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-rw-r--r--src/mesa/tnl/t_vtx_exec.c293
1 files changed, 293 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_vtx_exec.c b/src/mesa/tnl/t_vtx_exec.c
new file mode 100644
index 00000000000..900c4ab6cc1
--- /dev/null
+++ b/src/mesa/tnl/t_vtx_exec.c
@@ -0,0 +1,293 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 5.1
+ *
+ * Copyright (C) 1999-2003 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 <[email protected]>
+ */
+
+#include "glheader.h"
+#include "api_eval.h"
+#include "context.h"
+#include "enums.h"
+#include "state.h"
+#include "macros.h"
+#include "math/m_eval.h"
+#include "t_vtx_api.h"
+#include "t_pipeline.h"
+
+
+static void _tnl_print_vtx( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLuint count = tnl->vtx.initial_counter - tnl->vtx.counter;
+ GLuint i;
+
+ _mesa_debug(ctx, "_tnl_print_vtx: %u vertices %d primitives, %d vertsize\n",
+ count,
+ tnl->vtx.prim_count,
+ tnl->vtx.vertex_size);
+
+ for (i = 0 ; i < tnl->vtx.prim_count ; i++) {
+ struct tnl_prim *prim = &tnl->vtx.prim[i];
+ _mesa_debug(NULL, " prim %d: %s %d..%d %s %s\n",
+ i,
+ _mesa_lookup_enum_by_nr(prim->mode & PRIM_MODE_MASK),
+ prim->start,
+ prim->start + prim->count,
+ (prim->mode & PRIM_BEGIN) ? "BEGIN" : "(wrap)",
+ (prim->mode & PRIM_END) ? "END" : "(wrap)");
+ }
+}
+
+GLboolean *_tnl_translate_edgeflag( GLcontext *ctx, const GLfloat *data,
+ GLuint count, GLuint stride )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLboolean *ef = tnl->vtx.edgeflag_tmp;
+ GLuint i;
+
+ if (!ef)
+ ef = tnl->vtx.edgeflag_tmp = (GLboolean *) MALLOC( tnl->vb.Size );
+
+ for (i = 0 ; i < count ; i++, data += stride)
+ ef[i] = (data[0] == 1.0);
+
+ return ef;
+}
+
+
+GLboolean *_tnl_import_current_edgeflag( GLcontext *ctx,
+ GLuint count )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLboolean *ef = tnl->vtx.edgeflag_tmp;
+ GLboolean tmp = ctx->Current.EdgeFlag;
+ GLuint i;
+
+ if (!ef)
+ ef = tnl->vtx.edgeflag_tmp = (GLboolean *) MALLOC( tnl->vb.Size );
+
+ for (i = 0 ; i < count ; i++)
+ ef[i] = tmp;
+
+ return ef;
+}
+
+static INLINE GLint get_size( const GLfloat *f )
+{
+ if (f[3] != 1.0) return 4;
+ if (f[2] != 0.0) return 3;
+ return 2;
+}
+
+/* Some nasty stuff still hanging on here.
+ *
+ * TODO - remove VB->NormalPtr, etc and just use the AttrPtr's.
+ */
+static void _tnl_vb_bind_vtx( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ struct tnl_vertex_arrays *tmp = &tnl->vtx_inputs;
+ GLfloat *data = tnl->vtx.buffer;
+ GLuint count = tnl->vtx.initial_counter - tnl->vtx.counter;
+ GLuint attr, i;
+
+#undef DEBUG_VTX
+
+#ifdef DEBUG_VTX
+ fprintf(stderr, "_tnl_vb_bind_vtx(): %d verts %d vertsize\n",
+ count, tnl->vtx.vertex_size);
+#endif
+
+
+ /* Setup constant data in the VB.
+ */
+ VB->Count = count;
+ VB->Primitive = tnl->vtx.prim;
+ VB->PrimitiveCount = tnl->vtx.prim_count;
+ VB->Elts = NULL;
+ VB->NormalLengthPtr = NULL;
+
+ for (attr = 0; attr <= _TNL_ATTRIB_EDGEFLAG ; attr++) {
+ if (tnl->vtx.attrsz[attr]) {
+ tmp->Attribs[attr].count = count;
+ tmp->Attribs[attr].data = (GLfloat (*)[4]) data;
+ tmp->Attribs[attr].start = data;
+ tmp->Attribs[attr].size = tnl->vtx.attrsz[attr];
+ tmp->Attribs[attr].stride = tnl->vtx.vertex_size * sizeof(GLfloat);
+ VB->AttribPtr[attr] = &tmp->Attribs[attr];
+ data += tnl->vtx.attrsz[attr];
+ }
+ else {
+/* VB->AttribPtr[attr] = &tnl->current.Attribs[attr]; */
+
+
+ tmp->Attribs[attr].count = 1;
+ tmp->Attribs[attr].data = (GLfloat (*)[4]) tnl->vtx.current[attr];
+ tmp->Attribs[attr].start = tnl->vtx.current[attr];
+ tmp->Attribs[attr].size = get_size( tnl->vtx.current[attr] );
+ tmp->Attribs[attr].stride = 0;
+ VB->AttribPtr[attr] = &tmp->Attribs[attr];
+ }
+ }
+
+
+ /* Copy and translate EdgeFlag to a contiguous array of GLbooleans
+ */
+ if (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) {
+ if (tnl->vtx.attrsz[_TNL_ATTRIB_EDGEFLAG]) {
+ VB->EdgeFlag = _tnl_translate_edgeflag( ctx, data, count,
+ tnl->vtx.vertex_size );
+ data++;
+ }
+ else
+ VB->EdgeFlag = _tnl_import_current_edgeflag( ctx, count );
+ }
+
+ /* Legacy pointers -- remove one day.
