v.v0, v0->v.u1, v0->v.v1); - fprintf(stderr,"Vertex 2: x: %.2f, y: %.2f, z: %.2f, w: %f\n\ts0: %f, t0: %f\n\ts1: %f, t1: %f\n", - v1->v.x, v1->v.y, v1->v.z, v1->v.w, v1->v.u0, v1->v.v0, v1->v.u1, v1->v.v1); - fprintf(stderr,"Vertex 3: x: %.2f, y: %.2f, z: %.2f, w: %f\n\ts0: %f, t0: %f\n\ts1: %f, t1: %f\n", - v2->v.x, v2->v.y, v2->v.z, v2->v.w, v2->v.u0, v2->v.v0, v2->v.u1, v2->v.v1); - } - -#if MACH64_CLIENT_STATE_EMITS - /* Enable for interleaved client-side state emits */ - LOCK_HARDWARE( mmesa ); - if ( mmesa->dirty ) { - mach64EmitHwStateLocked( mmesa ); - } - if ( mmesa->sarea->dirty ) { - mach64UploadHwStateLocked( mmesa ); - } - UNLOCK_HARDWARE( mmesa ); -#endif - - xx[0] = (GLint)(v0->v.x * 4); - yy[0] = (GLint)(v0->v.y * 4); - - xx[1] = (GLint)(v1->v.x * 4); - yy[1] = (GLint)(v1->v.y * 4); - - xx[2] = (GLint)(v2->v.x * 4); - yy[2] = (GLint)(v2->v.y * 4); - - ooa = 0.25 * 0.25 * ((xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2])); - - if ( ooa * mmesa->backface_sign < 0 ) { - /* cull triangle */ - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) - fprintf(stderr,"Triangle culled\n"); - return; - } - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * 4 ); - - ooa = 1.0 / ooa; - - coloridx = (vertsize > 4) ? 4: 3; - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_1_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_1_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_1_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_1_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_1_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_1_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_1_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_1_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[0] << 16) | (yy[0] & 0xffff) ); /* MACH64_VERTEX_1_X_Y */ - - if (mmesa->multitex) { - /* setup for 3 sequential reg writes */ - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_SECONDARY_S) ); - LE32_OUT( &vb[vbidx++], v0->ui[8] ); /* MACH64_VERTEX_1_SECONDARY_S */ - LE32_OUT( &vb[vbidx++], v0->ui[9] ); /* MACH64_VERTEX_1_SECONDARY_T */ - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_1_SECONDARY_W */ - } - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_2_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_2_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_2_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v1->ui[6] ); /* MACH64_VERTEX_2_S */ - LE32_OUT( &vb[vbidx++], v1->ui[7] ); /* MACH64_VERTEX_2_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v1->ui[3] ); /* MACH64_VERTEX_2_W */ - LE32_OUT( &vb[vbidx++], v1->ui[5] ); /* MACH64_VERTEX_2_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v1->v.z) << 15) ); /* MACH64_VERTEX_2_Z */ - vb[vbidx++] = v1->ui[coloridx]; /* MACH64_VERTEX_2_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[1] << 16) | (yy[1] & 0xffff) ); /* MACH64_VERTEX_2_X_Y */ - - if (mmesa->multitex) { - /* setup for 3 sequential reg writes */ - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_2_SECONDARY_S) ); - LE32_OUT( &vb[vbidx++], v1->ui[8] ); /* MACH64_VERTEX_2_SECONDARY_S */ - LE32_OUT( &vb[vbidx++], v1->ui[9] ); /* MACH64_VERTEX_2_SECONDARY_T */ - LE32_OUT( &vb[vbidx++], v1->ui[3] ); /* MACH64_VERTEX_2_SECONDARY_W */ - } - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_3_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_3_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_3_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v2->ui[6] ); /* MACH64_VERTEX_3_S */ - LE32_OUT( &vb[vbidx++], v2->ui[7] ); /* MACH64_VERTEX_3_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v2->ui[3] ); /* MACH64_VERTEX_3_W */ - LE32_OUT( &vb[vbidx++], v2->ui[5] ); /* MACH64_VERTEX_3_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v2->v.z) << 15) ); /* MACH64_VERTEX_3_Z */ - vb[vbidx++] = v2->ui[coloridx]; /* MACH64_VERTEX_3_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[2] << 16) | (yy[2] & 0xffff) ); /* MACH64_VERTEX_3_X_Y */ - - if (mmesa->multitex) { - /* setup for 3 sequential reg writes */ - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_3_SECONDARY_S) ); - LE32_OUT( &vb[vbidx++], v2->ui[8] ); /* MACH64_VERTEX_3_SECONDARY_S */ - LE32_OUT( &vb[vbidx++], v2->ui[9] ); /* MACH64_VERTEX_3_SECONDARY_T */ - LE32_OUT( &vb[vbidx++], v2->ui[3] ); /* MACH64_VERTEX_3_SECONDARY_W */ - } - - LE32_OUT( &vb[vbidx++], ADRINDEX(MACH64_ONE_OVER_AREA_UC) ); - LE32_OUT( &vb[vbidx++], *(GLuint *)&ooa ); - - assert(vbsiz == vbidx); - -#if MACH64_PRINT_BUFFER - { - int i; - fprintf(stderr, "tri:\n"); - for (i = 0; i < vbsiz; ++i) - fprintf(stderr, " %08lx\n", *(vb + i)); - fprintf(stderr, "\n"); - } -#endif -#endif -} - -static __inline void mach64_draw_line( mach64ContextPtr mmesa, - mach64VertexPtr v0, - mach64VertexPtr v1 ) -{ -#if MACH64_NATIVE_VTXFMT - GLcontext *ctx = mmesa->glCtx; - const GLuint vertsize = mmesa->vertex_size; - GLint width = (GLint)(mmesa->glCtx->Line._Width * 2.0); /* 2 fractional bits for hardware */ - GLfloat ooa; - GLuint *pxy0, *pxy1; - GLuint xy0old, xy0, xy1old, xy1; - const GLuint xyoffset = 9; - GLint x0, y0, x1, y1; - GLint dx, dy, ix, iy; - unsigned vbsiz = (vertsize + (vertsize > 7 ? 