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-rw-r--r--src/mesa/drivers/common/t_dd_dmatmp2.h935
1 files changed, 0 insertions, 935 deletions
diff --git a/src/mesa/drivers/common/t_dd_dmatmp2.h b/src/mesa/drivers/common/t_dd_dmatmp2.h
deleted file mode 100644
index dd0286b453..0000000000
--- a/src/mesa/drivers/common/t_dd_dmatmp2.h
+++ /dev/null
@@ -1,935 +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 if (HAVE_TRI_STRIP_1)
- EMIT_PRIM( ctx, GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_1, start, count );
- else {
- /* Emit the first triangle with elts, then the rest as a regular strip.
- * TODO: Make this unlikely in t_imm_api.c
- */
- ELT_TYPE *dest;
-
- ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
- dest = ALLOC_ELTS( 3 );
- EMIT_ELT( dest, 0, (start+1) );
- EMIT_ELT( dest, 1, (start+0) );
- EMIT_ELT( dest, 2, (start+2) );
- dest += 3;
- CLOSE_ELTS();
-
- start++;
- if (start + 2 >= count)
- return;
-
- 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, HW_QUADS, GL_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 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 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),
-};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 15:28:00 +0000