diff options
Diffstat (limited to 'src/mesa/tnl/t_vtx_api.c')
| -rw-r--r-- | src/mesa/tnl/t_vtx_api.c | 1046 |
1 files changed, 0 insertions, 1046 deletions
diff --git a/src/mesa/tnl/t_vtx_api.c b/src/mesa/tnl/t_vtx_api.c deleted file mode 100644 index 77eec8b3b44..00000000000 --- a/src/mesa/tnl/t_vtx_api.c +++ /dev/null @@ -1,1046 +0,0 @@ -/************************************************************************** - -Copyright 2002 Tungsten Graphics Inc., Cedar Park, Texas. - -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 -on the rights to use, copy, modify, merge, publish, distribute, sub -license, 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 (including the next -paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL -TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS 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 <[email protected]> - */ - -#include "glheader.h" -#include "context.h" -#include "macros.h" -#include "vtxfmt.h" -#include "dlist.h" -#include "state.h" -#include "light.h" -#include "api_arrayelt.h" -#include "api_noop.h" -#include "t_vtx_api.h" -#include "simple_list.h" - -#include "dispatch.h" - -static void reset_attrfv( TNLcontext *tnl ); - -/** Note extra space for error index: */ -static tnl_attrfv_func choose[_TNL_ATTRIB_ERROR+1][4]; -static tnl_attrfv_func generic_attr_func[_TNL_MAX_ATTR_CODEGEN][4]; - - -/* Close off the last primitive, execute the buffer, restart the - * primitive. - */ -static void _tnl_wrap_buffers( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - - - if (tnl->vtx.prim_count == 0) { - tnl->vtx.copied.nr = 0; - tnl->vtx.counter = tnl->vtx.initial_counter; - tnl->vtx.vbptr = tnl->vtx.buffer; - } - else { - GLuint last_prim = tnl->vtx.prim[tnl->vtx.prim_count-1].mode; - GLuint last_count; - - if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - GLint i = tnl->vtx.prim_count - 1; - assert(i >= 0); - tnl->vtx.prim[i].count = ((tnl->vtx.initial_counter - - tnl->vtx.counter) - - tnl->vtx.prim[i].start); - } - - last_count = tnl->vtx.prim[tnl->vtx.prim_count-1].count; - - /* Execute the buffer and save copied vertices. - */ - if (tnl->vtx.counter != tnl->vtx.initial_counter) - _tnl_flush_vtx( ctx ); - else { - tnl->vtx.prim_count = 0; - tnl->vtx.copied.nr = 0; - } - - /* Emit a glBegin to start the new list. - */ - assert(tnl->vtx.prim_count == 0); - - if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - tnl->vtx.prim[0].mode = ctx->Driver.CurrentExecPrimitive; - tnl->vtx.prim[0].start = 0; - tnl->vtx.prim[0].count = 0; - tnl->vtx.prim_count++; - - if (tnl->vtx.copied.nr == last_count) - tnl->vtx.prim[0].mode |= last_prim & PRIM_BEGIN; - } - } -} - - -/* Deal with buffer wrapping where provoked by the vertex buffer - * filling up, as opposed to upgrade_vertex(). - * - * Make it GLAPIENTRY, so we can tail from the codegen'ed Vertex*fv - */ -void GLAPIENTRY _tnl_wrap_filled_vertex( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLfloat *data = tnl->vtx.copied.buffer; - GLuint i; - - /* Run pipeline on current vertices, copy wrapped vertices - * to tnl->copied. - */ - _tnl_wrap_buffers( ctx ); - - /* Copy stored stored vertices to start of new list. - */ - assert(tnl->vtx.counter > tnl->vtx.copied.nr); - - for (i = 0 ; i < tnl->vtx.copied.nr ; i++) { - _mesa_memcpy( tnl->vtx.vbptr, data, - tnl->vtx.vertex_size * sizeof(GLfloat)); - tnl->vtx.vbptr += tnl->vtx.vertex_size; - data += tnl->vtx.vertex_size; - tnl->vtx.counter--; - } - - tnl->vtx.copied.nr = 0; -} - - -/* - * Copy the active vertex's values to the ctx->Current fields. - */ -static void _tnl_copy_to_current( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint i; - - for (i = _TNL_ATTRIB_POS+1 ; i < _TNL_ATTRIB_EDGEFLAG ; i++) { - if (tnl->vtx.attrsz[i]) { - /* Note: the tnl->vtx.current[i] pointers points to - * the ctx->Current fields. The first 16 or so, anyway. - */ - COPY_CLEAN_4V(tnl->vtx.current[i], - tnl->vtx.attrsz[i], - tnl->vtx.attrptr[i]); - } - } - - /* Edgeflag requires additional treatment: - */ - if (tnl->vtx.attrsz[_TNL_ATTRIB_EDGEFLAG]) { - ctx->Current.EdgeFlag = - (tnl->vtx.CurrentFloatEdgeFlag == 1.0); - } - - /* Colormaterial -- this kindof sucks. - */ - if (ctx->Light.ColorMaterialEnabled) { - _mesa_update_color_material(ctx, - ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); - } - - if (tnl->vtx.have_materials) { - tnl->Driver.NotifyMaterialChange( ctx ); - ctx->NewState |= _NEW_LIGHT; - } - - ctx->Driver.NeedFlush &= ~FLUSH_UPDATE_CURRENT; -} - - -static void _tnl_copy_from_current( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLint i; - - /* Edgeflag requires additional treatment: - */ - tnl->vtx.CurrentFloatEdgeFlag = (GLfloat) ctx->Current.EdgeFlag; - - for (i = _TNL_ATTRIB_POS+1 ; i < _TNL_ATTRIB_MAX ; i++) - switch (tnl->vtx.attrsz[i]) { - case 4: tnl->vtx.attrptr[i][3] = tnl->vtx.current[i][3]; - case 3: tnl->vtx.attrptr[i][2] = tnl->vtx.current[i][2]; - case 2: tnl->vtx.attrptr[i][1] = tnl->vtx.current[i][1]; - case 1: tnl->vtx.attrptr[i][0] = tnl->vtx.current[i][0]; - break; - } - - ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; -} - - -/* Flush existing data, set new attrib size, replay copied vertices. - */ -static void _tnl_wrap_upgrade_vertex( GLcontext *ctx, - GLuint attr, - GLuint newsz ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint oldsz; - GLuint i; - GLfloat *tmp; - GLint lastcount = tnl->vtx.initial_counter - tnl->vtx.counter; - - /* Run pipeline on current vertices, copy wrapped vertices - * to tnl->vtx.copied. - */ - _tnl_wrap_buffers( ctx ); - - - /* Do a COPY_TO_CURRENT to ensure back-copying works for the case - * when the attribute already exists in the vertex and is having - * its size increased. - */ - _tnl_copy_to_current( ctx ); - - - /* Heuristic: Attempt to isolate attributes received outside - * begin/end so that they don't bloat the vertices. - */ - if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END && - tnl->vtx.attrsz[attr] == 0 && - lastcount > 8 && - tnl->vtx.vertex_size) { - reset_attrfv( tnl ); - } - - /* Fix up sizes: - */ - oldsz = tnl->vtx.attrsz[attr]; - tnl->vtx.attrsz[attr] = newsz; - - tnl->vtx.vertex_size += newsz - oldsz; - tnl->vtx.counter = MIN2( VERT_BUFFER_SIZE / tnl->vtx.vertex_size, - ctx->Const.MaxArrayLockSize ); - tnl->vtx.initial_counter = tnl->vtx.counter; - tnl->vtx.vbptr = tnl->vtx.buffer; - - - /* Recalculate all the attrptr[] values - */ - for (i = 0, tmp = tnl->vtx.vertex ; i < _TNL_ATTRIB_MAX ; i++) { - if (tnl->vtx.attrsz[i]) { - tnl->vtx.attrptr[i] = tmp; - tmp += tnl->vtx.attrsz[i]; - } - else - tnl->vtx.attrptr[i] = NULL; /* will not be dereferenced */ - } - - /* Copy from current to repopulate the vertex with correct values. - */ - _tnl_copy_from_current( ctx ); - - /* Replay stored vertices to translate them - * to new format here. - * - * -- No need to replay - just copy piecewise - */ - if (tnl->vtx.copied.nr) - { - const GLfloat *data = tnl->vtx.copied.buffer; - GLfloat *dest = tnl->vtx.buffer; - GLuint j; - - for (i = 0 ; i < tnl->vtx.copied.nr ; i++) { - for (j = 0 ; j < _TNL_ATTRIB_MAX ; j++) { - if (tnl->vtx.attrsz[j]) { - if (j == attr) { - if (oldsz) { - COPY_CLEAN_4V( dest, oldsz, data ); - data += oldsz; - dest += newsz; - } else { - COPY_SZ_4V( dest, newsz, tnl->vtx.current[j] ); - dest += newsz; - } - } - else { - GLuint sz = tnl->vtx.attrsz[j]; - COPY_SZ_4V( dest, sz, data ); - dest += sz; - data += sz; - } - } - } - } - - tnl->vtx.vbptr = dest; - tnl->vtx.counter -= tnl->vtx.copied.nr; - tnl->vtx.copied.nr = 0; - } - - /* For codegen - attrptr's may have changed, so need to redo - * codegen. Might be a reasonable place to try & detect attributes - * in the vertex which aren't being submitted any more. - */ - for (i = 0 ; i < _TNL_ATTRIB_MAX ; i++) - if (tnl->vtx.attrsz[i]) { - GLuint j = tnl->vtx.attrsz[i] - 1; - - if (i < _TNL_MAX_ATTR_CODEGEN) - tnl->vtx.tabfv[i][j] = choose[i][j]; - } - -} - - -static void _tnl_fixup_vertex( GLcontext *ctx, GLuint attr, GLuint sz ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - static const GLfloat id[4] = { 0, 0, 0, 1 }; - int i; - - if (0) - _mesa_printf("%s attr %d sz %d -> %d\n", - __FUNCTION__, attr, tnl->vtx.attrsz[attr], sz); - - if (tnl->vtx.attrsz[attr] < sz) { - /* New size is larger. Need to flush existing vertices and get - * an enlarged vertex format. - */ - _tnl_wrap_upgrade_vertex( ctx, attr, sz ); - } - else if (sz < tnl->vtx.active_sz[attr]) { - /* New size is smaller - just need to fill in some - * zeros. Don't need to flush or wrap. - */ - for (i = sz ; i <= tnl->vtx.attrsz[attr] ; i++) - tnl->vtx.attrptr[attr][i-1] = id[i-1]; - } - - tnl->vtx.active_sz[attr] = sz; - - /* Does setting NeedFlush belong here? Necessitates resetting - * vtxfmt on each flush (otherwise flags won't get reset - * afterwards). - */ - if (attr == 0) - ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; - else - ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; -} - -#ifdef USE_X86_ASM - -static struct _tnl_dynfn *lookup( struct _tnl_dynfn *l, GLuint key ) -{ - struct _tnl_dynfn *f; - - foreach( f, l ) { - if (f->key == key) - return f; - } - - return NULL; -} - - -static tnl_attrfv_func do_codegen( GLcontext *ctx, GLuint attr, GLuint sz ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct _tnl_dynfn *dfn = NULL; - - if (attr == 0) { - GLuint key = tnl->vtx.vertex_size; - - dfn = lookup( &tnl->vtx.cache.Vertex[sz-1], key ); - - if (!dfn) - dfn = tnl->vtx.gen.Vertex[sz-1]( ctx, key ); - } - else { - GLuint key = (GLuint) tnl->vtx.attrptr[attr]; - - dfn = lookup( &tnl->vtx.cache.Attribute[sz-1], key ); - - if (!dfn) - dfn = tnl->vtx.gen.Attribute[sz-1]( ctx, key ); - } - - if (dfn) - return *(tnl_attrfv_func *) &dfn->code; - else - return NULL; -} - -#endif /* USE_X86_ASM */ - -/* Helper function for 'CHOOSE' macro. Do what's necessary when an - * entrypoint is called for the first time. - */ - -static tnl_attrfv_func do_choose( GLuint attr, GLuint sz ) -{ - GET_CURRENT_CONTEXT( ctx ); - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint oldsz = tnl->vtx.active_sz[attr]; - - assert(attr < _TNL_MAX_ATTR_CODEGEN); - - if (oldsz != sz) { - /* Reset any active pointers for this attribute - */ - if (oldsz) - tnl->vtx.tabfv[attr][oldsz-1] = choose[attr][oldsz-1]; - - _tnl_fixup_vertex( ctx, attr, sz ); - - } - - - /* Try to use codegen: - */ -#ifdef USE_X86_ASM - if (tnl->AllowCodegen) - tnl->vtx.tabfv[attr][sz-1] = do_codegen( ctx, attr, sz ); - else -#endif - tnl->vtx.tabfv[attr][sz-1] = NULL; - - /* Else use generic version: - */ - if (!tnl->vtx.tabfv[attr][sz-1]) - tnl->vtx.tabfv[attr][sz-1] = generic_attr_func[attr][sz-1]; - - ASSERT(tnl->vtx.tabfv[attr][sz-1]); - return tnl->vtx.tabfv[attr][sz-1]; -} - - - -#define CHOOSE( ATTR, N ) \ -static void choose_##ATTR##_##N( const GLfloat *v ) \ -{ \ - tnl_attrfv_func f = do_choose(ATTR, N); \ - ASSERT(f); \ - f( v ); \ -} - -#define CHOOSERS( ATTRIB ) \ - CHOOSE( ATTRIB, 1 ) \ - CHOOSE( ATTRIB, 2 ) \ - CHOOSE( ATTRIB, 3 ) \ - CHOOSE( ATTRIB, 4 ) \ - - -#define INIT_CHOOSERS(ATTR) \ - ASSERT(ATTR <= _TNL_ATTRIB_ERROR);\ - choose[ATTR][0] = choose_##ATTR##_1; \ - choose[ATTR][1] = choose_##ATTR##_2; \ - choose[ATTR][2] = choose_##ATTR##_3; \ - choose[ATTR][3] = choose_##ATTR##_4; - -/* conventional attributes */ -CHOOSERS( 0 ) -CHOOSERS( 1 ) -CHOOSERS( 2 ) -CHOOSERS( 3 ) -CHOOSERS( 4 ) -CHOOSERS( 5 ) -CHOOSERS( 6 ) -CHOOSERS( 7 ) -CHOOSERS( 8 ) -CHOOSERS( 9 ) -CHOOSERS( 10 ) -CHOOSERS( 11 ) -CHOOSERS( 12 ) -CHOOSERS( 13 ) -CHOOSERS( 14 ) -CHOOSERS( 15 ) - -/* generic attributes */ -CHOOSERS( 16 ) -CHOOSERS( 17 ) -CHOOSERS( 18 ) -CHOOSERS( 19 ) -CHOOSERS( 20 ) -CHOOSERS( 21 ) -CHOOSERS( 22 ) -CHOOSERS( 23 ) -CHOOSERS( 24 ) -CHOOSERS( 25 ) -CHOOSERS( 26 ) -CHOOSERS( 27 ) -CHOOSERS( 28 ) -CHOOSERS( 29 ) -CHOOSERS( 30 ) -CHOOSERS( 31 ) - - -/** - * This function will get called when glVertexAttribNV/ARB() is called - * with an invalid index parameter. - */ -static void -error_attrib(const GLfloat *unused) -{ - GET_CURRENT_CONTEXT( ctx ); - (void) unused; - _mesa_error( ctx, GL_INVALID_VALUE, "glVertexAttrib(index)" ); -} - - - -/** - * Reset all the per-vertex functions pointers to point to the default - * "chooser" functions. - */ -static void -reset_attrfv(TNLcontext *tnl) -{ - GLuint i; - - for (i = 0 ; i < _TNL_ATTRIB_MAX ; i++) - if (tnl->vtx.attrsz[i]) { - GLint j = tnl->vtx.attrsz[i] - 1; - tnl->vtx.attrsz[i] = 0; - tnl->vtx.active_sz[i] = 