2 : 1)) * 4 + 2; - CARD32 *vb, *vbchk; - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1:\n"); - mach64_print_vertex( ctx, v0 ); - fprintf(stderr,"Vertex 2:\n"); - mach64_print_vertex( ctx, v1 ); - } - - if( !width ) - width = 1; /* round to the nearest supported width */ - - pxy0 = &v0->ui[xyoffset]; - xy0old = *pxy0; - xy0 = LE32_IN( &xy0old ); - x0 = (GLshort)( xy0 >> 16 ); - y0 = (GLshort)( xy0 & 0xffff ); - - pxy1 = &v1->ui[xyoffset]; - xy1old = *pxy1; - xy1 = LE32_IN( &xy1old ); - x1 = (GLshort)( xy1 >> 16 ); - y1 = (GLshort)( xy1 & 0xffff ); - - if ( (dx = x1 - x0) < 0 ) { - dx = -dx; - } - if ( (dy = y1 - y0) < 0 ) { - dy = -dy; - } - - /* adjust vertices depending on line direction */ - if ( dx > dy ) { - ix = 0; - iy = width; - ooa = 8.0 / ((x1 - x0) * width); - } else { - ix = width; - iy = 0; - ooa = 8.0 / ((y0 - y1) * width); - } - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * sizeof(CARD32) ); - vbchk = vb + vbsiz; - - LE32_OUT( pxy0, (( x0 - ix ) << 16) | (( y0 - iy ) & 0xffff) ); - COPY_VERTEX( vb, vertsize, v0, 1 ); - LE32_OUT( pxy1, (( x1 - ix ) << 16) | (( y1 - iy ) & 0xffff) ); - COPY_VERTEX( vb, vertsize, v1, 2 ); - LE32_OUT( pxy0, (( x0 + ix ) << 16) | (( y0 + iy ) & 0xffff) ); - COPY_VERTEX_OOA( vb, vertsize, v0, 3 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - ooa = -ooa; - - LE32_OUT( pxy1, (( x1 + ix ) << 16) | (( y1 + iy ) & 0xffff) ); - COPY_VERTEX_OOA( vb, vertsize, v1, 1 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - *pxy0 = xy0old; - *pxy1 = xy1old; -#else /* !MACH64_NATIVE_VTXFMT */ - GLuint vertsize = mmesa->vertex_size; - GLint coloridx; - float width = 1.0; /* Only support 1 pix lines now */ - GLfloat ooa; - GLint xx[3], yy[3]; /* 2 fractional bits for hardware */ - unsigned vbsiz = - (( - 1 + - (vertsize > 6 ? 2 : 0) + - (vertsize > 4 ? 2 : 0) + - 3 + - (mmesa->multitex ? 4 : 0) - ) * 4 + 4); - CARD32 *vb; - unsigned vbidx = 0; - - GLfloat hw, dx, dy, ix, iy; - GLfloat x0 = v0->v.x; - GLfloat y0 = v0->v.y; - GLfloat x1 = v1->v.x; - GLfloat y1 = v1->v.y; - -#if MACH64_CLIENT_STATE_EMITS - /* Enable for interleaved client-side state emits */ - LOCK_HARDWARE( mmesa ); - if ( mmesa->dirty ) { - mach64EmitHwStateLocked( mmesa ); - } - if ( mmesa->sarea->dirty ) { - mach64UploadHwStateLocked( mmesa ); - } - UNLOCK_HARDWARE( mmesa ); -#endif - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1: x: %.2f, y: %.2f, z: %.2f, w: %f\n", - v0->v.x, v0->v.y, v0->v.z, v0->v.w); - fprintf(stderr,"Vertex 2: x: %.2f, y: %.2f, z: %.2f, w: %f\n", - v1->v.x, v1->v.y, v1->v.z, v1->v.w); - } - - hw = 0.5F * width; - if (hw > 0.1F && hw < 0.5F) { - hw = 0.5F; - } - - /* adjust vertices depending on line direction */ - dx = v0->v.x - v1->v.x; - dy = v0->v.y - v1->v.y; - if (dx * dx > dy * dy) { - /* X-major line */ - ix = 0.0F; - iy = hw; - if (x1 < x0) { - x0 += 0.5F; - x1 += 0.5F; - } - y0 -= 0.5F; - y1 -= 0.5F; - } - else { - /* Y-major line */ - ix = hw; - iy = 0.0F; - if (y1 > y0) { - y0 -= 0.5F; - y1 -= 0.5F; - } - x0 += 0.5F; - x1 += 0.5F; - } - - xx[0] = (GLint)((x0 - ix) * 4); - yy[0] = (GLint)((y0 - iy) * 4); - - xx[1] = (GLint)((x1 - ix) * 4); - yy[1] = (GLint)((y1 - iy) * 4); - - xx[2] = (GLint)((x0 + ix) * 4); - yy[2] = (GLint)((y0 + iy) * 4); - - ooa = 0.25 * 0.25 * ((xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2])); - - if ( ooa * mmesa->backface_sign < 0 ) { - /* cull line */ - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) - fprintf(stderr,"Line culled\n"); - return; - } - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * 4 ); - - ooa = 1.0 / ooa; - - coloridx = (vertsize > 4) ? 4: 3; - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_1_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_1_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_1_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_1_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_1_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_1_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_1_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_1_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[0] << 16) | (yy[0] & 0xffff) ); /* MACH64_VERTEX_1_X_Y */ - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_2_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_2_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_2_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v1->ui[6] ); /* MACH64_VERTEX_2_S */ - LE32_OUT( &vb[vbidx++], v1->ui[7] ); /* MACH64_VERTEX_2_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v1->ui[3] ); /* MACH64_VERTEX_2_W */ - LE32_OUT( &vb[vbidx++], v1->ui[5] ); /* MACH64_VERTEX_2_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v1->v.z) << 15) ); /* MACH64_VERTEX_2_Z */ - vb[vbidx++] = v1->ui[coloridx]; /* MACH64_VERTEX_2_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[1] << 