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- /* $Id: t_array_import.c,v 1.27 2002/10/29 20:29:01 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 4.1
- *
- * 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>
- */
-
- #include "glheader.h"
- #include "context.h"
- #include "macros.h"
- #include "imports.h"
- #include "mmath.h"
- #include "state.h"
- #include "mtypes.h"
-
- #include "array_cache/acache.h"
- #include "math/m_translate.h"
-
- #include "t_array_import.h"
- #include "t_context.h"
- #include "t_imm_debug.h"
-
-
- static void _tnl_import_vertex( GLcontext *ctx,
- GLboolean writeable,
- GLboolean stride )
- {
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
-
- tmp = _ac_import_vertex(ctx,
- GL_FLOAT,
- stride ? 4*sizeof(GLfloat) : 0,
- 0,
- writeable,
- &is_writeable);
-
- inputs->Obj.data = (GLfloat (*)[4]) tmp->Ptr;
- inputs->Obj.start = (GLfloat *) tmp->Ptr;
- inputs->Obj.stride = tmp->StrideB;
- inputs->Obj.size = tmp->Size;
- inputs->Obj.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
- if (inputs->Obj.stride != 4*sizeof(GLfloat))
- inputs->Obj.flags |= VEC_BAD_STRIDE;
- if (!is_writeable)
- inputs->Obj.flags |= VEC_NOT_WRITEABLE;
- }
-
- static void _tnl_import_normal( GLcontext *ctx,
- GLboolean writeable,
- GLboolean stride )
- {
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
-
- tmp = _ac_import_normal(ctx, GL_FLOAT,
- stride ? 3*sizeof(GLfloat) : 0, writeable,
- &is_writeable);
-
- inputs->Normal.data = (GLfloat (*)[4]) tmp->Ptr;
- inputs->Normal.start = (GLfloat *) tmp->Ptr;
- inputs->Normal.stride = tmp->StrideB;
- inputs->Normal.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
- if (inputs->Normal.stride != 3*sizeof(GLfloat))
- inputs->Normal.flags |= VEC_BAD_STRIDE;
- if (!is_writeable)
- inputs->Normal.flags |= VEC_NOT_WRITEABLE;
- }
-
-
- static void _tnl_import_color( GLcontext *ctx,
- GLenum type,
- GLboolean writeable,
- GLboolean stride )
- {
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
-
- tmp = _ac_import_color(ctx,
- type,
- stride ? 4*sizeof(GLfloat) : 0,
- 4,
- writeable,
- &is_writeable);
-
- inputs->Color = *tmp;
- }
-
-
- static void _tnl_import_secondarycolor( GLcontext *ctx,
- GLenum type,
- GLboolean writeable,
- GLboolean stride )
- {
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
-
- tmp = _ac_import_secondarycolor(ctx,
- type,
- stride ? 4*sizeof(GLfloat) : 0,
- 4,
- writeable,
- &is_writeable);
-
- inputs->SecondaryColor = *tmp;
- }
-
- static void _tnl_import_fogcoord( GLcontext *ctx,
- GLboolean writeable,
- GLboolean stride )
- {
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
-
- tmp = _ac_import_fogcoord(ctx, GL_FLOAT,
- stride ? sizeof(GLfloat) : 0, writeable,
- &is_writeable);
-
- inputs->FogCoord.data = (GLfloat (*)[4]) tmp->Ptr;
- inputs->FogCoord.start = (GLfloat *) tmp->Ptr;
- inputs->FogCoord.stride = tmp->StrideB;
- inputs->FogCoord.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
- if (inputs->FogCoord.stride != sizeof(GLfloat))
- inputs->FogCoord.flags |= VEC_BAD_STRIDE;
- if (!is_writeable)
- inputs->FogCoord.flags |= VEC_NOT_WRITEABLE;
- }
-
- static void _tnl_import_index( GLcontext *ctx,
- GLboolean writeable,
- GLboolean stride )
- {
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
-
- tmp = _ac_import_index(ctx, GL_UNSIGNED_INT,
- stride ? sizeof(GLuint) : 0, writeable,
- &is_writeable);
-
- inputs->Index.data = (GLuint *) tmp->Ptr;
- inputs->Index.start = (GLuint *) tmp->Ptr;
- inputs->Index.stride = tmp->StrideB;
- inputs->Index.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
- if (inputs->Index.stride != sizeof(GLuint))
- inputs->Index.flags |= VEC_BAD_STRIDE;
- if (!is_writeable)
- inputs->Index.flags |= VEC_NOT_WRITEABLE;
- }
-
-
- static void _tnl_import_texcoord( GLcontext *ctx,
- GLuint unit,
- GLboolean writeable,
