diff options
Diffstat (limited to 'src/mesa/tnl/t_array_api.c')
| -rw-r--r-- | src/mesa/tnl/t_array_api.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/src/mesa/tnl/t_array_api.c b/src/mesa/tnl/t_array_api.c index cbca11e36e7..b5a275fb22e 100644 --- a/src/mesa/tnl/t_array_api.c +++ b/src/mesa/tnl/t_array_api.c @@ -1,4 +1,4 @@ -/* $Id: t_array_api.c,v 1.16 2001/08/02 19:58:07 keithw Exp $ */ +/* $Id: t_array_api.c,v 1.17 2001/08/02 21:30:10 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -56,7 +56,9 @@ static void fallback_drawarrays( GLcontext *ctx, GLenum mode, GLint start, * operations: producing the flag array and computing the orflag * of the flag array. */ -#if 1 +#if 0 + /* Buggy - see sgl testGeoSets.exe polygon mode + */ if (_tnl_hard_begin( ctx, mode )) { GLint i; for (i = 0 ; i < count ; ) { @@ -95,9 +97,11 @@ static void fallback_drawelements( GLcontext *ctx, GLenum mode, GLsizei count, { /* fprintf(stderr, "%s\n", __FUNCTION__); */ -#if 1 +#if 0 /* Optimized code that fakes the effect of calling * _tnl_array_element for each index in the list. + * + * Possibly buggy, see above. */ if (_tnl_hard_begin( ctx, mode )) { GLint i, j; @@ -172,7 +176,7 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) TNLcontext *tnl = TNL_CONTEXT(ctx); struct vertex_buffer *VB = &tnl->vb; -/* fprintf(stderr, "%s\n", __FUNCTION__); */ +/* fprintf(stderr, "%s %d %d\n", __FUNCTION__, start, count); */ /* Check arguments, etc. */ @@ -183,9 +187,9 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) _tnl_validate_pipeline( ctx ); if (ctx->CompileFlag) { - fallback_drawarrays( ctx, mode, start, count ); + fallback_drawarrays( ctx, mode, start, start + count ); } - else if (count - start < (GLint) ctx->Const.MaxArrayLockSize) { + else if (count < (GLint) ctx->Const.MaxArrayLockSize) { /* Small primitives which can fit in a single vertex buffer: */ @@ -195,8 +199,8 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) { if (start < (GLint) ctx->Array.LockFirst) start = ctx->Array.LockFirst; - if (count > (GLint) ctx->Array.LockCount) - count = ctx->Array.LockCount; + if (start + count > (GLint) ctx->Array.LockCount) + count = ctx->Array.LockCount - start; if (start >= count) return; @@ -205,7 +209,7 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) _tnl_vb_bind_arrays( ctx, ctx->Array.LockFirst, ctx->Array.LockCount ); VB->FirstPrimitive = start; VB->Primitive[start] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST; - VB->PrimitiveLength[start] = count - start; + VB->PrimitiveLength[start] = count; tnl->Driver.RunPipeline( ctx ); } else { /* The arrays are small enough to fit in a single VB; just bind @@ -214,10 +218,10 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) * * Invalidate any cached data dependent on these arrays. */ - _tnl_vb_bind_arrays( ctx, start, count ); + _tnl_vb_bind_arrays( ctx, start, start + count ); VB->FirstPrimitive = 0; VB->Primitive[0] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST; - VB->PrimitiveLength[0] = count - start; + VB->PrimitiveLength[0] = count; tnl->pipeline.run_input_changes |= ctx->Array._Enabled; tnl->Driver.RunPipeline( ctx ); tnl->pipeline.run_input_changes |= ctx->Array._Enabled; @@ -272,7 +276,7 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) /* Primitives requiring a copied vertex (fan-like primitives) * must use the slow path: */ - fallback_drawarrays( ctx, mode, start, count ); + fallback_drawarrays( ctx, mode, start, start + count ); return; } @@ -284,6 +288,7 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) bufsz -= bufsz % modulo; bufsz -= minimum; + count += start; for (j = start + minimum ; j < count ; j += nr + skip ) { @@ -312,6 +317,8 @@ _tnl_DrawRangeElements(GLenum mode, GET_CURRENT_CONTEXT(ctx); TNLcontext *tnl = TNL_CONTEXT(ctx); GLuint *ui_indices; + +/* fprintf(stderr, "%s\n", __FUNCTION__); */ /* Check arguments, etc. */ |