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authorKeith Whitwell <[email protected]>2001-06-04 16:09:28 +0000
committerKeith Whitwell <[email protected]>2001-06-04 16:09:28 +0000
commit51b36396ae45f9ee9cec8d612787d038641dc6c8 (patch)
treef172ccf9a8536dfa168eb5c74b0f6f4ab9c946f5 /src/mesa/tnl/t_imm_fixup.c
parentabd5134965665ad9f7154a08b13edfed15f00135 (diff)
Adaptor code that lets tnl convert compiled (display list) cassettes back
to glVertex() type calls. Allows driver-supplied tnl modules to avoid fallback on glCallList inside begin/end pairs. Still a little buggy...
Diffstat (limited to 'src/mesa/tnl/t_imm_fixup.c')
-rw-r--r--src/mesa/tnl/t_imm_fixup.c89
1 files changed, 1 insertions, 88 deletions
diff --git a/src/mesa/tnl/t_imm_fixup.c b/src/mesa/tnl/t_imm_fixup.c
index 126aba10068..fdfeff566a1 100644
--- a/src/mesa/tnl/t_imm_fixup.c
+++ b/src/mesa/tnl/t_imm_fixup.c
@@ -1,4 +1,4 @@
-/* $Id: t_imm_fixup.c,v 1.19 2001/05/16 09:28:32 keithw Exp $ */
+/* $Id: t_imm_fixup.c,v 1.20 2001/06/04 16:09:28 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -592,93 +592,6 @@ void _tnl_fixup_compiled_cassette( GLcontext *ctx, struct immediate *IM )
} while (vulnerable);
}
-
- /* Can potentially overwrite primitive details - need to save the
- * first slot:
- */
- tnl->DlistPrimitive = IM->Primitive[IM->Start];
- tnl->DlistPrimitiveLength = IM->PrimitiveLength[IM->Start];
- tnl->DlistLastPrimitive = IM->LastPrimitive;
-
- /* The first primitive may be different from what was recorded in
- * the immediate struct. Consider an immediate that starts with a
- * glBegin, compiled in a display list, which is called from within
- * an existing Begin/End object.
- */
- if (ctx->Driver.CurrentExecPrimitive == GL_POLYGON+1) {
- GLuint i;
-
- if (IM->BeginState & VERT_ERROR_1)
- _mesa_error( ctx, GL_INVALID_OPERATION, "glBegin/glEnd");
-
- for (i = IM->Start ; i <= IM->Count ; i += IM->PrimitiveLength[i])
- if (IM->Flag[i] & (VERT_BEGIN|VERT_END_VB))
- break;
-
- /* Would like to just ignore vertices upto this point. Can't
- * set copystart because it might skip materials?
- */
- ASSERT(IM->Start == IM->CopyStart);
- if (i > IM->CopyStart) {
- IM->Primitive[IM->CopyStart] = GL_POLYGON+1;
- IM->PrimitiveLength[IM->CopyStart] = i - IM->CopyStart;
- if (IM->Flag[i] & VERT_END_VB) {
- IM->Primitive[IM->CopyStart] |= PRIM_LAST;
- IM->LastPrimitive = IM->CopyStart;
- }
- }
- } else {
- GLuint i;
-
- if (IM->BeginState & VERT_ERROR_0)
- _mesa_error( ctx, GL_INVALID_OPERATION, "glBegin/glEnd");
-
- if (IM->CopyStart == IM->Start &&
- IM->Flag[IM->Start] & (VERT_END|VERT_END_VB))
- {
- }
- else
- {
- IM->Primitive[IM->CopyStart] = ctx->Driver.CurrentExecPrimitive;
- if (tnl->ExecParity)
- IM->Primitive[IM->CopyStart] |= PRIM_PARITY;
-
- /* one of these should be true, else we'll be in an infinite loop
- */
- ASSERT(IM->PrimitiveLength[IM->Start] > 0 ||
- IM->Flag[IM->Start] & (VERT_END|VERT_END_VB));
-
- for (i = IM->Start ; i <= IM->Count ; i += IM->PrimitiveLength[i])
- if (IM->Flag[i] & (VERT_END|VERT_END_VB)) {
- IM->PrimitiveLength[IM->CopyStart] = i - IM->CopyStart;
- if (IM->Flag[i] & VERT_END_VB) {
- IM->Primitive[IM->CopyStart] |= PRIM_LAST;
- IM->LastPrimitive = IM->CopyStart;
- }
- if (IM->Flag[i] & VERT_END) {
- IM->Primitive[IM->CopyStart] |= PRIM_END;
- }
- break;
- }
- }
- }
-
- if (IM->Primitive[IM->LastPrimitive] & PRIM_END)
- ctx->Driver.CurrentExecPrimitive = GL_POLYGON+1;
- else
- ctx->Driver.CurrentExecPrimitive =
- IM->Primitive[IM->LastPrimitive] & PRIM_MODE_MASK;
-}
-
-
-/* Undo any changes potentially made to the immediate in the range
- * IM->Start..IM->Count above.
- */
-void _tnl_restore_compiled_cassette( GLcontext *ctx, struct immediate *IM )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- IM->Primitive[IM->Start] = tnl->DlistPrimitive;
- IM->PrimitiveLength[IM->Start] = tnl->DlistPrimitiveLength;
}