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d3d10: Add null objects for technique, pass, local_buffer and variable.

This commit is contained in:
Rico Schüller 2009-08-29 20:35:37 +02:00 committed by Alexandre Julliard
parent d0c68ef034
commit 78741d2717
1 changed files with 21 additions and 7 deletions
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28
dlls/d3d10/effect.c
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@ -36,6 +36,12 @@ static const struct ID3D10EffectPassVtbl d3d10_effect_pass_vtbl;
static const struct ID3D10EffectVariableVtbl d3d10_effect_variable_vtbl;
static const struct ID3D10EffectConstantBufferVtbl d3d10_effect_constant_buffer_vtbl;
/* null objects - needed for invalid calls */
static struct d3d10_effect_technique null_technique = {&d3d10_effect_technique_vtbl, NULL, NULL, 0, 0, NULL};
static struct d3d10_effect_pass null_pass = {&d3d10_effect_pass_vtbl, NULL, NULL, 0, 0, 0, NULL};
static struct d3d10_effect_local_buffer null_local_buffer = {&d3d10_effect_constant_buffer_vtbl, NULL, 0, 0, 0, NULL};
static struct d3d10_effect_variable null_variable = {&d3d10_effect_variable_vtbl, NULL, 0, 0};
static inline void read_dword(const char **ptr, DWORD *d)
{
memcpy(d, *ptr, sizeof(*d));
@ -843,7 +849,7 @@ static struct ID3D10EffectConstantBuffer * STDMETHODCALLTYPE d3d10_effect_GetCon
if (index >= This->local_buffer_count)
{
WARN("Invalid index specified\n");
return NULL;
return (ID3D10EffectConstantBuffer *)&null_local_buffer;
}
l = &This->local_buffers[index];
@ -872,7 +878,9 @@ static struct ID3D10EffectConstantBuffer * STDMETHODCALLTYPE d3d10_effect_GetCon
}
}
return NULL;
WARN("Invalid name specified\n");
return (ID3D10EffectConstantBuffer *)&null_local_buffer;
}
static struct ID3D10EffectVariable * STDMETHODCALLTYPE d3d10_effect_GetVariableByIndex(ID3D10Effect *iface, UINT index)
@ -906,7 +914,9 @@ static struct ID3D10EffectVariable * STDMETHODCALLTYPE d3d10_effect_GetVariableB
}
}
return NULL;
WARN("Invalid name specified\n");
return (ID3D10EffectVariable *)&null_variable;
}
static struct ID3D10EffectVariable * STDMETHODCALLTYPE d3d10_effect_GetVariableBySemantic(ID3D10Effect *iface,
@ -928,7 +938,7 @@ static struct ID3D10EffectTechnique * STDMETHODCALLTYPE d3d10_effect_GetTechniqu
if (index >= This->technique_count)
{
WARN("Invalid index specified\n");
return NULL;
return (ID3D10EffectTechnique *)&null_technique;
}
t = &This->techniques[index];
@ -956,7 +966,9 @@ static struct ID3D10EffectTechnique * STDMETHODCALLTYPE d3d10_effect_GetTechniqu
}
}
return NULL;
WARN("Invalid name specified\n");
return (ID3D10EffectTechnique *)&null_technique;
}
static HRESULT STDMETHODCALLTYPE d3d10_effect_Optimize(ID3D10Effect *iface)
@ -1046,7 +1058,7 @@ static struct ID3D10EffectPass * STDMETHODCALLTYPE d3d10_effect_technique_GetPas
if (index >= This->pass_count)
{
WARN("Invalid index specified\n");
return NULL;
return (ID3D10EffectPass *)&null_pass;
}
p = &This->passes[index];
@ -1074,7 +1086,9 @@ static struct ID3D10EffectPass * STDMETHODCALLTYPE d3d10_effect_technique_GetPas
}
}
return NULL;
WARN("Invalid name specified\n");
return (ID3D10EffectPass *)&null_pass;
}
static HRESULT STDMETHODCALLTYPE d3d10_effect_technique_ComputeStateBlockMask(ID3D10EffectTechnique *iface,