From cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 26 Dec 2000 05:09:27 +0000 Subject: Major rework of tnl module New array_cache module Support 8 texture units in core mesa (now support 8 everywhere) Rework core mesa statechange operations to avoid flushing on many noop statechanges. --- src/mesa/tnl/t_array_api.c | 355 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 355 insertions(+) create mode 100644 src/mesa/tnl/t_array_api.c (limited to 'src/mesa/tnl/t_array_api.c') diff --git a/src/mesa/tnl/t_array_api.c b/src/mesa/tnl/t_array_api.c new file mode 100644 index 0000000000..83d10337be --- /dev/null +++ b/src/mesa/tnl/t_array_api.c @@ -0,0 +1,355 @@ +/* $Id: t_array_api.c,v 1.1 2000/12/26 05:09:32 keithw Exp $ */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2000 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 + */ + +#include "glheader.h" +#include "api_validate.h" +#include "context.h" +#include "macros.h" +#include "mmath.h" +#include "mem.h" +#include "state.h" +#include "mtypes.h" + +#include "array_cache/acache.h" + +#include "t_array_api.h" +#include "t_array_import.h" +#include "t_imm_api.h" +#include "t_imm_exec.h" +#include "t_context.h" +#include "t_pipeline.h" + + + + + +void +_tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) +{ + GET_CURRENT_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + + /* Check arguments, etc. + */ + if (!_mesa_validate_DrawArrays( ctx, mode, start, count )) + return; + + if (tnl->pipeline.build_state_changes) + _tnl_validate_pipeline( ctx ); + + if (!ctx->CompileFlag && count - start < ctx->Const.MaxArrayLockSize) { + FLUSH_CURRENT( ctx, 0 ); + + if (ctx->Array.LockCount) + { + if (start < ctx->Array.LockFirst) start = ctx->Array.LockFirst; + if (count > ctx->Array.LockCount) count = ctx->Array.LockCount; + if (start >= count) return; + + /* Locked drawarrays. Reuse any previously transformed data. + */ + _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; + _tnl_run_pipeline( ctx ); + } else { + /* The arrays are small enough to fit in a single VB; just bind + * them and go. Any untransformed data will be copied on + * clipping. + * + * Invalidate any locked data dependent on these arrays. + */ + _tnl_vb_bind_arrays( ctx, start, count ); + VB->FirstPrimitive = 0; + VB->Primitive[0] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST; + VB->PrimitiveLength[0] = count - start; + tnl->pipeline.run_input_changes |= ctx->Array._Enabled; + _tnl_run_pipeline( ctx ); + tnl->pipeline.run_input_changes |= ctx->Array._Enabled; + } + } + else { + /* Need to produce immediate structs, either for compiling or + * because the array range is too large to process in a single + * VB. In GL_EXECUTE mode, this introduces two redundant + * operations: producing the flag array and computing the orflag + * of the flag array. + */ +#if 0 + if (_tnl_hard_begin( ctx, mode )) { + GLuint j; + for (j = 0 ; j < count ; ) { + struct immediate *IM = TNL_CURRENT_IM(ctx); + GLuint nr = MIN2( IMM_MAXDATA - IM->Start, count - j ); + GLuint sf = IM->Flag[IM->Start]; + + _tnl_fill_immediate_drawarrays( ctx, IM, j, j+nr ); + + if (j == 0) IM->Flag[IM->Start] |= sf; + + IM->Count = IM->Start + nr; + j += nr; + + if (j == count) + _tnl_end( ctx ); + + _tnl_flush_immediate( IM ); + } + } +#else + /* Simple alternative to above code. + */ +/* if (_tnl_hard_begin( ctx, mode )) */ + _tnl_begin(ctx,mode); + { + GLuint i; + for (i=start;ivb.FirstPrimitive = 0; + tnl->vb.Primitive[0] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST; + tnl->vb.PrimitiveLength[0] = count; + tnl->vb.Elts = (GLuint *)indices; + + if (ctx->Array.LockCount) + _tnl_run_pipeline( ctx ); + else { + /* Note that arrays may have changed before/after execution. + */ + tnl->pipeline.run_input_changes |= ctx->Array._Enabled; + _tnl_run_pipeline( ctx ); + tnl->pipeline.run_input_changes |= ctx->Array._Enabled; + } +} + + + + +static void _tnl_draw_elements( GLcontext *ctx, GLenum mode, GLsizei count, + const GLuint *indices) +{ +#if 1 + /* Optimized code that fakes the effect of calling + * _tnl_array_element for each index in the list. + */ + if (_tnl_hard_begin( ctx, mode )) { + GLuint i,j; + for (j = 0 ; j < count ; ) { + struct immediate *IM = TNL_CURRENT_IM(ctx); + GLuint start = IM->Start; + GLuint nr = MIN2( IMM_MAXDATA - start, count - j ) + start; + GLuint sf = IM->Flag[start]; + IM->FlushElt |= 1; + + for (i = start ; i < nr ; i++) { + IM->Elt[i] = (GLuint) *indices++; + IM->Flag[i] = VERT_ELT; + } + + if (j == 0) IM->Flag[start] |= sf; + + IM->Count = nr; + j += nr - start; + + if (j == count) + _tnl_end( ctx ); + + _tnl_flush_immediate( IM ); + } + } +#else + /* Simple version of the above code. + */ + if (_tnl_hard_begin(ctx, mode)) { + GLuint i; + for (i = 0 ; i < count ; i++) + _tnl_array_element( ctx, indices[i] ); + _tnl_end( ctx ); + } +#endif +} + + +void +_tnl_DrawRangeElements(GLenum mode, + GLuint start, GLuint end, + GLsizei count, GLenum type, const GLvoid *indices) +{ + GET_CURRENT_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLuint *ui_indices; + + /* Check arguments, etc. + */ + if (!_mesa_validate_DrawRangeElements( ctx, mode, start, end, count, + type, indices )) + return; + + if (tnl->pipeline.build_state_changes) + _tnl_validate_pipeline( ctx ); + + ui_indices = (GLuint *)_ac_import_elements( ctx, GL_UNSIGNED_INT, + count, type, indices ); + + + if (ctx->Array.LockCount) { + /* Are the arrays already locked? If so we currently have to look + * at the whole locked range. + */ + if (start >= ctx->Array.LockFirst && end <= ctx->Array.LockCount) + _tnl_draw_range_elements( ctx, mode, + ctx->Array.LockFirst, + ctx->Array.LockCount, + count, ui_indices ); + else { + /* The spec says referencing elements outside the locked + * range is undefined. I'm going to make it a noop this time + * round, maybe come up with something beter before 3.6. + * + * May be able to get away with just setting LockCount==0, + * though this raises the problems of dependent state. May + * have to call glUnlockArrays() directly? + */ + gl_problem( ctx, + "DrawRangeElements references " + "elements outside locked range."); + } + } + else if (end - start < ctx->Const.MaxArrayLockSize) { + /* The arrays aren't locked but we can still fit them inside a single + * vertexbuffer. + */ + _tnl_draw_range_elements( ctx, mode, start, end, count, ui_indices ); + } else { + /* Range is too big to optimize: + */ + _tnl_draw_elements( ctx, mode, count, ui_indices ); + } +} + + + +void +_tnl_DrawElements(GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices) +{ + GET_CURRENT_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLuint *ui_indices; + + /* Check arguments, etc. + */ + if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices )) + return; + + if (tnl->pipeline.build_state_changes) + _tnl_validate_pipeline( ctx ); + + ui_indices = (GLuint *)_ac_import_elements( ctx, GL_UNSIGNED_INT, + count, type, indices ); + + if (ctx->Array.LockCount) { + _tnl_draw_range_elements( ctx, mode, + ctx->Array.LockFirst, + ctx->Array.LockCount, + count, ui_indices ); + } + else { + /* Scan the index list and see if we can use the locked path anyway. + */ + GLuint max_elt = 0; + GLuint i; + + for (i = 0 ; i < count ; i++) + if (ui_indices[i] > max_elt) max_elt = ui_indices[i]; + + if (max_elt < ctx->Const.MaxArrayLockSize && /* can we use it? */ + max_elt < count) /* do we want to use it? */ + _tnl_draw_range_elements( ctx, mode, 0, max_elt, count, ui_indices ); + else + _tnl_draw_elements( ctx, mode, count, ui_indices ); + } +} + + +void _tnl_array_init( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_arrays *tmp = &tnl->array_inputs; + GLvertexformat *vfmt = &(TNL_CONTEXT(ctx)->vtxfmt); + GLuint i; + + vfmt->DrawArrays = _tnl_DrawArrays; + vfmt->DrawElements = _tnl_DrawElements; + vfmt->DrawRangeElements = _tnl_DrawRangeElements; + + /* Setup vector pointers that will be used to bind arrays to VB's. + */ + gl_vector4f_init( &tmp->Obj, 0, 0 ); + gl_vector3f_init( &tmp->Normal, 0, 0 ); + gl_vector4ub_init( &tmp->Color, 0, 0 ); + gl_vector4ub_init( &tmp->SecondaryColor, 0, 0 ); + gl_vector1f_init( &tmp->FogCoord, 0, 0 ); + gl_vector1ui_init( &tmp->Index, 0, 0 ); + gl_vector1ub_init( &tmp->EdgeFlag, 0, 0 ); + + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) + gl_vector4f_init( &tmp->TexCoord[i], 0, 0); + + tnl->tmp_primitive = (GLuint *)MALLOC(sizeof(GLuint)*tnl->vb.Size); + tnl->tmp_primitive_length = (GLuint *)MALLOC(sizeof(GLuint)*tnl->vb.Size); +} + + +void _tnl_array_destroy( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + if (tnl->tmp_primitive_length) FREE(tnl->tmp_primitive_length); + if (tnl->tmp_primitive) FREE(tnl->tmp_primitive); +} -- cgit v1.2.3