0; - - if (i < _TNL_MAX_ATTR_CODEGEN) { - while (j >= 0) { - tnl->vtx.tabfv[i][j] = choose[i][j]; - j--; - } - } - } - - tnl->vtx.vertex_size = 0; - tnl->vtx.have_materials = 0; -} - - - -/** - * Materials: - * - * These are treated as per-vertex attributes, at indices above where - * the NV_vertex_program leaves off. There are a lot of good things - * about treating materials this way. - * - * However: I don't want to double the number of generated functions - * just to cope with this, so I unroll the 'C' varients of CHOOSE and - * ATTRF into this function, and dispense with codegen and - * second-level dispatch. - * - * There is no aliasing of material attributes with other entrypoints. - */ -#define OTHER_ATTR( A, N, params ) \ -do { \ - if (tnl->vtx.active_sz[A] != N) { \ - _tnl_fixup_vertex( ctx, A, N ); \ - } \ - \ - { \ - GLfloat *dest = tnl->vtx.attrptr[A]; \ - if (N>0) dest[0] = (params)[0]; \ - if (N>1) dest[1] = (params)[1]; \ - if (N>2) dest[2] = (params)[2]; \ - if (N>3) dest[3] = (params)[3]; \ - } \ -} while (0) - - -#define MAT( ATTR, N, face, params ) \ -do { \ - if (face != GL_BACK) \ - OTHER_ATTR( ATTR, N, params ); /* front */ \ - if (face != GL_FRONT) \ - OTHER_ATTR( ATTR + 1, N, params ); /* back */ \ -} while (0) - - -/** - * Called by glMaterialfv(). - * Colormaterial is dealt with later on. - */ -static void GLAPIENTRY -_tnl_Materialfv( GLenum face, GLenum pname, const GLfloat *params ) -{ - GET_CURRENT_CONTEXT( ctx ); - TNLcontext *tnl = TNL_CONTEXT(ctx); - - switch (face) { - case GL_FRONT: - case GL_BACK: - case GL_FRONT_AND_BACK: - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glMaterialfv" ); - return; - } - - switch (pname) { - case GL_EMISSION: - MAT( _TNL_ATTRIB_MAT_FRONT_EMISSION, 4, face, params ); - break; - case GL_AMBIENT: - MAT( _TNL_ATTRIB_MAT_FRONT_AMBIENT, 4, face, params ); - break; - case GL_DIFFUSE: - MAT( _TNL_ATTRIB_MAT_FRONT_DIFFUSE, 4, face, params ); - break; - case GL_SPECULAR: - MAT( _TNL_ATTRIB_MAT_FRONT_SPECULAR, 4, face, params ); - break; - case GL_SHININESS: - MAT( _TNL_ATTRIB_MAT_FRONT_SHININESS, 1, face, params ); - break; - case GL_COLOR_INDEXES: - MAT( _TNL_ATTRIB_MAT_FRONT_INDEXES, 3, face, params ); - break; - case GL_AMBIENT_AND_DIFFUSE: - MAT( _TNL_ATTRIB_MAT_FRONT_AMBIENT, 4, face, params ); - MAT( _TNL_ATTRIB_MAT_FRONT_DIFFUSE, 4, face, params ); - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glMaterialfv" ); - return; - } - - tnl->vtx.have_materials = GL_TRUE; -} - - -static void GLAPIENTRY _tnl_EdgeFlag( GLboolean b ) -{ - GET_CURRENT_CONTEXT( ctx ); - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLfloat f = (GLfloat)b; - - OTHER_ATTR( _TNL_ATTRIB_EDGEFLAG, 1, &f ); -} - - -/* Eval - */ -static void GLAPIENTRY _tnl_EvalCoord1f( GLfloat u ) -{ - GET_CURRENT_CONTEXT( ctx ); - TNLcontext *tnl = TNL_CONTEXT(ctx); - - /* TODO: use a CHOOSE() function for this: */ - { - GLint i; - if (tnl->vtx.eval.new_state) - _tnl_update_eval( ctx ); - - for (i = 0; i < _TNL_NUM_EVAL; i++) { - if (tnl->vtx.eval.map1[i].map) - if (tnl->vtx.active_sz[i] != tnl->vtx.eval.map1[i].sz) - _tnl_fixup_vertex( ctx, i, tnl->vtx.eval.map1[i].sz ); - } - } - - - _mesa_memcpy( tnl->vtx.copied.buffer, tnl->vtx.vertex, - tnl->vtx.vertex_size * sizeof(GLfloat)); - - _tnl_do_EvalCoord1f( ctx, u ); - - _mesa_memcpy( tnl->vtx.vertex, tnl->vtx.copied.buffer, - tnl->vtx.vertex_size * sizeof(GLfloat)); -} - -static void GLAPIENTRY _tnl_EvalCoord2f( GLfloat u, GLfloat v ) -{ - GET_CURRENT_CONTEXT( ctx ); - TNLcontext *tnl = TNL_CONTEXT(ctx); - - /* TODO: use a CHOOSE() function for this: */ - { - GLint i; - if (tnl->vtx.eval.new_state) - _tnl_update_eval( ctx ); - - for (i = 0; i < _TNL_NUM_EVAL; i++) { - if (tnl->vtx.eval.map2[i].map) - if (tnl->vtx.active_sz[i] != tnl->vtx.eval.map2[i].sz) - _tnl_fixup_vertex( ctx, i, tnl->vtx.eval.map2[i].sz ); - } - - if (ctx->Eval.AutoNormal) - if (tnl->vtx.active_sz[_TNL_ATTRIB_NORMAL] != 3) - _tnl_fixup_vertex( ctx, _TNL_ATTRIB_NORMAL, 3 ); - } - - _mesa_memcpy( tnl->vtx.copied.buffer, tnl->vtx.vertex, - tnl->vtx.vertex_size * sizeof(GLfloat)); - - _tnl_do_EvalCoord2f( ctx, u, v ); - - _mesa_memcpy( tnl->vtx.vertex, tnl->vtx.copied.buffer, - tnl->vtx.vertex_size * sizeof(GLfloat)); -} - -static void GLAPIENTRY _tnl_EvalCoord1fv( const GLfloat *u ) -{ - _tnl_EvalCoord1f( u[0] ); -} - -static void GLAPIENTRY _tnl_EvalCoord2fv( const GLfloat *u ) -{ - _tnl_EvalCoord2f( u[0], u[1] ); -} - -static void GLAPIENTRY _tnl_EvalPoint1( GLint i ) -{ - GET_CURRENT_CONTEXT( ctx ); - GLfloat du = ((ctx->Eval.MapGrid1u2 - ctx->Eval.MapGrid1u1) / - (GLfloat) ctx->Eval.MapGrid1un); - GLfloat u = i * du + ctx->Eval.MapGrid1u1; - - _tnl_EvalCoord1f( u ); -} - - -static void GLAPIENTRY _tnl_EvalPoint2( GLint i, GLint j ) -{ - GET_CURRENT_CONTEXT( ctx ); - GLfloat du = ((ctx->Eval.MapGrid2u2 - ctx->Eval.MapGrid2u1) / - (GLfloat) ctx->Eval.MapGrid2un); - GLfloat dv = ((ctx->Eval.MapGrid2v2 - ctx->Eval.MapGrid2v1) / - (GLfloat) ctx->Eval.MapGrid2vn); - GLfloat u = i * du + ctx->Eval.MapGrid2u1; - GLfloat v = j * dv + ctx->Eval.MapGrid2v1; - - _tnl_EvalCoord2f( u, v ); -} - - -/** - * Called from glBegin. - * ctx->Driver.CurrentExecPrimitive will be set to <mode>. - */ -static void GLAPIENTRY _tnl_Begin( GLenum mode ) -{ - GET_CURRENT_CONTEXT( ctx ); - - if (mode > GL_POLYGON) { - _mesa_error(ctx, GL_INVALID_ENUM, "glBegin(mode)"); - return; - } - - if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) { - /* we're not inside a glBegin/End pair */ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint i; - - if (ctx->NewState) { - _mesa_update_state( ctx ); - - if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) || - (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glBegin (invalid vertex/fragment program)"); - tnl->DiscardPrimitive = GL_TRUE; - return; - } - - if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, - "glBegin(incomplete framebuffer)"); - tnl->DiscardPrimitive = GL_TRUE; - return; - } - - tnl->DiscardPrimitive = GL_FALSE; - - if (!