+ */
+ VB->ObjPtr = VB->AttribPtr[_TNL_ATTRIB_POS];
+ VB->NormalPtr = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
+ VB->ColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR0];
+ VB->ColorPtr[1] = NULL;
+ VB->SecondaryColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR1];
+ VB->SecondaryColorPtr[1] = NULL;
+ VB->IndexPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX];
+ VB->IndexPtr[1] = NULL;
+ VB->FogCoordPtr = VB->AttribPtr[_TNL_ATTRIB_FOG];
+
+ for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+ VB->TexCoordPtr[i] = VB->AttribPtr[_TNL_ATTRIB_TEX0 + i];
+ }
+}
+
+
+/*
+ * NOTE: Need to have calculated primitives by this point -- do it on the fly.
+ * NOTE: Old 'parity' issue is gone.
+ */
+static GLuint _tnl_copy_vertices( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT( ctx );
+ GLuint nr = tnl->vtx.prim[tnl->vtx.prim_count-1].count;
+ GLuint ovf, i;
+ GLuint sz = tnl->vtx.vertex_size;
+ GLfloat *dst = tnl->vtx.copied.buffer;
+ GLfloat *src = (tnl->vtx.buffer +
+ tnl->vtx.prim[tnl->vtx.prim_count-1].start *
+ tnl->vtx.vertex_size);
+
+
+ switch( ctx->Driver.CurrentExecPrimitive )
+ {
+ case GL_POINTS:
+ return 0;
+ case GL_LINES:
+ ovf = nr&1;
+ for (i = 0 ; i < ovf ; i++)
+ _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
+ return i;
+ case GL_TRIANGLES:
+ ovf = nr%3;
+ for (i = 0 ; i < ovf ; i++)
+ _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
+ return i;
+ case GL_QUADS:
+ ovf = nr&3;
+ for (i = 0 ; i < ovf ; i++)
+ _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
+ return i;
+ case GL_LINE_STRIP:
+ if (nr == 0)
+ return 0;
+ else {
+ _mesa_memcpy( dst, src+(nr-1)*sz, sz * sizeof(GLfloat) );
+ return 1;
+ }
+ case GL_LINE_LOOP:
+ case GL_TRIANGLE_FAN:
+ case GL_POLYGON:
+ if (nr == 0)
+ return 0;
+ else if (nr == 1) {
+ _mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) );
+ return 1;
+ } else {
+ _mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) );
+ _mesa_memcpy( dst+sz, src+(nr-1)*sz, sz * sizeof(GLfloat) );
+ return 2;
+ }
+ case GL_TRIANGLE_STRIP:
+ /* no parity issue, but need to make sure the tri is not drawn twice */
+ if (nr & 1) {
+ tnl->vtx.prim[tnl->vtx.prim_count-1].count--;
+ }
+ /* fallthrough */
+ case GL_QUAD_STRIP:
+ switch (nr) {
+ case 0: ovf = 0; break;
+ case 1: ovf = 1; break;
+ default: ovf = 2 + (nr&1); break;
+ }
+ for (i = 0 ; i < ovf ; i++)
+ _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
+ return i;
+ case PRIM_OUTSIDE_BEGIN_END:
+ return 0;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+/**
+ * Execute the buffer and save copied verts.
+ */
+void _tnl_flush_vtx( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLuint vertex_count = tnl->vtx.initial_counter - tnl->vtx.counter;
+
+ if (0)
+ _tnl_print_vtx( ctx );
+
+ if (tnl->vtx.prim_count && vertex_count) {
+
+ tnl->vtx.copied.nr = _tnl_copy_vertices( ctx );
+
+ if (tnl->vtx.copied.nr != vertex_count) {
+ if (ctx->NewState)
+ _mesa_update_state( ctx );
+
+ _tnl_vb_bind_vtx( ctx );
+
+ tnl->Driver.RunPipeline( ctx );
+ }
+ }
+
+ tnl->vtx.prim_count = 0;
+ tnl->vtx.counter = tnl->vtx.initial_counter;
+ tnl->vtx.vbptr = tnl->vtx.buffer;
+}
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