16) | (yy[1] & 0xffff) ); /* MACH64_VERTEX_2_X_Y */ - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_3_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_3_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_3_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_3_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_3_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_3_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_3_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_3_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_3_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[2] << 16) | (yy[2] & 0xffff) ); /* MACH64_VERTEX_3_X_Y */ - - LE32_OUT( &vb[vbidx++], ADRINDEX(MACH64_ONE_OVER_AREA_UC) ); - LE32_OUT( &vb[vbidx++], *(GLuint *)&ooa ); - - xx[0] = (GLint)((x1 + ix) * 4); - yy[0] = (GLint)((y1 + iy) * 4); - - ooa = 0.25 * 0.25 * ((xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2])); - ooa = 1.0 / ooa; - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_1_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_1_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v1->ui[6] ); /* MACH64_VERTEX_1_S */ - LE32_OUT( &vb[vbidx++], v1->ui[7] ); /* MACH64_VERTEX_1_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v1->ui[3] ); /* MACH64_VERTEX_1_W */ - LE32_OUT( &vb[vbidx++], v1->ui[5] ); /* MACH64_VERTEX_1_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v1->v.z) << 15) ); /* MACH64_VERTEX_1_Z */ - vb[vbidx++] = v1->ui[coloridx]; /* MACH64_VERTEX_1_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[0] << 16) | (yy[0] & 0xffff) ); /* MACH64_VERTEX_1_X_Y */ - - LE32_OUT( &vb[vbidx++], ADRINDEX(MACH64_ONE_OVER_AREA_UC) ); - LE32_OUT( &vb[vbidx++], *(GLuint *)&ooa ); - - assert(vbsiz == vbidx); -#endif -} - -static __inline void mach64_draw_point( mach64ContextPtr mmesa, - mach64VertexPtr v0 ) -{ -#if MACH64_NATIVE_VTXFMT - GLcontext *ctx = mmesa->glCtx; - const GLuint vertsize = mmesa->vertex_size; - GLint sz = (GLint)(mmesa->glCtx->Point._Size * 2.0); /* 2 fractional bits for hardware */ - GLfloat ooa; - GLuint *pxy; - GLuint xyold, xy; - const GLuint xyoffset = 9; - GLint x, y; - unsigned vbsiz = (vertsize + (vertsize > 7 ? 2 : 1)) * 4 + 2; - CARD32 *vb, *vbchk; - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1:\n"); - mach64_print_vertex( ctx, v0 ); - } - - if( !sz ) - sz = 1; /* round to the nearest supported size */ - - pxy = &v0->ui[xyoffset]; - xyold = *pxy; - xy = LE32_IN( &xyold ); - x = (GLshort)( xy >> 16 ); - y = (GLshort)( xy & 0xffff ); - - ooa = 4.0 / (sz * sz); - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * sizeof(CARD32) ); - vbchk = vb + vbsiz; - - LE32_OUT( pxy, (( x - sz ) << 16) | (( y - sz ) & 0xffff) ); - COPY_VERTEX( vb, vertsize, v0, 1 ); - LE32_OUT( pxy, (( x + sz ) << 16) | (( y - sz ) & 0xffff) ); - COPY_VERTEX( vb, vertsize, v0, 2 ); - LE32_OUT( pxy, (( x - sz ) << 16) | (( y + sz ) & 0xffff) ); - COPY_VERTEX_OOA( vb, vertsize, v0, 3 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - ooa = -ooa; - - LE32_OUT( pxy, (( x + sz ) << 16) | (( y + sz ) & 0xffff) ); - COPY_VERTEX_OOA( vb, vertsize, v0, 1 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - *pxy = xyold; -#else /* !MACH64_NATIVE_VTXFMT */ - GLuint vertsize = mmesa->vertex_size; - GLint coloridx; - float sz = 1.0; /* Only support 1 pix points now */ - GLfloat ooa; - GLint xx[3], yy[3]; /* 2 fractional bits for hardware */ - unsigned vbsiz = - (( - 1 + - (vertsize > 6 ? 2 : 0) + - (vertsize > 4 ? 2 : 0) + - 3 + - (mmesa->multitex ? 4 : 0) - ) * 4 + 4); - CARD32 *vb; - unsigned vbidx = 0; - - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) { - fprintf(stderr, "%s:\n", __FUNCTION__); - fprintf(stderr,"Vertex 1: x: %.2f, y: %.2f, z: %.2f, w: %f\n", - v0->v.x, v0->v.y, v0->v.z, v0->v.w); - } - -#if MACH64_CLIENT_STATE_EMITS - /* Enable for interleaved client-side state emits */ - LOCK_HARDWARE( mmesa ); - if ( mmesa->dirty ) { - mach64EmitHwStateLocked( mmesa ); - } - if ( mmesa->sarea->dirty ) { - mach64UploadHwStateLocked( mmesa ); - } - UNLOCK_HARDWARE( mmesa ); -#endif - - xx[0] = (GLint)((v0->v.x - sz) * 4); - yy[0] = (GLint)((v0->v.y - sz) * 4); - - xx[1] = (GLint)((v0->v.x + sz) * 4); - yy[1] = (GLint)((v0->v.y - sz) * 4); - - xx[2] = (GLint)((v0->v.x - sz) * 4); - yy[2] = (GLint)((v0->v.y + sz) * 4); - - ooa = 0.25 * 0.25 * ((xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2])); - - if ( ooa * mmesa->backface_sign < 0 ) { - /* cull quad */ - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) - fprintf(stderr,"Point culled\n"); - return; - } - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * 4 ); - - ooa = 1.0 / ooa; - - coloridx = (vertsize > 4) ? 