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mesa: fix generation of fixed function state when no vp exists

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This commit is contained in:
Alan Hourihane
2008-11-13 13:16:03 +00:00
parent c30eb2c104
commit e4c9aeed8b
1 changed files with 43 additions and 45 deletions
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88
src/mesa/main/state.c
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@@ -206,56 +206,54 @@ update_program(GLcontext *ctx)
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
if (shProg && shProg->LinkStatus) { if (shProg && shProg->LinkStatus && shProg->FragmentProgram) {
/* Use shader programs */ /* Use shader programs */
/* XXX this isn't quite right, since we may have either a vertex
* _or_ fragment shader (not always both).
*/
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
shProg->VertexProgram);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
shProg->FragmentProgram); shProg->FragmentProgram);
} }
else { else if (ctx->FragmentProgram._Enabled) {
if (ctx->FragmentProgram._Enabled) { /* use user-defined vertex program */
/* use user-defined vertex program */ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, ctx->FragmentProgram.Current);
ctx->FragmentProgram.Current); }
} else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
else if (ctx->FragmentProgram._MaintainTexEnvProgram) { /* Use fragment program generated from fixed-function state.
/* Use fragment program generated from fixed-function state.
*/
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
_mesa_get_fixed_func_fragment_program(ctx));
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
ctx->FragmentProgram._Current);
}
else {
/* no fragment program */
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
}
/* Examine vertex program after fragment program as
* _mesa_get_fixed_func_vertex_program() needs to know active
* fragprog inputs.
*/ */
if (ctx->VertexProgram._Enabled) { _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
/* use user-defined vertex program */ _mesa_get_fixed_func_fragment_program(ctx));
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
ctx->VertexProgram.Current); ctx->FragmentProgram._Current);
} }
else if (ctx->VertexProgram._MaintainTnlProgram) { else {
/* Use vertex program generated from fixed-function state. /* no fragment program */
*/ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, }
_mesa_get_fixed_func_vertex_program(ctx));
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, /* Examine vertex program after fragment program as
ctx->VertexProgram._Current); * _mesa_get_fixed_func_vertex_program() needs to know active
} * fragprog inputs.
else { */
/* no vertex program */ if (shProg && shProg->LinkStatus && shProg->VertexProgram) {
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); /* Use shader programs */
} _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
shProg->VertexProgram);
}
else if (ctx->VertexProgram._Enabled) {
/* use user-defined vertex program */
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
ctx->VertexProgram.Current);
}
else if (ctx->VertexProgram._MaintainTnlProgram) {
/* Use vertex program generated from fixed-function state.
*/
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
_mesa_get_fixed_func_vertex_program(ctx));
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram,
ctx->VertexProgram._Current);
}
else {
/* no vertex program */
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
} }
/* XXX: get rid of _Active flag. /* XXX: get rid of _Active flag.