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d3d10: Add null objects for technique, pass, local_buffer and variable.
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d0c68ef034
commit
78741d2717
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@ -36,6 +36,12 @@ static const struct ID3D10EffectPassVtbl d3d10_effect_pass_vtbl;
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static const struct ID3D10EffectVariableVtbl d3d10_effect_variable_vtbl;
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static const struct ID3D10EffectConstantBufferVtbl d3d10_effect_constant_buffer_vtbl;
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/* null objects - needed for invalid calls */
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static struct d3d10_effect_technique null_technique = {&d3d10_effect_technique_vtbl, NULL, NULL, 0, 0, NULL};
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static struct d3d10_effect_pass null_pass = {&d3d10_effect_pass_vtbl, NULL, NULL, 0, 0, 0, NULL};
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static struct d3d10_effect_local_buffer null_local_buffer = {&d3d10_effect_constant_buffer_vtbl, NULL, 0, 0, 0, NULL};
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static struct d3d10_effect_variable null_variable = {&d3d10_effect_variable_vtbl, NULL, 0, 0};
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static inline void read_dword(const char **ptr, DWORD *d)
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{
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memcpy(d, *ptr, sizeof(*d));
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@ -843,7 +849,7 @@ static struct ID3D10EffectConstantBuffer * STDMETHODCALLTYPE d3d10_effect_GetCon
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if (index >= This->local_buffer_count)
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{
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WARN("Invalid index specified\n");
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return NULL;
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return (ID3D10EffectConstantBuffer *)&null_local_buffer;
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}
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l = &This->local_buffers[index];
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@ -872,7 +878,9 @@ static struct ID3D10EffectConstantBuffer * STDMETHODCALLTYPE d3d10_effect_GetCon
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}
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}
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return NULL;
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WARN("Invalid name specified\n");
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return (ID3D10EffectConstantBuffer *)&null_local_buffer;
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}
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static struct ID3D10EffectVariable * STDMETHODCALLTYPE d3d10_effect_GetVariableByIndex(ID3D10Effect *iface, UINT index)
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@ -906,7 +914,9 @@ static struct ID3D10EffectVariable * STDMETHODCALLTYPE d3d10_effect_GetVariableB
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}
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}
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return NULL;
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WARN("Invalid name specified\n");
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return (ID3D10EffectVariable *)&null_variable;
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}
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static struct ID3D10EffectVariable * STDMETHODCALLTYPE d3d10_effect_GetVariableBySemantic(ID3D10Effect *iface,
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@ -928,7 +938,7 @@ static struct ID3D10EffectTechnique * STDMETHODCALLTYPE d3d10_effect_GetTechniqu
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if (index >= This->technique_count)
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{
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WARN("Invalid index specified\n");
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return NULL;
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return (ID3D10EffectTechnique *)&null_technique;
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}
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t = &This->techniques[index];
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@ -956,7 +966,9 @@ static struct ID3D10EffectTechnique * STDMETHODCALLTYPE d3d10_effect_GetTechniqu
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}
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}
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return NULL;
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WARN("Invalid name specified\n");
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return (ID3D10EffectTechnique *)&null_technique;
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}
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static HRESULT STDMETHODCALLTYPE d3d10_effect_Optimize(ID3D10Effect *iface)
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@ -1046,7 +1058,7 @@ static struct ID3D10EffectPass * STDMETHODCALLTYPE d3d10_effect_technique_GetPas
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if (index >= This->pass_count)
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{
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WARN("Invalid index specified\n");
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return NULL;
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return (ID3D10EffectPass *)&null_pass;
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}
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p = &This->passes[index];
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@ -1074,7 +1086,9 @@ static struct ID3D10EffectPass * STDMETHODCALLTYPE d3d10_effect_technique_GetPas
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}
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}
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return NULL;
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WARN("Invalid name specified\n");
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return (ID3D10EffectPass *)&null_pass;
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}
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static HRESULT STDMETHODCALLTYPE d3d10_effect_technique_ComputeStateBlockMask(ID3D10EffectTechnique *iface,
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