4: 3; - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_1_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_1_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_1_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_1_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_1_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_1_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_1_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_1_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[0] << 16) | (yy[0] & 0xffff) ); /* MACH64_VERTEX_1_X_Y */ - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_2_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_2_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_2_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_2_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_2_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_2_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_2_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_2_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_2_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[1] << 16) | (yy[1] & 0xffff) ); /* MACH64_VERTEX_2_X_Y */ - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_3_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_3_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_3_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_3_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_3_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_3_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_3_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_3_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_3_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[2] << 16) | (yy[2] & 0xffff) ); /* MACH64_VERTEX_3_X_Y */ - - LE32_OUT( &vb[vbidx++], ADRINDEX(MACH64_ONE_OVER_AREA_UC) ); - LE32_OUT( &vb[vbidx++], *(GLuint *)&ooa ); - - xx[0] = (GLint)((v0->v.x + sz) * 4); - yy[0] = (GLint)((v0->v.y + sz) * 4); - - ooa = 0.25 * 0.25 * ((xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2])); - ooa = 1.0 / ooa; - - /* setup for 3,5, or 7 sequential reg writes based on vertex format */ - switch (vertsize) { - case 6: - LE32_OUT( &vb[vbidx++], (4 << 16) | ADRINDEX(MACH64_VERTEX_1_W) ); - break; - case 4: - LE32_OUT( &vb[vbidx++], (2 << 16) | ADRINDEX(MACH64_VERTEX_1_Z) ); - break; - default: /* vertsize >= 8 */ - LE32_OUT( &vb[vbidx++], (6 << 16) | ADRINDEX(MACH64_VERTEX_1_S) ); - break; - } - if (vertsize > 6) { - LE32_OUT( &vb[vbidx++], v0->ui[6] ); /* MACH64_VERTEX_1_S */ - LE32_OUT( &vb[vbidx++], v0->ui[7] ); /* MACH64_VERTEX_1_T */ - } - if (vertsize > 4) { - LE32_OUT( &vb[vbidx++], v0->ui[3] ); /* MACH64_VERTEX_1_W */ - LE32_OUT( &vb[vbidx++], v0->ui[5] ); /* MACH64_VERTEX_1_SPEC_ARGB */ - } - LE32_OUT( &vb[vbidx++], ((GLint)(v0->v.z) << 15) ); /* MACH64_VERTEX_1_Z */ - vb[vbidx++] = v0->ui[coloridx]; /* MACH64_VERTEX_1_ARGB */ - LE32_OUT( &vb[vbidx++], (xx[0] << 16) | (yy[0] & 0xffff) ); /* MACH64_VERTEX_1_X_Y */ - - LE32_OUT( &vb[vbidx++], ADRINDEX(MACH64_ONE_OVER_AREA_UC) ); - LE32_OUT( &vb[vbidx++], *(GLuint *)&ooa ); - - assert(vbsiz == vbidx); -#endif -} - -/*********************************************************************** - * Macros for t_dd_tritmp.h to draw basic primitives * - ***********************************************************************/ - -#define TRI( a, b, c ) \ -do { \ - if (DO_FALLBACK) \ - mmesa->draw_tri( mmesa, a, b, c ); \ - else \ - mach64_draw_triangle( mmesa, a, b, c ); \ -} while (0) - -#define QUAD( a, b, c, d ) \ -do { \ - if (DO_FALLBACK) { \ - mmesa->draw_tri( mmesa, a, b, d ); \ - mmesa->draw_tri( mmesa, b, c, d ); \ - } else \ - mach64_draw_quad( mmesa, a, b, c, d ); \ -} while (0) - -#define LINE( v0, v1 ) \ -do { \ - if (DO_FALLBACK) \ - mmesa->draw_line( mmesa, v0, v1 ); \ - else \ - mach64_draw_line( mmesa, v0, v1 ); \ -} while (0) - -#define POINT( v0 ) \ -do { \ - if (DO_FALLBACK) \ - mmesa->draw_point( mmesa, v0 ); \ - else \ - mach64_draw_point( mmesa, v0 ); \ -} while (0) - - -/*********************************************************************** - * Build render functions from dd templates * - ***********************************************************************/ - -#define MACH64_OFFSET_BIT 0x01 -#define MACH64_TWOSIDE_BIT 0x02 -#define MACH64_UNFILLED_BIT 0x04 -#define MACH64_FALLBACK_BIT 0x08 -#define MACH64_MAX_TRIFUNC 0x10 - -static struct { - tnl_points_func points; - tnl_line_func line; - tnl_triangle_func triangle; - tnl_quad_func quad; -} rast_tab[MACH64_MAX_TRIFUNC]; - - -#define DO_FALLBACK (IND & MACH64_FALLBACK_BIT) -#define DO_OFFSET (IND & MACH64_OFFSET_BIT) -#define DO_UNFILLED (IND & MACH64_UNFILLED_BIT) -#define DO_TWOSIDE (IND & MACH64_TWOSIDE_BIT) -#define DO_FLAT 0 -#define DO_TRI 1 -#define DO_QUAD 1 -#define DO_LINE 1 -#define DO_POINTS 1 -#define DO_FULL_QUAD 1 - -#define HAVE_RGBA 1 -#define HAVE_SPEC 1 -#define HAVE_BACK_COLORS 0 -#define HAVE_HW_FLATSHADE 1 -#define VERTEX mach64Vertex -#define TAB rast_tab - -#if MACH64_NATIVE_VTXFMT - -/* #define DEPTH_SCALE 65536.0 */ -#define DEPTH_SCALE 1 -#define UNFILLED_TRI unfilled_tri -#define UNFILLED_QUAD unfilled_quad -#define VERT_X(_v) ((GLfloat)(GLshort)(LE32_IN( &(_v)->ui[xyoffset] ) & 0xffff) / 4.0) -#define