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-rw-r--r--src/mesa/tnl/t_vtx_api.c1046
1 files changed, 1046 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_vtx_api.c b/src/mesa/tnl/t_vtx_api.c
new file mode 100644
index 00000000000..77eec8b3b44
--- /dev/null
+++ b/src/mesa/tnl/t_vtx_api.c
@@ -0,0 +1,1046 @@
+/**************************************************************************
+
+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] );
+ }
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 11:35:44 +0000