- GLboolean stride )
- {
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
-
- tmp = _ac_import_texcoord(ctx, unit, GL_FLOAT,
- stride ? 4 * sizeof(GLfloat) : 0,
- 0,
- writeable,
- &is_writeable);
-
- inputs->TexCoord[unit].data = (GLfloat (*)[4]) tmp->Ptr;
- inputs->TexCoord[unit].start = (GLfloat *) tmp->Ptr;
- inputs->TexCoord[unit].stride = tmp->StrideB;
- inputs->TexCoord[unit].size = tmp->Size;
- inputs->TexCoord[unit].flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
- if (inputs->TexCoord[unit].stride != 4*sizeof(GLfloat))
- inputs->TexCoord[unit].flags |= VEC_BAD_STRIDE;
- if (!is_writeable)
- inputs->TexCoord[unit].flags |= VEC_NOT_WRITEABLE;
- }
-
-
- static void _tnl_import_edgeflag( GLcontext *ctx,
- GLboolean writeable,
- GLboolean stride )
- {
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
-
- tmp = _ac_import_edgeflag(ctx, GL_UNSIGNED_BYTE,
- stride ? sizeof(GLubyte) : 0,
- 0,
- &is_writeable);
-
- inputs->EdgeFlag.data = (GLubyte *) tmp->Ptr;
- inputs->EdgeFlag.start = (GLubyte *) tmp->Ptr;
- inputs->EdgeFlag.stride = tmp->StrideB;
- inputs->EdgeFlag.flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
- if (inputs->EdgeFlag.stride != sizeof(GLubyte))
- inputs->EdgeFlag.flags |= VEC_BAD_STRIDE;
- if (!is_writeable)
- inputs->EdgeFlag.flags |= VEC_NOT_WRITEABLE;
- }
-
-
-
- static void _tnl_import_attrib( GLcontext *ctx,
- GLuint index,
- GLboolean writeable,
- GLboolean stride )
- {
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
- struct gl_client_array *tmp;
- GLboolean is_writeable = 0;
-
- tmp = _ac_import_attrib(ctx, index, GL_FLOAT,
- stride ? 4 * sizeof(GLfloat) : 0,
- 4, /* want GLfloat[4] */
- writeable,
- &is_writeable);
-
- inputs->Attribs[index].data = (GLfloat (*)[4]) tmp->Ptr;
- inputs->Attribs[index].start = (GLfloat *) tmp->Ptr;
- inputs->Attribs[index].stride = tmp->StrideB;
- inputs->Attribs[index].size = tmp->Size;
- inputs->Attribs[index].flags &= ~(VEC_BAD_STRIDE|VEC_NOT_WRITEABLE);
- if (inputs->Attribs[index].stride != 4 * sizeof(GLfloat))
- inputs->Attribs[index].flags |= VEC_BAD_STRIDE;
- if (!is_writeable)
- inputs->Attribs[index].flags |= VEC_NOT_WRITEABLE;
- }
-
-
-
- /**
- * Callback for VB stages that need to improve the quality of arrays
- * bound to the VB. This is only necessary for client arrays which
- * have not been transformed at any point in the pipeline.
- * \param required - bitmask of VERT_*_BIT flags
- * \param flags - bitmask of VEC_* flags (ex: VEC_NOT_WRITABLE)
- */
- static void _tnl_upgrade_client_data( GLcontext *ctx,
- GLuint required,
- GLuint flags )
- {
- GLuint i;
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLboolean writeable = (flags & VEC_NOT_WRITEABLE) != 0;
- GLboolean stride = (flags & VEC_BAD_STRIDE) != 0;
- struct vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs;
- GLuint ca_flags = 0;
- (void) inputs;
-
- if (writeable || stride) ca_flags |= CA_CLIENT_DATA;
-
- if ((required & VERT_BIT_CLIP) && VB->ClipPtr == VB->ObjPtr)
- required |= VERT_BIT_POS;
-
- /* _tnl_print_vert_flags("_tnl_upgrade_client_data", required); */
-
- if ((required & VERT_BIT_POS) && (VB->ObjPtr->flags & flags)) {
- ASSERT(VB->ObjPtr == &inputs->Obj);
- _tnl_import_vertex( ctx, writeable, stride );
- VB->importable_data &= ~(VERT_BIT_POS|VERT_BIT_CLIP);
- }
-
- if ((required & VERT_BIT_NORMAL) && (VB->NormalPtr->flags & flags)) {
- ASSERT(VB->NormalPtr == &inputs->Normal);
- _tnl_import_normal( ctx, writeable, stride );
- VB->importable_data &= ~VERT_BIT_NORMAL;
- }
-
- if ((required & VERT_BIT_COLOR0) && (VB->ColorPtr[0]->Flags & ca_flags)) {
- ASSERT(VB->ColorPtr[0] == &inputs->Color);
- _tnl_import_color( ctx, GL_FLOAT, writeable, stride );
- VB->importable_data &= ~VERT_BIT_COLOR0;
- }
-
- if ((required & VERT_BIT_COLOR1) &&
- (VB->SecondaryColorPtr[0]->Flags & ca_flags)) {