VERT_Y(_v) ((GLfloat)(GLshort)(LE32_IN( &(_v)->ui[xyoffset] ) >> 16) / 4.0) -#define VERT_Z(_v) ((GLfloat) LE32_IN( &(_v)->ui[zoffset] )) -#define INSANE_VERTICES -#define VERT_SET_Z(_v,val) LE32_OUT( &(_v)->ui[zoffset], (GLuint)(val) ) -#define VERT_Z_ADD(_v,val) LE32_OUT( &(_v)->ui[zoffset], LE32_IN( &(_v)->ui[zoffset] ) + (GLuint)(val) ) -#define AREA_IS_CCW( a ) ((a) < 0) -#define GET_VERTEX(e) (mmesa->verts + ((e) * mmesa->vertex_size * sizeof(int))) - -#define MACH64_COLOR( dst, src ) \ -do { \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[0], src[2]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[1], src[1]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[2], src[0]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[3], src[3]); \ -} while (0) - -#define MACH64_SPEC( dst, src ) \ -do { \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[0], src[2]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[1], src[1]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[2], src[0]); \ -} while (0) - -#define VERT_SET_RGBA( v, c ) MACH64_COLOR( v->ub4[coloroffset], c ) -#define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset] -#define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset] -#define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx] - -#define VERT_SET_SPEC( v, c ) if (havespec) MACH64_SPEC( v->ub4[specoffset], c ) -#define VERT_COPY_SPEC( v0, v1 ) if (havespec) COPY_3V( v0->ub4[specoffset], v1->ub4[specoffset] ) -#define VERT_SAVE_SPEC( idx ) if (havespec) spec[idx] = v[idx]->ui[specoffset] -#define VERT_RESTORE_SPEC( idx ) if (havespec) v[idx]->ui[specoffset] = spec[idx] - -#define LOCAL_VARS(n) \ - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); \ - GLuint color[n], spec[n]; \ - GLuint vertex_size = mmesa->vertex_size; \ - const GLuint xyoffset = 9; \ - const GLuint coloroffset = 8; \ - const GLuint zoffset = 7; \ - const GLuint specoffset = 6; \ - GLboolean havespec = vertex_size >= 4 ? 1 : 0; \ - (void) color; (void) spec; (void) vertex_size; \ - (void) xyoffset; (void) coloroffset; (void) zoffset; \ - (void) specoffset; (void) havespec; - -#else - -#define DEPTH_SCALE 1.0 -#define UNFILLED_TRI unfilled_tri -#define UNFILLED_QUAD unfilled_quad -#define VERT_X(_v) _v->v.x -#define VERT_Y(_v) _v->v.y -#define VERT_Z(_v) _v->v.z -#define AREA_IS_CCW( a ) (a > 0) -#define GET_VERTEX(e) (mmesa->verts + ((e) * mmesa->vertex_size * sizeof(int))) - -#define MACH64_COLOR( dst, src ) \ -do { \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[0], src[2]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[1], src[1]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[2], src[0]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[3], src[3]); \ -} while (0) - -#define MACH64_SPEC( dst, src ) \ -do { \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[0], src[2]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[1], src[1]); \ - UNCLAMPED_FLOAT_TO_UBYTE(dst[2], src[0]); \ -} while (0) - -#define VERT_SET_RGBA( v, c ) MACH64_COLOR( v->ub4[coloroffset], c ) -#define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset] -#define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset] -#define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx] - -#define VERT_SET_SPEC( v, c ) if (havespec) MACH64_SPEC( v->ub4[5], c ) -#define VERT_COPY_SPEC( v0, v1 ) if (havespec) COPY_3V(v0->ub4[5], v1->ub4[5]) -#define VERT_SAVE_SPEC( idx ) if (havespec) spec[idx] = v[idx]->ui[5] -#define VERT_RESTORE_SPEC( idx ) if (havespec) v[idx]->ui[5] = spec[idx] - -#define LOCAL_VARS(n) \ - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); \ - GLuint color[n], spec[n]; \ - GLuint coloroffset = (mmesa->vertex_size == 4 ? 3 : 4); \ - GLboolean havespec = (mmesa->vertex_size == 4 ? 0 : 1); \ - (void) color; (void) spec; (void) coloroffset; (void) havespec; - -#endif - -/*********************************************************************** - * Helpers for rendering unfilled primitives * - ***********************************************************************/ - -#define RASTERIZE(x) if (mmesa->hw_primitive != hw_prim[x]) \ - mach64RasterPrimitive( ctx, hw_prim[x] ) -#define RENDER_PRIMITIVE mmesa->render_primitive -#define IND MACH64_FALLBACK_BIT -#define TAG(x) x -#include "tnl_dd/t_dd_unfilled.h" -#undef IND - - -/*********************************************************************** - * Generate GL render functions * - ***********************************************************************/ - - -#define IND (0) -#define TAG(x) x -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_OFFSET_BIT) -#define TAG(x) x##_offset -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT) -#define TAG(x) x##_twoside -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT|MACH64_OFFSET_BIT) -#define TAG(x) x##_twoside_offset -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_UNFILLED_BIT) -#define TAG(x) x##_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_OFFSET_BIT|MACH64_UNFILLED_BIT) -#define