diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/tnl_dd/t_dd_dmatmp2.h')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/tnl_dd/t_dd_dmatmp2.h | 914 |
1 files changed, 0 insertions, 914 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/tnl_dd/t_dd_dmatmp2.h b/nx-X11/extras/Mesa/src/mesa/tnl_dd/t_dd_dmatmp2.h deleted file mode 100644 index b762221b1..000000000 --- a/nx-X11/extras/Mesa/src/mesa/tnl_dd/t_dd_dmatmp2.h +++ /dev/null @@ -1,914 +0,0 @@ - -/* - * Mesa 3-D graphics library - * Version: 4.0.3 - * - * Copyright (C) 1999-2002 Brian Paul 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 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 - * BRIAN PAUL 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: - * Keith Whitwell <keith@tungstengraphics.com> - */ - - -/* Template for render stages which build and emit vertices directly - * to fixed-size dma buffers. Useful for rendering strips and other - * native primitives where clipping and per-vertex tweaks such as - * those in t_dd_tritmp.h are not required. - * - */ - -#if !HAVE_TRIANGLES || !HAVE_POINTS || !HAVE_LINES -#error "must have points, lines & triangles to use render template" -#endif - -#if !HAVE_TRI_STRIPS || !HAVE_TRI_FANS -#error "must have tri strip and fans to use render template" -#endif - -#if !HAVE_LINE_STRIPS -#error "must have line strips to use render template" -#endif - -#if !HAVE_POLYGONS -#error "must have polygons to use render template" -#endif - -#if !HAVE_ELTS -#error "must have elts to use render template" -#endif - - -#ifndef EMIT_TWO_ELTS -#define EMIT_TWO_ELTS( dest, offset, elt0, elt1 ) \ -do { \ - (dest)[offset] = (elt0); \ - (dest)[offset+1] = (elt1); \ -} while (0) -#endif - - -/**********************************************************************/ -/* Render whole begin/end objects */ -/**********************************************************************/ - - -static ELT_TYPE *TAG(emit_elts)( GLcontext *ctx, - ELT_TYPE *dest, - GLuint *elts, GLuint nr ) -{ - GLint i; - LOCAL_VARS; - - for ( i = 0 ; i+1 < nr ; i+=2, elts += 2 ) { - EMIT_TWO_ELTS( dest, 0, elts[0], elts[1] ); - dest += 2; - } - if (i < nr) { - EMIT_ELT( dest, 0, elts[0] ); - dest += 1; - } - - return dest; -} - -static ELT_TYPE *TAG(emit_consecutive_elts)( GLcontext *ctx, - ELT_TYPE *dest, - GLuint start, GLuint nr ) -{ - GLint i; - LOCAL_VARS; - - for ( i = 0 ; i+1 < nr ; i+=2, start += 2 ) { - EMIT_TWO_ELTS( dest, 0, start, start+1 ); - dest += 2; - } - if (i < nr) { - EMIT_ELT( dest, 0, start ); - dest += 1; - } - - return dest; -} - -/*********************************************************************** - * Render non-indexed primitives. - ***********************************************************************/ - - - -static void TAG(render_points_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - if (start < count) { - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - EMIT_PRIM( ctx, GL_POINTS, HW_POINTS, start, count ); - } -} - -static void TAG(render_lines_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - count -= (count-start) & 1; - - if (start+1 >= count) - return; - - if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag) { - RESET_STIPPLE(); - AUTO_STIPPLE( GL_TRUE ); - } - - EMIT_PRIM( ctx, GL_LINES, HW_LINES, start, count ); - - if ((flags & PRIM_END) && ctx->Line.StippleFlag) - AUTO_STIPPLE( GL_FALSE ); -} - - -static void TAG(render_line_strip_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - if (start+1 >= count) - return; - - if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag) - RESET_STIPPLE(); - - - if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_LINES )) - { - int dmasz = GET_MAX_HW_ELTS(); - GLuint j, nr; - - ELT_INIT( GL_LINES, HW_LINES ); - - /* Emit whole number of lines in each full buffer. - */ - dmasz = dmasz/2; - - - for (j = start; j + 1 < count; j += nr - 1 ) { - ELT_TYPE *dest; - GLint i; - - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( (nr-1)*2 ); - - for ( i = j ; i+1 < j+nr ; i+=1 ) { - EMIT_TWO_ELTS( dest, 0, (i+0), (i+1) ); - dest += 2; - } - - CLOSE_ELTS(); - } - } - else - EMIT_PRIM( ctx, GL_LINE_STRIP, HW_LINE_STRIP, start, count ); -} - - -static void TAG(render_line_loop_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - GLuint j, nr; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - if (flags & PRIM_BEGIN) { - j = start; - if (ctx->Line.StippleFlag) - RESET_STIPPLE( ); - } - else - j = start + 1; - - if (flags & PRIM_END) { - - if (start+1 >= count) - return; - - if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_LINES )) { - int dmasz = GET_MAX_HW_ELTS(); - - ELT_INIT( GL_LINES, HW_LINES ); - - /* Emit whole number of lines in each full buffer. - */ - dmasz = dmasz/2; - - /* Ensure last vertex doesn't wrap: - */ - dmasz--; - - for (; j + 1 < count; ) { - GLint i; - ELT_TYPE *dest; - - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( nr*2 ); /* allocs room for 1 more line */ - - for ( i = 0 ; i < nr - 1 ; i+=1 ) { - EMIT_TWO_ELTS( dest, 0, (j+i), (j+i+1) ); - dest += 2; - } - - j += nr - 1; - - /* Emit 1 more line into space alloced above */ - if (j + 1 >= count) { - EMIT_TWO_ELTS( dest, 0, (j), (start) ); - dest += 2; - } - - CLOSE_ELTS(); - } - } - else - { - int dmasz = GET_MAX_HW_ELTS() - 1; - - ELT_INIT( GL_LINE_STRIP, HW_LINE_STRIP ); - - for ( ; j + 1 < count; ) { - nr = MIN2( dmasz, count - j ); - if (j + nr < count) { - ELT_TYPE *dest = ALLOC_ELTS( nr ); - dest = TAG(emit_consecutive_elts)( ctx, dest, j, nr ); - j += nr - 1; - CLOSE_ELTS(); - } - else if (nr) { - ELT_TYPE *dest = ALLOC_ELTS( nr + 1 ); - dest = TAG(emit_consecutive_elts)( ctx, dest, j, nr ); - dest = TAG(emit_consecutive_elts)( ctx, dest, start, 1 ); - j += nr; - CLOSE_ELTS(); - } - } - } - } else { - TAG(render_line_strip_verts)( ctx, j, count, flags ); - } -} - - -static void TAG(render_triangles_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - count -= (count-start)%3; - - if (start+2 >= count) { - return; - } - - /* need a PREFER_DISCRETE_ELT_PRIM here too.. - */ - EMIT_PRIM( ctx, GL_TRIANGLES, HW_TRIANGLES, start, count ); -} - - - -static void TAG(render_tri_strip_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - if (start + 2 >= count) - return; - - if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_TRIANGLES )) - { - int dmasz = GET_MAX_HW_ELTS(); - int parity = 0; - GLuint j, nr; - - ELT_INIT( GL_TRIANGLES, HW_TRIANGLES ); - - /* Emit even number of tris in each full buffer. - */ - dmasz = dmasz/3; - dmasz -= dmasz & 1; - - for (j = start; j + 2 < count; j += nr - 2 ) { - ELT_TYPE *dest; - GLint i; - - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( (nr-2)*3 ); - - for ( i = j ; i+2 < j+nr ; i++, parity^=1 ) { - EMIT_ELT( dest, 0, (i+0+parity) ); - EMIT_ELT( dest, 1, (i+1-parity) ); - EMIT_ELT( dest, 2, (i+2) ); - dest += 3; - } - - CLOSE_ELTS(); - } - } - else - EMIT_PRIM( ctx, GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0, start, count ); -} - -static void TAG(render_tri_fan_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - if (start+2 >= count) - return; - - if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_TRIANGLES )) - { - int dmasz = GET_MAX_HW_ELTS(); - GLuint j, nr; - - ELT_INIT( GL_TRIANGLES, HW_TRIANGLES ); - - dmasz = dmasz/3; - - for (j = start + 1; j + 1 < count; j += nr - 1 ) { - ELT_TYPE *dest; - GLint i; - - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( (nr-1)*3 ); - - for ( i = j ; i+1 < j+nr ; i++ ) { - EMIT_ELT( dest, 0, (start) ); - EMIT_ELT( dest, 1, (i) ); - EMIT_ELT( dest, 2, (i+1) ); - dest += 3; - } - - CLOSE_ELTS(); - } - } - else { - EMIT_PRIM( ctx, GL_TRIANGLE_FAN, HW_TRIANGLE_FAN, start, count ); - } -} - - -static void TAG(render_poly_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - if (start+2 >= count) - return; - - EMIT_PRIM( ctx, GL_POLYGON, HW_POLYGON, start, count ); -} - -static void TAG(render_quad_strip_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - count -= (count-start) & 1; - - if (start+3 >= count) - return; - - if (HAVE_QUAD_STRIPS) { - EMIT_PRIM( ctx, GL_QUAD_STRIP, HW_QUAD_STRIP, start, count ); - } - else if (ctx->_TriangleCaps & DD_FLATSHADE) { - LOCAL_VARS; - int dmasz = GET_MAX_HW_ELTS(); - GLuint j, nr; - - ELT_INIT( GL_TRIANGLES, HW_TRIANGLES ); - - /* Emit whole number of quads in total, and in each buffer. - */ - dmasz = (dmasz/6)*2; - - for (j = start; j + 3 < count; j += nr - 2 ) { - ELT_TYPE *dest; - GLint quads, i; - - nr = MIN2( dmasz, count - j ); - quads = (nr/2)-1; - dest = ALLOC_ELTS( quads*6 ); - - for ( i = j ; i < j+quads*2 ; i+=2 ) { - EMIT_TWO_ELTS( dest, 0, (i+0), (i+1) ); - EMIT_TWO_ELTS( dest, 2, (i+2), (i+1) ); - EMIT_TWO_ELTS( dest, 4, (i+3), (i+2) ); - dest += 6; - } - - CLOSE_ELTS(); - } - } - else { - EMIT_PRIM( ctx, GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0, start, count ); - } -} - - -static void TAG(render_quads_verts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - count -= (count-start)%4; - - if (start+3 >= count) - return; - - if (HAVE_QUADS) { - EMIT_PRIM( ctx, GL_QUADS, HW_QUADS, start, count ); - } - else { - /* Hardware doesn't have a quad primitive type -- simulate it - * using indexed vertices and the triangle primitive: - */ - LOCAL_VARS; - int dmasz = GET_MAX_HW_ELTS(); - GLuint j, nr; - - ELT_INIT( GL_TRIANGLES, HW_TRIANGLES ); - - /* Adjust for rendering as triangles: - */ - dmasz = (dmasz/6)*4; - - for (j = start; j < count; j += nr ) { - ELT_TYPE *dest; - GLint quads, i; - - nr = MIN2( dmasz, count - j ); - quads = nr/4; - dest = ALLOC_ELTS( quads*6 ); - - for ( i = j ; i < j+quads*4 ; i+=4 ) { - EMIT_TWO_ELTS( dest, 0, (i+0), (i+1) ); - EMIT_TWO_ELTS( dest, 2, (i+3), (i+1) ); - EMIT_TWO_ELTS( dest, 4, (i+2), (i+3) ); - dest += 6; - } - - CLOSE_ELTS(); - } - } -} - -static void TAG(render_noop)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ -} - - - - -static tnl_render_func TAG(render_tab_verts)[GL_POLYGON+2] = -{ - TAG(render_points_verts), - TAG(render_lines_verts), - TAG(render_line_loop_verts), - TAG(render_line_strip_verts), - TAG(render_triangles_verts), - TAG(render_tri_strip_verts), - TAG(render_tri_fan_verts), - TAG(render_quads_verts), - TAG(render_quad_strip_verts), - TAG(render_poly_verts), - TAG(render_noop), -}; - - -/**************************************************************************** - * Render elts using hardware indexed verts * - ****************************************************************************/ - -static void TAG(render_points_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - int dmasz = GET_MAX_HW_ELTS(); - GLuint *elts = GET_MESA_ELTS(); - GLuint j, nr; - ELT_TYPE *dest; - - ELT_INIT( GL_POINTS, HW_POINTS ); - - for (j = start; j < count; j += nr ) { - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr ); - CLOSE_ELTS(); - } -} - - - -static void TAG(render_lines_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - int dmasz = GET_MAX_HW_ELTS(); - GLuint *elts = GET_MESA_ELTS(); - GLuint j, nr; - ELT_TYPE *dest; - - if (start+1 >= count) - return; - - if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag) { - RESET_STIPPLE(); - AUTO_STIPPLE( GL_TRUE ); - } - - ELT_INIT( GL_LINES, HW_LINES ); - - /* Emit whole number of lines in total and in each buffer: - */ - count -= (count-start) & 1; - dmasz -= dmasz & 1; - - for (j = start; j < count; j += nr ) { - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr ); - CLOSE_ELTS(); - } - - if ((flags & PRIM_END) && ctx->Line.StippleFlag) - AUTO_STIPPLE( GL_FALSE ); -} - - -static void TAG(render_line_strip_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - int dmasz = GET_MAX_HW_ELTS(); - GLuint *elts = GET_MESA_ELTS(); - GLuint j, nr; - ELT_TYPE *dest; - - if (start+1 >= count) - return; - - ELT_INIT( GL_LINE_STRIP, HW_LINE_STRIP ); - - if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag) - RESET_STIPPLE(); - - for (j = start; j + 1 < count; j += nr - 1 ) { - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr ); - CLOSE_ELTS(); - } -} - - -static void TAG(render_line_loop_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - int dmasz = GET_MAX_HW_ELTS(); - GLuint *elts = GET_MESA_ELTS(); - GLuint j, nr; - ELT_TYPE *dest; - - if (0) fprintf(stderr, "%s\n", __FUNCTION__); - - if (flags & PRIM_BEGIN) - j = start; - else - j = start + 1; - - - if (flags & PRIM_END) { - if (start+1 >= count) - return; - } - else { - if (j+1 >= count) - return; - } - - ELT_INIT( GL_LINE_STRIP, HW_LINE_STRIP ); - - if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag) - RESET_STIPPLE(); - - - /* Ensure last vertex doesn't wrap: - */ - dmasz--; - - for ( ; j + 1 < count; ) { - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( nr+1 ); /* Reserve possible space for last elt */ - dest = TAG(emit_elts)( ctx, dest, elts+j, nr ); - j += nr - 1; - if (j + 1 >= count && (flags & PRIM_END)) { - dest = TAG(emit_elts)( ctx, dest, elts+start, 1 ); - } - CLOSE_ELTS(); - } -} - - -static void TAG(render_triangles_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - GLuint *elts = GET_MESA_ELTS(); - int dmasz = GET_MAX_HW_ELTS()/3*3; - GLuint j, nr; - ELT_TYPE *dest; - - if (start+2 >= count) - return; - - ELT_INIT( GL_TRIANGLES, HW_TRIANGLES ); - - - /* Emit whole number of tris in total. dmasz is already a multiple - * of 3. - */ - count -= (count-start)%3; - - for (j = start; j < count; j += nr) { - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr ); - CLOSE_ELTS(); - } -} - - - -static void TAG(render_tri_strip_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - GLuint j, nr; - GLuint *elts = GET_MESA_ELTS(); - int dmasz = GET_MAX_HW_ELTS(); - ELT_TYPE *dest; - - if (start+2 >= count) - return; - - ELT_INIT( GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0 ); - - /* Keep the same winding over multiple buffers: - */ - dmasz -= (dmasz & 1); - - for (j = start ; j + 2 < count; j += nr - 2 ) { - nr = MIN2( dmasz, count - j ); - - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr ); - CLOSE_ELTS(); - } -} - -static void TAG(render_tri_fan_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - GLuint *elts = GET_MESA_ELTS(); - GLuint j, nr; - int dmasz = GET_MAX_HW_ELTS(); - ELT_TYPE *dest; - - if (start+2 >= count) - return; - - ELT_INIT( GL_TRIANGLE_FAN, HW_TRIANGLE_FAN ); - - for (j = start + 1 ; j + 1 < count; j += nr - 1 ) { - nr = MIN2( dmasz, count - j + 1 ); - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+start, 1 ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr - 1 ); - CLOSE_ELTS(); - } -} - - -static void TAG(render_poly_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - GLuint *elts = GET_MESA_ELTS(); - GLuint j, nr; - int dmasz = GET_MAX_HW_ELTS(); - ELT_TYPE *dest; - - if (start+2 >= count) - return; - - ELT_INIT( GL_POLYGON, HW_POLYGON ); - - for (j = start + 1 ; j + 1 < count ; j += nr - 1 ) { - nr = MIN2( dmasz, count - j + 1 ); - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+start, 1 ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr - 1 ); - CLOSE_ELTS(); - } -} - -static void TAG(render_quad_strip_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - if (start+3 >= count) - return; - - if (HAVE_QUAD_STRIPS && 0) { - } - else { - LOCAL_VARS; - GLuint *elts = GET_MESA_ELTS(); - int dmasz = GET_MAX_HW_ELTS(); - GLuint j, nr; - ELT_TYPE *dest; - - /* Emit whole number of quads in total, and in each buffer. - */ - dmasz -= dmasz & 1; - count -= (count-start) & 1; - - if (ctx->_TriangleCaps & DD_FLATSHADE) { - ELT_INIT( GL_TRIANGLES, HW_TRIANGLES ); - - dmasz = dmasz/6*2; - - for (j = start; j + 3 < count; j += nr - 2 ) { - nr = MIN2( dmasz, count - j ); - - if (nr >= 4) - { - GLint quads = (nr/2)-1; - ELT_TYPE *dest = ALLOC_ELTS( quads*6 ); - GLint i; - - for ( i = j-start ; i < j-start+quads ; i++, elts += 2 ) { - EMIT_TWO_ELTS( dest, 0, elts[0], elts[1] ); - EMIT_TWO_ELTS( dest, 2, elts[2], elts[1] ); - EMIT_TWO_ELTS( dest, 4, elts[3], elts[2] ); - dest += 6; - } - - CLOSE_ELTS(); - } - } - } - else { - ELT_INIT( GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0 ); - - for (j = start; j + 3 < count; j += nr - 2 ) { - nr = MIN2( dmasz, count - j ); - dest = ALLOC_ELTS( nr ); - dest = TAG(emit_elts)( ctx, dest, elts+j, nr ); - CLOSE_ELTS(); - } - } - } -} - - -static void TAG(render_quads_elts)( GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - if (start+3 >= count) - return; - - if (HAVE_QUADS && 0) { - } else { - LOCAL_VARS; - GLuint *elts = GET_MESA_ELTS(); - int dmasz = GET_MAX_HW_ELTS(); - GLuint j, nr; - - ELT_INIT( GL_TRIANGLES, HW_TRIANGLES ); - - /* Emit whole number of quads in total, and in each buffer. - */ - dmasz -= dmasz & 3; - count -= (count-start) & 3; - - /* Adjust for rendering as triangles: - */ - dmasz = dmasz/6*4; - - for (j = start; j + 3 < count; j += nr ) { - nr = MIN2( dmasz, count - j ); - - { - GLint quads = nr/4; - ELT_TYPE *dest = ALLOC_ELTS( quads * 6 ); - GLint i; - - for ( i = j-start ; i < j-start+quads ; i++, elts += 4 ) { - EMIT_TWO_ELTS( dest, 0, elts[0], elts[1] ); - EMIT_TWO_ELTS( dest, 2, elts[3], elts[1] ); - EMIT_TWO_ELTS( dest, 4, elts[2], elts[3] ); - dest += 6; - } - - CLOSE_ELTS(); - } - } - } -} - - - -static tnl_render_func TAG(render_tab_elts)[GL_POLYGON+2] = -{ - TAG(render_points_elts), - TAG(render_lines_elts), - TAG(render_line_loop_elts), - TAG(render_line_strip_elts), - TAG(render_triangles_elts), - TAG(render_tri_strip_elts), - TAG(render_tri_fan_elts), - TAG(render_quads_elts), - TAG(render_quad_strip_elts), - TAG(render_poly_elts), - TAG(render_noop), -}; 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