- ASSERT(VB->SecondaryColorPtr[0] == &inputs->SecondaryColor);
- _tnl_import_secondarycolor( ctx, GL_FLOAT, writeable, stride );
- VB->importable_data &= ~VERT_BIT_COLOR1;
- }
-
- if ((required & VERT_BIT_FOG)
- && (VB->FogCoordPtr->flags & flags)) {
- ASSERT(VB->FogCoordPtr == &inputs->FogCoord);
- _tnl_import_fogcoord( ctx, writeable, stride );
- VB->importable_data &= ~VERT_BIT_FOG;
- }
-
- if ((required & VERT_BIT_INDEX) && (VB->IndexPtr[0]->flags & flags)) {
- ASSERT(VB->IndexPtr[0] == &inputs->Index);
- _tnl_import_index( ctx, writeable, stride );
- VB->importable_data &= ~VERT_BIT_INDEX;
- }
-
- if (required & VERT_BITS_TEX_ANY)
- for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
- if ((required & VERT_BIT_TEX(i)) && (VB->TexCoordPtr[i]->flags & flags)) {
- ASSERT(VB->TexCoordPtr[i] == &inputs->TexCoord[i]);
- _tnl_import_texcoord( ctx, i, writeable, stride );
- VB->importable_data &= ~VERT_BIT_TEX(i);
- }
-
- /* XXX not sure what to do here for vertex program arrays */
- }
-
-
-
- void _tnl_vb_bind_arrays( GLcontext *ctx, GLint start, GLsizei count )
- {
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- GLuint inputs = tnl->pipeline.inputs;
- struct vertex_arrays *tmp = &tnl->array_inputs;
-
- /* _mesa_debug(ctx, "%s %d..%d // %d..%d\n", __FUNCTION__, */
- /* start, count, ctx->Array.LockFirst, ctx->Array.LockCount); */
- /* _tnl_print_vert_flags(" inputs", inputs); */
- /* _tnl_print_vert_flags(" _Enabled", ctx->Array._Enabled); */
- /* _tnl_print_vert_flags(" importable", inputs & VERT_BITS_FIXUP); */
-
- VB->Count = count - start;
- VB->FirstClipped = VB->Count;
- VB->Elts = NULL;
- VB->MaterialMask = NULL;
- VB->Material = NULL;
- VB->Flag = NULL;
- VB->Primitive = tnl->tmp_primitive;
- VB->PrimitiveLength = tnl->tmp_primitive_length;
- VB->import_data = _tnl_upgrade_client_data;
- VB->importable_data = inputs & VERT_BITS_FIXUP;
-
- if (ctx->Array.LockCount) {
- ASSERT(start == (GLint) ctx->Array.LockFirst);
- ASSERT(count == (GLint) ctx->Array.LockCount);
- }
-
- _ac_import_range( ctx, start, count );
-
- if (inputs & VERT_BIT_POS) {
- _tnl_import_vertex( ctx, 0, 0 );
- tmp->Obj.count = VB->Count;
- VB->ObjPtr = &tmp->Obj;
- }
-
- if (inputs & VERT_BIT_NORMAL) {
- _tnl_import_normal( ctx, 0, 0 );
- tmp->Normal.count = VB->Count;
- VB->NormalPtr = &tmp->Normal;
- }
-
- if (inputs & VERT_BIT_COLOR0) {
- _tnl_import_color( ctx, 0, 0, 0 );
- VB->ColorPtr[0] = &tmp->Color;
- VB->ColorPtr[1] = 0;
- }
-
- if (inputs & VERT_BITS_TEX_ANY) {
- GLuint unit;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (inputs & VERT_BIT_TEX(unit)) {
- _tnl_import_texcoord( ctx, unit, GL_FALSE, GL_FALSE );
- tmp->TexCoord[unit].count = VB->Count;
- VB->TexCoordPtr[unit] = &tmp->TexCoord[unit];
- }
- }
- }
-
- if (inputs & (VERT_BIT_INDEX | VERT_BIT_FOG |
- VERT_BIT_EDGEFLAG | VERT_BIT_COLOR1)) {
- if (inputs & VERT_BIT_INDEX) {
- _tnl_import_index( ctx, 0, 0 );
- tmp->Index.count = VB->Count;
- VB->IndexPtr[0] = &tmp->Index;
- VB->IndexPtr[1] = 0;
- }
-
- if (inputs & VERT_BIT_FOG) {
- _tnl_import_fogcoord( ctx, 0, 0 );
- tmp->FogCoord.count = VB->Count;
- VB->FogCoordPtr = &tmp->FogCoord;
- }
-
- if (inputs & VERT_BIT_EDGEFLAG) {
- _tnl_import_edgeflag( ctx, GL_TRUE, sizeof(GLboolean) );
- VB->EdgeFlag = (GLboolean *) tmp->EdgeFlag.data;
- }
-
- if (inputs & VERT_BIT_COLOR1) {
- _tnl_import_secondarycolor( ctx, 0, 0, 0 );
- VB->SecondaryColorPtr[0] = &tmp->SecondaryColor;
- VB->SecondaryColorPtr[1] = 0;
- }
- }
-
- /* XXX not 100% sure this is finished. Keith should probably inspect. */
- if (ctx->VertexProgram.Enabled) {
- GLuint index;
- for (index = 0; index < VERT_ATTRIB_MAX; index++) {
- /* XXX check program->InputsRead to reduce work here */
- _tnl_import_attrib( ctx, index, GL_FALSE, GL_TRUE );
- VB->AttribPtr[index] = &tmp->Attribs[index];
- }
- }
- }
-