TAG(x) x##_offset_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT|MACH64_UNFILLED_BIT) -#define TAG(x) x##_twoside_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT|MACH64_OFFSET_BIT|MACH64_UNFILLED_BIT) -#define TAG(x) x##_twoside_offset_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_FALLBACK_BIT) -#define TAG(x) x##_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_OFFSET_BIT|MACH64_FALLBACK_BIT) -#define TAG(x) x##_offset_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT|MACH64_FALLBACK_BIT) -#define TAG(x) x##_twoside_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT|MACH64_OFFSET_BIT|MACH64_FALLBACK_BIT) -#define TAG(x) x##_twoside_offset_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_UNFILLED_BIT|MACH64_FALLBACK_BIT) -#define TAG(x) x##_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_OFFSET_BIT|MACH64_UNFILLED_BIT|MACH64_FALLBACK_BIT) -#define TAG(x) x##_offset_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT|MACH64_UNFILLED_BIT|MACH64_FALLBACK_BIT) -#define TAG(x) x##_twoside_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (MACH64_TWOSIDE_BIT|MACH64_OFFSET_BIT|MACH64_UNFILLED_BIT| \ - MACH64_FALLBACK_BIT) -#define TAG(x) x##_twoside_offset_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - - -static void init_rast_tab( void ) -{ - init(); - init_offset(); - init_twoside(); - init_twoside_offset(); - init_unfilled(); - init_offset_unfilled(); - init_twoside_unfilled(); - init_twoside_offset_unfilled(); - init_fallback(); - init_offset_fallback(); - init_twoside_fallback(); - init_twoside_offset_fallback(); - init_unfilled_fallback(); - init_offset_unfilled_fallback(); - init_twoside_unfilled_fallback(); - init_twoside_offset_unfilled_fallback(); -} - - -/*********************************************************************** - * Rasterization fallback helpers * - ***********************************************************************/ - - -/* This code is hit only when a mix of accelerated and unaccelerated - * primitives are being drawn, and only for the unaccelerated - * primitives. - */ -static void -mach64_fallback_tri( mach64ContextPtr mmesa, - mach64Vertex *v0, - mach64Vertex *v1, - mach64Vertex *v2 ) -{ - GLcontext *ctx = mmesa->glCtx; - SWvertex v[3]; - mach64_translate_vertex( ctx, v0, &v[0] ); - mach64_translate_vertex( ctx, v1, &v[1] ); - mach64_translate_vertex( ctx, v2, &v[2] ); - _swrast_Triangle( ctx, &v[0], &v[1], &v[2] ); -} - - -static void -mach64_fallback_line( mach64ContextPtr mmesa, - mach64Vertex *v0, - mach64Vertex *v1 ) -{ - GLcontext *ctx = mmesa->glCtx; - SWvertex v[2]; - mach64_translate_vertex( ctx, v0, &v[0] ); - mach64_translate_vertex( ctx, v1, &v[1] ); - _swrast_Line( ctx, &v[0], &v[1] ); -} - - -static void -mach64_fallback_point( mach64ContextPtr mmesa, - mach64Vertex *v0 ) -{ - GLcontext *ctx = mmesa->glCtx; - SWvertex v[1]; - mach64_translate_vertex( ctx, v0, &v[0] ); - _swrast_Point( ctx, &v[0] ); -} - - - -/**********************************************************************/ -/* Render unclipped begin/end objects */ -/**********************************************************************/ - -#define VERT(x) (mach64Vertex *)(mach64verts + ((x) * vertsize * sizeof(int))) -#define RENDER_POINTS( start, count ) \ - for ( ; start < count ; start++) \ - mach64_draw_point( mmesa, VERT(start) ) -#define RENDER_LINE( v0, v1 ) \ - mach64_draw_line( mmesa, VERT(v0), VERT(v1) ) -#define RENDER_TRI( v0, v1, v2 ) \ - mach64_draw_triangle( mmesa, VERT(v0), VERT(v1), VERT(v2) ) -#define RENDER_QUAD( v0, v1, v2, v3 ) \ - mach64_draw_quad( mmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) ) -#define INIT(x) do { \ - if (0) fprintf(stderr, "%s\n", __FUNCTION__); \ - mach64RenderPrimitive( ctx, x ); \ -} while (0) -#undef LOCAL_VARS -#define LOCAL_VARS \ - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); \ - const GLuint vertsize = mmesa->vertex_size; \ - const char *mach64verts = (char *)mmesa->verts; \ - const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \ - (void) elt; -#define RESET_STIPPLE -#define RESET_OCCLUSION -#define PRESERVE_VB_DEFS -#define ELT(x) (x) -#define TAG(x) mach64_##x##_verts -#include "tnl/t_vb_rendertmp.h" -#undef ELT -#undef TAG -#define TAG(x) mach64_##x##_elts -#define ELT(x) elt[x] -#include "tnl/t_vb_rendertmp.h" - - -/**********************************************************************/ -/* Render clipped primitives */ -/**********************************************************************/ - -static void mach64RenderClippedPoly( GLcontext *ctx, const GLuint *elts, - GLuint n ) -{ - mach64ContextPtr mmesa = MACH64_CONTEXT( ctx ); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLuint prim = mmesa->render_primitive; - - /* Render the new vertices as an unclipped polygon. - */ - { - GLuint *tmp = VB->Elts; - VB->Elts = (GLuint *)elts; - tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END ); - VB->Elts = tmp; - } - - /* Restore the render primitive - */ - if (prim != GL_POLYGON) - tnl->Driver.Render.PrimitiveNotify( ctx, prim ); - -} - -static void mach64RenderClippedLine( GLcontext *ctx, GLuint ii, GLuint jj ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - tnl->Driver.Render.Line( ctx, ii, jj ); -} - -#if MACH64_NATIVE_VTXFMT -static void mach64FastRenderClippedPoly( GLcontext *ctx, const GLuint *elts, - GLuint n ) -{ - mach64ContextPtr mmesa = MACH64_CONTEXT( ctx ); - const GLuint vertsize = mmesa->vertex_size; - GLint a; - GLfloat ooa; - GLuint xy; - const GLuint xyoffset = 9; - GLint xx[3], yy[3]; /* 2 fractional bits for hardware */ - unsigned vbsiz = (vertsize + (vertsize > 7 ? 