(tnl->Driver.NotifyBegin && - tnl->Driver.NotifyBegin( ctx, mode ))) - CALL_Begin(ctx->Exec, (mode)); - return; - } - - /* Heuristic: attempt to isolate attributes occuring outside - * begin/end pairs. - */ - if (tnl->vtx.vertex_size && !tnl->vtx.attrsz[0]) - _tnl_FlushVertices( ctx, ~0 ); - - i = tnl->vtx.prim_count++; - tnl->vtx.prim[i].mode = mode | PRIM_BEGIN; - tnl->vtx.prim[i].start = tnl->vtx.initial_counter - tnl->vtx.counter; - tnl->vtx.prim[i].count = 0; - - ctx->Driver.CurrentExecPrimitive = mode; - } - else { - /* already inside glBegin/End */ - _mesa_error( ctx, GL_INVALID_OPERATION, "glBegin" ); - } -} - - -/** - * Called from glEnd. - */ -static void GLAPIENTRY _tnl_End( void ) -{ - GET_CURRENT_CONTEXT( ctx ); - - if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - /* closing an open glBegin primitive */ - TNLcontext *tnl = TNL_CONTEXT(ctx); - int idx = tnl->vtx.initial_counter - tnl->vtx.counter; - int i = tnl->vtx.prim_count - 1; - - tnl->vtx.prim[i].mode |= PRIM_END; - tnl->vtx.prim[i].count = idx - tnl->vtx.prim[i].start; - - ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; - - /* Two choices which effect the way vertex attributes are - * carried over (or not) between adjacent primitives. - */ -#if 0 - if (tnl->vtx.prim_count == TNL_MAX_PRIM) - _tnl_FlushVertices( ctx, ~0 ); -#else - if (tnl->vtx.prim_count == TNL_MAX_PRIM) - _tnl_flush_vtx( ctx ); -#endif - - } - else { - /* glBegin hasn't been called! */ - _mesa_error( ctx, GL_INVALID_OPERATION, "glEnd" ); - } -} - - -/** - * XXX why aren't all members initialized here?? - */ -static void _tnl_exec_vtxfmt_init( GLcontext *ctx ) -{ - GLvertexformat *vfmt = &(TNL_CONTEXT(ctx)->exec_vtxfmt); - - vfmt->ArrayElement = _ae_loopback_array_elt; /* generic helper */ - vfmt->Begin = _tnl_Begin; - vfmt->CallList = _mesa_CallList; - vfmt->CallLists = _mesa_CallLists; - vfmt->EdgeFlag = _tnl_EdgeFlag; - vfmt->End = _tnl_End; - vfmt->EvalCoord1f = _tnl_EvalCoord1f; - vfmt->EvalCoord1fv = _tnl_EvalCoord1fv; - vfmt->EvalCoord2f = _tnl_EvalCoord2f; - vfmt->EvalCoord2fv = _tnl_EvalCoord2fv; - vfmt->EvalPoint1 = _tnl_EvalPoint1; - vfmt->EvalPoint2 = _tnl_EvalPoint2; - vfmt->Materialfv = _tnl_Materialfv; - - vfmt->Rectf = _mesa_noop_Rectf; - vfmt->EvalMesh1 = _mesa_noop_EvalMesh1; - vfmt->EvalMesh2 = _mesa_noop_EvalMesh2; -} - - - -void _tnl_FlushVertices( GLcontext *ctx, GLuint flags ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - (void) flags; - - if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - /* still inside a glBegin/End pair. How'd we get here??? */ - return; - } - - if (tnl->DiscardPrimitive) { - /* discard any primitives */ - tnl->vtx.prim_count = 0; - tnl->vtx.counter = tnl->vtx.initial_counter; - tnl->vtx.vbptr = tnl->vtx.buffer; - } - - if (tnl->vtx.counter != tnl->vtx.initial_counter) { - _tnl_flush_vtx( ctx ); - } - - if (tnl->vtx.vertex_size) { - _tnl_copy_to_current( ctx ); - reset_attrfv( tnl ); - } - - ctx->Driver.NeedFlush = 0; -} - - -/** - * Init the tnl->vtx->current[] pointers to point to the corresponding - * fields in ctx->Current attribute group. - */ -static void _tnl_current_init( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLint i; - - /* setup the pointers for the typical (32) vertex attributes */ - for (i = 0; i < VERT_ATTRIB_MAX; i++) - tnl->vtx.current[i] = ctx->Current.Attrib[i]; - - /* setup pointers for the 12 material attributes */ - for (i = 0; i < MAT_ATTRIB_MAX; i++) - tnl->vtx.current[_TNL_ATTRIB_MAT_FRONT_AMBIENT + i] = - ctx->Light.Material.Attrib[i]; - - /* special case */ - tnl->vtx.current[_TNL_ATTRIB_EDGEFLAG] = &tnl->vtx.CurrentFloatEdgeFlag; -} - -static struct _tnl_dynfn *no_codegen( GLcontext *ctx, int key ) -{ - (void) ctx; (void) key; - return NULL; -} - -void _tnl_vtx_init( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct tnl_vertex_arrays *tmp = &tnl->vtx_inputs; - GLuint i; - static int firsttime = 1; - - if (firsttime) { - firsttime = 0; - - /* conventional attributes */ - INIT_CHOOSERS( 0 ); - INIT_CHOOSERS( 1 ); - INIT_CHOOSERS( 2 ); - INIT_CHOOSERS( 3 ); - INIT_CHOOSERS( 4 ); - INIT_CHOOSERS( 5 ); - INIT_CHOOSERS( 6 ); - INIT_CHOOSERS( 7 ); - INIT_CHOOSERS( 8 ); - INIT_CHOOSERS( 9 ); - INIT_CHOOSERS( 10 ); - INIT_CHOOSERS( 11 ); - INIT_CHOOSERS( 12 ); - INIT_CHOOSERS( 13 ); - INIT_CHOOSERS( 14 ); - INIT_CHOOSERS( 15 ); - - /* generic attributes */ - INIT_CHOOSERS( 16 ); - INIT_CHOOSERS( 17 ); - INIT_CHOOSERS( 18 ); - INIT_CHOOSERS( 19 ); - INIT_CHOOSERS( 20 ); - INIT_CHOOSERS( 21 ); - INIT_CHOOSERS( 22 ); - INIT_CHOOSERS( 23 ); - INIT_CHOOSERS( 24 ); - INIT_CHOOSERS( 25 ); - INIT_CHOOSERS( 26 ); - INIT_CHOOSERS( 27 ); - INIT_CHOOSERS( 28 ); - INIT_CHOOSERS( 29 ); - INIT_CHOOSERS( 30 ); - INIT_CHOOSERS( 31 ); - - choose[_TNL_ATTRIB_ERROR][0] = error_attrib; - choose[_TNL_ATTRIB_ERROR][1] = error_attrib; - choose[_TNL_ATTRIB_ERROR][2] = error_attrib; - choose[_TNL_ATTRIB_ERROR][3] = error_attrib; - -#ifdef USE_X86_ASM - if (tnl->AllowCodegen) { - _tnl_x86choosers(choose, do_choose); /* x86 INIT_CHOOSERS */ - } -#endif - - _tnl_generic_attr_table_init( generic_attr_func ); - } - - for (i = 0; i < _TNL_ATTRIB_EDGEFLAG; i++) - _mesa_vector4f_init( &tmp->Attribs[i], 0, NULL); - - for (i = 0; i < 4; i++) { - make_empty_list( &tnl->vtx.cache.Vertex[i] ); - make_empty_list( &tnl->vtx.cache.Attribute[i] ); - tnl->vtx.gen.Vertex[i] = no_codegen; - tnl->vtx.gen.Attribute[i] = no_codegen; - } - -#ifdef USE_X86_ASM - _tnl_InitX86Codegen( &tnl->vtx.gen ); -#endif - - _tnl_current_init( ctx ); - _tnl_exec_vtxfmt_init( ctx ); - _tnl_generic_exec_vtxfmt_init( ctx ); -#ifdef USE_X86_ASM - if (tnl->AllowCodegen) { - _tnl_x86_exec_vtxfmt_init( ctx ); /* x86 DISPATCH_ATTRFV */ - } -#endif - - _mesa_install_exec_vtxfmt( ctx, &tnl->exec_vtxfmt ); - - _mesa_memcpy( tnl->vtx.tabfv, choose, sizeof(choose) ); - - for (i = 0 ; i < _TNL_ATTRIB_MAX ; i++) { - tnl->vtx.attrsz[i] = 0; - tnl->vtx.active_sz[i] = 0; - } - - tnl->vtx.vertex_size = 0; - tnl->vtx.have_materials = 0; -} - -static void free_funcs( struct _tnl_dynfn *l ) -{ - struct _tnl_dynfn *f, *tmp; - foreach_s (f, tmp, l) { - remove_from_list( f ); - ALIGN_FREE( f->code ); - FREE( f ); - } -} - - -void _tnl_vtx_destroy( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint i; - - for (i = 0; i < 4; i++) { - free_funcs( &tnl->vtx.cache.Vertex[i] ); - free_funcs( &tnl->vtx.cache.Attribute[i] ); - } -} - |