2 : 1)) * n + (n-2); - CARD32 *vb, *vbchk; - GLubyte *mach64verts = (GLubyte *)mmesa->verts; - mach64VertexPtr v0, v1, v2; - int i; - - v0 = (mach64VertexPtr)VERT(elts[1]); - v1 = (mach64VertexPtr)VERT(elts[2]); - v2 = (mach64VertexPtr)VERT(elts[0]); - - xy = LE32_IN( &v0->ui[xyoffset] ); - xx[0] = (GLshort)( xy >> 16 ); - yy[0] = (GLshort)( xy & 0xffff ); - - xy = LE32_IN( &v1->ui[xyoffset] ); - xx[1] = (GLshort)( xy >> 16 ); - yy[1] = (GLshort)( xy & 0xffff ); - - xy = LE32_IN( &v2->ui[xyoffset] ); - xx[2] = (GLshort)( xy >> 16 ); - yy[2] = (GLshort)( xy & 0xffff ); - - a = (xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2]); - - if ( (mmesa->backface_sign && - ((a < 0 && !signbit( mmesa->backface_sign )) || - (a > 0 && signbit( mmesa->backface_sign )))) ) { - /* cull polygon */ - if ( MACH64_DEBUG & DEBUG_VERBOSE_PRIMS ) - fprintf(stderr,"Polygon culled\n"); - return; - } - - ooa = 16.0 / a; - - vb = (CARD32 *)mach64AllocDmaLow( mmesa, vbsiz * sizeof(CARD32) ); - vbchk = vb + vbsiz; - - COPY_VERTEX( vb, vertsize, v0, 1 ); - COPY_VERTEX( vb, vertsize, v1, 2 ); - COPY_VERTEX_OOA( vb, vertsize, v2, 3 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - i = 3; - while (1) { - if (i >= n) - break; - v0 = (mach64VertexPtr)VERT(elts[i]); - i++; - - xy = LE32_IN( &v0->ui[xyoffset] ); - xx[0] = (GLshort)( xy >> 16 ); - yy[0] = (GLshort)( xy & 0xffff ); - - a = (xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2]); - ooa = 16.0 / a; - - COPY_VERTEX_OOA( vb, vertsize, v0, 1 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - - if (i >= n) - break; - v1 = (mach64VertexPtr)VERT(elts[i]); - i++; - - xy = LE32_IN( &v1->ui[xyoffset] ); - xx[1] = (GLshort)( xy >> 16 ); - yy[1] = (GLshort)( xy & 0xffff ); - - a = (xx[0] - xx[2]) * (yy[1] - yy[2]) - - (yy[0] - yy[2]) * (xx[1] - xx[2]); - ooa = 16.0 / a; - - COPY_VERTEX_OOA( vb, vertsize, v1, 2 ); - LE32_OUT( vb++, *(CARD32 *)&ooa ); - } - - assert( vb == vbchk ); -} -#else -static void mach64FastRenderClippedPoly( GLcontext *ctx, const GLuint *elts, - GLuint n ) -{ - mach64ContextPtr mmesa = MACH64_CONTEXT( ctx ); - const GLuint vertsize = mmesa->vertex_size; - GLubyte *mach64verts = (GLubyte *)mmesa->verts; - const GLuint *start = (const GLuint *)VERT(elts[0]); - int i; - - for (i = 2 ; i < n ; i++) { - mach64_draw_triangle( mmesa, - VERT(elts[i-1]), - VERT(elts[i]), - (mach64VertexPtr) start - ); - } -} -#endif /* MACH64_NATIVE_VTXFMT */ - -/**********************************************************************/ -/* Choose render functions */ -/**********************************************************************/ - -#define _MACH64_NEW_RENDER_STATE (_DD_NEW_POINT_SMOOTH | \ - _DD_NEW_LINE_SMOOTH | \ - _DD_NEW_LINE_STIPPLE | \ - _DD_NEW_TRI_SMOOTH | \ - _DD_NEW_TRI_STIPPLE | \ - _NEW_POLYGONSTIPPLE | \ - _DD_NEW_TRI_UNFILLED | \ - _DD_NEW_TRI_LIGHT_TWOSIDE | \ - _DD_NEW_TRI_OFFSET) \ - -#define POINT_FALLBACK (DD_POINT_SMOOTH) -#define LINE_FALLBACK (DD_LINE_SMOOTH|DD_LINE_STIPPLE) -#define TRI_FALLBACK (DD_TRI_SMOOTH|DD_TRI_STIPPLE) -#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK) -#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED) - - -static void mach64ChooseRenderState(GLcontext *ctx) -{ - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); - GLuint flags = ctx->_TriangleCaps; - GLuint index = 0; - - if (flags & (ANY_RASTER_FLAGS|ANY_FALLBACK_FLAGS)) { - mmesa->draw_point = mach64_draw_point; - mmesa->draw_line = mach64_draw_line; - mmesa->draw_tri = mach64_draw_triangle; - - if (flags & ANY_RASTER_FLAGS) { - if (flags & DD_TRI_LIGHT_TWOSIDE) index |= MACH64_TWOSIDE_BIT; - if (flags & DD_TRI_OFFSET) index |= MACH64_OFFSET_BIT; - if (flags & DD_TRI_UNFILLED) index |= MACH64_UNFILLED_BIT; - } - - /* Hook in fallbacks for specific primitives. - */ - if (flags & (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)) { - if (flags & POINT_FALLBACK) mmesa->draw_point = mach64_fallback_point; - if (flags & LINE_FALLBACK) mmesa->draw_line = mach64_fallback_line; - if (flags & TRI_FALLBACK) mmesa->draw_tri = mach64_fallback_tri; - index |= MACH64_FALLBACK_BIT; - } - } - - if (index != mmesa->RenderIndex) { - TNLcontext *tnl = TNL_CONTEXT(ctx); - tnl->Driver.Render.Points = rast_tab[index].points; - tnl->Driver.Render.Line = rast_tab[index].line; - tnl->Driver.Render.Triangle = rast_tab[index].triangle; - tnl->Driver.Render.Quad = rast_tab[index].quad; - - if (index == 0) { - tnl->Driver.Render.PrimTabVerts = mach64_render_tab_verts; - tnl->Driver.Render.PrimTabElts = mach64_render_tab_elts; - tnl->Driver.Render.ClippedLine = rast_tab[index].line; - tnl->Driver.Render.ClippedPolygon = mach64FastRenderClippedPoly; - } else { - tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; - tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; - tnl->Driver.Render.ClippedLine = mach64RenderClippedLine; - tnl->Driver.Render.ClippedPolygon = mach64RenderClippedPoly; - } - - mmesa->RenderIndex = index; - } -} - -/**********************************************************************/ -/* Validate state at pipeline start */ -/**********************************************************************/ - -static void mach64RunPipeline( GLcontext *ctx ) -{ - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); - - if (mmesa->new_state) - mach64DDUpdateHWState( ctx ); - - if (!mmesa->Fallback && mmesa->NewGLState) { - if (mmesa->NewGLState & _MACH64_NEW_VERTEX_STATE) - mach64ChooseVertexState( ctx ); - - if (mmesa->NewGLState & _MACH64_NEW_RENDER_STATE) - mach64ChooseRenderState( ctx ); - - mmesa->NewGLState = 0; - } - - _tnl_run_pipeline( ctx ); -} - -/**********************************************************************/ -/* High level hooks for t_vb_render.c */ -/**********************************************************************/ - -/* This is called when Mesa switches between rendering triangle - * primitives (such as GL_POLYGON, GL_QUADS, GL_TRIANGLE_STRIP, etc), - * and lines, points and bitmaps. - */ - -static void mach64RasterPrimitive( GLcontext *ctx, GLuint hwprim ) -{ - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); - - mmesa->new_state |= MACH64_NEW_CONTEXT; - mmesa->dirty |= MACH64_UPLOAD_CONTEXT; - - if (mmesa->hw_primitive != hwprim) { - FLUSH_BATCH( mmesa ); - mmesa->hw_primitive = hwprim; - } -} - -static void mach64RenderPrimitive( GLcontext *ctx, GLenum prim ) -{ - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); - GLuint hw = hw_prim[prim]; - - mmesa->render_primitive = prim; - - if (prim >= GL_TRIANGLES && (ctx->_TriangleCaps & DD_TRI_UNFILLED)) - return; - - mach64RasterPrimitive( ctx, hw ); -} - - -static void mach64RenderStart( GLcontext *ctx ) -{ - /* Check for projective texturing. Make sure all texcoord - * pointers point to something. (fix in mesa?) - */ - mach64CheckTexSizes( ctx ); -} - -static void mach64RenderFinish( GLcontext *ctx ) -{ - if (MACH64_CONTEXT(ctx)->RenderIndex & MACH64_FALLBACK_BIT) - _swrast_flush( ctx ); -} - - -/**********************************************************************/ -/* Transition to/from hardware rasterization. */ -/**********************************************************************/ - -static const char * const fallbackStrings[] = { - "Texture mode", - "glDrawBuffer(GL_FRONT_AND_BACK)", - "glReadBuffer", - "glEnable(GL_STENCIL) without hw stencil buffer", - "glRenderMode(selection or feedback)", - "glLogicOp (mode != GL_COPY)", - "GL_SEPARATE_SPECULAR_COLOR", - "glBlendEquation (mode != ADD)", - "glBlendFunc", - "Rasterization disable", -}; - - -static const char *getFallbackString(GLuint bit) -{ - int i = 0; - while (bit > 1) { - i++; - bit >>= 1; - } - return fallbackStrings[i]; -} - -void mach64Fallback( GLcontext *ctx, GLuint bit, GLboolean mode ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - mach64ContextPtr mmesa = MACH64_CONTEXT(ctx); - GLuint oldfallback = mmesa->Fallback; - - if (mode) { - mmesa->Fallback |= bit; - if (oldfallback == 0) { - FLUSH_BATCH( mmesa ); - _swsetup_Wakeup( ctx ); - mmesa->RenderIndex = ~0; - if (MACH64_DEBUG & DEBUG_VERBOSE_FALLBACK) { - fprintf(stderr, "Mach64 begin rasterization fallback: 0x%x %s\n", - bit, getFallbackString(bit)); - } - } - } - else { - mmesa->Fallback &= ~bit; - if (oldfallback == bit) { - _swrast_flush( ctx ); - tnl->Driver.Render.Start = mach64RenderStart; - tnl->Driver.Render.PrimitiveNotify = mach64RenderPrimitive; - tnl->Driver.Render.Finish = mach64RenderFinish; - tnl->Driver.Render.BuildVertices = mach64BuildVertices; - mmesa->NewGLState |= (_MACH64_NEW_RENDER_STATE| - _MACH64_NEW_VERTEX_STATE); - if (MACH64_DEBUG & DEBUG_VERBOSE_FALLBACK) { - fprintf(stderr, "Mach64 end rasterization fallback: 0x%x %s\n", - bit, getFallbackString(bit)); - } - } - } -} - -/**********************************************************************/ -/* Initialization. */ -/**********************************************************************/ - -void mach64InitTriFuncs( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - static int firsttime = 1; - - if (firsttime) { - init_rast_tab(); - firsttime = 0; - } - - tnl->Driver.RunPipeline = mach64RunPipeline; - tnl->Driver.Render.Start = mach64RenderStart; - tnl->Driver.Render.Finish = mach64RenderFinish; - tnl->Driver.Render.PrimitiveNotify = mach64RenderPrimitive; - tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple; - tnl->Driver.Render.BuildVertices = mach64BuildVertices; -} |